Help Desk 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.

ManTech is seeking a motivated, mission- oriented Help Desk System Administrator in the Chantilly, VA area to provide unparalleled support to our customer. Positions within this large intelligence community program will cover the full life-cycle of development, enhancements and maintenance of a suite of critical customer applications and infrastructure across the development, test/staging, and production environments.  The program offers many opportunities for career growth and variety from technical experiences to team lead and management opportunities.

Responsibilities include, but are not limited to:

  • Maintain data files and control procedures for a system of networked computers or for a single group of microcomputers linked to a host workstation, or mainframe

  • Maintain system security and data integrity

  • Assign passwords and monitor use of resources, back up files as required and work with management to define requests for information Requires in-depth knowledge and experience

  • Uses best practices and knowledge of internal or external business issues to improve products or services

  • Solves complex problems; takes a new perspective using existing solutions

  • Works independently, receives minimal guidance

  • Acts as a resource for colleagues with less experience

  • Requires conceptual and practical expertise in own area and general knowledge of related areas

  • Has knowledge of best practices and how own area integrates with others; is aware of the competition and the factors that differentiate the company in the market

  • Acts as a resource for other team members; may lead projects with limited risks and resource requirements

  • Solves complex problems by taking a new perspective on existing solutions; exercises judgment based on the analysis of multiple sources of information

  • Impacts a range of customer, operational, project or service activities within own team and other related teams; works within broad guidelines and policies

  • Explains complex, difficult and/or sensitive information; works to build consensus

Basic Qualifications:

  • Experience with administering Windows and Linux operating systems.  

  • Security Plus certification or equivalent.

Minimum Education Required:

·         Bachelor's Degree; OR Associate's Degree and 2 years' experience is acceptable in lieu of Bachelor's degree; OR High School and 4 years' experience is acceptable in lieu of Bachelor's degree.

4 years' experience desired / 4 years' experience credit allowed for PhD degree / 2 years' experience credit allowed for Master's degree

Preferred Qualifications:

  • Experience with cloud environments (AWS - C2S), including VPC configurations. 

  • Experience with Oracle, MS SQL, Ansible, Puppet, Docker, Tomcat, Tuxedo, Weblogic, Git, Apache Http Server, Momentum (or other ERP system), Cognos, Certent DCM. 

  • Experience with managing PKI infrastructure. 

  • Experience supporting high volume help desk

Security Clearance Requirements:

Current TS/SCI clearance with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position 50%.

  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

  • 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.

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.