Unwin Company ยท 2 days ago
Senior System Administrator
Columbus, Ohio Metropolitan Area
Full-time
Onsite
Senior Level
5+ years expUnwin Company is a respected federal government contractor supporting the Department of Energy (DOE) with a long-standing tradition of service and professionalism. They are looking for a Senior Systems Administrator to join their in-house IT team, where the role involves supporting and maintaining Windows and Linux server environments, managing various systems, and providing responsive support to users.
Responsibilities
Support and maintain our Windows and Linux server environments
Administer Active Directory, Exchange, and Microsoft 365
Manage VMware, storage systems, switches, and firewalls
Troubleshoot user issues and provide responsive support
Oversee system lifecycle: deployment, patching, upgrades, and retirement
Maintain hardware and software inventory
Support VoIP systems
Monitor logs, alerts, and security advisories
Work with vendors and support teams
Evaluate and recommend new tools and technologies
Create and improve documentation, standards, and processes
Support remote users with secure tools
Qualification
Required
5+ years of systems or network administration experience
Strong troubleshooting and problem ownership skills
Experience with Windows and Linux systems, networking, and firewalls
Comfortable working independently and as part of a team
Clear written and verbal communication skills
Positive, curious mindset and willingness to learn
Ability to obtain a DOE Q security clearance
Preferred
Active security clearance
Palo Alto firewall experience
Scripting or automation (PowerShell, Bash, etc.)
Web application development and SQL Server experience
OS deployment and software packaging
PKI (PIV/CAC)
Familiarity with NIST, DISA, CMMC, or similar standards
Benefits
Eligibility to participate in a company matching retirement savings plan
Group medical insurance
Health savings account
Ancillary insurance
Paid time off
Annual performance bonus program
Company
Unwin Company
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase