Senior Systems Administrator in Dayton, Ohio at University of Dayton

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.
Key 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.

• Bachelor’s degree in IT, Computer Science, or a related field and 6 years of relevant experience OR Maters and 5 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.

While not everyone may possess all of the preferred qualifications, the ideal candidate will bring many of the following:

• 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.

To apply please submit a cover letter addressing each minimum qualification and any applicable preferred qualifications that you meet.

Informed by its Catholic and Marianist mission, the University is committed to the dignity of every human being. Informed by this commitment, we seek to increase diversity in all of its forms, achieve fair outcomes, and model inclusion across our campus community. The University is committed to policies of affirmative action designed to increase the employment opportunities of individuals with disabilities and protected veterans in compliance with the Rehabilitation Act of 1973 and Vietnam Era Veterans' Readjustment Assistance Act of 1973.