Senior Energy Storage Engineer (m/f/d/x)

Intertek is a leading Total Quality Assurance provider to industries worldwide. Our network of more than 1,000 laboratories and offices in more than 100 countries delivers innovative and bespoke Assurance, Testing, Inspection and Certification solutions for our customers' operations and supply chains. Intertek Total Quality Assurance expertise, delivered consistently with precision, pace and passion, enabling our customers to power ahead safely. 

Intertek's Clean Energy Associates (CEA) serves as a trusted partner to some of the world’s leading solar project developers, owners and financiers, providing a range of services across the value chain. These services include quality assurance, supply chain management and traceability as well as technical support to clean energy projects.

We are currently recruiting a Senior Energy Storage Engineer (m/f/d/x) in Europe to lead and execute a wide range of technical tasks in support of client needs and the continued development of Intertek CEA’s energy storage technical services platform.

Key Responsibilities

• Conduct independent engineering reviews and technical due diligence for Battery Energy Storage System (BESS) projects and designs
• Develop preliminary engineering drawings, performance models, and technical documentation for ESS projects
• Perform energy, economic, and performance analysis, including efficiency, degradation, SoC, auxiliary loads, and C-rate evaluations
• Review technical contracts, supplier documentation, warranties, and third-party engineering reports to identify risks and ensure quality compliance
• Manage project execution, resource planning, timelines, budgets, and client deliverables across all project phases
• Lead on-site inspections, commissioning activities, SAT witnessing, delivery inspections, and QA/QC audits for BESS equipment and systems
• Act as an internal technical expert for battery storage systems while supporting thought leadership initiatives such as white papers, presentations, and webinars
• Maintain strong industry knowledge and relationships with ESS manufacturers and technology providers to support innovation and internal capability development

 Experience & Qualifications

• Bachelor’s degree in engineering or equivalent qualification
• Minimum 2 years of experience in large-scale ESS design, modeling, or optimization (10MW+), ideally in solar-plus-storage projects; alternatively 3+ years in battery technology applications, testing, or standards
• Strong understanding of electrochemistry, battery technologies, and ESS performance metrics such as round-trip efficiency, degradation, depth of discharge, SoC, and C-rate
• Familiarity with key ESS components and integration topics including PCS, EMS, BMS, and overall system architecture
• Excellent project management, analytical, organizational, and client communication skills
• Ability to prepare high-quality technical reports in English and confidently review complex engineering documents and risk assessments
• Proficiency with engineering software tools
• Willingness to travel for site inspections and audits, work across global time zones, and comply with on-site PPE requirements

What we offer

• Our open corporate culture with flat hierarchies offers plenty of room for your ideas
• You’ll work in a dynamic team as part of an international company
• With flexible flex time and a variety of work schedules, we prioritize the compatibility of family and career as well as your personal work-life balance
• Support for sustainable mobility through our Business-Bike program (bicycle, e-bike, pedelec)
• Free use of the “meinEAP” counseling services
• Access to numerous discounts from our partners through Corporate Benefits

We are committed to diversity and equal opportunity. We value differences, actively promote inclusion, and create an environment that fosters each person’s individuality in the best interests of the company

Motivated and interested?

Then please submit your application (in English) online, including your earliest possible start date and salary expectations.