About this role
Salary: £? - ? per year
Requirements
- Current, active SC security clearance
- Proven hands-on experience operating and managing Proofpoint Enterprise DLP in a complex enterprise environment
- Practical expertise in Proofpoint Email Security, DMARC, SPF, DKIM, and email authentication controls
- Experience configuring security policies, investigating alerts, managing exceptions, and following structured change control processes
- Knowledge of Microsoft 365 environments, Sentinel/SIEM integration, and technical documentation
Responsibilities
- Configure, deploy, and optimise data loss prevention policies to improve enforcement and reduce false positives
- Manage email protection controls, investigate security alerts, and strengthen defences against phishing, spoofing, and impersonation
- Review email relay, mail flow, exceptions, and SPF/DKIM/DMARC alignment, and progress appropriate enforcement measures
- Support onboarding, policy deployment, and ongoing improvements across the existing security environment
- Integrate security monitoring with Microsoft Sentinel and SIEM platforms, accounting for approximately 20% of the role
- Produce technical documentation and operating procedures, recommend automation, and transfer knowledge to permanent engineers
Technologies
- Flow
- Support
- Microsoft 365
- Security
- Office 365
More
We are offering a full-time, six-month Proofpoint DLP Engineer contract paying £600–£700 per day, outside IR35. The role supports a complex enterprise security environment and focuses on improving data protection, phishing prevention, and email authentication. It is mainly remote, with occasional visits to London, and involves collaboration with Microsoft 365, security operations, and information governance specialists. We are advertising this role on behalf of a third-party recruiter, who will process applications and handle applicants personal data on the basis of legitimate interest.
last updated 46 week of 2026