Join the team and grow with us
Be part of a growing company with over 60 years of experience. We value every person with individual abilities, focus on personal and respectful interaction and offer you secure jobs with future prospects.
Find your place in the team —
open positions and
apprenticeships
With the expansion into another production and testing hall and a new service location, our team is constantly growing. Discover a wide range of career opportunities in production, service, assembly, sales and project management — from young professionals to experienced specialists.
Open positions
Master/Technician (m/f/d) for our electrical production
Schweringen
You organize production processes and plan the deployment of personnel in the electrical manufacturing area. In doing so, you will lead and motivate employees and ensure that production goals are achieved. You will also monitor and optimize processes in compliance with occupational safety.
Electronics technician for industrial engineering (m/f/d) for our electrical production
Schweringen
You are responsible for manufacturing and installing electrical components in our systems. In doing so, you ensure that all parts are assembled and wired precisely in accordance with technical specifications.
Construction mechanic or mechatronics technician (m/f/d) for our mechanical production
Schweringen
You are responsible for manufacturing and installing mechanical components and assemblies in our emergency power systems. In doing so, you ensure that all parts are manufactured and assembled precisely in accordance with technical specifications.
Sales representative (m/f/d)
Schweringen/Home Office
You sell tailor-made emergency power systems for international clients' data centers — from offer planning to project completion. Technical know-how meets sales talent. Company cars, flexible working hours, industry with future prospects.
Service technician (emergency) power units (m/f/d)
Frankfurt/Main
Together with our team, you will keep (emergency) power systems up to 3,500 kVA ready just in case. Maintenance, repair, nationwide deployment — modern service vehicles, detailed training, flat hierarchies. Young professionals welcome.
Service technician gensets (m/f/d)
Hanover/Bremen
Together with our team, you will keep emergency power systems up to 3,500 kVA ready just in case. Maintenance, repair, nationwide deployment — modern service vehicles, detailed training, flat hierarchies. Young professionals welcome.
Apprenticeships
Construction Mechanic Apprenticeship (m/f/d) for 2026
Schweringen
Whether industrial plants in permafrost, research facilities in the Arctic Circle, oil production plants in the desert. Energy supply systems are needed in many areas all over the world.
Training as an electronics technician for industrial engineering (m/f/d) for 2026
Schweringen
Come to Frerk Aggregatebau and take on the exciting challenge of keeping electricity out of the socket even in the event of a power failure thanks to our energy supply systems.
Insights into the world of power generation — internships at Frerk
Whether it's a compulsory internship during school time or a study-related internship — with us, you'll gain real practical experience. We offer deep insights into our company — across divisions and individually tailored to your requirements.
Get in touch with us!
Step 1: Contact
You send us your detailed application documents — by e-mail, via our application form or via direct application. Curriculum vitae with school leaving certificate, recent continuing education and a short cover letter are sufficient. We look forward to receiving your application and will get back to you as soon as possible.
Step 2: Review and get to know
We will carefully review your documents. If your profile matches an open position, we invite you to a personal job interview on site in Schweringen. Here you will get to know the team, gain insights into production and we will answer all open questions together.
Step 3: Onboarding and launch
After a positive decision, we will start your new job together. Our structured onboarding process ensures that you get used to it quickly, get to know all relevant contacts and are part of the team right from the start. Welcome to Frerk!
We are looking forward to hearing from you!
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