Senior Systems Administrator

Senior Systems Administrator – OHM Advisors

OHM Advisors is a Community Advancement firm focused on Advancing Communities
. With a 750+ team of professionals across multiple states, we deliver architectural, engineering, planning, surveying, and construction engineering services. We are dedicated to people‑first solutions and create environments that help communities thrive.

The Senior Systems Administrator leads the design, implementation, and optimization of our on‑premises and cloud infrastructure. This role manages critical systems, oversees backups and data management, and maintains high availability and compliance. You will coach and guide others, resolve technical escalations, and support IT projects and strategic initiatives.

• Maintain, monitor, and optimize servers, storage, and cloud infrastructure.
• Install, update, and provision operating systems; manage firmware and performance/capacity optimization.
• Plan, approve, and implement critical software and enterprise application upgrades.
• Configure and maintain Azure Virtual Desktop (AVD) environments.
• Design, implement, and troubleshoot network infrastructure, firewalls, switches, and ISP connections.
• Manage Active Directory, domain controllers, DHCP/DNS, and group policies.
• Resolve escalated network and directory issues and recommend operational improvements.
• Ensure high availability, compliance, and alignment with IT standards.
• Oversee physical and virtual backups, recovery testing, and storage systems.
• Manage SAN storage, server storage, and SQL databases.
• Develop and maintain backup/recovery procedures aligned with business continuity.
• Coach and support direct reports; provide hands‑on resolution for escalated tickets.
• Maintain accurate system documentation and collaborate with other IT teams.

• Analytical problem‑solving, hands‑on technical skills, mentoring capability, collaboration, and operational excellence.
• Responsibility horizon: annual to biannual.
• Bachelor’s degree in Information Technology or a related field; equivalent experience.
• 5–8 years of systems administration experience with servers, networks, backups, storage, and cloud systems.
• Strong proficiency in server, network, and storage administration, including backup/recovery, AVD, and troubleshooting.
• Preferred certifications:
  Microsoft Azure Administrator, Windows Server Hybrid Administrator, CompTIA Network+, Server+.

• Make technical decisions for servers, networks, storage, and enterprise applications.
• Approve implementation of system updates, upgrades, and configuration changes.
• Guide and authorize others on escalated tasks, troubleshooting, and project execution.

• BCBSM Medical, Dental and Vision
• Company Profit Sharing
• Flexible Spending & Health Savings Accounts
• 401(k) retirement savings plan with employer matching
• Paid professional association membership
• Tuition & Certification Expense reimbursement
• Volunteer Service Leave
• 100% Employer‑Paid Life Insurance
• Short & Long‑Term Disability Options

• Voluntary Wellness Program
• OHM Grad School
• OHM University

• Seniority level:
  Mid‑Senior
• Employment type:
  
  Full‑time
• Job function:
  Information Technology
• Industry: Architecture and Planning

OHM Advisors is an Equal Opportunity Employer (EOE). All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.