IT Security Engineer (On-Site)

Company: Spectrum IT Recruitment
Apply for the IT Security Engineer (On-Site)
Location: Southend on Sea
Job Description:

Looking to take ownership of security in a business where your impact is visible?

We’re working with a well-established, technology-led organisation who are investing in their cyber capability and looking for an IT Security Engineer to play a key role in protecting their systems, infrastructure, and data.

This is a hands‑on position where you’ll lead on threat detection, incident response, and continuous security improvement across the business.

What You’ll Be Doing

  • Monitoring and analysing security events (SIEM, endpoints, networks)
  • Investigating incidents, performing root cause analysis and remediation
  • Identifying vulnerabilities and driving proactive security improvements
  • Acting as the go‑to escalation point for security issues
  • Supporting compliance with security standards and best practice
  • Working closely with IT and wider teams to embed security across systems

What We’re Looking For

  • Experience in a cybersecurity / IT security role
  • Strong knowledge of security tools (SIEM (Sentinel), EDR/XDR, firewalls, IDS)
  • Experience working in a SOC/NOC or similar environment
  • Good understanding of security frameworks (ISO 27001, NIST, GDPR etc.)
  • Ability to investigate threats and respond to incidents effectively
  • Security certifications (Security+, CEH, CISM, CISA)
  • Scripting/automation experience (e.g. PowerShell)

What’s On Offer

  • Up to £65,000 salary
  • Flexitime + early Friday finish
  • 24 days holiday + bank holidays
  • Pension (6‑7%), life assurance & sick pay

If you’re looking for a role where you can own security, influence strategy, and make a real impact, this is well worth a conversation.

Security Clearance is required for this role – applicants need to be eligible for clearance.

Hit apply to upload your CV or contact SteveWright@SpectrumIT.co.uk.

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Posted: May 25th, 2026