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Senior IT Security Analyst

Lumentum

Towcester, England, United Kingdom Full time July 10, 2026
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Vacancy Description

It's fun to work in a company where people truly BELIEVE in what they're doing!

Role purpose

The postholder provides advanced technical security analysis, leads complex investigations, improves the maturity of security controls and advises stakeholders on cyber risk. The role combines hands-on security operations with control ownership, specialist guidance, assurance and continual improvement.

Role scope and level

  • Senior technical practitioner with authority to lead complex operational security work within agreed governance.
  • Responsible for risk-based recommendations, improvement of procedures and subject-matter advice for incidents, vulnerabilities, identity controls, data protection and security tooling.
  • Expected to coach colleagues, influence technical teams and translate threat, control and risk information into clear management updates.
  • Focuses on control maturity, assurance quality, repeatable pr...
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