Senior IT Systems & Identity Administrator

Christopher Jon Steiner

Eagan, MN ***** 612-***-**** ********@*****.*** LinkedIn: linkedin.com/in/chris-steiner-48111a55

Active Federal 6C Security Clearance

Professional Summary

Versatile and results-driven IT professional with over 10 years of experience in IT systems administration, Active Directory management, and enterprise-level technical support. Skilled in managing hybrid cloud environments, resolving escalated issues, and maintaining secure network infrastructures. Proven success implementing Azure and Intune solutions to enhance user access and security, automating administrative processes using PowerShell, and delivering outstanding end-user support across government and corporate sectors.

Skills & Technical Proficiencies

Operating Systems & Platforms: Windows 10/11, Windows Server 2012–2022, Linux (Ubuntu/Red Hat), macOS, VMware, Hyper-V, Citrix VDI

Directory & Identity Management: Active Directory, Azure AD / Entra ID, Group Policy, Intune / Endpoint Manager, Exchange Online, MFA, Conditional Access, SSO

Cloud & Virtualization: Azure (VMs, NSGs, Storage), AWS (EC2, S3, IAM, RDS), Office 365, Cloud Security & Compliance

Networking & Infrastructure: DNS, DHCP, VLANs, TCP/IP, VPN, Cisco IOS, LAN/WAN Troubleshooting, Firewall Rules

Support & ITSM Tools: ServiceNow, Jira, SolarWinds, Bomgar, RDP, TeamViewer, SCCM, PXE Imaging, Asset Management

Automation & Scripting: PowerShell, Python, Bash

Security & Compliance: Endpoint Protection, WSUS, SCCM Patch Mgmt, BitLocker, Encryption, Security+ Certified

Professional Tools: Microsoft 365 Suite, Teams, SharePoint, OneDrive, Zoom, WebEx, Slack, Printer/Hardware Setup

Professional Experience

Maximus – Minnesota

Active Directory Administrator 2018 – 2025

Administered Active Directory and Azure AD for 3,000+ users, managing groups, policies, and secure access.

Implemented Intune policies for mobile device management and app deployment.

Used PowerShell to automate user provisioning and daily administrative tasks, cutting manual work by 40%.

Leveraged Bomgar remote access and ServiceNow for Tier II–III issue resolution, resolving 95% of tickets within SLA.

Configured and maintained Azure VMs, network storage, and backups to ensure system reliability and security.

Maintech / Decision One – New Jersey, NJ

Network Administrator 2017 – 2018

Managed and optimized LAN/WAN networks, improving uptime and throughput.

Configured routers, switches, and VPN gateways to ensure secure remote access.

Performed firmware and driver updates to enhance network and system performance.

Diagnosed and resolved hardware, printer, and connectivity issues efficiently.

Documented network configurations and maintenance logs to support audits and compliance.

Education & Certifications

Associate Degree in Network Administration / Analyst Hennepin Technical College – Minnesota (2008)

Technology Training Program TechSkills – Bloomington, MN (2009)

Certifications: CompTIA A+, Network+, Security+, Active Federal 6C Clearance

Contact this candidate