ManTech International

System Administrator

ManTech International$77K — $128K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in a related field or equivalent experience.
  • Minimum 3 years of direct experience.
  • DoD 8570 compliance with IAT Level II or higher.
  • Technical competence in Microsoft Windows Server or Red Hat Enterprise Linux.
  • Experience with Hyper-V, VMware, and enterprise networking systems.

Responsibilities

  • Determine specifications and configuration requirements for hardware and software.
  • Execute patching and ensure system compliance.
  • Plan and troubleshoot Microsoft server installations across multi-network environments.
  • Support users in account management and enterprise applications.
  • Coordinate user account creation and modifications.
  • Manage user support and liaise with back shop admins for additional assistance.
  • Perform various hardware and software tasks as assigned.

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Short-term and long-term Disability
  • Retirement and Savings Plans
  • Learning and Development opportunities
  • Wellness programs
Full Job Description
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

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.

About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

Similar Jobs

More Jobs at ManTech International

  • ManTech International
    Combat Systems Analyst
    $62K — $103K *
    Norfolk, VA 23503 (Norfolk City County)
    Aerospace & Defense
    In-Person
  • ManTech International
    System Administrator
    $77K — $128K *
    Nellis Afb, NV 89191 (Clark County)
    Aerospace & Defense
    In-Person
  • ManTech International
    Cloud Security Engineer
    $141K — $236K *
    Herndon, VA 20171 (Fairfax County)
    Information Technology
    In-Person
  • ManTech International
    Principal Cloud Engineer
    $141K — $236K *
    Chantilly, VA 20152 (Loudoun County)
    Information Technology
    In-Person
  • ManTech International
    ServiceNow Developer
    $128K — $214K *
    California, MD 20619 (Saint Marys County)
    Enterprise Technology
    In-Person

More Aerospace & Defense Jobs

Find similar System Administrator jobs: