Systems Administrator - Military veterans preferred

ManTech (


  full-time   employee

United States

Secure our Nation, Ignite your Future

ManTech is seeking a Systems Administrator (Windows) to join our team supporting our growing N programs in Stafford, VA.


As a Systems Administrator you will perform enterprise management and system administration functions for Linux, Windows, and Mac OS-based machines and provide software services support to development and test users on a large-scale network.


ManTech International Corporation provides innovative engineering and systems integration services that help our customers solve their toughest, most intractable problems. National defense and homeland security clients depend on our rapid, cost-effective development of adaptable, interoperable, integrated solutions that provide high performance in quick-response scenarios.


This position requires the ability to obtain and maintain a DoD Secret clearance.


General Responsibilities:


  • Build, configure and maintain Windows and Linux virtual machines to facilitate enterprise management, software acquisition and hosting
  • Provide software service support to end users requesting: cross-domain file transfers, software licenses, and software installation/activation support
  • Download, transfer and maintain software repositories, perform software asset management tasks, and maintain software asset metadata in software asset database
  • Monitor Atlassian JIRA for service requests and triage per established procedures
  • Collaborate with team members to design and implement a network environment supporting Linux, Windows and Mac OS
  • Integrate new technologies into existing production environment
  • Modify scripts as needed to automate repetitive tasks
  • Work with a team to troubleshoot software download and activation problems


Mandatory Skills Requirements:


  • Minimum five (5) years’ experience in Windows/Linux/MAC OS systems administration of hardware and software in support of developing and testing of Information Technology systems
  • Ability to obtain and maintain a DoD Secret clearance.
  • Proficiency in working with applicable network devices to include repeaters, bridges, routers, gateways, and hubs
  • Minimum five (5) years’ experience with computer networking protocols including, but not limited to TCP, IP, UDP, HTTP, DHCP, and DNS
  • Customer service experience and orientation, and attention to detail
  • Self-starter with positive attitude and team player
  • Demonstrated experience creating and managing virtual environments (VMWare ESX, Workstation)


Preferred Skills (not required):


  • Scripting experience a plus (Bash, Shell, Python, Perl)
  • Experience with VMWare environment
  • Security+ Certification


Physical requirements:


Must be able to remain in a stationary position 50%

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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