Why Work at Clarke
Our work is guided by our purpose: creating an energy-resilient world for a better future. This purpose embodies the legacy we bring, with more than 100 years as the global leader in energy resilience, delivering solutions critical to sustain and improve life.
Our teams have the opportunity to provide a critical resource – energy – that ensures safety, security, and independence for people around the world. Our team members are focused on pushing boundaries, continuing to innovate in an ever-changing landscape, and keeping up with the pace required to create solutions for today's world demands.
Our product range includes engines, generators, power conversion, UPS systems, EV components and electrification solutions, microgrid controls and management, and clean energy solutions that serve a broad spectrum of OEM, residential, industrial, and commercial customers. At Rehlko, you have the freedom to identify, create, and deliver solutions – large and small – that help people and communities thrive in the moments that matter.
At Rehlko, our team members are the essential energy that powers our organization's success. We are committed to fostering a safe and sustainable work environment where safety is everyone's responsibility. We empower every team member to actively participate in our Zero Is Possible safety culture by encouraging open communication, proactively reporting hazards, following protocols, and suggesting improvements. Join us in creating an energy resilient world for a better future
What We Offer
At Rehlko, our Total Rewards programs are designed to accelerate growth, energize performance, and support a culture of inclusion at every stage of life and work. We offer total rewards that are easily understood, recognize results, enable career mobility, and reflect our commitment to valuing diverse needs in a fast-moving world. We provide:
* Competitive compensation and benefits
* Work-life flexibility
* Recognition and rewards
* Development and career opportunities
* A safe and inclusive workplace
Why You Will Love this Job
Senior Site Manager
Location: UK-wide with extensive travel
Reports to: Projects Director
Join Clarke Energy as a Senior Site Manager
We are seeking an experienced Senior Site Manager to provide operational leadership, governance and cross-portfolio oversight across Clarke Energy's project sites throughout the UK and Ireland. This high‑mobility, site‑focused role is central to embedding our health, safety and environmental standards, supporting subcontract site managers and ensuring consistent, safe and high‑quality project delivery across a diverse portfolio.
Acting as the link between Project Management, our SHEQ function and key client stakeholders, you will play a critical part in driving compliance, coaching site teams and fostering a strong, positive safety culture.
Key Responsibilities
Site Oversight & Standards
* Deliver cross-portfolio oversight of subcontract site managers, ensuring consistent behaviours, reporting and compliance.
* Embed Clarke Energy's HSE expectations across all live sites, maintaining rigorous standards and documentation.
* Conduct regular site audits, coaching sessions and behavioural observations to raise capability and drive best practice.
* Promote a zero‑tolerance approach to unsafe working practices.
Health, Safety & Environmental Leadership
* Assist Project and SHEQ teams, as well as clients, during H&S incidents or escalations.
* Contribute to incident investigations, ensuring accurate reporting, timely communication and effective corrective actions.
* Reinforce CDM principles and safe systems of work across subcontract teams, offering competent guidance on CDM matters.
Project Support & Coordination
* Support mobilisation and demobilisation of sites, ensuring readiness, compliance and effective inductions.
* Benchmark performance across projects, identifying trends, opportunities and good practice.
* Maintain accurate site records, daily diaries, progress photos and H&S documentation.
Subcontractor & Resource Management
* Oversee subcontracted site management personnel across a multi‑site portfolio.
* Support onboarding and coaching of subcontract site managers, enhancing leadership capability on site.
Client & Stakeholder Interface
* Act as a key point of coordination between site teams, clients, SHEQ and the Projects function during critical events.
* Support professional, consistent communication across all stakeholder groups.
* Represent Clarke Energy's values, behaviours and standards in customer-facing situations.
Essential Qualifications & Skills
* Strong on-site construction experience, ideally with Principal Contractor responsibilities.
* Strong working knowledge of CDM Regulations and site safety governance.
* SMSTS and CSCS (Black, Gold or White PQP) mandatory.
* Demonstrable experience coaching or managing people in construction environments.
* Confident working with subcontractors across multiple sites.
* Excellent communication and stakeholder management skills.
* Ability to drive standards, consistency and continuous improvement across dispersed teams.
* NEBOSH Level 3 qualification.
* Management or supervisory qualifications (e.g. ILM, NVQ Construction Management).
* Experience in EPC, CHP or energy‑sector construction projects.
* Audit experience (H&S, quality or process audits).
The Benefits
* Competitive salary
* 25 days holiday, plus enhanced entitlement with length of service
* Holiday buy and sell scheme
* 7% company pension contribution
* Health care cash plan
* Life Assurance
* Employee Assistance Programme
* Hybrid working (when not site‑based)
* Reward and recognition schemes
* Investment in professional development
* In-house certified training department
About Clarke Energy
Clarke Energy, a Rehlko company, is an award-winning multinational specialist in the engineering, installation and maintenance of energy solutions. We deliver high‑quality installations backed with accountable aftersales support, operating with integrity and high ethical standards. As the largest authorised distributor and service provider for INNIO's reciprocating engine business, we support customers across a global footprint.
Ready to join us?
If you are an experienced site leader with strong health and safety credentials and a passion for driving excellence across multiple project environments, we'd love to hear from you.
About Us
Clarke proudly offers a rich history steeped in creativity and commitment to our associates and communities, along with competitive benefits and compensation. Our Purpose—Creating an energy resilient world for a better future—and Values: Curiosity, Trust, Pace, and Excellence, are important cultural components that shape the way we work and relate to one another. Learn more about Clarke at In addition to the investment in your development, Clarke offers a benefits package including a competitive salary, health, vision, dental, 401(k) with Rehlko matching, and more?"Clarke is an equal opportunity employer that prohibits discrimination and will make decisions regarding employment opportunities, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination, without regard to race, creed, color, ethnicity, religion, sex, pregnancy, childbirth, or related medical conditions, genetic information, age, national origin, citizenship, ancestry, caste, mental or physical disability, marital or familial status, sexual orientation, gender identity or expression, genetic information, political belief or affiliation, union membership status, military status, veteran status, or any other characteristic protected by national, state, local, or other applicable laws.
Our Values
Curiosity – Seek, learn, share
Trust – Go farther together
Pace – Focus to go faster
Excellence – Find the win every day