Experience
Identity-first infrastructure, endpoint reliability, and automation across education, finance, and insurance.
IT Infrastructure Engineer specialising in endpoint and identity security. 8+ years stabilising Windows/macOS device fleets in education, finance, and insurance using Intune, Entra ID, Conditional Access, and automation to reduce risk and manual toil.
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Professional experience
Assistant Network Manager
The Totteridge Academy, London
Sept 2024 – June 2025
- •Stabilised core network across 600+ endpoints and improved uptime with proactive monitoring.
- •Led a small ICT team, standardising processes and training to cut ticket backlog.
- •Delivered Intune rollout, Windows 11 migration, and switch upgrades without disrupting teaching.
Lead IT Engineer (Contract)
Haberdashers' School, London
Oct 2023 – Mar 2024
- •Kept a WAN of 7,000+ endpoints reliable across multiple campuses with Extreme Networks and Sophos.
- •Ran MDM deployments and onboarding that reduced setup time for new devices/users.
- •Partnered with safeguarding/leadership teams to maintain compliant filtering and monitoring.
Second Line Engineer (Contract)
Clarus One Sourcing Services, London
Feb 2022 – June 2023
- •Supported Atlassian, Azure DevOps, and GitHub for distributed product teams with fast turnaround SLAs.
- •Overhauled documentation/KB articles to reduce repeat tickets and speed onboarding.
- •Simplified service desk workflows, improving first-response and resolution times.
IT Analyst (Contract)
The Ardonagh Group, London
May 2021 – Nov 2021
- •Supported ~900 international users across subsidiaries, keeping Citrix/365 environments stable.
- •Handled VIP support and incident escalation with clear communication and follow-up.
- •Improved monitoring with ControlUp to spot issues before they hit end users.
IT Support Team Lead & Engineer
Total Finance Corporate Services
Nov 2018 – Mar 2020
- •Led and mentored a small team, improving ticket triage and communication with trading floor teams.
- •Kept Bloomberg/Eikon and trading systems stable during Windows 10 migrations.
- •Rolled out process playbooks that reduced escalations and repeat incidents.
Freelance IT Consultant & Web Developer
Infinity Domain Solutions Ltd
2018 – Present (alongside contract roles)
- •IT consulting, infrastructure support and endpoint/security advice for SMEs.
- •Web projects (MMM Beauty, Tardi Group, etc.) including hosting, DNS, M365 integration and automation. See Projects for selected client and concept work.
- •Intune/MFA/security hardening for small businesses.
Contract & Support Roles
Various Organizations
2016 – 2018
- •Merlin Entertainments: supported EMEA POS rollouts and store openings.
- •Retail/finance clients: Windows 10 + EPOS/Bloomberg deployments without trading downtime.
- •Agency/education clients: mixed Mac/Windows support and SCCM/365 admin, documenting fixes for local teams.
Education
Professional Development
Ongoing
- •Ongoing professional development across identity, endpoint security, and automation toolchains.
Key Strengths
- •Securing and hardening device fleets around identity controls with clear baselines, monitoring, and compliance alignment.
- •Calm, direct communication with leadership and safeguarding/regulatory stakeholders.
- •Automation-first mindset: PowerShell, GitHub, and process playbooks to reduce friction and repeat incidents.
References
References available on request. Technical and managerial references are available from infrastructure leads and business owners.
Want the concise version?
Download the CV for a single-page summary, or explore the projects page for deeper context.
Reviewing this for a role or project? Email me at hello@dmitridoman.co.uk or connect on LinkedIn – I usually reply within one business day.