Senior Federal Information Systems Security Engineer Consultant

The Senior Federal Information Systems Security Engineer (ISSE) serves as a technical integrator responsible for ensuring that system-to-system connections across federal boundaries are properly documented, approved, and compliant with all required cybersecurity and interoperability standards. This role operates upstream of A&A, supporting project teams during system design and throughout the connectivity approval lifecycle, but does not participate in the Assess & Authorize (A&A) process itself. The ISSE will collaborate with internal project teams, external agency partners, network engineers, and cybersecurity stakeholders to gather system connectivity details, generate and manage Ports, Protocols, and Services Management (PPSM) documentation, support Authority to Connect (ATC) submissions, and assist with Line of Sight (LOS) testing and troubleshooting. Basic Qualifications 10+ years combined higher education and relevant professional experience, including: 3+ years in information systems security, network security, or boundary protection roles 7+ years of higher education /or additional work experience directly related to the duties of the job Bachelor’s degree or higher in Information Security, Information Systems, Computer Science, Engineering, or related discipline Ability to obtain and maintain the required government security clearance U.S. citizenship (required by contract) Preferred Qualifications CISSP (ISC²) CEH (EC-Council) CISM (ISACA) CompTIA Security+ Experience with federal PPSM processes, boundary security teams, or cross-domain solutions Experience supporting ATC or interconnection approval workflows Prior federal government or DoD experience Expectations Reside in or be willing to relocate to a mutually approved location (Northern Virginia preferred) Work 40 hours per week as needed to support mission timelines Maintain compliance with all corporate and federal cybersecurity policies Protect corporate and client assets and report any suspected security issues Perform additional responsibilities as assigned #J-18808-Ljbffr