Portfolio Executive – BESS/HV (Energy)

Company: Gattaca
Apply for the Portfolio Executive – BESS/HV (Energy)
Location: London
Job Description:

Portfolio Executive – BESS/HV (Energy)

Are you seeking a role where you shape Performance, Compliance & Strategy within a growing BESS/HV Portfolio. Do you want more influence, a broader scope & more progression?

With this Portfolio Executive role, you’ll be working on Utility-Scale BESS and High Voltage Assets and Grid Infrastructure (33/132kV) for a Leading Energy Investor. You’ll help drive optimisation, OEM/LTSAs Management, shape Grid Code Compliance and influence long-term Asset Strategy.

What you’ll be doing

  • Managing performance, KPIs and optimisation of BESS + HV assets
  • Overseeing LTSAs, O&M agreements and OEM relationships
  • Supporting due diligence, onboarding and lifecycle planning
  • Leading compliance across Grid Code, operational notifications, CM commitments
  • Contributing to dashboards, board papers, investor updates and risk registers
  • Conducting site visits and coordinating contractors

What we’re looking for

  • Around 3 years in asset management, O&M, HV, BESS, peakers or DNO/TSO operations
  • Understanding of HV equipment, grid‑connected assets or storage systems
  • Strong organisational and stakeholder skills
  • Comfortable balancing technical detail with commercial decision‑making

Why this role stands out

  • Owner‑side influence: shape performance, compliance and strategy across BESS + HV assets, not just follow instructions.
  • Broader technical‑commercial scope: mix of optimisation, Grid Code, LTSA/OEM management, reporting and lifecycle planning.
  • Cutting‑edge assets: work on utility‑scale BESS and HV infrastructure (33/132kV) at the centre of the UK’s energy transition.
  • Cross‑functional exposure: collaborate with TAMs, OEMs, DNOs/TSOs, compliance teams and investment professionals.
  • Impact from day one: your decisions directly affect asset performance, revenue and long‑term value.

Want to know More?

Reach out to Alex McGuigan at Matchtech

+44 207 010 0433

alex.mcguigan@matchtech.com

Posted: June 5th, 2026