Jobs and Careers
MA

Senior Systems Engineer

ManTech
United Statesfull_timeVerifiedPosted 7 Aug 2026
💰 $163,100/yr($98,000/yr$163,100/yr)

About the role

General information

Requisition #
R69782
Locations
USA-VA-Chantilly
Posting Date
08/06/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Chantilly, VA.  This is an onsite position.

Responsibilities include but are not limited to:

  • Provide Tier III IT Systems support across enterprise technologies, including VMware vCenter, Horizon View, Site Recovery Manager, HP Blade Servers, HP SANs, HPAC Secure Printing, Active Directory, Group Policies, Certificate Services, DHCP, DNS, and Microsoft Windows Operating Systems.

  • Diagnose and resolve complex performance, security, and technical challenges across supported infrastructure platforms.

  • Perform requirements analysis, gathering, and integration for core system platforms while collaborating on project teams to package and deploy production releases.

  • Author Standard Operating Procedures (SOPs) for repetitive tasks and participate in ITIL Service Lifecycle processes, including submitting Change Requests.

  • Investigate and resolve operational issues in coordination with technical personnel, while providing mentorship and guidance to junior Systems Engineers.

  • Support system maintenance and unplanned service outages after normal duty hours (nights and weekends) on occasion.

  • Perform up to 10% local travel within the DC Metro area as required by program requirements.

Minimum Qualifications:

  • Bachelor’s degree and 5+ years of systems engineering experience, or an Associates degree with 8 years of systems engineering experience, or a High School diploma with 11 years of systems engineering experience can be substituted for a bachelor’s degree

  • DoD 8570 IAT Level II Certification, ex., Security+

  • IAT Level III certification ex. SecurityX, CASP+ required within 6 months of hire

  • DoD 8570 Computing Environment Certification required within 6 months of hire, ex., MCSA, VCP, or equivalent

  • Experience with Microsoft Windows 2008/2012/2016/2019 Servers; Microsoft Windows 10; administering Micro

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Company

ManTech

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