Dairy Mechanical Maintenance Technician Job Description

This Dairy Mechanical Maintenance Technician job description sets out the main duties, qualifications, skills and measures of success for the role, which is also known as Mechanical Maintenance Engineer, Maintenance Fitter, Mechanical Fitter or Multi-Skilled Engineer (Mechanical). Download it free as a Word or PDF template and adapt it for your own vacancy.

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Job title	Dairy Mechanical Maintenance Technician
Also known as	Mechanical Maintenance Engineer, Maintenance Fitter, Mechanical Fitter, Multi-Skilled Engineer (Mechanical)
Department	Dairy engineering and maintenance
Reports to	Maintenance Team Leader
Direct reports	None

What does a Dairy Mechanical Maintenance Technician do?

Maintains and repairs mechanical plant across a dairy processing site, including pumps, valves, heat exchangers, conveyors, dryers, packing lines and mobile equipment. Completes planned maintenance and breakdown work safely and on time so the plant stays available and food safe.

Dairy Mechanical Maintenance Technician duties and responsibilities

Planned maintenance

Carry out preventive maintenance on mechanical equipment across utilities, processing, drying, packing and mobile plant
Complete routine service tasks at every interval on schedule
Service pumps, valves, gearboxes, bearings, seals, compressors and heat exchangers
Carry out lubrication routines and condition checks
Record work, findings and parts used accurately in the CMMS

Breakdowns and repairs

Respond quickly to breakdowns and get plant running again safely
Diagnose mechanical faults and repair or replace failed components
Carry out fabrication, alignment and pipework repairs to hygienic standards
Identify repeat failures and propose permanent fixes
Take part in the on-call or shift breakdown rota

Improvement and spares

Report stock levels and usage of critical mechanical spares
Suggest and help deliver plant and process improvements
Install and commission new equipment and modifications
Support planned shutdowns and major overhauls

Food safety and quality

Follow HACCP, good manufacturing practice and hygiene rules when working in production areas
Control tools, parts and materials to prevent foreign body contamination
Use only food-grade lubricants and approved parts on product contact equipment
Hand equipment back to production clean and ready for use

Health, safety and compliance

Apply isolation, lockout and permit-to-work procedures on every job
Follow safe systems of work for confined spaces, work at height and lifting operations
Help with contractor inductions and permits
Report hazards, near misses and compliance risks promptly
Support environmental controls on effluent and emissions

Dairy Mechanical Maintenance Technician qualifications and experience

Essential

Recognised mechanical trade qualification, such as fitter or millwright, or equivalent
Experience maintaining mechanical equipment in a manufacturing or process plant
Fault-finding experience on pumps, gearboxes, conveyors and pneumatic systems
Experience using a CMMS
Understanding of food safety and hygiene standards in food manufacture

Desirable

Dairy or food processing experience
Welding qualification, including stainless steel TIG welding
Experience maintaining forklift trucks or other mobile plant
Knowledge of hydraulics, steam or refrigeration systems

Skills and attributes

Practical mechanical problem solving
Safe working and attention to detail
Teamwork with production and electrical staff
Clear record keeping
Staying calm under pressure during breakdowns
Willingness to learn new equipment and methods

How success is measured

Planned maintenance completed on time
Breakdown response and repair times
Fewer repeat mechanical failures
Accurate and complete CMMS records
No safety incidents or food safety breaches caused by maintenance work

Working conditions and safety

Hands-on, site-based role in a food production environment, including manual handling, work at height and in confined spaces, with PPE and hygiene controls. Usually includes shift work or an on-call breakdown rota.

Follow health and safety rules and safe systems of work, and wear the correct PPE
Follow food safety, hygiene, HACCP and quality procedures at all times
Report hazards, accidents, near misses and concerns promptly

Dairy Mechanical Maintenance Technician interview questions

Use these questions to assess candidates for a Dairy Mechanical Maintenance Technician role. Each one includes what a good answer shows.

How would you diagnose a centrifugal pump that is noisy and losing flow?
What a good answer shows: Considers cavitation, blockages, impeller wear, seal or bearing failure and suction conditions, and checks systematically.
What checks do you make when regasketing a plate heat exchanger?
What a good answer shows: Inspects plates for damage or cracks, fits the correct gaskets, tightens to the right dimension and pressure tests before use.
How do you align a motor and pump coupling, and why does it matter?
What a good answer shows: Uses laser or dial methods, explains how misalignment damages bearings and seals, and records the final readings.
What do you look for during a lubrication round?
What a good answer shows: Uses the correct lubricant and quantity, watches for leaks, heat, noise and vibration, and reports concerns promptly.
The same conveyor bearing has failed three times this month. What would you do?
What a good answer shows: Looks beyond replacement at alignment, lubrication, loading and specification, and proposes a permanent fix.
A product pipeline needs an urgent repair and production wants it done fast. How do you approach it?
What a good answer shows: Repairs to hygienic standards with correct materials and welds, and gets quality sign-off before production restarts.
How do you prevent foreign body contamination when working on product contact equipment?
What a good answer shows: Controls tools and parts, uses food-grade lubricants, cleans down, checks nothing is left behind and gets sign-off.
What precautions do you take before entering a confined space such as a silo or tank?
What a good answer shows: Uses permits, isolation, atmosphere testing, a rescue plan and a standby person, and never enters alone.
How do you hand over an unfinished breakdown job to the next shift?
What a good answer shows: Gives a clear written and verbal handover on status, isolations in place, parts needed and next steps.
How do you work with electrical colleagues on a fault that could be mechanical or electrical?
What a good answer shows: Shares findings openly, works through the problem methodically together and avoids blame.

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Frequently asked questions

What does a Dairy Mechanical Maintenance Technician do?

What qualifications does a Dairy Mechanical Maintenance Technician need?

Employers usually look for: recognised mechanical trade qualification, such as fitter or millwright, or equivalent; experience maintaining mechanical equipment in a manufacturing or process plant; fault-finding experience on pumps, gearboxes, conveyors and pneumatic systems.

Who does a Dairy Mechanical Maintenance Technician report to?

A Dairy Mechanical Maintenance Technician usually reports to the Maintenance Team Leader.

Can I use this Dairy Mechanical Maintenance Technician job description for my own vacancy?

Yes. Download the free Word template, add your location, contract and salary details, and adapt the duties to your site. You can then advertise the role on Dairy Jobs.