Job Title

Service & Maintenance Engineer (m/f/d)

Company

Kraftblock is a fast-growing cleantech company based in Sulzbach/Saar, Germany. We develop modular high-temperature energy storage systems that enable the decarbonization of energy-intensive industries by flexibly storing and using waste heat and renewable energy. Backed by leading international investors, we are driving the global transformation toward a net-zero industrial future.

Location

Sulzbach/Saar, Germany. This role involves international travel and on-call duty rotation.

Responsibilities

Maintenance & Troubleshooting: Plan, organize, and execute maintenance and repair activities; perform root cause analysis and resolve technical faults in instrumentation, piping, static and rotary equipment, and DCS/PLC systems; calibrate and troubleshoot instrumentation and sensors; operate and optimize electrical subsystems (drives, fans, relays, breakers, grounding systems); develop and maintain maintenance schedules, protocols, and reports including remote troubleshooting documentation.
Customer Interaction & Field Service: Conduct on-site service visits and system interventions at customer locations (domestic and international); act as a technical point of contact for customers and ensure service satisfaction; coordinate and supervise external service providers and contractors; support drafting and management of service and maintenance contracts.
System Optimization & Innovation: Analyze system malfunctions and recommend technical improvements; develop and implement predictive, preventive, and reactive maintenance strategies; collaborate with software, process, and data teams to create digital twins, condition monitoring, and predictive fault detection dashboards; support lifecycle innovation by recommending system upgrades and design-for-maintenance improvements; contribute to HAZOP and risk assessment processes; develop training manuals and conduct training sessions for plant operators.

Requirements

Degree in Mechanical Engineering, Mechatronics, Automation & Control Engineering, Process Engineering, or a related field.
Several years of experience in service, maintenance, or operations of process or industrial systems.
Solid understanding of electrical, control, and instrumentation systems (EMSR).
Hands-on experience with DCS and/or PLC systems (basic programming knowledge required).
Experience managing external contractors and technical projects.
Excellent communication skills and strong customer orientation.
Proficiency in English (spoken and written); German is a plus.
Confident using MS Office; experience with SAP or similar ERP systems is a plus.
Self-starter with a hands-on mentality, team spirit, and problem-solving skills.
Willingness to travel internationally and participate in on-call duty rotation.

What We Offer

Permanent full-time contract in a future-oriented cleantech company.
Flexible work models with remote work options and trust-based working hours.
Personal development through tailored training and development programs.
Flat hierarchies, ownership opportunities, and space for ideas.
Diverse international projects with real impact on the energy transition.
Strong team culture with open communication and regular team events.
Modern work environment with global collaboration tools.
Competitive salary package including pension plan and health initiatives.

About Us

Kraftblock’s goal is to enable the transition to renewable energy. We decarbonize industry with our technology and are backed by world-class investors. We are looking for talented people who share our passion to develop Kraftblock into a leading energy storage system. Join us and shape the future of climate-friendly energy markets!