Overview In this role you will lead HV/LV commissioning across switchgear, substations and critical power systems up to 33kV, supporting diverse projects UK-wide and internationally. You will perform testing, fault diagnosis, and modificati...Read More>>.

Overview In this role you will support commissioning within wastewater projects, coordinating data-driven problem solving and collaboration with the project team. You will contribute to safe, efficient delivery by developing best practices...Read More>>.

Overview You will join a field-based engineering team to install, commission, and service capital equipment across the UK. With an electrical bias, you diagnose and resolve issues on complex machinery, supporting customers from installation...Read More>>.

Overview As Principal Operations Engineer, you lead a team of engineers to plan and execute offshore pre-commissioning for pipelines and umbilicals, aligning with project goals and safety standards. You partner with field and marine teams t...Read More>>.

Overview In this role you will lead commissioning strategy for process plants within a large water framework, collaborating with cross-functional teams to ensure safe, quality-focused delivery. You’ll oversee FAT/SAT, witness testing and...Read More>>.

Overview In this role you will commission large UPS systems for Eaton's UK customers, ensuring performance and safety standards. You will support hyperscale data centres with expert commissioning, testing and system configuration, and inter...Read More>>.

Overview As a Commissioning Engineer on Thames projects, you will lead MEICA commissioning delivery, ensuring alignment with project scope and client interfaces. You’ll develop and implement commissioning plans and strategies from design...Read More>>.

Overview In this role you will deliver control, instrumentation and electrical commissioning for MCCs, instrumentation, analysers and related equipment across UK projects. You’ll support project teams with commissioning plans, ensure qual...Read More>>.

Overview As a Field Service Commissioning Engineer, you will troubleshoot, commission and service Alfa Laval equipment at customer sites, focusing on Decanters and related machinery. You will work with electrical and mechanical systems to e...Read More>>.

Overview In this role you will lead commissioning activities to ensure new and upgraded water assets operate safely, efficiently and in compliance. You will work within the Commissioning team to translate design intent into validated operat...Read More>>.

Overview As Lead Commissioning Engineer, you will guide a team of about 10 engineers to deliver safe, compliant plant commissioning and maintenance initiatives. You will manage project delivery from initiation to installation through PMPs,...Read More>>.

Overview As a Commissioning Engineer at Westinghouse, you contribute to the safe commissioning and operation of nuclear plant systems. You will work closely with Operations, Maintenance and Reliability teams to ensure plant readiness and av...Read More>>.

Overview As a Senior Commissioning Engineer at RSE, you will lead commissioning across UK projects, delivering control, instrumentation and electrical works for MCCs and related instrumentation. You collaborate with project teams to develop...Read More>>.

Overview As Electrical Commissioning Engineer, you will shape MEP functions across lifecycle of water-sector projects. You’ll design and implement a commissioning strategy from the ground up, ensuring process outputs meet design, client,...Read More>>.

Overview As a Commissioning Engineer, you will ensure monitoring systems are installed, configured, tested and handed over to customers. Based in Cowes, you will travel UK and abroad to client sites, including offshore installations, testin...Read More>>.

Overview You will lead commissioning activities to ensure safe, compliant system handover. You’ll work with engineering, construction and operations teams to execute test programmes and document results. The role involves reviewing techni...Read More>>.

Overview In this role you join a collaborative commissioning team on a Nuclear Licensed Site in Derby to drive safe, efficient commissioning activities. You will author and manage test procedures, record results, and perform commissioning t...Read More>>.

Overview On-site commissioning and testing of a Notifier fire alarm system at a site in Liverpool Street, London. You will validate system performance, troubleshoot issues, and prepare for handover to operations. This short-term contract su...Read More>>.

Overview As a BMS Commissioning Engineer you will oversee commissioning and handover of large BMS projects, documenting all pre-commissioning and commissioning tasks. You will apply your experience on Trend, Tridium, StruxureWare or Siemens...Read More>>.

BEMS/ BMS Commissioning Engineer Location: Midlands, Bristol, Swindon , Reading, Greater LondonSalary: £55,000-£60,000 + vehicle/allowance, overtime & benefitsType: PermanentOur client is looking for an...Read More>>.

Triple Star Fire and Security Limited in London seeks an experienced Fire Alarm Installation Engineer to join our growing team. You will install fire detection and alarm systems across commercial, industrial, and residential environments, working...Read More>>.

Audio Visual Commissioning Engineer Are you an experienced AV Commissioning Engineer looking for more than just another role? Do you want to join a business where people genuinely enjoy coming to work, where staff retention is exceptio...Read More>>.

About this position GenexHVAC Commissioning EngineerSalary: up to £50000 DOE, company vehicleLocation: Head Office Dudley, West Midlands Remote, UK travel Join a Team That Values Qu...Read More>>.

Service Engineer (Fire Alarm/Security Systems)Add Resource and Labour – South West London£40,000 - £45,000 Base (depending on experience) + overtime OTE £50,000Monday to Friday25 days holiday + Bank holidays +...Read More>>.

Fire Alarm Engineer (Subcontract) - Manchester & Liverpool Starting from £230 per Day Outside IR35 Weekly Pay Every Friday 6-Month Contract Monday to Friday 8:00am - 5:00pm Consistent Work...Read More>>.

HP4 Recruitment Ltd is seeking a Fire Alarm Service Engineer for Birmingham. The role covers servicing, maintenance, fault-finding and repair of GENT, addressable and conventional fire alarm systems across commercial sites. A full UK driving licen...Read More>>.

Fire Alarm Engineer (Subcontract) – Manchester & Liverpool Starting from £230 per Day Outside IR35 Weekly Pay Every Friday 6-Month Contract Monday to Friday 8:00am – 5:00pm...Read More>>.

V7 Recruitment is seeking a Fire Alarm Engineer for a 6-month subcontract role across Manchester and Liverpool. You will perform weekly fire alarm tests and maintain asset records across multiple sites.The ideal candidate will have solid fi...Read More>>.

Firetecnics Systems Ltd in London is seeking an experienced Fire Alarm Service and Maintenance Engineer to support scheduled upgrades, installs and repairs on fire alarm systems for our clients in and around the London area.The role require...Read More>>.

Drax 360Small Works Fire Alarm EngineerLocation: London and Home Counties – Field BasedPackage: Up to £43000, plus travel time and company benefitsAbout Drax360Founded in 1997 by a group of experienced fi...Read More>>.

Senseco Systems is seeking a Site-Based Fire Service Engineer to service and maintain critical fire detection and suppression systems on client sites across Greater London. You’ll work autonomously on Notifier, Kentec, Advanced, Simplex and othe...Read More>>.

Johnson Controls, Inc. is seeking a Fire Alarm Service Engineer for a static on-site role at a major facility in Ashford, Kent. You will service, test, and fault-find on fire alarm and gas suppression systems, reporting to the Field Line Manager a...Read More>>.

Johnson Controls, a global leader in building technology, is seeking a Service Engineer - Fire to service Fire Alarm Systems and deliver exceptional customer service. You will identify and rectify problems, working within a high-performing team to...Read More>>.

Johnson Controls is seeking a Service Engineer to service Fire Alarm Systems and deliver exceptional customer service. You will identify faults, perform safe repairs, and document work in reports as part of a high-performing engineering team....Read More>>.

Johnson Controls is seeking a Service Engineer - Fire in the United Kingdom to service fire alarm systems and provide exceptional customer service within a high-performing team. A full driving license and ability to work at height are required; on...Read More>>.

Johnson Controls is hiring a Service Engineer - Fire to service Fire Alarm Systems to industry standards and deliver outstanding customer service. You will identify issues before they arise and join a high performing team, with access to funded qu...Read More>>.

SER Limited is recruiting a Senior Fire Service Engineer for Birmingham and the wider West Midlands. The role focuses on servicing and maintaining fire alarm and life safety systems across commercial and public-sector sites, with travel across the...Read More>>.

ProGroup Recruitment Limited seeks an experienced Electrician / Fire Alarm Engineer for a long-term FRA contract in Leeds. You will carry out a mix of fire alarm and electrical works across council properties, with an immediate start and day-rate...Read More>>.

SER Limited is seeking an experienced Fire Alarm Service Engineer to join our Essex team. You will service, maintain and fault-find fire alarm and life-safety systems across commercial and public sector sites, travelling across Essex and surroundi...Read More>>.

Accepting applications Posted 9 Jul 2026 Closes 7 Oct 2026 Mechanical Commissioning Engineers for offshore vessel equipment in the marine sector. Permanent staff role, with contract also available outside IR35. Work involves large hydraulic...Read More>>.

Note for Recruitment Agencies: We prefer to hire directly and we will be in touch with our PSL Agencies if this role is eligible for release. We do not accept speculative CVs from agencies. If speculative CVs are sent, no fee will be...Read More>>.