> Markdown version of [/jobs/ext/4679730-security-engineer](https://www.wearedevelopers.com/jobs/ext/4679730-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Security Engineer

- **Company:** InvitISE Ltd
- **Location:** London, United Kingdom
- **Salary:** £60,000 - £92,000
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Domainkeys Identified Mail, Domain-Based Message Authentication Reporting and Conformance (DMARC), Python (Programming Language), Microsoft Security Essentials, Networking Basics, Windows PowerShell, Software Vulnerability Management, Scripting, Sender Policy Framework (SPF), Servicenow
- **Published:** November 12, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5961625851

## About the Role

* Proven experience with Microsoft security tooling, including Entra, Defender, Sentinel, Purview and M365 Security
 * Experience with Zscaler and general networking
 * Experience in vulnerability management, including SPF, DKIM and DMARC
 * Experience with email security and Palo Alto firewalls
 * PowerShell or Python scripting skills
 * ServiceNow experience for reporting, not patching
 * Solid technical security knowledge and proven experience in a similar role
 * CISSP certification or active progress toward it is a bonus
 * Networking certifications are highly desirable, including Security+, SC-200, AZ-500, CISSP or GCIH

## Description

* We validate and action escalations from our managed service provider
 * We approve security changes and incidents
 * We manage our Microsoft security tooling in-house
 * We handle our cyber mailbox and general security queries
 * We support day-to-day security operations and security projects

Technologies:

 * Support
 * PowerShell
 * Python
 * Security
 * ServiceNow
 * Network