Security Engineer (MS Defender / AWS) Rate – Circa £500 per day (Inside IR35) Duration – 8 months / until July 2026 Location – Bristol / Bath area – once a week on site

We’re seeking a Security Engineer to support ongoing security operations while playing a key role in a major data centre migration. You’ll work across on-prem and AWS environments, collaborating with both internal stakeholders and third-party partners.

Responsibilities: Optimise and streamline security logs to reduce platform costs Review and enhance Zscaler and MS Defender configurations Strengthen and refine role-based access controls Support and validate security actions during a physical data centre move, ensuring alignment with external suppliers

Skills & Experience: Strong stakeholder management and adaptability Proficiency with MS Defender, MS Sentinel, Trellix, Zscaler Experience with log optimisation tools AWS experience