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RES
RES
Company · 18 open jobs

Asset Manager (BESS)

Join RES in the UK as an Asset Manager overseeing Battery Energy Storage Systems. This role focuses on technical asset management, contractor coordination, and compliance to optimize renewable energy performance. Enjoy a supportive, diverse workplace with growth opportunities and a competitive benefits package.

On-site Full time UTC+00:00 Updated today

Applies on res-group.com

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Do you want to work to make Power for Good?

We're the world's largest independent renewable energy company, guided by a simple yet powerful vision to create a future where everyone has access to affordable, zero carbon energy.

We know that achieving our ambitions would be impossible without our people. Because we're tackling some of the world's toughest problems, we need the very best people to help us. They're our most important asset so that's why we continually invest in them.

RES is a family with a diverse workforce, and we are dedicated to the personal and professional growth of our people, no matter what stage of their careers they're at. We can promise you rewarding work which makes a real impact, the chance to learn from inspiring colleagues from across a growing, global network and opportunities to grow personally and professionally.

Our competitive package offers a wide range of benefits and rewards.

Accountabilities

  • Technical Asset Management - The TAM shall be responsible for ensuring that all Technical Asset Management obligations under the RES AMA are completed in timely and efficient manner
  • Compliance Management - The TAM shall ensure that all operating assets adhere to statutory requirements for Health, Safety and Environmental performance and operating in compliance with key project agreements (e.g. Lease, Planning Consent, Grid Connection Agreement etc)
  • Contractor Management - The TAM shall be responsible for managing various service providers (e.g. O&M contractors) on the renewable energy asset. The TAM shall be responsible for working closely with such service providers to ensure they perform their contracted tasks in safe and efficient manner. [Insert text here]
  • Performance management - The TAM shall have oversight of the technical performance of the asset. The TAM shall be responsible for reviewing O&M contactor performance reports and verifying contractual Key Performance Indicators (KPIs) (e.g. site production availability, performance ratio etc). The TAM shall seek out and implement opportunities to optimise the technical performance of the asset where possible.
  • Reporting - The TAM shall be responsible for producing asset performance reports in accordance with the AM contract
  • Stakeholder Management - The TAM shall be the primary point of contact for the landowner and any other external stakeholders (e.g. local authorities, members of the public) and managing they key relationships

Knowledge

Understanding of technical operations of Renewable Energy Assets (specifically BESS) Health and safety management systems Quality and environmental management systems * Work control procedures, all in the context of operational renewable energy assets

Skills

Team Work Good interpersonal skills Initiative Tenacity Planning and organising * Attention to detail

Experience

Experience of managing 3rd party contractors (essential) Operational experience of renewable energy assets, specifically BESS Reviewing and preparing technical performance reports (preferred) * Familiarity with computerised SCADA systems and maintenance management systems (preferred)

Qualifications

Engineering/Science degree or equivalent experience.

At RES, we celebrate differences as we know it makes our company a great place to work. Encouraging applicants with different backgrounds, ideas and points of view, we create teams who work together to solve complex problems and design practical solutions for our clients. Our multiple perspectives come from many sources including the diverse ethnicity, culture, gender, nationality, age, sex, sexual orientation, gender identity and expression, disability, marital status, parental status, education, social background and life experience of our people.

Typical pay for similar roles

Estimate
£40,000–62,600 annually
Mid level · United Kingdom · 441 similar jobs

The middle half of pay advertised on Rejobs for this group over the last 24 months. This employer has not stated a salary.

About this role

Posted
23 Sep 2026
Updated
23 Sep 2026
Job type
Full time
Workplace
On-site
Sectors
Working hours
UTC+00:00
Experience
Mid level
LinkedInRES

About RES

Company Overview

Name

Renewable Energy Systems (RES)

Headquarters

Hertfordshire, United Kingdom

Founded

1981

Size

Approximately 2,500 employees globally (source: linkedin.com). No publicly disclosed revenue figures for 2023.

What They Do

RES focuses on a diverse range of renewable energy technologies, including wind (both onshore and offshore), solar photovoltaic (PV), battery energy storage systems (BESS), and green hydrogen solutions. The company provides comprehensive services that span the entire lifecycle of renewable energy projects, from initial development and engineering to construction, operations and maintenance (O&M), asset management, and financing. Their expertise allows them to deliver utility-scale projects that meet the growing demand for sustainable energy solutions across various markets, including utilities, corporates, and governments (source: res-group.com).

Projects & Track Record

RES has an impressive portfolio of completed projects, including the 278MW King Mountain Wind Farm in Texas, which was completed in 2001 and was the world's largest at the time. Other notable projects include the 90MW Inner Dowsing offshore wind farm in the UK and the 270MW Lincs offshore wind farm, both of which have contributed to RES's reputation as a leader in the renewable energy sector. The company has also developed significant solar projects, such as the 30MW Webberville solar park in Texas, showcasing its versatility in renewable energy solutions (source: res-group.com).

Recent Developments

In recent years, RES has made significant strides in expanding its project portfolio and capabilities. In 2024, the company secured a Generation License for the 70MW Elmacık Wind Power Plant in Turkey and advanced the development approval for the Tarong West Wind Farm in Queensland, Australia, which is set to provide power for approximately 230,000 homes. Additionally, RES has partnered with Octopus Energy on a £3 billion investment in green hydrogen in the UK, further solidifying its commitment to innovative renewable energy solutions (source: keyfactsenergy.com).

Working There

RES offers a variety of roles across multiple departments, including development, engineering, construction, operations and maintenance, asset management, finance, and legal services. The company emphasizes a collaborative culture, with a commitment to diversity and inclusion, and provides a stimulating work environment for its employees. The global headquarters in Kings Langley, UK, features modern facilities designed to support employee well-being, such as bike racks and showers, promoting a healthy work-life balance (source: res-group.com).

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