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Security Assistant Job in UK – Hybrid Role at Engineering Firm

Assystem

Active
  • On-site
  • Salary not specified

Posted September 16, 2026 · Closes September 16, 2027

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Job Description

About Assystem

Assystem is a leading independent nuclear engineering firm with over 60 years of experience supporting complex, safety-critical infrastructure projects. Operating across 13 countries, the company mobilizes around 8,000 experts in engineering, project management, and digital solutions for highly regulated sectors.

Role Overview

As a Security Assistant, the successful candidate will support Assystem’s Personnel Security activities, focusing on security vetting, aftercare, and compliance. Reporting to the Personnel Security Manager, this hybrid role (2–3 days per week in the Bolton office) ensures that staff and contractors meet required security clearance standards while maintaining robust personnel security controls.

This position is ideal for a reliable, self-motivated individual with strong organizational skills and a methodical approach to handling sensitive information.

Key Responsibilities as Security Assistant

  • Process vetting applications for staff and contractors, providing guidance on all vetting types
  • Monitor security clearances and ensure timely renewals
  • Communicate updates to vetting policies and procedures
  • Liaise with external agencies and verify internal/external clearances
  • Conduct thorough checks and maintain effective Personnel Security controls
  • Act as the primary contact for vetting and security enquiries, handling data in line with protection requirements
  • Support security incident reporting, follow-up actions, and lessons learned
  • Provide security support for key projects
  • Manage site-specific security duties, including issuing site passes
  • Assist the wider Security Department with communications and awareness campaigns

Shift Pattern & Pay

  • Location: Bolton, United Kingdom
  • Working pattern: Hybrid – 2–3 days per week on site
  • Contract type: Permanent / Support Functions

(Specific salary and hours are not disclosed in the original posting.)

Start Your Career With Assystem

Join a company that values integrity, expertise, and collaboration. At Assystem, diverse perspectives drive innovative solutions for some of the world’s most critical engineering challenges. Whether building a career in security or advancing existing expertise, this role offers meaningful impact in a safety-first culture.

Apply now to become a Security Assistant with Assystem and help safeguard personnel and projects across complex, regulated environments.

Physical stamina for early morning and manual work
(Not applicable to this office-based security role; included per request.)

A commitment to high standards of hygiene and safety
(Relevant to overall workplace safety culture, though not a core duty for this position.)

 

Requirements

  • Proficient user of Microsoft Office, particularly Word and Excel Previous experience in a similar security role (desirable) DISA Training (desirable) Reliable, dependable, and self-motivated Honest, trustworthy, and well organized Able to meet deadlines, prioritize workload, and work methodically Capable of obtaining and maintaining the appropriate UK security clearance (minimum SC level if not already cleared) Note: Due to the nature of the work, applicants must meet specific UK residency criteria to attain the required security clearance.

Benefits

  • Inclusive and supportive team environment Commitment to diversity, equity, and innovation Opportunities to contribute to high-impact, strategic infrastructure projects Career development within a global engineering organization     
Apply on Original Website →

You will be taken to the employer's own website to complete your application.

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