Senior Expert – Battery Energy Storage Systems (BESS) Location: Hamburg, Germany or Switzerland (Zug)Salary: Competitive / Market-based (flexible depending on profile)Employment Type: Full-time About the CompanyOur client is a leading renewable energy investment and infrastructure platform managing a diverse portfolio of 1+ GW of assets across Europe and having deployed approximately €2B in renewable projects across solar, wind, and storage. They act as a trusted advisor to institutional investors and are actively expanding their Battery Energy Storage Systems (BESS) platform, including both greenfield developments and acquisitions. This is a unique opportunity to work on large-scale BESS projects across Europe, with exposure to both technical project delivery and investment decision-making. Role OverviewThe Senior Expert – BESS will be responsible for driving the execution of utility-scale battery storage projects, ensuring successful delivery while managing EPC contractors and supplier relationships. This role is central to the growth of the company’s BESS portfolio and combines hands-on construction supervision with strategic involvement in technical due diligence for new acquisitions. Key Responsibilities Lead execution of large-scale BESS projects from design through commissioning Manage and negotiate EPC contracts with contractors and suppliers Oversee construction delivery, including site supervision, integration, and testing Collaborate with grid operators, manufacturers, and EPC partners to ensure seamless system integration Define and monitor quality assurance and system acceptance protocols Support technical due diligence for acquisitions, ensuring risk mitigation and technical compliance Conduct performance assessments and lifecycle analyses to optimise system efficiency Liaise with investment and project teams to provide technical insight into ongoing and potential projects Candidate Profile Degree in Electrical Engineering, Energy Technology, or related field 4+ years’ experience in BESS projects, including design, construction, and commissioning Strong hands-on experience with EPC contractor management and construction delivery Proven knowledge of battery storage technologies and grid integration (Li-ion, LFP, NMC, hybrid) Experience with SCADA systems and monitoring interfaces Strong project management and communication skills Fluent in English; German is desirable Practical problem-solving mindset and ability to work across international teams Why This Role is Unique Work on high-profile BESS projects across multiple European markets (Germany, Finland, Italy, Netherlands, Denmark) Exposure to investment-level decision making and technical due diligence Opportunity to be part of a growing BESS platform with institutional backing Combine hands-on construction execution with strategic advisory experience Apply through h.safavi@pipermaddox.com

BESS Project Developer ♻ We have partnered exclusively with a leading international BESS developer that has delivered over 6 GW of PV and BESS projects across Europe and brings more than 25 years of industry experience. This is an excellent opportunity if you are looking to take the next step in your renewables career. Location: North Rhine-Westphalia (Possibility for Remote working) Key Responsibilities Lead the full project lifecycle from site identification to RTB stage.Identify suitable sites, originate partnerships, and negotiate land agreements.Secure grid access with TSOs/DSOs.Oversee technical/environmental studies, permitting, and risk mitigation.Manage stakeholder engagement, community outreach, and internal compliance with timelines and budgets.Handle co-development agreements.Build strong relationships with authorities at all levels.Represent the company in permitting discussions, consultations, and regulatory communications.coordinate internal teams and external consultants across engineering, procurement, financing, legal, and environmental areas to ensure efficient project delivery.Support project budgeting, business cases, financial monitoring, and investment decisions.represent the company in industry forums, fairs, associations, and with grid operators. Your Profile Completed degree in geography, spatial and environmental planning, or a comparable field, ideally complemented by initial professional experience in project-based roles.Solid understanding of the PV/BESS energy sector, including familiarity with regional planning processes, land use plans, and development plans.At least 3 years of experience in renewable energy project development, working on the full lifecycle of projects.Proficient in standard MS Office applications and experienced in working with geographic information systems (GIS).Strong knowledge of planning law and technical project feasibility assessments.Ability to work independently with resilience, while also contributing effectively within a team environment.Analytical mindset with a structured, detail-oriented approach to work and a high level of motivation and commitment. Languages:German (fluent), English (fluent) Sounds exciting? Then apply now!

Piper Maddox are exclusively supporting an industry leading BESS IPP as they look to bring in an experienced senior project manager to help deliver the construction of one of the UK's largest BESS projects.This is a fantastic opportunity for someone who enjoys working in a smaller, dynamic environment where you can have real influence on how projects are delivered. You’ll be joining a high-performing but close-knit team, giving you the autonomy to lead projects properly while still having strong support around you. This person will also be required to be involved in the acquiring of new projects to expand their portfolio so a strong commercial acumen would also be advantageous.They are looking for candidates with:- 5+ years BESS experience - solar experience as well as BESS would also be advantageous- Civil or electrical engineering background- Excellent stakeholder management skills- Strong contract management and commercial acumen- Project Management qualifications- Full UK driver's license