WBPS is now Rehlko About Rehlko Rehlko is a global leader in power and energy resilience, with a heritage that spans over 100 years. Since launching the first modern generator, we have continually shaped the way the world powers homes, industries, and critical infrastructure. Today, Rehlko’s product range includes engines, generators, power conversion systems, UPS, EV components, electrification solutions, microgrid controls, clean energy technologies, and more. Our expertise serves a diverse spectrum of customers worldwide, from OEMs to industrial, commercial, and residential sectors. As part of this exciting growth, WB Power Services has now become Rehlko UK. This transition means we retain the strong, values-led foundation of a family business, while being empowered by the scale, resources, and global vision of Rehlko. For our people, this means new opportunities, bigger projects, and a chance to shape the future of resilient, sustainable energy. The Role As a Commissioning Engineer, you will play a key role in the successful commissioning of generators nationwide. Working closely with project managers, electrical engineers, and field technicians, you will ensure that installations are delivered, tested, and fully operational to the highest standards. Key responsibilities include: Attending site planning and coordination meetings with Project/Site Managers and clients. Conducting site visits to assess installations and prepare for commissioning. Developing commissioning plans and schedules in collaboration with project teams. Reviewing and signing off RAMS and ensuring strict compliance with H&S protocols. Managing and overseeing the full commissioning process for each project. Performing functional tests, load bank tests, and performance testing. Providing technical support, troubleshooting, and escalating issues where required. Conducting FAT and SAT, producing detailed snagging and test reports. Training end-users on generator operation and maintenance.The Person NVQ or degree in Electrical or Mechanical Engineering (or related field). Electrically qualified & registered, with City & Guilds 18th Edition (or equivalent). Experience working with generators is desirable. Ability to interpret and follow electrical drawings and schedules. Confident in completing risk assessments and understanding safe systems of work. Strong problem-solving skills with the ability to troubleshoot on-site. Willing to travel nationwide and work away from home (with full compensation package). Full UK driving licence.What We Offer £55k – £70k OTE (with overtime after 40 hours). 10% or 15% additional uplift on wage (depending on postcode). Door-to-door pay, company van, and fuel card. Fully covered hotel, travel, and food expenses while working away. 25 days holiday plus bank holidays (33 days in total). Private healthcare and death in service cover. Outstanding employee assistance programme. Management progression opportunities