Machine Operator Job Description — 2025 Guide & Templates

If you’re writing or updating a machine operator job description, use this guide for duty examples and customizable templates. Review your posting against the actual essential functions, employer circumstances, and applicable jurisdiction; template wording alone does not establish compliance.

We reference U.S. safety and accommodation guidance. The pay example uses the BLS May 2025 annual median for metal and plastic machine workers, not a generic operator or local posting range.

Jump to: Core duties · Main job-description template · Five mini-templates · Pay context · Hiring toolkit · Sources.

What does a Machine Operator do?

A Machine Operator sets up, runs, and monitors production machinery to meet safety, quality, and output targets. They load materials, verify measurements, perform routine inspections, and document results while following standard operating procedures (SOPs) and safety rules.

In machine operator job descriptions and duties, employers typically highlight production, quality checks, basic maintenance, and compliance (e.g., OSHA/LOTO, PPE). Use the overview below to align your posting to standards and give candidates a clear, accurate picture of the role.

Core Duties and Responsibilities

Your goal is to define day-to-day work in plain language tied to safety and quality standards (OSHA 1910, ISO 9001/13485, GMP/HACCP where applicable). Clear duties help candidates self-qualify.

They also give supervisors measurable expectations they can coach against and assess consistently.

Use the sub-sections below to tailor to your machines and industry. Then mirror the phrasing in your job posting.

Keep each bullet action-driven and outcome-focused. This supports accountability and clean handoffs across shifts.

Production & Operation

A strong manufacturing machine operator job description starts with how the operator runs equipment safely and efficiently. Define the machines, materials, and the outputs expected per shift to anchor performance.

Add examples like cycle counts and line speed to make the role concrete. Then link operation tasks to the quality and documentation sections so the workflow is clear.

Start up, operate, and monitor assigned machines to meet daily production targets
Load/unload raw materials and components; verify part counts and correct lot numbers
Track cycle counts, throughput, and uptime; respond to alarms/alerts
Adjust basic parameters within defined limits (speed, feed, temperature, tension)
Perform visual checks for defects; pull samples at defined intervals
Coordinate with leads/maintenance to minimize changeover and downtime delays
Keep work area clean and organized to 5S standards

Setup & Changeover

Setup clarity reduces scrap and delays. Call out tools, fixtures, offsets, and first-article approval so operators know exactly what “good” looks like.

Note who approves the first piece and where the SOP/work instruction lives to eliminate guesswork. The more specific your setup expectations, the faster you can achieve repeatable quality and shorter changeovers.

Read work orders, prints, and setup sheets; stage tools, fixtures, and materials
Perform changeovers per SOP; select and install tooling/fixtures safely
Enter or adjust offsets and parameters per approved setup sheet
Run and submit first-article piece for QA/lead approval before full run
Document setup data and deviations; return tools to proper storage
Reduce changeover time by prepping kits and following SMED/lean practices

Quality Control

Quality expectations belong in every machine operator responsibilities section. Tie checks to measurement tools and tolerances, and define containment steps for nonconforming parts.

Specify when to record data, how to label product, and when to stop and escalate. This makes quality visible and supports ISO/regulated audits.

Inspect parts using calipers, micrometers, height gauges, pin gauges, go/no-go gauges
Read basic drawings; verify dimensions, tolerances, and surface/cosmetic standards
Record results in check sheets or HMI; maintain lot traceability
Isolate and tag nonconforming product; notify lead/QA immediately
Support first-pass yield (FPY) targets; stop and escalate recurring defects
Follow control plans, SPC checks, and sample frequencies as assigned

Maintenance & Troubleshooting

Define the boundary between operator care and technician-level repairs. Specify assigned tasks, task-specific training, authorization, PM checklists, and escalation paths.

Fault resets, jam-related work, and maintenance must stay within that scope and site procedures. Awareness alone does not authorize hazardous-energy-control work; use OSHA’s LOTO guidance to distinguish training for authorized work from area awareness.

Perform assigned daily/weekly operator care—cleaning, lubrication, fluid checks, filter changes—only within training, authorization, and site procedures
Identify unusual noises, vibration, temperature, or wear; correct within scope or escalate
Replace consumables (blades, inserts, nozzles) as authorized
Reset faults or address jams only within task-specific training, authorization, and site procedures; otherwise escalate to maintenance; document observations
Submit maintenance tickets/work orders; support planned PMs and startups

Safety & Compliance

Make safety responsibilities explicit. Specify PPE by task or area and distinguish LOTO awareness from authorized energy-control and servicing duties. An operator may be assigned authorized work, but only with the required task-specific training and site procedures.

Reinforce machine guarding, chemical handling per SDS, and housekeeping expectations. Tie these requirements to your incident reporting and audit process.

Follow OSHA 29 CFR 1910 and site safety rules; wear required PPE (safety glasses, gloves, hearing, steel-toe footwear, etc.)
Use machine guards and interlocks; never bypass safety devices
Follow assigned LOTO responsibilities: awareness does not authorize energy-control or servicing work; never restart locked/tagged equipment; escalate work outside your training and authorization
Handle chemicals per SDS; maintain housekeeping and clear aisles/exits
For food/GMP environments: follow hygiene, allergen control, and sanitation procedures (HACCP/FSMA)
Report near-misses/incidents immediately; participate in safety talks and audits

Documentation & Reporting

Good documentation supports ISO 9001/13485 and regulatory compliance. State the systems used (HMI, MES, ERP) and the records expected per shift so operators know what “complete” looks like.

Define when entries occur (real time vs end of shift) to protect traceability. Accurate records protect the business during audits and enable data-driven improvement.

Read and follow work instructions/SOPs and control plans
Complete production logs, downtime codes, scrap tags, and shift reports
Enter HMI/MES data accurately (counts, rejects, changeovers, lot numbers)
Maintain device history records/travelers where applicable
Support audits with complete, legible, real-time paperwork

Material Handling & Inventory

Specify the material-handling equipment and any preferred prior experience or credentials. For U.S. powered-industrial-truck duties, the employer must ensure required training and evaluation for the assigned truck and workplace; a prior certificate alone is not permission to operate. See OSHA 1910.178. Link material accuracy to quality and traceability.

Reinforce ERP/MES scans and FIFO/FEFO practices to prevent mix-ups. Clear expectations reduce lineouts and rework.

Stage materials and components; verify part numbers and quantities
Scan/record inventory movements; perform basic ERP/MES transactions
Practice FIFO/FEFO; maintain lot/batch integrity
Move pallets/totes with manual pallet jacks per site training; for U.S. forklift or powered pallet-jack duties, complete employer-required truck/workplace training and evaluation before assigned operation
Minimize line shortages by communicating low stock proactively

Teamwork & Communication

This section shows how work connects across shifts and functions. It also supports continuous improvement by encouraging operators to surface issues and ideas quickly.

Define handoff expectations and who to collaborate with on quality or downtime. Strong communication reduces variability and speeds problem-solving.

Participate in shift handoffs; communicate machine status, quality issues, and priorities
Collaborate with QA, maintenance, and supervisors to resolve issues
Share improvement ideas; support kaizen/5S activities
Cross-train on additional machines as business needs require
Mentor new hires on safety, quality, and SOP adherence

Work Environment, Shifts, and Physical Demands

Specify the vacancy’s actual schedule, conditions, and physical work. State shift hours, rotation, shift length, weekend coverage, and overtime expectations rather than assuming a standard arrangement.

Describe actual essential functions in neutral language and review applicable accommodation obligations. The sample below is drafting wording, not proof of ADA compliance. Note temperature, noise, PPE, and any union environment or bid process.

Clear details reduce renegotiation after offer and support fair, consistent hiring.

Possible shifts: 1st (days), 2nd (afternoons/evenings), 3rd (overnights), weekend, or rotating arrangements; select those offered for this vacancy
Overtime may be required during peak demand or for coverage
Work near moving machinery with moderate to high noise; PPE provided/required
Illustrative physical-demand wording—adapt to actual essential functions: “Regularly required to stand; walk; reach; handle parts up to X lbs. with or without reasonable accommodation”
Ability to lift/push/pull X lbs. frequently and Y lbs. occasionally; use of hoists/carts encouraged

Skills and Qualifications

State what’s required versus preferred to widen your candidate pool and improve diversity. Tie technical skills to your machines, measurement needs, and software tools so applicants can self-assess quickly.

Add culture and soft skills that align with safety and quality to reinforce expectations. Be precise, and avoid unnecessary barriers.

Technical Skills

Read basic blueprints and work instructions
Use measurement tools: calipers, micrometers, tape measures, scales, height gauges
Basic math: decimals, fractions, conversions; understanding of tolerances
HMI basics; enter offsets/parameters within defined limits (CNC where applicable)
Understand SOPs, control plans, and sample frequency
Troubleshoot feeds/speeds, jams, and sensor faults only within assigned tasks, training, authorization, and site procedures; escalate outside that scope
Familiar with 5S, lean/kaizen concepts

Soft Skills

Attention to detail and quality mindset
Clear communication and shift handoff notes
Reliability, time management, and meeting takt/output targets
Teamwork and willingness to cross-train
Problem-solving under time pressure while maintaining safety
Accountability for documentation and following procedures

Certifications

OSHA 10 (General Industry) preferred; OSHA 30 for leads/supervisors
Prior forklift experience or credentials may be preferred if relevant; for assigned U.S. powered-truck operation, the employer must ensure required truck/workplace training and evaluation and certify completion
NIMS (National Institute for Metalworking Skills) Level 1 for CNC/measurement-focused roles
GMP/HACCP or food safety training for food manufacturing
First aid/CPR, LOTO awareness training where applicable

Education, Training, and Entry Paths

For the U.S. metal-and-plastic occupation, BLS reports that workers typically need a high school diploma and receive 1 year of on-the-job training. This is not a requirement or training deadline for every machine operator. Specify what your vacancy actually needs; consider relevant coursework, apprenticeships, or credentials without assuming a pay advantage.

Describe your training approach—such as shadowing and a skills matrix—and expected review points. Independent operation should depend on demonstrated competence and applicable authorization, not elapsed time alone. Separate required from preferred qualifications.

US vs UK Notes

For U.S. postings, describe any entry-level training you provide and separate required qualifications from optional credentials such as NIMS and OSHA 10. Prior forklift experience or credentials do not replace the employer’s required powered-truck training and evaluation for the assigned truck and workplace.

For UK postings, check which apprenticeships or NVQ/SVQ qualifications are relevant and whether “Process Operator” or “Production Operative” matches the role. For either country, verify local qualification terminology, shift premiums, and applicable hiring checks. Do not carry U.S. E-Verify or background/drug-screen wording into a UK posting without checking its applicability; confirm right-to-work requirements locally.

Experience Levels and Career Progression

Use these employer-adaptable scope examples to distinguish levels. Entry roles can emphasize safe running and basic inspection; senior/lead roles can add setups, complex changeovers, and mentoring where assigned. Define the training and authority required for each task.

Describe possible development routes, the skills needed, and how progression is assessed. These examples are not automatic promotion paths or promises of higher pay.

Entry-level: Run machines, visual checks, basic measurements, simple adjustments, escalate issues
Intermediate: Perform setups/changeovers, adjust offsets, contain defects, complete documentation independently
Senior/Lead: Approve first articles only if assigned approval authority; train others, troubleshoot within authorized scope, improve changeovers, and own assigned cell/line KPIs
Example progression: Machine Operator → Senior/Lead Operator → Machinist (deeper CNC/precision) or Maintenance Technician (electro-mechanical) → Supervisor/Cell Lead; each move depends on role requirements and demonstrated skills

Equipment and Industry Variations (Tailor Your JD)

Machine operator duties and responsibilities vary by machine type and sector. Use the variants below to tailor your posting and capture the right talent while referencing sector standards (ISO 13485 for medical devices, HACCP/GMP for food).

Aligning language to your equipment improves candidate match rates and speeds hiring.

CNC Machine Operator

Load and secure workpieces; select tools and verify tool length/wear
Enter/adjust tool/work offsets; basic G/M-code familiarity for edits within limits
Run first-article and submit for QA approval; hold tolerances per print
Monitor tool wear, coolant levels, and surface finish; change inserts as authorized
Use micrometers, bore gauges, height gauges, CMM support as required

Injection Molding Operator

Load and dry resin; verify material handling, colorant, and lot traceability
Support mold changeovers; ensure proper ejection and part handling
Monitor temperatures, pressures, cycle time; trim gates/runners safely
Perform cosmetic checks (sink, splay, flash, short shots); contain defects
Follow 5S and housekeeping; support purging and shutdown SOPs

Press Brake/Metal Fabrication Operator

Read bend diagrams; select dies/punches; account for bend allowance/springback
Set backgauge; perform trial bends and verify angles/dimensions
Handle sharp edges safely; deburr as needed
Inspect edge quality and flatness; protect surface finishes
Perform setup and tooling care only within task-specific training, authorization, and site procedures, including required LOTO; retain guards and escalate work outside that scope

Packaging/Printing Line Operator

Set registration, line speed, and tension; verify date codes/labels
Conduct packaging QA: seal integrity, weights, counts, and lot codes
Perform rapid changeovers between SKUs; minimize waste during startup
Follow GMP sanitation; document clean-in-place/changeover cleaning
Track downtime reasons; maintain steady flow to downstream processes

KPIs and Performance Metrics

Listing KPIs clarifies expectations and supports fair evaluations. Choose metrics that align with your machines and quality system.

Include realistic ranges or targets for your environment. Even at entry level, operators should understand how their actions affect output, scrap, and downtime.

Use the common metrics below in your machine operator job description to connect daily work to results.

Common Metrics

OEE (Overall Equipment Effectiveness): availability × performance × quality; use an employer-defined target for the selected process
Cycle time and throughput: actual vs standard; watch for creeping increases
First-Pass Yield (FPY): track the percentage passing without rework; define a target for the product and process stage rather than assuming a general benchmark
Scrap/reject rate: define acceptable ppm or percentage by product; contain and analyze
Changeover time: trend toward SMED/lean goals; reduce variability between shifts
Unplanned downtime: minutes per shift; escalate recurring stoppages promptly
Safety: near-miss reporting, PPE compliance, zero recordables goal

Note: Targets vary by process, industry, and assigned role. Precision CNC may prioritize FPY/scrap; high-speed packaging may prioritize uptime and changeover time. These are performance measures, not machine operating settings or safety instructions.

Salary and Pay Factors

Choose a base-pay range for the actual equipment, responsibilities, location, and experience level. Compare appropriately scoped public data with local vacancies and applicable union contracts.

State the range’s currency and hourly or annual units. List employer-defined shift or weekend premiums separately, and explain the job-related factors used in offers.

US/UK Examples and Sources

United States: The BLS Occupational Outlook Handbook reports a median annual wage of $47,700 for U.S. metal and plastic machine workers in May 2025. This occupation aggregate is not a generic machine-operator, CNC-specific, local, or posted hourly pay range.
United Kingdom: Before choosing a posting range, identify an appropriate occupation and region in ONS ASHE or another suitable source, and record the statistical period and hourly or annual units. No verified UK hourly band is supplied here.
Premiums and overtime: State employer-defined shift or weekend premiums separately from base pay. Under the U.S. federal FLSA, covered nonexempt employees must receive at least one and one-half times their regular rate for hours worked over 40 in a workweek. Weekend work alone does not trigger a federal overtime premium; check other applicable requirements.
Offer factors: Document the assigned duties, machine complexity, verified relevant experience, location, and applicable contractual terms; do not assume a sector or credential automatically commands a premium.

In your compensation analysis, record the exact source, occupation, geography, period, and units. Distinguish statistical wages from current vacancy ranges and your employer’s pay policy.

Machine Operator Job Description Template (Copy & Customize)

Replace bracketed fields and select duties and qualifications for the actual machine and experience level. Keep only relevant setup, CNC, and measurement examples; specify required tools and task authority. Add machine-specific bullets from the variants above and separate required from preferred qualifications.

Role/equipment: [Job title, level, and machine/equipment]
Location: [Site and location]
Reports to: [Supervisor or lead]
Employment arrangement: [Full-time/part-time, permanent/fixed-term, or other arrangement]
Shift: [Hours, rotation, and any weekend/overtime expectations]
Base pay: [Range, currency, and hourly/annual units]
Separate premiums, if applicable: [Shift/weekend premium and eligibility]

Responsibilities

Operate [machine/equipment] safely to meet daily production goals
Perform assigned setups/changeovers only within training, authorization, and site SOPs; obtain approval from [QA/authorized lead] before full run
Monitor cycle counts, line speed, and product quality; adjust basic parameters as authorized
Inspect parts using [required measurement tools, e.g., calipers/micrometers] and applicable visual standards; record results
Identify and contain nonconforming product; escalate per control plan
Complete production logs, downtime codes, and HMI/MES data entries accurately
Perform assigned operator care (cleaning, lubrication, basic PMs) only within training, authorization, and site procedures; escalate faults, jams, and maintenance outside that scope
Follow applicable site safety rules, PPE, and assigned LOTO responsibilities; awareness alone does not authorize energy-control or servicing work
Handle materials, kitting, and lot traceability; practice FIFO
Maintain 5S/housekeeping and support continuous improvement activities
Communicate status at shift handoff; collaborate with QA and maintenance
Cross-train on additional machines as business needs require

Requirements

Required—select for this vacancy

Education: [required qualification, if any; e.g., high school diploma or equivalent]
Ability to read work instructions and basic blueprints
Measurement proficiency with [required tools, e.g., calipers/micrometers]; basic math (fractions/decimals)
HMI/CNC basics; ability to enter offsets/parameters within defined limits (if applicable)
Strong attention to detail, reliability, and safety mindset
Physical demands: regularly stand, walk, and handle parts up to [X] lbs., with or without reasonable accommodation
Willing to work [1st/2nd/3rd] shift, overtime, and weekends as needed
Ability to follow SOPs and maintain accurate documentation
If assigned U.S. powered-truck duties: complete employer-required truck/workplace training and evaluation before assigned operation

Preferred—retain only relevant items

Technical coursework a plus
Certifications preferred: OSHA 10; NIMS Level 1 for CNC roles
Prior forklift experience or credentials, if relevant; these do not replace the employer’s required training and evaluation

5 Mini-Templates by Machine/Industry

Use these quick-start variants to focus your posting on the right experience and standards. Pair them with the core responsibilities above.

Food Manufacturing (GMP/HACCP)

Follow GMP hygiene, allergen control, and sanitation procedures; document per HACCP plan
Verify weights, labels, lot codes, and seal integrity at defined intervals
Execute clean-in-place and changeover sanitation; complete pre-op checks
Handle ingredients per FIFO; maintain temperature/time controls where applicable
Escalate foreign material or food safety risks immediately

CNC Shop

Load parts, set tools, and adjust tool/work offsets; basic G/M-code familiarity
Use micrometers, height gauges, and pin/bore gauges; hold print tolerances
Monitor tool wear, coolant, and chip load; change inserts per SOP
Submit first-article for QA; document deviations and corrective actions
Support 5S, tooling organization, and setup reduction

Fabrication/Press Brake

Select dies/punches; set backgauge and perform trial bends
Verify angles and dimensions; account for bend allowance/springback
Deburr safely; protect finishes with proper handling
Keep setup, tooling care, and jam-related work within task-specific training, authorization, and site procedures, including required LOTO; retain guards, follow pinch-point precautions, and escalate outside that scope
Assist with material staging and scrap segregation

Packaging/Printing

Set registration, tension, and line speed; verify print quality and codes
Conduct in-process checks for seal, weight, and count; document results
Perform rapid SKU changeovers with minimal waste
Maintain sanitation and allergen changeover procedures if food/CPG
Record downtime reasons and support root-cause reduction

Warehouse-Integrated Operation

Stage materials to point of use; scan moves in ERP/MES
Use manual pallet jacks per site training; for assigned U.S. forklift or powered pallet-jack duties, complete employer-required truck/workplace training and evaluation before assigned operation
Maintain accurate counts, labels, and lot traceability
Replenish Kanban and kit components to schedule
Coordinate with shipping/receiving to prevent lineouts

Hiring Toolkit: Interview Questions and Hands-On Tests

Combine job-related behavioral questions with a short practical to assess measurement and documentation skills. Following OPM’s structured-interview guidance, ask candidates the same predetermined job-related questions in the same order and evaluate responses using common rating scales and acceptable-answer standards.

Keep safety first during on-site tests. Consistent scoring does not mean identical administration is always sufficient: where the U.S. ADA applies, provide reasonable accommodation and accessible interviews and assessments. See EEOC guidance for job applicants.

Technical & Behavioral Questions

Tell me about a time you caught a quality issue before it left your area. What did you do next?
Walk me through your steps to set up or change over a machine you know well.
How do you decide when to adjust a parameter versus when to escalate to a lead or maintenance?
Describe your experience with calipers/micrometers and reading tolerances on a print.
What are the key elements of safe operation around guards, interlocks, and LOTO?
When a machine is behind schedule, how do you balance speed, quality, and safety?
Share an example of a process improvement you contributed to (5S, changeover time, scrap reduction).

Practical Assessment Ideas

Blueprint reading drill: identify three critical dimensions and tolerances; explain acceptance criteria
Measurement test: measure a sample part with calipers/micrometer and record results on a check sheet
Mock setup steps: candidate explains safe sequence for a basic changeover and first-article approval
Fault response: present a common alarm or defect photo; candidate outlines safe troubleshooting and escalation
Documentation: complete a sample production log with lot numbers, counts, and reject reasons

Onboarding: 30-60-90 Day Plan

Use this illustrative 30–60–90 day plan for employer planning, not as a verified industry timetable or a guarantee of lower scrap or safety risk. Assign a trainer, use a skills matrix, and set weekly check-ins against defined output and quality expectations.

Adapt the phases to the equipment and learner. Independent operation and expanded duties require demonstrated competence and applicable authorization, not simply reaching a date. Separate LOTO awareness from training for any assigned authorized energy-control work.

Days 1–30: Safety and basics

Complete orientation, PPE fit, LOTO awareness, and area-specific safety training; add task-specific training for any assigned authorized duties
Shadow on primary machine; learn SOPs, checks, and documentation
Demonstrate measurement proficiency and basic operation with supervision

Days 31–60: Working toward independence on the primary machine

After demonstrated competence and supervisor authorization, run full shifts under light supervision; meet assigned output and quality targets
Perform assigned setups/changeovers only within training, authorization, and site procedures; submit first-article for the designated approver
Address simple downtime issues only within assigned training, authorization, and site procedures; escalate other faults or jams; participate in 5S/kaizen

Days 61–90: Cross-training and ownership

Cross-train on a second machine or process
Own assigned daily operator care/PM tasks only within training, authorization, and site procedures; escalate outside that scope and maintain accurate reporting
Propose one improvement (scrap, changeover, housekeeping) and implement with team

Machine Operator vs. Machinist vs. Production Operator

Machine Operator: Runs defined equipment to SOP; performs basic setups, inspections, and documentation; adjusts parameters within limits and escalates complex issues.
Machinist: Deeper technical scope—programming/editing CNC code, complex setups, fixturing, precision measurement, and problem-solving to tight tolerances.
Production Operator/Assembler: May rotate across lines/stations with more manual assembly/packaging and less equipment-specific setup; quality and documentation still critical.

Use the title that matches scope to avoid mis-hiring and pay compression.

JD Compliance Checklist (ADA, Safety, Non-Discrimination)

Use this checklist as a drafting and review aid, not a compliance certification. Check the actual essential functions, employer circumstances, and applicable jurisdiction. Neutral wording and consistent evaluation criteria do not replace safety or accommodation obligations.

Include an equal opportunity statement; avoid gendered language and unnecessary barriers (e.g., degree requirements where not essential)
Safety: specify applicable PPE, guarding, site procedures, and assigned LOTO responsibilities; distinguish awareness from authorized energy-control and servicing work requiring task-specific training
ADA: for covered U.S. employers, address reasonable accommodation in hiring and job performance; “with or without reasonable accommodation” is useful wording, not proof of compliance
Physical demands: define frequencies and weights (e.g., “frequently lift up to X lbs.”); mention use of assists/hoists
Essential functions: clearly identify core duties to support accommodations and consistent evaluations
Background/drug screens: if applicable, reference consistently and lawfully; note union rules if relevant
Data and privacy: align with regional requirements (e.g., GDPR/UK data notices for applicants)

FAQs

Do machine operators need a degree? Specify what the vacancy actually requires. BLS says U.S. metal and plastic workers typically need a high school diploma and receive 1 year of on-the-job training; that does not establish requirements for every machine operator.
What shifts should the posting specify? State the actual hours, rotation, and any overtime expectations. Day, evening, overnight, rotating, and weekend arrangements are possible examples, not universal schedules.
What PPE is required? Typically safety glasses, hearing protection, and safety shoes; gloves and other PPE vary by task and material.
What KPIs matter most? OEE, throughput vs standard, FPY, scrap rate, changeover time, downtime, and safety performance.
Do operators need certification? Specify required versus preferred credentials for the vacancy. OSHA 10 and NIMS Level 1 are examples listed above. Prior forklift credentials do not replace the U.S. employer’s required truck/workplace training and evaluation before assigned operation.
Who do operators report to? Usually a shift supervisor or production lead, with dotted-line collaboration to QA and maintenance.
What does a day look like? Pre-shift safety check, startup, first-article approval, hourly checks, documentation, changeovers, and end-of-shift handoff.
How do I advance? Build measurement/setup skill, earn credentials (NIMS, OSHA 10), cross-train, and volunteer for mentoring/lead tasks.

Sources and Standards Referenced

BLS Occupational Outlook Handbook: Metal and Plastic Machine Workers—U.S. occupation-level education/training context and the May 2025 median annual wage, not local posted bands
OSHA Control of Hazardous Energy—U.S. LOTO responsibilities and the distinction between awareness and training for authorized work
OSHA 1910.178: Powered Industrial Trucks—employer training, evaluation, and certification responsibilities for assigned operation
EEOC: Job Applicants and the ADA—U.S. coverage, essential functions, reasonable accommodation, and accessibility during hiring
DOL: Wages and the Fair Labor Standards Act—U.S. federal overtime for covered nonexempt employees and the weekend-work distinction
OPM: Structured Interviews—predetermined job-related questions and common rating standards

Other resources to confirm for your site and jurisdiction

These are resources to consult, not universal operator requirements or independent verification of pay bands. Confirm the applicable standard, qualification, occupation, and current edition before using them in a posting.

OSHA 29 CFR 1910, including machinery and machine guarding (Subpart O) and PPE (1910.132), where applicable
UK Office for National Statistics (ONS) pay data for Process, Plant and Machine Operatives (ASHE)
ISO 9001 (Quality Management Systems) and ISO 13485 (Medical Devices Quality) for documentation/traceability
HACCP and GMP for food manufacturing safety and sanitation control
NIMS (National Institute for Metalworking Skills) credentials for CNC/measurement competency