Senior Infrastructure Lead

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 6,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all

Position Overview

The Senior Infrastructure Manager is responsible for assuring that delegated Nuclear/Explosive Safety related Infrastructure supports Safe, Secure and effective operations alignment of the end client's Strategic Objectives with Infrastructure Plans and wider delivery programmes, acting as the Intelligent Customer for current and future infrastructure requirements. They will liaise closely with Base stakeholders and compliance teams to align capability needs with operational priorities and asset conditions.

Key tasks associated with this role:

Infrastructure Assurance – Ensure infrastructure supports safe, secure, and effective operations.

Project Oversight – Provide Intelligent Customer assurance throughout construction, commissioning, handover, and decommissioning.

Stakeholder Management – Work with operational and technical teams to align infrastructure with capability needs.

Infrastructure Acceptance – Approve infrastructure handover, ensuring compliance, documentation, and operational readiness.

Supplier Collaboration – Build effective relationships with delivery partners and supply chains.

Reporting & Governance – Provide updates to senior management and support safety and compliance requirements.

Skills / experience required for this role:

Why join the community of Switchers?:

The Group is currently ranked Third in the world for nuclear engineering.

A dynamic career management policy to enable our employees to progress through our five business lines: operations, project, technical, sales and support functions.

Provide opportunities to work on exciting, global projects.

Access to an employee assistance programme with free mindfulness, health, wellbeing resources and a confidential support line available 24/7 via phone or text.

Discount vouchers for days out and restaurants, eye test and glasses vouchers, cycle to work scheme, free flu jabs.

At Assystem, we celebrate diversity and creativity. We believe in harnessing unique perspectives to shape innovative solutions. Your skills and daring spirit are what truly matter. Join us and help shape the future!

Please be aware that many roles at Assystem are subject to both security and export control restrictions.

• These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation.
• All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for.

Umbrella contractor role

SC Clearance required to start

Hybrid role with 2 days/week at Helensburgh client base

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.