We are seeking a Security-Biased Project Manager to lead end-to-end delivery of national estate projects across a major long-term government contract.
You will oversee projects through all RIBA stages, working within NEC4 methodology to ensure safety, programme, cost control, stakeholder confidence and strict compliance standards.
This is a hybrid role with planned UK travel to government sites as required.
Job Description
We are looking for a systems-focused project professional with strong technical knowledge of security installations and a proven track record in multi-site delivery.
You will manage several live projects simultaneously – including scoping, live works and close-outs – while building strong relationships with client stakeholders and maintaining high standards of documentation and governance.
Key Responsibilities
- Lead and manage large-scale, multi-site security system projects, delivering to agreed time, cost and quality criteria.
- Provide subject matter expertise across security installations, ensuring compliance with SAFE03, SAFE04 and wider government standards.
- Define project scope, strategy and delivery plans, converting high-level programmes into detailed, actionable tasks.
- Act as the primary liaison for client stakeholders, vendors, senior leadership and internal teams, ensuring clear communication and escalation control.
- Oversee multiple interlinked projects, managing dependencies, resource allocation and cross-functional collaboration.
- Lead client engagement activities including scoping sessions, proposals, weekly updates and monthly progress reviews.
- Manage budgets – including those exceeding £1m – while forecasting, controlling costs and securing funding.
- Identify and mitigate risks, lead audits and quality assurance activity, and drive continuous improvement initiatives.
Professional and Personal Competencies/Qualifications
- Strong security systems background (not guarding/operations).
- FESS certification with solid understanding of BS 5839, BS 50131, BS 62676.
- Knowledge of SAFE03, SAFE04, and familiarity with NEC4 contracts.
- Leadership experience delivering large-scale, cross-functional projects.
- Understanding of RIBA stages preferred.
- Ability to manage multiple simultaneous projects with strong organisational discipline.
- Excellent communication and stakeholder engagement skills.
- High standard of documentation and reporting.
- UK driving licence + willingness to travel nationwide (planned, not reactive).
Benefits:
- Permanent, secure role on a long term government contract.
- Company car plus private healthcare.
- National remit with strong autonomy.
- Manage a high-value portfolio of £10–£20M.
The Company
ISS is a global leader in workplace and facilities management, helping organisations create environments where people and businesses can thrive. We partner with clients across sectors—from healthcare to finance—to deliver smart, sustainable solutions that improve everyday experiences.
We’re proud to be an inclusive employer, committed to diversity, wellbeing, and supporting the Armed Forces community.
As a Disability Confident employer, we’re committed to making our recruitment process accessible. If you require any adjustments, please contact our Resourcing Team—we’ll be happy to support you.
Join ISS and be part of something bigger.
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