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- Tasks: Lead and optimise Microsoft Security technologies to enhance cyber defence.
- Company: Join a key client in the tech industry focused on security innovation.
- Benefits: Competitive daily rate, hybrid work model, and opportunity for professional growth.
- Why this job: Make a real impact on enterprise security while working with cutting-edge technology.
- Qualifications: Strong experience with Microsoft Security tools and excellent communication skills.
- Other info: Collaborative environment with opportunities for knowledge transfer and career advancement.
The predicted salary is between 50000 - 70000 £ per year.
i‑confidential is supporting a key client in the search for an experienced Security Operations Engineer (Microsoft 365) to strengthen their cyber defence capability and accelerate the adoption of Microsoft security technologies across their enterprise environment. This role blends technical leadership with hands‑on engineering, working at the heart of the client’s Cyber Operations function to uplift detection, response, and overall M365 security maturity.
Key Responsibilities
- Lead the configuration, optimisation and ongoing management of the Microsoft Security Stack, including Defender for Endpoint, Identity, Cloud and Office 365.
- Maintain, tune and operationalise Defender policies and alerts to ensure high‑quality detection and response.
- Provide flexible support across incident response, detection engineering and log enrichment workstreams.
- Ensure Microsoft security telemetry is fully integrated into the central SIEM.
- Support operational excellence through proactive policy management and threat analysis.
- Collaborate with Cyber Security, Infrastructure and IT teams across multiple regions.
- Present technical recommendations and security improvements to senior stakeholders.
Expected Deliverables
- M365 E5 security assessment, baseline and improvement roadmap.
- Alignment of M365 detections and configurations to MITRE ATT&CK.
- Integration of M365 detections into SOAR with defined automation and enrichment.
- Ongoing incident handling support (live or simulated).
- Completion of E5 security configuration optimisation.
- Engineering enhancements to support improved visibility, enrichment and integration.
- Knowledge‑transfer sessions with internal analysts and engineers.
- Final close‑out summary and recommendations.
Skills & Experience
- Strong experience configuring and managing Microsoft Security technologies in an enterprise environment.
- In‑depth knowledge of Defender, Sentinel, Entra ID (Azure AD) and Intune.
- Experience with alert triage, policy configuration, and threat analytics.
- Ability to work autonomously and take ownership of technical domains.
- Excellent communication skills and the ability to influence senior stakeholders.
- Experience working within cross‑functional or multi‑regional teams.
Microsoft 365 Security Engineer employer: i-confidential Limited
Contact Detail:
i-confidential Limited Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Microsoft 365 Security Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, especially those who work with Microsoft 365 security. A friendly chat can lead to insider info about job openings or even referrals that could give you a leg up.
✨Tip Number 2
Show off your skills! If you’ve got experience with Defender, Sentinel, or any of the other tools mentioned, consider creating a portfolio or a project that highlights your expertise. This can be a great conversation starter during interviews.
✨Tip Number 3
Prepare for the technical interview! Brush up on your knowledge of M365 security technologies and be ready to discuss how you've tackled challenges in past roles. We want to see how you think on your feet!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Microsoft 365 Security Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Microsoft 365 Security Engineer role. Highlight your experience with Microsoft Security technologies and any relevant projects you've worked on. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your background makes you a perfect fit. Don’t forget to mention specific experiences that relate to the key responsibilities listed in the job description.
Showcase Your Technical Skills: Since this role involves hands-on engineering, be sure to showcase your technical skills clearly. Mention your experience with Defender, Sentinel, and other Microsoft tools. We love seeing concrete examples of how you've used these technologies in past roles!
Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It helps us keep track of your application and ensures you don’t miss out on any important updates. Plus, it’s super easy!
How to prepare for a job interview at i-confidential Limited
✨Know Your Microsoft Security Stack
Make sure you brush up on your knowledge of the Microsoft Security technologies mentioned in the job description. Familiarise yourself with Defender for Endpoint, Identity, Cloud, and Office 365. Being able to discuss your hands-on experience with these tools will show that you're not just a theoretical expert but someone who can hit the ground running.
✨Prepare for Technical Questions
Expect to dive deep into technical scenarios during your interview. Prepare to discuss how you've configured and managed security policies, handled incident responses, and integrated telemetry into SIEM systems. Use specific examples from your past experiences to illustrate your problem-solving skills and technical expertise.
✨Showcase Your Communication Skills
Since the role involves presenting technical recommendations to senior stakeholders, practice articulating complex security concepts in simple terms. Think about how you can convey your ideas clearly and confidently, as this will demonstrate your ability to influence and collaborate effectively across teams.
✨Research the Company’s Cyber Operations
Before the interview, take some time to understand the company's current cyber operations and any recent news related to their security initiatives. This will not only help you tailor your answers but also show your genuine interest in the role and the organisation. Plus, it gives you a chance to ask insightful questions!
