Mechanical Supervisor

We have an exciting Opportunity at Sizewell B to join as a Mechanical Supervisor and become part of our talented and high-performing team at one of the UK's most critical energy infrastructure sites. This role is ideal for someone looking to make a meaningful impact in the energy sector while working alongside experienced professionals on innovative and essential projects.

What’s on Offer

Our people are our greatest asset. We’re committed to recruiting, training, and developing people, who can drive innovation and help shape the future of energy. We invest in nurturing talent, offer a competitive base salary and a comprehensive benefits package, and support continuous professional development at every level of the organisation.

• Weekly pay (Monday to Friday)
• 25 days of annual leave
• Pension Scheme
• Family Friendly policies (Enhanced maternity & paternity)
• Refer a friend bonus scheme
• Flexible benefits, retail discounts, technology and bikes and much more.
• Real career progression opportunities.
• Discretionary 6 month salary reviews

Who We’re Looking For

• A proven track record in a supervisory role, with strong experience leading teams and delivering successful outcomes within the Power, Oil & Gas, or Pharmaceutical or nuclear industries.
• Practical experience in supervising mechanical operations or multidisciplinary projects, with a strong focus on safety, quality, and environmental standards.
• Demonstrated ability to motivate teams, nurture talent, and build a positive, productive work culture.
• A proactive and determined approach, with a positive attitude aligned with Dalkia’s core values.
• City & Guilds or NVQ in a relevant discipline.
• CSCS Supervisor card (or equivalent).
• SSSTS (Site Supervisor Safety Training Scheme) or IOSH certification.
• Willingness and ability to complete EDF/Dalkia Supervisor Training, including but not limited to: Level 3 Field Supervision & Nominated Competent Person (NCP) training

What you’ll be doing

• Ensure effective control of all on-site activities, maintaining high standards of service delivery, quality, health & safety, and environmental compliance.
• Supervise daily site operations in line with the direction and requirements of the Project or Site Manager.
• Lead and deliver Pre-Job Briefs, Setting to Work procedures, and Toolbox Talks, along with any other briefings or site communications as required.
• Manage and issue Permits to Work, especially in areas involving increased safety or environmental risk.
• Prepare and maintain essential site documentation, including RAMS (Risk Assessments and Method Statements) and Quality Plans.
• Ensure all site activities adhere to company procedures and agreed method statements, maintaining accurate records in line with project requirements.
• Promptly report any health & safety or environmental incidents (or near misses) to the Project or Site Manager.
• Take immediate action in the event of an environmental incident, ensuring it's contained, cleaned up, and reported appropriately..
• Apply industry best practices across projects, using your knowledge and experience to drive consistent standards and continuous improvement.

Diversity and Inclusion

At Dalkia, we believe that a diverse and inclusive workforce is essential to driving innovation and achieving a sustainable energy future. We are committed to creating a workplace where everyone feels valued, respected, and empowered to thrive regardless of background, identity, or lived experience. We welcome applications from all individuals and are proud to be an equal opportunity employer. Together, we’re building a culture that reflects the communities we serve and supports the transition to a net-zero world.

About us

Dalkia is a leading technical and energy services company in the UK. We are committed to building quality relationships to drive long term value for our clients. Backed by EDF, Britain’s biggest generator of low carbon electricity, we leverage the strength of our Group, without losing the personability of a smaller business. We’re a people-first culture.

Our strength lies in the diversity and expertise of our people. We prioritise safety in everything we do, taking a proactive approach that ensures the health, safety and wellbeing of everyone we interact with. Dalkia Engineering: Partnering with our customers, we co-create, design and deliver energy-efficient mechanical, electrical and public health solutions faster, safer and better than ever before.