Senior IT Support & Security Engineer

Building secure,
scalable infrastructure

10+ years delivering robust IT environments across macOS, Windows, and cloud — from MDM migrations to endpoint security at scale.

Get in touch →

Currently available for new opportunities

Open to IT and security engineering roles in the following arrangements:

Contract Outside IR35 Inside IR35 Permanent Temporary
10+
Years experience
£50K
Annual savings secured
95%
SLA resolution rate

Expertise

◯
Endpoint management
Microsoft Intune, Hexnode, JAMF — full MDM lifecycle from tenant build to fleet compliance.
△
Security & compliance
Cyber Essentials, MFA rollout, IAM, EDR monitoring via CrowdStrike Falcon and RoboShadow, and patch management.
□
Cloud platforms
Google Workspace and Microsoft 365 administration, SSO, Okta, and Entra ID.
◆
AI-powered support
Deployed AI assistants using ChatGPT, Gemini, and Atlassian Rovo to automate first-line triage, documentation, and knowledge management.

Experience

Jan 2024 –
Present
Senior IT Support & Security Engineer
Airfinity Ltd
Led Intune tenant build and full MDM migration from Hexnode, managing 50–150 devices. Deployed Apple DEP, cutting setup time by 50%. Secured £50K in vendor savings. Delivered AI-powered support tooling and zero-downtime office relocation.
Microsoft IntuneApple DEPCyber EssentialsOkta SSOCrowdStrike FalconRoboShadow
May 2022 –
Jan 2024
IT Support Engineer
Cinch Cars Ltd
Contributed to M365 tenant-to-tenant migration. Managed Mac and Windows devices via JAMF and Intune. Administered Azure AD / Entra ID and provided AV support for hybrid meeting rooms.
JAMFEntra IDMicrosoft 365Crestron AV
Apr 2020 –
May 2022
Junior Infrastructure Engineer
ExCeL London
Level 1–2 support for 500+ users. Deployed 130+ laptops during COVID-19 lockdown. Managed on-premises Active Directory and mentored junior staff.
Active DirectoryManageEngineWindows Server
Apr 2016 –
Apr 2020
AV Technician / IT Support
ExCeL London
Installed Logitech Tap systems, migrated 150+ devices to Windows 10, and integrated Matterport for 3D virtual tours. Delivered 100% uptime during high-profile events.
AV SystemsWindows 10 MigrationMatterportCrowdStrike Falcon

Skills

Security

  • Microsoft Intune / MDM
  • Microsoft Defender
  • CrowdStrike Falcon
  • RoboShadow EDR
  • Cyber Essentials
  • 1Password / IAM
  • Patch Management

Platforms

  • Google Workspace
  • Microsoft 365
  • Okta / SSO
  • Unifi Networking
  • Jira / Atlassian
  • Apple Business Manager

Soft skills

  • Team mentorship
  • Vendor negotiation
  • SLA management
  • Documentation
  • Process automation

Let's work together

Open to contract (inside & outside IR35) and permanent roles. Based in Essex, UK — remote-friendly.

james@jameseaton.co.uk jameseaton.co.uk LinkedIn GitHub