Windows Tier 3 Systems Administrator

Institute for Building Technology and Safety-posted 2 days ago

Full-time • Mid Level

Hybrid • Ashburn, VA

251-500 employees

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We are seeking a highly skilled and experienced Windows Tier 3 Systems Administrator to serve as a technical resource within our IT infrastructure team. This role is responsible for the monitoring and maintenance of key windows servers and software, and escalation support of Windows-based systems and services. The Tier 3 administrator plays a key role in maintaining high system availability, performing engineering audits, and upgrading, patching, and tuning applications.

Provide advanced troubleshooting and resolution for complex issues escalated from help desk and tier 1 systems administrators.
Administer, maintain, and optimize Windows Server environments (2016, 2019, 2022).
Manage Active Directory, including GPOs, OU structure, DNS, DHCP, and Group Policy troubleshooting.
Assist on infrastructure projects such as server upgrades, migrations, and patch management.
Monitor system performance, logs, and security using tools such as PRTG, Windows Event Viewer, and other third-party monitoring solutions.
Continually adjust monitoring parameters in PRTG to keep false alarms at a minimum.
Perform systems and software audits and produce reports as requested.
Manage virtualization platforms (e.g., Hyper-V, VMware) and associated virtual environments.
Automate repetitive tasks and streamline administration using PowerShell and other scripting tools.
Maintain MS 365 Druva backup and disaster recovery solution, ensuring data integrity and recovery readiness.
M365 SharePoint online support and configurations.
Implement and enforce IT security standards, policies, and best practices.
Collaborate with network, security, and application teams on cross-functional projects.
Document systems, configurations, and procedures thoroughly for operational continuity.
Monitor and execute all software assurance, SLPA, application software, and hardware warranty renewals utilizing the contracts portion of ServiceDesk for the IT department.
Update critical engineering systems software.
Build virtual servers for both Engineering and Development.
Replace faulty hardware.
Network and VPN troubleshooting.
Install driver and firmware updates.
Escalate to senior engineering staff as needed.
Manage and audit file servers.
Patch Sysprep images.
Manage vendor and circuit information for all sites.
Backup manager for SentinelOne portal and client updates.
Manage Offshore virtual machine collection.
Execute some systems migrations.

Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience.
5+ years of hands-on experience in Windows systems administration in an enterprise environment.
Deep understanding of Windows Server OS, Active Directory, DNS, DHCP, and file/print services.
Strong PowerShell scripting experience for automation and reporting.
Experience managing virtualization technologies (Hyper-V and/or VMware).
Solid knowledge of backup technologies and disaster recovery planning.
Strong troubleshooting skills and the ability to work under pressure in a fast-paced environment.
Ability to learn and adapt to rapidly changing IT needs.

Certifications such as Microsoft Certified: Windows Server Hybrid Administrator Associate, MCSA, MCSE, or equivalent experience.
Experience with Microsoft Azure or other cloud platforms.
Exposure with security and compliance frameworks (e.g., NIST, HIPAA, ISO).
Experience with enterprise monitoring tools (e.g., SolarWinds, SCOM).
Exposure to configuration management tools (e.g., SCCM, Intune).

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