Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Staff Systems Engineer

ManTech

MANTECH seeks a motivated, career, and customer-oriented Staff Systems Engineer to join our team in Chantilly, VA .

You will help troubleshoot and fix a cyber security testing environment while developing its replacement. By leveraging your strong technical background, you will support the improvement and sustainment of mission-driven IT solutions that enable secure enterprise operations. This role provides the opportunity to cross train in additional IT areas (e.g., networking, cyber security, etc.).

Responsibilities include but are not limited to:

  • Troubleshooting and fixing a 1.0 cyber security testing environment, while developing a 2.0 cyber security testing environment

  • Improving performance and increasing security of 1.0 and 2.0 environments

  • Working with other groups on the same program to troubleshoot issues, apply fixes, improve performance, and increase environment security

  • Working with other system engineers, system administrators, and security engineers to develop and maintain robust diagrams for cyber defense capability test environments

  • Evaluating and recommending technology upgrades to support performance improvements and alignment with industry best practices

  • Monitoring and analyzing performance and faults while proposing solutions for system optimization and collaborating with stakeholders to coordinate technical information

  • Helping security engineers resolve issues and document solutions in SNOW

Minimum Qualifications:

  • Bachelor’s degree or 4+ years of additional work experience in lieu of a degree

  • 2+ years of experience in IT, system engineering, and/or system administration

  • IAT Level II certification or higher (Security+, etc.) or the ability to obtain certification within 6 months of hire

  • Experience creating, maintaining, and communicating complex IT documentation

  • Experience developing, administering, and troubleshooting systems that handle government data while ensuring they meet all cyber security requirements

  • Experience with technologies supporting large-scale enterprise deployments or data centers and inventorying complex systems and networks

Preferred Qualifications:

  • Experience implementing and supporting complex, multi-component software solutions across a large environment

  • Experience deploying enterprise security software including firewalls, intrusion prevention systems (IPS), and virtualization platforms

  • Knowledge of Windows and Linux systems, WSUS and PDQ, ServiceNow (SNOW), Tenable/Trellix, EXSI servers, TCP/IP networking, 802.1x, and core network security principles

Clearance Requirements:

  • An active TS/SCI with polygraph is required for this position

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time

  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations

  • Must be able to exchange accurate information in these situations

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at View email address on click.appcast.io and provide your name and contact information.

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Staff Systems Engineer in Chantilly, Loudoun County, VA vacancy
  •  ...facing the Intelligence Community and Department of Defense. Join our team of experienced engineers to confront these challenges. As a Kavaliro team member, you will serve as a Systems Engineer providing end-to-end Systems Engineering and Integration (SE&I) services to a... 
    Suggested
    For contractors
    Work at office
    Remote work

    Navstar

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Systems Engineer Manager Location: Chantilly, VA, United States Category: Engineering and Sciences Subcategory: Systems Engineer Schedule...  ..., collaborate with Govt and SETA mission leadership to apply staff to critical SE and SME roles across multiple satellite... 
    Suggested
    Full time
    Contract work
    For contractors
    Currently hiring
    Work at office
    Remote work
    Shift work

    Science Applications International Corporation

    Chantilly, Loudoun County, VA
    9 hours ago
  • $146.6k - $219.8k

     ...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for...  ...Mission Systems Navigation, Intelligence and Connectivity Division, Engineering and Sciences is seeking a Systems Engineering Manager 2.... 
    Suggested
    Full time
    Relocation package
    Shift work

    Northrop Grumman

    Chantilly, Loudoun County, VA
    5 days ago
  •  ...Community and Department of Defense. Join our team of experienced engineers in the development and institutionalization of a Digital...  ...these challenges. As a Solvarus team member, you will serve as a Systems Engineer providing end-to-end Systems Engineering and Integration... 
    Suggested
    Full time

    Solvarus

    Chantilly, Loudoun County, VA
    a month ago
  •  ...Community and Department of Defense. Join our team of experienced engineers in the development and institutionalization of a Digital...  ...and design Space and Ground solutions using advanced Model Based Systems Engineering (MBSE) processes and techniques. These solutions will... 
    Suggested
    Local area

    Solvarus

    Chantilly, Loudoun County, VA
    29 days ago
  • $129k - $249.6k

     ...Payload Systems Engineer (Project Engineer/Senior Project Engineer – Payload Systems Engineering) The Aerospace Corporation is the trusted...  ...GDO, related Aerospace program offices and Aerospace ETG staff Monitor and assist in development of budgets and other resource... 
    For contractors
    Work at office
    Immediate start
    Remote work
    Relocation package
    Flexible hours

    The Aerospace Corporation

    Chantilly, Loudoun County, VA
    5 days ago
  •  ...XMSTART is always looking to add experienced and strategic full-time Systems Engineers to our team, in Chantilly, VA or Washington, DC. These positions are 100% onsite. Requirements Security Clearance Requirements: ~ Active TS/SCI with Polygraph is required... 
    Full time

    XMSTART Inc

    Chantilly, Loudoun County, VA
    6 days ago
  • $110.2k - $179.8k

     ...through innovations in digital transformation, space mission engineering and launch assurance, miniaturized sensors and satellites, advanced...  ....com for more details. Responsibilities The Systems Engineer will support the Sponsor's organization as a critical... 
    Hourly pay
    Contract work
    Temporary work
    For contractors
    Work experience placement
    Remote work

    Arcfield

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Mid-Level Systems Engineer employ a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration, test and evaluation, maintainability and analysis across the National System of Geospatial... 
    Work experience placement
    Remote work

    IC-CAP, LLC

    Chantilly, Loudoun County, VA
    2 days ago
  • $112k - $179k

     ...Systems Engineer - Digital Engineering Job Locations US-MO-St Louis | US-VA-Springfield | US-VA-Chantilly Requisition ID 2026-167428 Position Category Engineering Clearance Top Secret/SCI w/Poly Responsibilities... 
    Contract work
    Remote work
    Shift work

    Peraton

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Senior System Engineer Chantilly, VA MUST: Experienced Senior System Engineer Active TS clearance or higher required with ability to obtain CI POLY 10+ years of experience in aerospace, space systems, or defense programs Demonstrated experience across... 
    For contractors
    Work at office

    Quadrant

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Systems Engineer At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and... 

    B/CORE

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Job Description Description Join a winning team! SAIC is seeking a Chief Systems Engineer with experience on large programs to join the Air Force, Space, and Intelligence Business Group providing systems engineering, systems integration, and contract and... 
    Contract work
    For contractors
    Work at office

    Science Applications International Corporation

    Chantilly, Loudoun County, VA
    1 day ago
  • $75 - $110 per hour

     ...independent technical oversight and advisory across the full system lifecycle-from early design through launch and initial operations...  ...ensure mission requirements are met through rigorous systems engineering practices. Acting as a critical bridge between government... 
    Contract work
    Temporary work
    For contractors
    For subcontractor

    TEKsystems

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Title: RF Systems Engineer Title: Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position... 
    Work at office
    Local area
    Flexible hours

    KBR

    Chantilly, Loudoun County, VA
    5 days ago
  • $90k - $115k

    Back to All JobsSystem Engineer St. Louis, MO OR Chantilly, VA full time Top Secret $90,000 - $115,000 Job Description Job Title: System Engineer Clearance: Top Secret Location: Chantilly VA, St Louis MO, Alexandria VA Certifications: DOD 8570 (Security+... 
    Full time
    For contractors

    Metronome LLC

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...focused on providing the U.S. Government a level of service that surpasses the epitome of excellence . Our core services include systems engineering technical advice, technical support, and administrative assistance . From our humble beginning as a small Service Disabled,... 
    Full time
    For contractors
    Work at office

    Sciolex Corporation

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Overview VTG is seeking a Systems Engineer , located in Chantilly, VA. What will you do? Expert Systems Engineers assist in leading engineering teams in taking a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability... 
    For contractors
    Work experience placement
    Remote work

    VTG

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Description Description SAIC is seeking GEOINT Systems Engineer to support SAIC's Prime Program, Landmark AOS in Chantilly,...  ...you will interact daily with senior government and Program staff to analyze new concepts and technologies; support the definition... 
    For contractors

    Science Applications International Corporation

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Space Systems Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and innovative **Space Systems Engineer** to join our team and... 
    Temporary work
    For contractors
    Immediate start
    Flexible hours

    Cymertek

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...building, launching, and maintaining America's intelligence satellites. Develop. Acquire. Launch. Operate. Apogee's ideal Systems Engineer supports a USG System Program Office (SPO) in a technical capacity for engineering and integration of GEOINT satellite systems... 
    Contract work
    Temporary work
    For contractors
    Work at office
    Flexible hours

    Apogee Integration

    Chantilly, Loudoun County, VA
    1 day ago
  • $146k - $234k

     ...Systems Engineering Technology Governance Job Locations US-VA-Chantilly Requisition ID 2026-166231 Position Category Engineering Clearance Top Secret/SCI w/Poly Responsibilities Systems Engineer Technology Governance... 
    Contract work
    Overseas
    Shift work

    Peraton

    Chantilly, Loudoun County, VA
    5 days ago
  •  ...Community and Department of Defense. Join our team of experienced engineers in the development and institutionalization of a Digital...  ...these challenges. As a Solvarus team member, you will serve as a Systems Engineer providing end-to-end Systems Engineering and Integration... 
    For contractors
    Work experience placement
    Local area

    Solvarus

    Chantilly, Loudoun County, VA
    2 days ago
  • $7.5k

     ...Systems Engineer - Senior Location: Chantilly, VA Security Clearance Required: Security Clearance with appropriate Polygraph Job Description RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life... 
    Work experience placement
    Immediate start
    Flexible hours

    RealmOne

    Chantilly, Loudoun County, VA
    4 days ago
  • $135k - $216k

     ...Systems Engineer Job Locations US-VA-Springfield | US-VA-Chantilly Requisition ID 2026-167614 Position Category Engineering Clearance Top Secret/SCI w/Poly Responsibilities Overall Assignment Description: Expert... 
    Contract work
    For contractors
    Work experience placement
    Remote work
    Shift work

    Peraton

    Chantilly, Loudoun County, VA
    1 day ago
  • $215k - $230k

     ...Amentum/Secure Networking Solutions is seeking a senior Network/Systems Engineer responsible for maintaining the design and integrity of program systems. The candidate will oversee the program's Wireless Intrusion Detection System (WIDS). The candidate will build scripts... 
    Hourly pay
    Contract work
    For contractors
    Work at office
    Local area
    Worldwide

    Amentum

    Chantilly, Loudoun County, VA
    4 days ago
  • $146.4k - $263.8k

     ...Technologies is actively seeking a skilled and proactive Principal Systems Engineer to join our team. The successful candidate is responsible for...  ...related procedures adhere to organizational values, enabling staff, volunteers, and Partners. The successful candidate will be... 
    Contract work
    Work experience placement
    Local area
    Weekend work
    Afternoon shift

    Two Six Technologies

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Title: Senior Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position,... 
    Temporary work
    Local area
    Relocation package

    KBR

    Chantilly, Loudoun County, VA
    5 days ago
  •  ...Title: Sr Space Systems Engineer - Ground Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position... 
    Temporary work
    Local area
    Relocation package
    Flexible hours

    KBR

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Intelligence Consulting Enterprise Solutions, INC.  is looking for a Sr. Systems Engineer Description:  Join ICES on a new contract impacting national security as a Sr. Systems Engineer These positions are located in Chantilly, VA. All positions require an... 
    Contract work
    For contractors
    Remote work

    ICES

    Chantilly, Loudoun County, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Staff Systems Engineer. Be the first to apply!