Senior System Administrator
Unwin Company
Full-time
Hilliard, OH
Job description
POSITION ANNOUNCEMENT: Senior System Administrator
Location: Hilliard, OH (On-site)
Reports to: Unwin Company IT Manager
Opening Period: Until filled
Start Date: Immediately
Salary Range: Top pay for exceptionally qualified candidate
Position Information: Full-time, permanent with full benefits
About the Employer: Unwin Company is a respected federal government contractor supporting the Department of Energy (DOE) with a long-standing tradition of service and professionalism. Unwin offers a very competitive compensation package that includes eligibility to participate in a company matching retirement savings plan, group medical insurance, health savings account, ancillary insurance and paid time off. This position will also be eligible for an annual performance bonus program.
Duty Location: Duty location is on site in Hilliard, Ohio. The position may require limited official travel estimated at 10 percent or less.
General Duties and Responsibilities: Unwin Company is looking for a Senior Systems Administrator to join our small, highly capable, in-house IT team. This is a hands-on role where you’ll have real ownership of systems, direct impact on users, and a voice in how our environment evolves.
You’ll manage and improve our infrastructure, support end users, and help us stay secure, reliable, and modern. If you enjoy variety, autonomy, and solving real problems, this role will suit you well.
What You’ll Do:
· 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
What We’re Looking For (Required_:
o 5+ years of systems or network administration experience
o Strong troubleshooting and problem ownership skills
o Experience with Windows and Linux systems
o Comfortable working independently and as part of a team
o Clear written and verbal communication skills
o Positive, curious mindset and willingness to learn
o Ability to obtain a DOE Q security clearance
o Must pass pre-employment screening including background check and drug testing (Federal clearance does not allow for medical or recreational cannabis use)
Nice to Have (but not required):
o Active Top Secret or Q clearance
o Palo Alto firewall experience
o Scripting or automation (PowerShell, Bash, Python, etc.)
o IIS and SQL Server experience
o OS deployment and software packaging
o PKI (certificates/smartcards)
o Familiarity with NIST, DISA, CMMC, or similar standards
To Apply: For consideration please apply with your cover letter, resume and salary requirements. We are an Equal Opportunity Employer.
Job Type: Full-time
Pay: $115,000.00 - $125,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Health insurance
- Health savings account
- Life insurance
- Paid time off
Ability to Commute:
- Hilliard, OH 43026 (Required)
Work Location: In person