Assistant Director Mechanical Infrastructure | Guy's and St Thomas' NHS Foundation Trust

This is a role which will be key to the Trust’s role as leader and influencer in South East London and to achieving Essentia’s strategic ambitions. The role is highly autonomous and ultimately accountable for interpretations of legal and national policies and interpreting this into a deliverable strategy and operational practice that ensures GSTT sites mechanical infrastructure is fit for purpose, maintained and compliant.

The role will provide professional leadership and assurance for Guys & St Thomas’ mechanical engineering systems, ensuring they are safe, reliable, compliant, and fit for purpose in a healthcare environment. This role, and function exists to safeguard patient and staff wellbeing by overseeing statutory compliance, risk management, and technical standards across all mechanical assets, including ventilation, medical gases, pressure systems, water safety, boilers, and energy systems.

The role holder will be required to act as a senior technical authority, supporting the Executive Director and all other Heads of Service in delivering a robust estates compliance framework, driving continuous improvement in system performance, and contribute to the Trust’s strategic objectives in sustainability, energy efficiency, and service resilience.

As one of the Essentia Leadership Team you will be required to work one weekend every 3 months and be part of the Directorates on-call rota.

· Lead the mechanical infrastructure stewardship of the estate, ensuring it is legally compliant, safe and with appropriate levels of resilience.

· Lead the development of mechanical strategies to address GSTT’s legacy of under investment in estate infrastructure and that delivers a safe, healthy, accessible and secure environment for patients, staff and visitors.

· Establish, develop and regularly review strategy, policy, business plans and forecasts relating to all aspects of the role.

· Establish and deliver operational performance (financial and non-financial) targets

· against agreed service standards, including compliance with Financial & Procurement Regulations.

· Continuously monitor and review services; identify and implement service, operational and financial improvements to deliver within allocated budgets, improving value for money, including being responsive to changing business needs.

· Ensure maintenance regimes aligns with SFG20, escalate end-of-life assets for capital replacement, and develop a lifecycle plan for local inspections, maintenance and Authorised Engineer inspections.

· Ensure compliance with all HTMs, HBNs, SFG20, British Standards, PAM and statutory health & safety requirements, including testing programmes and Trust duties relating to infection control, safeguarding, equality, and information governance.

Guy’s and St Thomas’ NHS Foundation Trust comprises five of the UK’s best-known hospitals – Guy’s, St Thomas’, Evelina London Children’s Hospital, Royal Brompton and Harefield – as well as community services in Lambeth and Southwark, all with a long history of high-quality care, clinical excellence, research and innovation

We are among the UK’s busiest, most successful foundation trusts. We provide specialist care for patients including heart and lung, cancer and renal services as well as a full range of local hospital and community services for people in Lambeth and Southwark

The NHS Pension Scheme - one of the most generous and comprehensive in the UK. When you start working for the NHS you automatically become a member, and you will get an excellent package of pension benefits.

Interest free Season Ticket Loan

Long Term Service Awards

Subsidised on-site nurseries and childcare vouchers

A comprehensive staff health and well-being programme, '5 ways to a healthier YOU'

Ride to work scheme

Employee assistance programme

Free stop smoking service

Our Trust values

We are Caring / Ambitions / Inclusive

The full job description provides an overview of the key tasks and responsibilities of the role, and the person specification outlines the qualifications, skills, experience and knowledge required. For both overviews, please view the Job Description attachment with the job advert.

This advert closes on Sunday 2 Aug 2026