Senior Cyber Security Engineer

Senior Cyber Security Engineer

• Excellent opportunity for an experienced Cyber Security Engineer with MSP experience to join a high-performing team delivering security solutions across Microsoft technologies and supporting compliance frameworks.
• Full-time, permanent position based in London with hybrid working (3 days in office, 2 remote), offering up to £60,000 depending on experience.
• Immediate start available - candidates with hands-on Microsoft Security experience and relevant certifications are highly encouraged to apply.
• To apply, please email

Who are the client?
Our client is a recognised UK-based Managed Services Provider with strong accreditations and a reputation for excellence in technology and employee development. They are an IASME certification body and work with a broad client base across sectors to deliver robust cyber security strategies. The company is growing and offers an outstanding culture of innovation, development, and recognition.

What will you be doing?
This senior, client-facing cyber security position is ideal for someone who enjoys both technical implementation and supporting security frameworks such as Cyber Essentials. You will play a key role in deploying Microsoft security solutions and supporting client audits, assessments, and vulnerability remediation efforts.

Responsibilities include:

• Delivering Microsoft security technologies including Defender XDR, Sentinel, and Endpoint Detection & Response
• Supporting Cyber Essentials and Cyber Essentials Plus audits and assessments
• Acting as an escalation point for cyber incidents, security alerts, and engineering tasks
• Conducting vulnerability remediation and assessments (infrastructure and application level)
• Assisting with presales engagements and technical scoping
• Onboarding clients onto security management platforms
• Providing reporting, analytics, and technical support to clients and internal teams

What will you need?

• Minimum 2 years' experience in a cyber security role, ideally within an MSP
• Strong knowledge of Microsoft Defender suite and Sentinel SIEM
• Hands-on experience with Microsoft 365 cloud security
• Familiarity with EDR solutions (e.g., SentinelOne)
• Experience working with network security appliances (e.g., Cisco Meraki, Fortinet, WatchGuard)
• Excellent communication and client service skills
• Self-motivated and detail-oriented with strong problem-solving abilities

What would be desirable?

• Experience deploying Tenable or Qualys for vulnerability management
• Knowledge of email security tools (e.g., Mimecast, Egress)
• Understanding of Azure Firewall and Defender for Cloud/Cloud Apps
• Experience conducting offensive security/web application assessments
• Strong understanding of threat detection and incident response

Certifications (any of the following highly desirable):

• SC-200: Microsoft Certified - Security Operations Analyst Associate
• SC-300: Microsoft Certified - Identity and Access Administrator Associate
• AZ-500: Microsoft Certified - Azure Security Engineer Associate
• OSCP: Offensive Security Certified Professional

To Apply…
Please apply through this advert or send your CV directly to . By applying, you consent to your application being processed and submitted for this vacancy only.

KEY SKILLS - Cyber Security, MSP, Microsoft Defender, XDR, Sentinel, SIEM, EDR, SC-200, AZ-500, SC-300, OSCP, Microsoft 365 Security, Vulnerability Management, Cyber Essentials, Meraki, Fortinet, WatchGuard, Mimecast, Tenable, Qualys