Senior Microsoft Security Engineer

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Join Our Client as a Microsoft Security Engineer – Defend, Innovate, Lead

Are you a cybersecurity expert ready to take on advanced security challenges within an award-winning MSSP? This is your opportunity to integrate, optimise, and innovate within Microsoft Sentinel, ensuring top-tier threat detection and security solutions for clients. As a Microsoft Security Engineer, you’ll play a crucial role in securing critical infrastructure, enhancing log integrations, and driving cutting-edge cybersecurity advancements.

• £60-80K per annum + bonus
• Medical insurance, pension & PDP (personal development plan)
• Hybrid in Maidenhead (Wednesdays compulsory in-office)
• Fully remote only if you live further than 80 miles away
• Travel to client meetings as required

Your Role: Securing and Optimising Microsoft Sentinel

You\’ll be responsible for end-to-end log integrations, optimising data ingestion, enhancing detection capabilities, and proactively refining security processes to strengthen client defenses.

Key Responsibilities

• Integrate log sources into Sentinel, ensuring seamless threat detection.
• Develop, troubleshoot & optimise data connectors, deploying Function Apps and refining code for efficiency.
• Validate log parsing, enhance existing parsers, and develop custom ingestion solutions.
• Optimise collected logs, managing event filtering for consumption and cost control.
• Document solution designs, creating technical processes and standardised procedures.
• Maintain & enhance DevOps pipelines, ensuring scalable security operations.
• Conduct Sentinel health checks, periodic maintenance, and fine-tune detection rules.
• Collaborate with Analysts and cybersecurity teams, refining detection strategies and reducing false positives.
• Analyse security logs from diverse sources, including cloud platforms, firewalls, EDR, IAM, VPN, and threat intelligence tools.

What We’re Looking For

Experience & Qualifications

• 5+ years of cybersecurity experience.
• 3+ years of Microsoft Sentinel design, implementation, and Linux administration.
• Deep expertise in security logs across identity, access, network, systems, applications, and cloud environments.
• Strong understanding of common attack vectors, threat actor tactics, and threat detection frameworks (e.g., MITRE ATT&CK).
• Proficiency in PowerShell, Python, and other scripting languages.

Technical Skills & Security Expertise

• Experience securing firewalls, IDS/IPS, web application firewalls, endpoint protection, and cloud security.
• Threat landscape awareness, ability to anticipate cyber threats and proactively mitigate risks.
• Advanced data analysis, security automation, and optimisation of detection processes.

Why You? Because You Bring…

Precision & strategic problem-solving, tackling complex security challenges.

Innovative cybersecurity thinking, improving detection and prevention capabilities.

Technical excellence, ensuring seamless Sentinel integration and security enhancements.

A collaborative spirit, working cross-functionally with security analysts and engineers.

Why Our Client? Because They Offer…

A leading MSSP, recognised for excellence in cybersecurity solutions.

A supportive learning environment, including PDPs and mentorship for certification growth.

Hybrid flexibility, balancing remote work with key collaborative in-office days.

Opportunities to work on high-impact security projects, strengthening cybersecurity worldwide.

Ready to shape the future of cybersecurity? Apply today and take your expertise to the next level!

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• Professional Services

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