Battery Energy Storage System

About us

Worley is a global company of energy, chemicals, and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement, and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.

Core responsibilities

• Supervise BESS installation, integration, and commissioning, including verification of the battery management system (BMS) and fire and thermal safety systems.
• Witness BESS performance tests (power rating, energy capacity, and round-trip efficiency) and support plant reliability run verification.

Other requirements

• Owner’s Engineer or equivalent Lender’s Technical Adviser experience on at least three utility-scale renewable energy projects (wind and/or solar PV, each with a capacity of at least 100 MW) that reached commercial operation within the last 10 years.
• Owner’s Engineer experience on at least one Battery Energy Storage System (BESS) project with a capacity of at least 100 MWh, including oversight of commissioning and performance testing.
• Experience working on Independent Power Projects (IPPs) structured under a Power Purchase Agreement (PPA) with a national or regional off-taker, including familiarity with PPA testing, commissioning, and performance guarantee regimes.
• Design review or construction supervision experience on grid substation and transmission interconnection works (132 kV or above), including interfacing with a national or regional transmission system operator.
• Demonstrated regional experience in the Sultanate of Oman and/or the wider GCC is preferred, including familiarity with Omani local regulations and Grid Code requirements.

Minimum qualifications and experience

• Bachelor’s degree in electrical engineering and a minimum of 8 years’ experience in Battery Energy Storage System design, integration, and commissioning.
• Familiarity with IEC 62933-2-1 BESS performance testing standards and BESS safety.

Moving forward together

We want our people to be energized and empowered to drive sustainable impact. Our focus is on a values-inspired culture that unlocks brilliance through belonging, connection, and innovation. We’re building a diverse, inclusive, and respectful workplace where everyone feels they belong, can be themselves, and is heard.

And we’re not just talking about it; we’re doing it. We’re reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today’s low-carbon energy infrastructure and technology. Whatever your ambition, there’s a path for you here.

There’s no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.