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# Senior IT Security Analyst

- **Company:** Synthomer plc.
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Microsoft Azure, Cloud Computing Security, Cyber Security, Data Security, Phishing, Web Application Security, Web Platforms, Cyber Threat Analysis
- **Published:** September 14, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=3a83698fc3fa14e1

## About the Role

We're interested in security professionals who combine strong technical expertise with a proactive, customer-focused mindset.

You'll ideally have:

 * Experience in an IT Security, Cyber Security or Information Security role
 * Hands-on experience with Microsoft 365 Security technologies
 * Knowledge of Microsoft Purview, DLP, Information Protection and Compliance tools
 * Experience administering Mimecast or similar email security platforms
 * Experience with endpoint protection and secure web gateway technologies
 * Understanding of Azure security controls and cloud security principles
 * Strong analytical, problem-solving and stakeholder management skills
 * A passion for staying ahead of the evolving threat landscape

## Description

As a Senior IT Security Analyst, you'll be at the heart of our security operations, working across a range of technologies and initiatives, including:

Managing and improving our security platforms and services

Administering key technologies including Microsoft 365 Security, Purview, Mimecast, Trellix, Defender and Skyhigh SWG

Investigating phishing attempts, security incidents and emerging cyber threats

Supporting cloud security, data protection and DLP initiatives

Acting as a trusted security partner to IT teams, external providers and business stakeholders

Driving security awareness and promoting best practice across the organisation

Contributing to security projects, audits and continuous improvement programmes, * Parental leave and family support - maternity, paternity, adoption (aligned with regional policies)

 * Working options - flexibility where it matters, based on role and business needs

 * Learning & development opportunities - training, online platforms, buddy/mentorship programs, Internal Synthomer University with L&D offers
 * Wellbeing support - employee assistance program (EAP), mental health resources, wellbeing initiatives
 * Retirement / pension contributions - plans vary by country