System Administrator - Military veterans preferred

ManTech (


  full-time   employee

United States

Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved.

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement. Currently, ManTech is seeking a motivated, career and customer-oriented System Administrator to join our team in the Aberdeen Proving Ground, MD.

You will be part of an integrated technical team providing Post-Production Software Support(PPSS) for Army and Joint tactical communications systems. Working in our software development environment, you will have the opportunity to merge legacy systems and processes with cur?rent technology to provide premier support for the Army’s Tactical Network users.

Responsibilities include, but are not limited to:

  • Providing the essential software support for the Tactical network components including the con?figuration of the hardware devices and virtual machines, testing new software and designing the structure of the network.
  • Testing the Windows and Unix operating system software, networking software and computer hardware.
  • Providing support in resolving system / network issues with other teams.
  • Ensuring long-term requirements of systems operations and administration are included in the overall information systems planning of the organization.
  • Handling the installation, maintenance, configuration, and integrity of computer software.
  • Implementing operating system enhancements that will improve the reliability and performance of the system.
  • Administering, operating, managing, establishing, configuring, optimizing, and monitoring enterprise level applications and tools for monitoring management.
  • Administering network monitoring capabilities using government-provided monitoring tools (Orion SolarWinds, Microsoft SCOM, NetIQ AppManager) on large classified and unclassified network enterprises.
  • Assisting the government with planning, setup, deployment, upgrade, maintenance and migration of network monitoring capabilities on large network enterprises.
  • Providing technical expertise in troubleshooting alerts/incidents, resolving issues based on mission priorities and working with PMOs / vendors to obtain support as required.
  • Supporting the remediation of network vulnerabilities.
  • Leading other system administrators, directing and evaluating their activities.

Basic Qualifications:

  • Requires a Security + CE certification.
  • Must have knowledge of TCP/IP, information security / authorization profiles, or system administration of Unix and Windows systems.
  • Experience with Windows server systems administration, database management, general networking knowledge, basic understanding of Microsoft SQL and ability to troubleshoot / analyze data using information from multiple sources are required. Requires solid technical, communications and collaboration skills.
  • Requires solid understanding of large-scale data center and network architectures, monitoring and fault management.

Preferred Qualifications:

  • Operational knowledge of the software development lifecycle.
  • Experience in writing and performing software test plans / procedures.
  • Scripting or coding experience – PowerShell preferred.
  • Operational knowledge of Virtual Machine environments.
  • Experience with automated testing applications.
  • Strong technical documentation skills.
  • Good communication and time management.
  • Experience with military tactical communications systems is a plus.
  • Linux and / or Microsoft computing environment knowledge / expertise.


  • Requires a Bachelor's Degree or equivalent in related field and 3 to 5 years of relevant work experience.

Security Clearance Requirements:

  • Must be a U.S. Citizen with an Interim or Active Secret Security Clearance.

Physical Requirements:

  • The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.
  • Must be able to exchange accurate information in these situations.
  • The person in this position needs to occasionally move about inside the office.
  • The person in this position will need to be able to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer

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.