Description
Req ID: 159
Job Title: Systems Administrator
Location: Columbus OH US
Organization Unity: MATI
Date Opened: 12/16/2025
Job Type: Full-time
Category: Information Technology
Education: Bachelor's Degree
Description: Systems Administrator
Columbus, OH
MANDEX currently has a need for a Systems Administrator to join our IESS (Integrated Electronic Security Systems) team based in Columbus, OH. The Systems Administrator will provide an integral role within the Sustainment team.
Your future duties and responsibilities:
The Systems Administrator manages the day-to-day operations by monitoring system performance, configuration, maintenance, and repair. Ensures that records of system downtime and equipment inventory are properly maintained. Trains staff in how to use software and hardware. Performs troubleshooting as required. Establishes, maintains, and manages user accounts. Installs, modifies, and maintains systems and utility software. Diagnoses and recommends fixes to problems or potential problems with the ESS, including all hardware, software, including all subcomponents of the system. Ensures the stable operation of the computer software systems and network connections. This includes planning, developing, installing, configuring, maintaining, supporting, and optimizing all software. Analyzes and resolves software program and connectivity issues. Installs, configures, and maintains hardware and software. Assists in system design, development, and implementation.
Required qualifications to be successful in this role:
- Minimum of seven years of overall professional experience in the systems administration field.
- Five years of overall experience in Microsoft Windows client and server operating systems.
- Minimum five (5) years of experience with electronic security systems, specifically hands-on experience in installing, configuring, maintaining, and resolving issues with Intrusion Detection Systems, Access Control Systems and Closed Caption TV, specifically with Lenel OnGuard.
- Must be willing and able to travel at least 10%
- High School diploma or GED.
- Four (4) year degree in Information Technology, Computer Science, or related field.
- Lenel OnGuard Certified Expert (LCE) certification.
- Certification that meets DoD 8570.01-M IAT-II Information Assurance Technical (IAT) and Computing Environment certifications.
SECURITY:
- Must be eligible for, or able to obtain, a Secret clearance.
- Must be a U.S. Citizen.
What you can expect from us:
MANDEX, Inc has over 50 years of experience in all facets of information technology including systems engineering; systems testing; systems design and implementation; cybersecurity and information assurance; electronic and physical security; as well as logistics and warehousing.
MANDEX, Inc. is a collaborative, mission-driven organization where professional advancement, supportive leadership, and an inclusive culture are the core of everything we do! Come work with us!
Benefits we offer:
- Health insurance
- Vision insurance
- Dental insurance
- Paid time off
- Tuition reimbursement
- Employee assistance program
- Short-term disability
- Long-term disability
- Health savings account
- Flexible spending accounts
- Basic Life & Disability insurances
- Voluntary AD&D Insurance
- Voluntary Accident Insurance
- Voluntary Critical Illness Insurance
- 401(k) Retirement Plan (MANDEX, Inc offer pre-tax and post-tax Roth contributions, and match 100% of the first 6% elected contribution)
Additional Information
- Interview Round 1
- Interview Round 2
- Background Checks & Drug Screening
- Offer Letter
- Your NEXT big challenge begins
MANDEX, Inc. is an Equal Employment Opportunity employer and does not discriminate on the basis of race, national origin, gender, sexual orientation, disability, veterans' status, age, or other legally protected status.
MANDEX Inc. reserves the right to perform background screening and drug testing prior to extending offers of employment.
MANDEX attracts and retains smart and motivated professionals in the government contracting industry. We offer competitive salaries and excellent benefits packages, including a matched 401(k) plan.

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