Information System Security Engineer (ISSE)

VTG Defense
United States, Virginia, Chantilly
14291 Park Meadow Drive (Show on map)
Apr 12, 2026
Overview VTG is looking for Information System Security Engineers (ISSEs) in Chantilly VA. These positions are contingent upon contract award. What will you do? An ISSE is responsible for conducting IS security engineering activities throughout the lifecycle. ISSEs are responsible for capturing and refining information protection requirements to ensure their integration into IS acquisitions and IS development through purposeful security design or configuration. Integrates security functional requirements into existing acquisition lifecycle phases, milestones, and documents using systems engineering principles and methodologies. Shall be knowledgeable of best practices when implementing security controls including SW engineering methodologies, security engineering methodologies, security engineering principles, and secure coding techniques and coordinates activities with A&A stakeholders. The ISSE functions are commensurate with the IASAE position description, experience and certifications. ISSEs with Space System experience is required, specific Space System ISSE required qualifications. This IASAE experience requires working relevant types of Space systems based on location, and understanding space requirements and protection needs for integration into relevant network systems. IASAE's also participate in Space Computer Security requirement reviews or working groups as needed by locations. IASAE's also participate in the National Space INFOSEC Steering Council, among others. Do you have what it takes? TS/SCI with Poly required Bachelor's degree relevant to computer engineering, INFOSEC, information management, and/or computer science Level 1: 0 - 4 years relevant IA experience and IAM Level I Certification: CAP, GSLC, Sec+ Level 2: 5 - 9 years relevant IA experience and IAM Level II Certification: CAP, GSLC, CISM, CASP, CISSP or CCISO Level 3: 10+ relevant IA experience and IAM Level III Certification: GSLC, CISM, CISSP OR CCISO Knowledge of and experience with ICD 503 and the Government's certification and accreditation process Networks, computer components, protocols, and COTS technology System methodologies including: client/server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers SW integration of COTS and GOTS products Virtualization platforms and technologies Education relevant to computer engineering, INFOSEC, information management, and/or computer science Experience in technical project management (Level 3); and Technical experience in: Configuring and supporting, at a minimum, Windows, Linux, Unix, Maces Configuring and supporting, at a minimum, VMware, Xen, Hyper V SW engineering Program design and implementation Configuration management (Level 3) System maintenance Integration testing (Level 3) Information Security, engineering