https://jobs.co.uk/job/principle-it-security-specialist-robert-half--28bce62a-2683-4c0e-8619-38119e0e473f RSS feed for Principle IT Security Specialist at Robert Half. en-gb Wed, 20 May 2026 14:46:20 GMT https://jobs.co.uk/job/principle-it-security-specialist-robert-half--28bce62a-2683-4c0e-8619-38119e0e473f https://jobs.co.uk/job/principle-it-security-specialist-robert-half--28bce62a-2683-4c0e-8619-38119e0e473f Wed, 20 May 2026 11:53:10 GMT Location: London | Salary: 80000.00-80000.00 Annual | Type: Permanent | Principle IT Security Specialist - London - Hybrid Working £80,000 - £105,000 (dependent on experience) + Equity and BenefitsHelp Build Europe''s Hypersonic CapabilityThis organisation is redefining what''s possible in European defence technology, delivering speed, resilience, and technological independence at a pace that sets a new standard. Operating as a small, elite, and highly capable team, it focuses on solving complex, high-impact problems quickly and effectively.They are seeking an Lead IT Security Specialist to join a talent-dense environment where every individual plays a critical role in shaping both technical direction and organisational capability. This is not a predefined role, it is an opportunity for a high-calibre security professional to take ownership of core security functions, with scope to evolve the position based on their strengths and expertise.The successful candidate will play a key role in strengthening security posture through SIEM ownership, incident response, and system hardening, directly contributing to Europe''s technological sovereignty.The RoleThe IT Security Specialist will:Design, build, and operate a centralised SIEM platform to aggregate and ... Permanent