CNO Systems and Network Engineer, Principal - Military veterans preferred

ManTech (


  full-time   employee

United States

Secure our Nation, Ignite your Future


  • Linux system and networking administration proficiency (CentOS / Debian)
  • Windows Active Directory/directory infrastructure management 
  • Proficiency with VMWare Enterprise technologies
  • L2/L3 networking fundamentals
  • Ability to troubleshoot complex issues related to applications, systems and networking 
  • Proficient with bash scripting
  • Provide proper level of documentation for network & systems
  • Work with and assist user base to identify and resolve issues/requests
  • Desktop/laptop support ? 


  • Experience administering Atlassian suite of tools (Jira, Crucible/Fisheye, Bitbucket, Confluence)
  • Experience with VoIP and VTC technologies
  • Experience with a wide variety of file systems
  • Active Secret government security clearance (or higher)

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time
  • Frequently communicates with co-workers, management, and customers. May involve delivering presentations, must be able to exchange accurate information in these situations

#LI - CD1

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.