Senior Systems Administrator

OHM Advisors•Ann Arbor, MI

About The Position

Come work for OHM Advisors, the Community Advancement firm. With the singular mission of Advancing Communities , our diverse 750+ team of professionals works collaboratively across multiple service areas in multiple states, including architecture, engineering, planning, surveying, and construction engineering. We are a team of experts with individual specialties working together, driven to make a difference through people-focused problem solving, design, and ideas. In everything we do, we put people first. We create places for communities of people that help solve a problem and drive them forward— advancing the whole community today and well into the future. What You Will Contribute to OHM Advisors The Senior Systems Administrator leads the design, implementation, and optimization of the organization’s on-premises and cloud infrastructure, including servers, network, storage systems, and enterprise applications. This role manages critical systems, oversees backups and data management, and ensures high availability and compliance. The Senior Systems Administrator guides and coach’s others, resolves escalated technical issues and supports IT projects and strategic initiatives. This position combines hands-on technical expertise with leadership and operational oversight.

Requirements

Talents/Strengths: Analytical problem-solving, hands-on technical skills, mentoring capability, collaboration, operational excellence, and a commitment to continuous learning
Responsibility Horizon: annual to biannual
Education: Bachelor’s degree in Information Technology, or a related field; equivalent experience
Experience: 5–8 years of systems administration experience; hands-on with servers, networks, backups, storage, and cloud systems
Skills: Strong proficiency in server, network, and storage administration with expertise in backup/recovery, AVD, and troubleshooting
Licensing: Relevant certifications preferred (e.g., Microsoft Azure Administrator, Windows Server Hybrid Administrator, CompTIA Network+, Server+).

Nice To Haves

Make technical decisions regarding server, network, storage, and enterprise application configurations.
Approve implementation of system updates, upgrades, and configuration changes for critical infrastructure and enterprise software
Guide and authorize others on escalated tasks, troubleshooting, and project execution

Responsibilities

System & Server Administration Maintain, monitor, and optimize servers, storage, and cloud infrastructure
Manage OS installation, updates, server provisioning, firmware, and performance/capacity optimization
Plan, approve, and implement installations or upgrades of critical software and enterprise applications
Configure and maintain Azure Virtual Desktop (AVD) environments
Networking & Directory Services Management Design, implement, and troubleshoot network infrastructure, firewalls, switches, and ISP connections
Manage Active Directory, domain controllers, DHCP/DNS, and group policies for security and efficiency
Resolve escalated network and directory issues and recommend operational improvements
Ensure high availability, compliance, and alignment with organizational IT standards
Backup & Data Management Oversee physical and virtual backups, recovery testing, and storage systems
Manage SAN storage, server storage, SQL databases, and storage architecture
Develop and maintain backup/recovery procedures aligned with business continuity requirements
Monitor and optimize storage performance, capacity, and reliability
Team Support, Tickets & Documentation Coach and support direct reports, fostering skill development
Assist with escalated tickets and provide hands-on resolution when needed
Maintain accurate system documentation and participate in technical system reviews
Collaborate with other IT teams to maintain secure and efficient infrastructure
Provide guidance and coaching to other IT members on complex technical tasks