08/25/2026 updated

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Cybersecurity & IT Operations | SOC, Defender, Sentinel, M365, Entra ID, Endpoint & Cloud

Roma, Italy
Worldwide
BSc Computer Science
Roma, Italy
Worldwide
BSc Computer Science

Profile attachments

Tristan Brynildsen CV Aug26.docx

Active DirectoryMicrosoft AzureCloud EngineeringDesktop SupportMobile Device ManagementDevice ManagementInformation Technology OperationsWindows ServersCloud ServicesVulnerability ManagementMicrosoft InTuneMicrosoft TeamsMicrosoft SentinelFortinet
I am an IT Infrastructure, Systems Administration and IT Operations professional with over 15 years of experience delivering enterprise IT support, Microsoft infrastructure, cloud services and cybersecurity solutions.

My expertise includes Microsoft 365, Microsoft Azure, Microsoft Entra ID (Azure AD), Microsoft Intune, Active Directory, Windows Server, Exchange Online, SharePoint Online, Microsoft Teams, Microsoft Teams Rooms, Microsoft Defender, Microsoft Sentinel, Group Policy, Conditional Access, Multi-Factor Authentication (MFA), Identity and Access Management (IAM), Endpoint Management and Mobile Device Management (MDM).
I have extensive experience providing Tier 1–3 IT support, desktop support, systems administration, endpoint deployment, laptop provisioning, user onboarding and offboarding, troubleshooting Windows, macOS, iOS and Android devices, printer and peripheral support, Microsoft 365 administration, and executive user support.

My infrastructure experience includes Azure Virtual Machines, Hyper-V, enterprise networking, LAN, WAN, Wi-Fi, VPN, DNS, DHCP, TCP/IP, Fortinet, Cisco, Ubiquiti, HPE and Extreme Networks. I have designed, deployed and supported Microsoft-based infrastructure for small businesses through to international organisations.
In cybersecurity, I have worked extensively with Microsoft Sentinel, Microsoft Defender for Endpoint, Microsoft Defender XDR, Microsoft Defender for Office 365, Microsoft Defender for Identity, Microsoft Defender for Cloud Apps, Microsoft Intune Security Management, incident investigation, threat analysis, security monitoring, vulnerability management, security hardening, endpoint security, conditional access policies and security operations.

I have successfully delivered Microsoft 365 migrations, SharePoint Online migrations, Azure deployments, infrastructure upgrades, endpoint rollouts, networking projects and Microsoft Teams Rooms implementations. I also have experience producing technical documentation, operational procedures, mentoring technical staff, coordinating projects and working directly with customers and stakeholders to deliver reliable IT solutions.

I am particularly interested in opportunities involving IT Infrastructure, Microsoft Technologies, Cloud Engineering, Systems Administration, IT Operations, Technical Support, Platform Operations, Azure Administration, Endpoint Management and Cybersecurity.

Experience

Professional experience10+ years
Freelancer since2026

Languages

EnglishNative speakerItalianBasic knowledge

Certificates

Security+

CompTIA

2025

AZ-500

Microsoft

2025

SC-100

Microsoft

2025


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