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Salary
≈ $40k – $113k per year (Estimated)
Location
In office (London)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 11, 2026.

Overview
Company
Impact
Profile match
Metlen Energy & Metals, formerly Mytilineos, is a Greek industrial and energy group headquartered in Marousi near Athens that develops renewable and storage projects, builds power plants and grid infrastructure, supplies electricity and gas, and produces aluminium and alumina. Founded in 1990 from a metallurgical family business active since 1908, it operates in more than 30 countries and its holding company METLEN PLC is listed in London and Athens. Its careers board lists site, electrical and structural engineers, HSE specialists, O&M technicians, project and procurement managers and analysts in Greece.

AtMETLEN Energy & Metals, we are catalysts for a sustainable future, positioned at the forefront of the energy transition while being a reference point for competitive green metallurgy at both the European and global levels. We are a global industrial and energy company operating across two highly interconnected and complementary sectors: Energy and Metals. With a consolidated turnover of €5,683 million and an EBITDA of €1,080 million, along with a workforce of over 7,627 dedicated individuals, we drive success through cutting-edge technology and diverse talent.

We are committed to embracing new state-of-the-art technologies and advancements, propelling us towards a cleaner, brighter tomorrow. Our positive footprint extends across five continents, creating a lasting impact. At METLEN, we foster a culture of resilience, challenge, respect, excellence, andchange, empowering our diverse workforce to achieve remarkable outcomes.

We are looking for a Grid Compliance Engineer responsible for ensuring that renewable energy and energy storage projects comply with UK Grid Codes, ENA Engineering Recommendations (particularly G99/G100), and DNO/NESO requirements from early development through commissioning.

The role will act as the internal technical authority for grid compliance, managing compliance strategies, overseeing grid studies, and leading technical submissions to network operators. This position is key to minimising project risk, securing timely approvals, and supporting successful project delivery.

Your Role will encompass:

Grid Compliance Management

  • Act as the company’s technical authority for grid compliance across UK projects.
  • Ensure compliance with ENA G99/G100, UK Grid Code, and DNO/IDNO/NESO requirements.
  • Interpret connection offers and agreements and translate them into compliance strategies.
  • Maintain up-to-date knowledge of UK grid regulations.

Grid Studies & Technical Assessments

  • Define and manage grid compliance studies, including load flow, fault level, dynamic, and harmonic studies.
  • Review and validate outputs from external consultants.
  • Ensure alignment between study assumptions and project design.
  • Identify risks and recommend mitigation measures.

Applications, Submissions & Approvals

  • Lead G99 applications (Stages 1-3) with DNOs and Compliance Processes (ONCCs) with NESO.
  • Coordinate compliance reports, protection studies, and commissioning plans.
  • Interface with DNOs, IDNOs, and NESO to secure approvals.
  • Track approvals and resolve technical issues or delays.

Coordination & Stakeholder management

  • Act as the main interface with network operators, consultants, and internal teams.
  • Ensure grid compliance requirements are aligned with project design.
  • Support internal teams in understanding and meeting compliance obligations.

Project Delivery Support

  • Support development, design, construction, and commissioning activities.
  • Ensure compliance requirements are embedded in project execution plans.
  • Support commissioning and grid compliance testing.

Risk Management & Assurance

  • Identify and manage grid compliance risks.
  • Ensure projects meet connection agreement obligations before energisation.
  • Support technical reviews and continuous improvement.

What you bring to the role:

  • Degree in Electrical Engineering or a related field, with experience in UK grid compliance within renewables, ICP, DNO, or consultancy.
  • Strong knowledge of G99/G100, UK Grid Code, and DNO/NESO processes, with experience managing grid applications and compliance studies.
  • Experience with grid compliance testing and tools such as DIgSILENT, ETAP, IPSA, or PSCAD would be beneficial.
  • Chartered Engineer (CEng) status or working towards it would be beneficial.
  • Strong analytical, problem-solving, communication, and stakeholder management skills, with the ability to manage multiple projects and priorities.

Your Benefits:

  • Medical Plan: Included Life Insurance
  • Pension Plan

Share the same Value Based Behaviors:

  • People & Personal growth
  • Results orientation & Safety excellence
  • Collaboration & Trust
  • Empathy & Effective communication
  • Flexibility & Adaptability

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We respect your personal data. All personal information in your application and CV will remain strictly confidential.

At Metlen Energy & Metals we are proud to have Diversity and Inclusion at the centre of everything we do. We are committed to Equal Employment Opportunity regardless of race, colour, national origin, ethnicity, gender, age, disability, sexual orientation, gender identity or religion.

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