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Security Assistant Project Manager
G4S
Sizewell C
Key Responsibilities
? Support the development, baseline tracking, and ongoing maintenance of project plans,
schedules, and operational milestones across the Sizewell C security portfolio.
? Monitor project progress across all security workstreams and produce robust status reports,
dashboards, and management information metrics.
? Maintain central project governance documentation, including complete
action, decision, risk, and issue logs (RAID logs), ensuring timely updates and
escalation.
? Coordinate project activities, operational alignment, and stakeholder engagement across
multi-disciplinary site departments, Tier 1 contractors, and client teams.
? Maintain rigorous document control and project record management in strict accordance
with agreed site governance processes and ISO 9001 quality standards.
? Support internal and external assurance reviews, audits, and compliance activities,
including evidence gathering, audit preparation, and action tracking.
? Produce clear management information, executive performance dashboards, and key
performance indicators (KPIs) for senior leadership.
? Provide day-to-day project administration and operational coordination support as
directed by the Security Compliance Manager and Projects & Assurance Manager.
? Champion Health, Safety, and Environment (HSE) standards across all security
operational areas,embedding an active, proactive safety culture.
? Ensure all personnel management, project activities, and access procedures comply
strictly with G4S HR policies, nuclear safety rules, and security vetting mandates.
Skills and Competencies
? Communication Skills: Excellent written and verbal communication skills, with the ability
to draft concise management reports, project dashboards, and executive briefings.
? Planning & Organisation: Strong project planning, tracking, and organizational
capabilities, with acute attention to detail and governance rigor.
? Tool Proficiency: High proficiency in MS Office (Word, Excel, PowerPoint) and Microsoft
SharePoint for project documentation and workflow management.
? Stakeholder Management: Strong interpersonal and customer-focused skills, capable of
coordinating activities effectively across diverse internal and external workstreams.
? Adaptability & Flexibility: Ability to adapt to evolving project requirements, multi-agency
responses, and dynamic nuclear construction phases.
? Problem Solving & Teamwork: Collaborative team player with an innovative,
solution-oriented approach to resolving project roadblocks and risks.
Profile
Educational Requirements/Qualifications
? A good standard of education in Maths, English and IT.
? Solid knowledge of recognized project management principles (PRINCE2, APM, or
equivalent).
Preferred Experience
? Proven track record in a Project Support Officer (PSO) or Assistant Project Manager
(APM) role.
? Experience working within Critical National Infrastructure (CNI), nuclear new build, major
infrastructure, military, or police environments.
? Demonstrable experience in maintaining project governance artifacts (action, decision,
risk, and issue logs).
? Proven capability in establishing collaborative relationships with client representatives and
multi- disciplinary project teams.
? Practical experience supporting quality audits, compliance assurance, and document
control.
Personal Qualities
? Highest levels of integrity, respectfulness, and professionalism required at all times.
? An engaging, proactive ‘can do’ attitude where successes and challenges are shared
across the team.
? Strict adherence to commitments: ‘Do what we say we are going to do and only commit to
what can be.’
? Strong active listening skills and clear, open communication style.
? Ability to plan ahead to prevent surprises and proactively mitigate operational risks.
Professional Qualifications/Memberships
? PRINCE2 Foundation / Practitioner or APM Project Management Qualification (PMQ / PFQ)
held or working towards.
? Risk Management qualification held or developing towards.
? IOSH Managing Safely or relevant Health & Safety qualification preferred.
Specific Occupational Requirements
? Ability to pass and hold National Security Clearance Vetting
? UK Driving License is essential
? Produce a Five year verifiable work history
Training and Development Requirements
External / Client – Contract Specific:
? BPSS Vetting – NNB
? SC Security Clearance
? CSCS MAPS / EDF Site Induction
? D&A (Drug & Alcohol) Testing
? Sizewell C Site Induction & Local Site Access Protocols
Internal / Professional Development:
? BS7858 Vetting
? G4S Online Induction & Site Induction
? Project Management Training – PRINCE2 / APM Foundation (minimum) working towards
Practitioner
? ISO 9001 Quality & Compliance Awareness
? Risk Management & RAID Log Maintenance
? MS SharePoint & Advanced Document Control
Other Information:
Competitive Market Rate - 12-Month Fixed Term
contract (Mobilisation Target: 1st December 2026)
40 hours per week – Office Hours with operational flexibility and hybrid working options as required.
Up to 60k depending on experience & qualifications
? 12 Month Contract
? 25 days leave per year + Bank Holidays
? G4S National Pension Scheme
? Life assurance benefit
? Employee discount scheme
? Eye care vouchers
? Aviva car, home and travel insurance discounts
? Health cash plan (covering employee and family)
For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.
No reliable IR35 determination was found in the title or listing text. Treat the status as unconfirmed and ask for the SDS before accepting the engagement.
