Principal Systems Engineer - Military veterans preferred

ManTech (


  full-time   employee

District of Columbia
United States

Secure our Nation, Ignite your Future


ManTech is seeking a motivated, mission oriented Systems Engineer in the Washington, DC area with strong customer relationships. ManTech is looking for a well-rounded Lead Systems Engineer to be a performer on a small team of three IT professionals.  This team will implement and maintain a technical refresh of a secure information sharing system utilized by a program management office (PMO) and its customer sites. 

Responsibilities include:

  • Provides analysis related to the design, development, and integration of hardware, software, and all system level requirements to provide an integrated IT solution.
  • Directs overall system level testing.
  • Provide IT and systems engineering support to analyze system problems
  • Perform and document concept and requirements analyses in support of system refreshment and upgrades.
  • Plan, conduct, and participate in requirements reviews.
  • Review change and enhancement requests to determine feasibility, system impacts, and cost and time estimates to implement requests.
  • Prepare, maintain, and update software and system design documentation.
  • Provide on-site expert scheduling expertise to create, update, and maintain O&M schedules across the System of Services.
  • Scheduling shall include the maintenance of a comprehensive System of Services schedule depicting all supported systems, as well as tactical schedules as needed.
  • Monitor all O&M schedules, providing input on potential date slips, conflicts, opportunities, and improvements.

Responsibilities include, but are not limited to:

  • Identify and diagnose complex performance, security, and technical issues
  • Design, engineer, and implement secure technical upgrades
  • Support the development of cyber security, NIST 800 series paperwork
  • Implement and maintain DISA STIG requirements
  • Maintain physical back-end and virtual servers
  • Maintain virtual desktop infrastructure (Microsoft Hyper-V via RDS)
  • Maintain Cisco infrastructure

Position requirements:

  • Bachelors degree in an IT related field and 8 years of IT related experience
  • Current DODD 8140/8570 IATII certification (or higher) required (e.g., CCNA Security, Security+CE, GICSP, GSEC, SSCP, etc)
  • MCSE or another relevant current Operating System certification
  • Experience with Windows Server 2012 R2, Hyper-V, Active Directory, SAN,SQL 2008 or 2012
  • Understanding of HP data storage (HPE StoreVirtual, iSCSI)
  • Experience maintaining teleconferencing infrastructure (Cisco)
  • Ability to work earlier customer hours (e.g., 0700-1500) at primary site in NW DC
  • Ability to travel to CONUS secondary sites, should not exceed 10% annually
  • Valid US drivers license

Desired skills:

  • CASP, CISA, CISSP, GCED, or GCIH certifications
  • Experience with Cisco IOS
  • Experience with Windows Server 2016, SQL 2016, SharePoint 2016,and other related technologies
  • Experience supporting Risk Management Framework (RMF) and Splunk
  • Experience developing IT checklists, SOPs, guides, etc.
  • Experience supporting IT acquisitions and logistics

Security Requirements:

Current TS clearance adjudicated within last 6 years. Must be willing to submit to a random CI polygraph

Physical Requirements:

  • Must be able to remain in a stationary position up to 75% of the time
  • Must be able to move about inside the office to access file cabinets, office machinery
  • Must be able to position self to maintain office supplies on variable height shelving.
  • 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
  • Must be able to observe and detect employee deviations from established policy

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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