Principal Consultant – Power Systems Engineering (ETAP & PSCAD) | BTM Infrastructure & Technical Assurance | UK
Are you a recognised power systems expert with extensive experience in ETAP, PSCAD, and large-scale behind-the-meter (BTM) energy infrastructure? Do you enjoy leading complex technical studies, advising clients on critical investment decisions, and shaping the future of industrial electrification and energy flexibility?
Nexos Group is seeking a Principal Consultant – Power Systems Engineering to lead technical assurance and advanced modelling activities across a portfolio of industrial, commercial, and microgrid projects.
This is a senior consultancy position for an established power systems professional who can combine deep technical expertise with strategic client advisory skills. You'll act as a trusted technical authority, delivering high-value engineering studies and guiding clients through the challenges of integrating Battery Energy Storage Systems (BESS), Solar PV, embedded generation, and complex microgrid architectures.
What You'll Be Doing
- Leading advanced power system studies using ETAP and PSCAD, delivering robust technical assurance for major energy infrastructure projects
- Performing load flow, short circuit, protection coordination, arc flash, transient stability, and electromagnetic transient studies
- Developing assurance and validation frameworks for large-scale behind-the-meter energy assets including BESS, Solar PV, microgrids, and industrial generation facilities
- Conducting technical due diligence, risk assessments, and independent design reviews for electrification, flexibility, and energy efficiency projects
- Reviewing and approving OEM, vendor, and EPC modelling assumptions to ensure technical robustness and design integrity
- Assessing network interactions from LV through to HV systems, ensuring safe and compliant integration with wider electrical infrastructure
- Providing technical leadership on complex client projects, serving as the primary authority for power systems analysis and modelling
- Delivering technical assurance reports, engineering recommendations, compliance documentation, and risk mitigation strategies
- Supporting business development activities through proposal development, technical scoping, client engagement, and strategic consultancy
- Mentoring & developing engineering teams, promoting modelling excellence and industry best practice throughout the organisation
What We're Looking For
- Master's Degree or PhD in Electrical Engineering, Power Systems Engineering, or a related discipline
- Chartered Engineer (CEng) status or equivalent professional accreditation preferred
- 10+ years of experience in power systems engineering, consultancy, or technical assurance environments
- Expert-level experience using ETAP and PSCAD for power systems analysis and simulation
- Strong knowledge of industrial and commercial power networks, embedded generation, power electronics, and behind-the-meter infrastructure
- Experience supporting projects involving BESS, Solar PV, Microgrids, Industrial Electrification, Renewable Energy, and Grid Integration
- Understanding of HV and LV power systems, protection systems, power quality, and dynamic system behaviour
- Strong commercial awareness with experience managing scope, budget, programme, and client expectations
- Exceptional technical report writing, stakeholder engagement, and presentation skills
Why Join Nexos Group?
This is an opportunity to play a leading role in the energy transition, helping major industrial and commercial clients navigate increasingly complex power system challenges. You'll work on cutting-edge projects spanning renewable energy, battery storage, electrification, microgrids, and flexible energy systems while influencing technical strategy at the highest level.
If you're looking for a role where you can combine world‑class technical expertise with meaningful client impact, we’d love to hear from you.
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Power Systems Principal Consultant employer: Nexos Group
At our Nord Centre location in Aberdeen, we pride ourselves on being an exceptional employer that values safety, quality, and teamwork. Our work culture fosters strong relationships among colleagues and supervisors, ensuring a supportive environment where employees can thrive and develop their skills. With competitive pay, overtime opportunities, and a commitment to employee growth, we offer a rewarding experience for those looking to make a meaningful impact in the joinery industry.
