Sr. Microsoft Administrator and Network Engineer
Listed on 2026-04-23
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IT/Tech
IT Support, Systems Administrator, Network Administrator
This is either an on-site or hybrid role in Columbus, Ohio.
Sr. Microsoft Administrator & Network Engineer will serve as the primary technical owner for Microsoft infrastructure, network environments, and desktop support. This includes deep administration of Microsoft 365 (Exchange Online, Teams, SharePoint, Intune, Entra ), Windows Server, Active Directory, Single Sign-On (SSO) solutions, network design and management (firewalls, switches, VPN, wireless), Azure infrastructure, and end‑user desktop/laptop support. Reporting into the EVP of Data and IT and collaborating closely with data engineering, application teams, cybersecurity, operations, field teams, and business stakeholders, this role translates infrastructure and support needs into actionable solutions, leads technical execution, provides Tier 2 and Tier 3 support, and ensures high availability, security, performance, and excellent end‑user experience across all Microsoft and network systems.
We seek a proactive, hands‑on, execution‑oriented senior engineer with deep expertise in Microsoft technologies, enterprise networking, and desktop support, strong troubleshooting and project delivery skills, and a focus on delivering secure, reliable, and scalable technology solutions in a collaborative, fast‑paced environment.
Key Responsibilities Microsoft Platform Administration & Infrastructure ManagementOwn the administration, configuration, optimization, and security of the Microsoft 365 tenant, including Exchange Online, Microsoft 365 Business Standard, Teams, SharePoint, Intune, Entra, Microsoft 365 Copilot, Defender for Office 365, Power Automate, and related licensing and feature management.
Manage Windows Server environments (on‑premise and Azure VMs), Active Directory (domain services, Group Policy, OU structure), hybrid identity, and Single Sign‑On (SSO) solutions (Entra , SAML, OAuth, and federation).
Design, implement, and maintain network infrastructure including firewalls (e.g., Cisco, Fortinet, Palo Alto), switches, routers, VPN, SD‑WAN, wireless networks, and site‑to‑site connectivity.
Lead Microsoft and network‑related projects including migrations, system upgrades, security enhancements, Active Directory modernization, SSO implementations, and infrastructure optimization.
Ensure high availability, performance, and security of LAN, WAN, and remote access solutions supporting office, contact center, and field operations.
Provide Tier 2 desktop support for Windows endpoints, laptops, printers, and peripheral devices, including imaging, deployment, troubleshooting, and user assistance.
Implement and monitor network security controls, segmentation, threat detection, and compliance with cybersecurity best practices.
Troubleshoot complex network, Microsoft platform, and desktop issues (including Teams, Active Directory, SSO, and end‑user hardware/software problems), perform root‑cause analysis, and implement permanent solutions.
Manage patching, backup, disaster recovery, and business continuity processes for Microsoft, network, and desktop infrastructure.
Provide Tier 2 and Tier 3 support and escalation for Microsoft 365, Windows Server, Active Directory, Single Sign‑On, Teams, network, desktop/laptop issues, and infrastructure‑related helpdesk tickets.
Assist with Tier 2 incident resolution for end‑user desktop support, mentoring junior team members or helpdesk staff, and ensuring timely escalation to Tier 3 or vendors when needed.
Monitor system performance, capacity, licensing utilization (e.g., Microsoft 365 Business Standard, Teams Premium, Intune, Copilot), and security posture using tools such as Microsoft Defender, Azure Monitor, and network monitoring solutions.
Drive continuous improvement initiatives to reduce downtime, strengthen security, lower costs, improve Microsoft Teams adoption and user experience, optimize Active Directory and SSO configurations, and enhance desktop support efficiency.
Maintain accurate documentation including network diagrams, system configurations, Active Directory topology, SSO architecture, desktop imaging standards,…
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