E&P Senior Site Manager in East Dean

Octavius Infrastructure, a leader in rail infrastructure services, is seeking a Senior Electrification & Plant Site Manager to join our Southern Renewals Enterprise team. In this pivotal role, you will take overall responsibility for the safe, high‐quality, and efficient delivery of electrification and plant renewals and enhancements across the Southern region. You will lead, mentor, and develop a team of managers, technicians, and operatives, ensuring compliance with all safety, quality, and environmental standards, and act as a key liaison with internal and external stakeholders to guarantee successful project outcomes.

Responsibilities

• Leadership & Oversight: Lead and manage all site activities for electrification and plant projects, ensuring works are delivered safely, profitably, and to the highest standards. Set the tone for a collaborative, high‐performing culture across your teams and supply chain partners.
• Strategic Planning: Oversee the planning, coordination, and supervision of installation, testing, and commissioning of electrification and plant assets.
• Quality & Compliance: Ensure all works are executed in line with design specifications, industry standards, and company procedures. Drive a right‐first‐time approach and proactively address any issues or non‐conformances.
• Performance Management: Monitor and report on project progress, performance, and quality. Implement corrective actions as needed and ensure projects are closed out efficiently, with all documentation and asset registers accurately maintained.
• Stakeholder Engagement: Act as the primary point of contact for clients, suppliers, and other stakeholders. Foster strong relationships and ensure clear, timely communication throughout the project lifecycle.
• Team Development: Mentor and develop Site Managers, Engineers, and Operatives. Conduct regular appraisals, identify training needs, and promote continuous professional development within your teams.
• Safety Leadership: Champion a positive safety culture, ensuring all health, safety, and environmental requirements are met and exceeded. Lead by example and ensure lessons learned are shared and implemented across projects.
• Continuous Improvement: Identify and implement best practices, drive innovation, and contribute to the ongoing improvement of project delivery processes.

You will receive...

We offer a competitive rewards package, including a Company Car scheme, Private Healthcare, Pension, Life Assurance cover, 25 days Annual Leave (and a day off for your birthday). You will also have access to an enhanced Paternity & Maternity package and the opportunity to develop yourself personally and professionally.

You will bring...

• HNC/HND in Electrical Engineering (or equivalent).
• SMSTS competent & 18th Edition qualified.
• Significant experience in electrification and plant management within the rail industry, ideally with a background in leading multi‐disciplinary teams on major projects.
• In‐depth knowledge of High Voltage (HV) Feeders, associated equipment, and relevant standards/regulations.
• Demonstrable leadership, communication, and stakeholder management skills.
• Strong commercial awareness and contract knowledge (NEC, ICE, etc.).
• Proficiency in Microsoft Office and relevant project management software.
• Full UK driving licence.

We are an equal opportunities employer and value difference. Inclusion and diversity are important to us; we firmly believe constantly striving to build a truly diverse workforce is what makes us a strong business and will enable us to continue to solve important problems and deliver unrivalled value to both our customers and clients. If you need any specialist support throughout your application, we will work with you where we can to support your journey with us.