Senior Systems Administrator

University of Dayton, Ohio • Dayton, OH

2d

About The Position

Position Summary: UDRI is seeking a skilled System Analyst & Team Lead to oversee the design, modernization, and operation of UDRI’s on-premises and Microsoft-based enterprise infrastructure. This role is responsible for leading a small technical team while ensuring reliability, security, and compliance across mission-critical systems including Active Directory, Microsoft 365 GCC High, Azure Government, and Hyper-V environments. The ideal candidate has strong leadership ability, deep expertise in Microsoft enterprise systems, and the ability to translate business needs into secure and scalable technical solutions.

Requirements

• Bachelor’s degree in IT, Computer Science, or a related field and three years of relevant experience.
• Active Security+ certification or ability to obtain within first six months of employment.
• Five or more years of experience administering Windows Server, Active Directory, GPO, and enterprise Microsoft systems.
• Experience with virtualization platforms (Hyper-V preferred).
• Strong understanding of Windows hardening, identity, authentication, and hybrid architecture.
• Experience implementing or supporting NIST SP 800-171 or similar federal cybersecurity frameworks.
• Excellent communication and technical documentation skills.
• Due to the requirements of our research contracts with the U.S. federal government, candidates for this position must be a U.S. person (i.e., a U.S. citizen, U.S. national, lawful permanent resident, asylee, or refugee).
• Valid driver’s license and low-risk driving record.

Nice To Haves

• Security+, CISSP, CASP+, or similar certifications.
• Experience with Microsoft 365 GCC High or Azure Government.
• Automation experience using PowerShell, DSC, or similar Windows-centric tools.
• Previous leadership or team-lead experience.

Responsibilities

• Serve as team lead for a group of 3–4 IT staff, including system administrators and helpdesk personnel.
• Architect, administer, and modernize Windows Server, Active Directory, Group Policy, and Microsoft 365 GCC High environments.
• Manage virtualization platforms including Hyper-V, VM lifecycle, performance, and capacity planning.
• Oversee enterprise server operations including patching, upgrades, lifecycle management, and automation.
• Develop technical documentation, architecture diagrams, and operational standards.
• Collaborate with cybersecurity to ensure compliance with NIST SP 800-171, CMMC Level 2, and DoD requirements.
• Lead advanced troubleshooting, incident response, and Tier 3 escalation support.
• Evaluate emerging Microsoft and on-premises technologies to drive modernization and reliability.
• Collect and translate business requirements into secure and scalable system designs.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1,001-5,000 employees