Hydraulic Instrument Technician

Johnson Controls; Wymondham; On-site; GBP 60,000 - GBP 80,000; Full time

Job summary

A global engineering firm in Wymondham seeks a Hydraulic Instrument Technician to perform mechanical service, repairs, and testing. The role involves diagnosing faults, servicing hydraulic systems, and ensuring quality standards are met in a workshop environment. Ideal candidates will possess a Mechanical Craft Apprenticeship and NVQ Level 3 in Mechanical Engineering. Employees benefit from a competitive salary, career development opportunities, and a comprehensive benefits package, including matched pension contributions and paid leave.

Benefits

25 days paid annual leave

7% matched pension contribution

Life assurance

Employee assistance programme

Referral scheme

High street discounts

Qualifications

• Experience in maintenance and assembly of hydraulic control systems.
• Understanding of hydraulic systems and fault diagnosis.
• Strong commitment to quality workmanship.

Responsibilities

• Maintain, repair, and test hydraulic systems for the oil and gas industry.
• Prepare repair scopes and repair documentation.
• Work closely with service office team for client communication.

Skills

Identifying and assembling hydraulic components

Fault-finding and modifying hydraulic systems

Pressure testing of tube and pipe systems

General workshop machining and fabrication

Reading and interpreting P&IDs

TIG welding in stainless steel

Education

Mechanical Craft or Technician Apprenticeship

Level 3 NVQ in Mechanical Manufacturing Engineering

Tools

Hydraulic Power Units (HPUs)

Well Head Control Panels (WHCPs)

Topside Termination Units (TUTUs)

Job description

Hydraulic Instrument Technician – Workshop Based

Role focus: Mechanical service, repairs, and testing

Location: Wymondham

Are you an experienced hydraulic technician with a passion for precision engineering, hands‑on mechanical work, and solving complex technical challenges? We’re looking for someone who thrives in a workshop environment, enjoys fault‑finding, and takes pride in delivering high‑quality hydraulic system repairs and builds.

About the Role

Based in our dedicated Hydraulic Service Bay, you’ll carry out the maintenance, repair, testing, and assembly of small hydraulic control systems used across the oil and gas industry. Your work will play a key role in extending the operational life of our customers’ well head control equipment.

Typical activities

• Diagnosing faults on hydraulic control systems and preparing repair scopes
• Replacing components, performing mechanical repairs, and conducting full functional testing
• Building and testing new or refurbished hydraulic control systems
• Completing all documentation and certification to industry standards
• Working closely with our service office team to support quotations and customer communication

What We Offer

• Competitive salary with overtime opportunities
• 25 days paid annual leave plus bank holidays
• Paid sick leave
• Comprehensive benefits package including:
• 7% matched pension contribution
• Life assurance
• Employee assistance programme
• Referral scheme
• High street discounts
• Cycle‑to‑work scheme
• Discounts on Johnson Controls products
• Extensive on‑the‑job and cross‑training opportunities
• Supportive, collaborative team culture
• Access to business resource groups
• Long‑term career development and progression

Key Technical Responsibilities

You’ll have experience in the manufacture, assembly, and testing of systems such as:

• Hydraulic Power Units (HPUs)
• Well Head Control Panels (WHCPs)
• Topside Termination Units (TUTUs)
• Chemical Injection packages
• Fire Suppression & Deluge Control units

Core skills

• Identifying, installing, and assembling hydraulic components
• Fault‑finding and modifying existing hydraulic systems
• Reading and interpreting P&IDs, GA drawings, parts lists, and test procedures
• Working with instrument tubing and twin‑ferrule systems (Swagelok, Parker, Gyrolok/Hoke)
• Medium and high‑pressure cone & thread systems (Autoclave, Butech)
• Pipework manufacture, including NPT threading
• Pressure testing of tube and pipe systems
• Hydraulic flushing and cleanliness sampling (SAE AS4059, NAS 1638)
• Instrument testing and calibration (PRVs, transmitters, switches, gauges)
• Safe setup and operation of hydraulic test rigs
• General workshop machining and fabrication
• TIG welding in 316 stainless steel (advantageous but not essential)

What We’re Looking For

We’re seeking someone who:

• Works effectively within a team and communicates well with colleagues and customers
• Is proactive, organised, and committed to high‑quality workmanship
• Can occasionally travel for on‑site work when required
• Has an understanding of electrical control systems (advantageous)

Qualifications & Training

Ideal candidates will have:

• A Mechanical Craft or Technician Apprenticeship
• Level 3 NVQ in Mechanical Manufacturing Engineering (Fitting & Assembly)
• Relevant hydraulic and fluid power training units

Additional training/certifications that are highly valued:

• Swagelok / Parker / Hoke twin‑ferrule systems
• Autoclave / Butech high‑pressure systems
• ecITB SBT01 & SBT02
• PAMAS contamination control
• Hand torque bolting techniques

Beneficial certifications:

• Forklift Truck licence
• First Aid at Work
• Fire Marshall training

Why Join Us?

This is an excellent opportunity to work in a specialist engineering environment where your expertise directly contributes to the reliability and safety of critical oil and gas systems. You’ll work on varied, technically challenging projects, be supported by a knowledgeable team, and continue developing your skills in hydraulic instrumentation.