System Administrator

General information

Requisition #

R69634

Locations

USA-NV-Nellis AFB

Posting Date

08/07/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented System Administrator to join our Air Force / Space team at Nellis AFB.

The successful candidate will act as a systems Administrator for the Partner Support Complex. This position provides technical support to support classified networks and associated operational personnel.

Responsibilities include, but are not limited to:

• Determining hardware, software, and systems specifications, and configuration requirements.
• Execution of the patching, fixing, and making all assigned systems compliant.
• Planning, installation, configuration, and troubleshooting of Microsoft Hyper V, Microsoft Server 2008 R2, Server 2012 R2, Server 2016, client products across multiple networks, and network storage.
• Provide support to users in the areas of account management, enterprise applications, desktop applications, and peripherals.
• May work closely with the ISSO for data transfers and media creation.
• Facilitate and coordinate user account creation and modification.
• Manage user support and coordinate with back shop administrators when additional assistance is required.
• Perform other hardware and software tasks as assigned.

Minimum Qualifications:

• Bachelor's degree in related discipline from an accredited college or university. 2 additional years of experience may be substituted for a degree.
• At least 3 years direct/related experience
• DoD 8570 compliance with Information Assurance Technical (IAT), Level II or higher
• Working technical competency in one or more of the following supported platforms: Microsoft Windows Server, Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems, forensic analysis/vulnerability assessment, Group Policy management and configuration.

Clearance Requirement:

• Must have a current/active Top-Secret Clearance with ability to obtain SCI access prior to start.
• A TS/SCI is required to start.
• Eligibility for access to Special Access Program Information
• Willingness to submit to a Polygraph.

Physical Requirements:

• The person in this position must be able to remain in a stationary position 50% of the time.
• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations."
• Must be able to regularly lift up to 50 lbs

The projected compensation range for this position is $77,200.00-$128,800.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.