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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.