• Space Information Systems Security Engineer…

    Parsons Corporation (Chantilly, VA)
    …(TCP/IP, BGP, OSPF) + Experience presenting verbal/written communications to Senior leadership including ISSMs, ISOs, security directors + Experience with ... systems engineering lifecycle processes + Act as an advisor to the Government ISSM on ATO extensions, body of evidence reviews + Experience guiding systems through the approval process per NIST-800-37 RMF + Strong initiative and communication skills. +… more
    Parsons Corporation (10/07/25)
    - Related Jobs
  • Sr. ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …where you can thrive, keep reading! Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing agile team using the Scaled Agile ... Framework (SAFe) methodology to support a fast-paced, complex program. Program execution follows DEVOPS best practices and employs robust development, test and production environments. Our team of security engineers support enhancements to system security… more
    Leidos (09/15/25)
    - Related Jobs
  • Senior Information Systems Security…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Engineer ( ISSE )** in our **National Security Sector's ... to contribute to national security efforts with lasting impact. As an ISSE , you'll help shape secure systems and architectures that protect sensitive data… more
    Leidos (10/10/25)
    - Related Jobs
  • Senior Information System Security Engineer

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Engineer ( ISSE )** to join our team in **Quantico, VA.** ... **Responsibilities include, but are not limited to:** + Identify information protection needs for an IS and Network Environment. + Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements. + Design… more
    ManTech (08/13/25)
    - Related Jobs
  • Mid/ Senior Information Systems Security…

    Belay Technologies (Annapolis Junction, MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is Mid/ Senior Information Systems Security Engineer ( ISSE ) to join our intel team. The ... selected candidate will have numerous responsibilities from day to day drawn from a wide array of activities. The strongest candidates will have experience working in these areas: + Validating and verifying system security requirements and establishing system… more
    Belay Technologies (08/07/25)
    - Related Jobs
  • Information System Security Engineer

    ManTech (Virginia Beach, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Engineer ( ISSE )** to join our team in **Norfolk, VA.** This is a ... **hybrid** position with 1-2 days onsite and 2-3 days remote. As an ** ISSE ,** you will have the opportunity to work on innovative and mission-critical and national… more
    ManTech (10/11/25)
    - Related Jobs
  • Information Systems Security Engineer - Principal

    Amentum (Fort Meade, MD)
    …the front and back end of new products and processes. **Responsibilities:** The ** Senior Information Systems Security Engineer ( ISSE )** shall deliver and lead ... presenting technical information to both technical and non-technical audiences to include senior stakeholders * Expertise in the Risk Management Framework (RMF) and… more
    Amentum (10/01/25)
    - Related Jobs
  • SP28 Senior Information System Security…

    Amentum (Crane, IN)
    Amentum is looking for a Sr. Information System Security Engineer ( ISSE ) to support Program Offices within Department of Defense Strategic Systems Programs (SSP). ... The ISSE will support non-enterprise information systems of large-scaled programs...as multiple Science and Technology (S&T) programs. The System ISSE will provide direct support to the Program Office… more
    Amentum (09/22/25)
    - Related Jobs
  • Information Systems Security Engineer

    CAE USA INC (Tampa, FL)
    …and having fun! Summary CAE is seeking an Information System Security Engineer ( ISSE ) for providing technical expertise and support to CAE programs and Cybersecurity ... staff. The ISSE 's priority is responsibility for management, implementation and testing...collaborate with management, executive personnel and military personnel including senior officer levels required . + Detail oriented; work… more
    CAE USA INC (09/12/25)
    - Related Jobs
  • Senior Information Assurance Analyst

    DCCA (Fort Meade, MD)
    Senior Information Assurance Analyst Location Fort Meade, MD Job Code 2469 # of Openings 1 Apply Now ... competitive compensation and benefits package. Visit our website at: www.dcca.com Senior Information Assurance Analyst Candidate must have an active Secret Clearance… more
    DCCA (08/08/25)
    - Related Jobs