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IT Support Engineer / Service Desk Engineer (2nd line)

London, UK · Remote Full-time Clearance: Security Cleared (SC)
Application Support EngineerSystems Administrator1st & 2nd line supportCyber Security EngineerSecurity EngineerCloud EngineerSystems Engineer

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Job Title: IT Support Engineer (2nd Line / Security Focused)
Reporting To: IT & InfoSec Manager
Location: London (Hammersmith) – Office-based (Mon–Thurs, 9:00 AM – 5:00 PM)
            Remote - Friday (9:00 AM - 5:00PM)

Role Overview
We are seeking a security-minded IT Support Engineer to manage our day-to-day service desk operations and support our cloud infrastructure. Reporting directly to the IT & InfoSec Manager and working alongside a Senior Engineer, you will manage 1st, 2nd and some 3rd line support issues, deliver end-user software training, work within larger projects and enforce robust security controls across our Microsoft 365 and Azure environments.

Key Responsibilities

  • Helpdesk Operations: Triage, manage, and resolve daily 1st  2nd and some 3rd line support tickets, escalating high-level infrastructure or complex security incidents to senior staff.

  • M365 & Azure Security Administration: Manage user lifecycles, Conditional Access policies, role-based access controls (RBAC), and group management across Microsoft 365 and Entra ID (Azure AD).

  • InfoSec & Compliance Support: Assist the IT & InfoSec Manager with security posture management—monitoring security alerts (Microsoft Defender), enforcing Intune endpoint compliance, overseeing patch management, and supporting audit readiness.

  • User Training & Security Awareness: Onboard new starters and deliver ad-hoc user training on cyber hygiene, security best practices, and daily software tool usage.

  • On-Site Technical Support: Provide hands-on hardware setups, local network troubleshooting, and physical workspace support at our Hammersmith office location.

Qualifications & Experience

Category

Requirements

Security Clearances

Must hold or be eligible to obtain UK Security Check (SC) clearance (requires minimum 5 years continuous UK residency).

Technical Skills

2nd-line administration of Microsoft 365, Entra ID (Azure AD), Intune, Conditional Access, Defender, Azure services. Google Workspace desirable

Work Environment

Proven track record working in high-security, defense, or heavily regulated environments with strict governance standards.

Working Style

Independent and self-directed on daily tickets, with high security awareness and a collaborative mindset when reporting to leadership.

 

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