Network Administrator

Mantech International Corporation Chantilly , VA 22022

Posted 3 months ago

Secure our Nation, Ignite your Future

ManTech is seeking a motivated, mission-oriented Network Administrator in the Chantilly, VA area, with strong customer relationships. As a Senior Principal Network Administrator on our ICON team, you will be responsible for working as part of a small focused technical team to test, maintain, implement and deliver our solution.

Duties include document, implement, troubleshoot, maintain, and test our Cloud Gateway and associated projects. Key technology areas include, CISCO, MPLS/BGP, routing, switching, SDN/NFV, and TACLANE encryption devices. The ideal candidate will also possess experience with system verification and testing; patch management; issue and problem management; COMSEC; Zero Trust Networking; Infrastructure as Code; RMF/JSIG assessment and authorization.

The Network Administrator will:

  • Conduct monthly patching on the Cloud Gateway

  • Perform system operability verification tests.

  • As part of the team help maintain documentation to include system configuration, knowledge base, operation guides and standard operating procedures.

  • Interact with and help the onboarding of connections/customers to the Cloud Gateway.

  • Participate in preparing the Cloud Gateway architecture for assessment and authorization.

  • Participate in technical exchange meetings with other technical professionals

  • Assist the Network Engineers with conducting research and troubleshooting.

  • Develop and document network administration standard operating procedures.

  • Install, configure, troubleshoot, and maintain the elements that comprise the Cloud Gateway

  • Collaborate with team members to maintain consistency in design and implementation, as well as ensuring environment stability and providing notification of issues/concerns

  • Create and modify scripts to automate tasks

  • Work under general direction, with limited supervision

Positions Requirements:

  • Requires Bachelor's degree and 10+ years of related experience

  • Extensive experience with MS Office, Excel, Word, Visio, and PowerPoint

  • Experience with scripting languages

  • Experience with Elasticsearch



For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

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.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.

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