Security Assistant

ASSYSTEM · Bolton, England, United Kingdom

  • Junior
  • Full-time
  • Posted 2026-09-14
  • Confirmed live on 25 September 2026

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Job description

Job Description
🔐 Security Assistant
Reporting to the Personnel Security Manager, the Security Assistant will support the company’s Personnel Security activities, with a focus on security vetting, aftercare and security compliance.
📍 Location: Bolton

🏢 Working pattern: Hybrid – 2–3 days per week in the office
🔹 Key Responsibilities
🛡️ Process vetting applications for staff and contractors, providing guidance on all types of vetting.
🔄 Monitor security clearances and ensure renewals are completed promptly.
📋 Communicate changes to vetting policies and procedures.
🤝 Liaise with external agencies and verify internal and external clearances.
🔎 Conduct thorough checks and maintain effective Personnel Security controls.
💬 Act as the main contact for vetting and security enquiries, handling information sensitively and in line with data protection requirements.
🚨 Support security incident reporting, follow-up actions and lessons learned.
📁 Provide security support for key projects.
🎫 Manage site-specific security responsibilities, including issuing site passes.
📢 Support the wider Security Department with general security activities, communications and awareness campaigns.

Qualifications
🎓 Essential Experience & Qualifications
💻 Experienced user of Microsoft Office, particularly Word and Excel
⭐ Desirable Experience
🛡️ Previous experience in a similar security role
🎓 DISA Training
👤 Person Specification
⏰ Reliable and dependable
🚀 Self-motivated and proactive
🤝 Honest and trustworthy
📋 Well organised
🎯 Able to meet deadlines and prioritise workload
🔎 Methodical and accurate
🔐 Able to gain and maintain the appropriate security clearance

Additional Information
Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.

NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

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.

Company Description
Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.
Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

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