Senior Federal Information Systems Security Engineer Consultant

System Connectivity Engineering

Work with solution architects, network teams, and program stakeholders during design phases to capture accurate system-to-system connectivity requirements, data flows, and boundary crossing details.

PPSM Documentation & Lifecycle Management

• Create, maintain, and validate PPSM spreadsheets; ensure accuracy of ports, protocols, and services.
• Submit PPSMs through the required approval channels; track status through completion.

Authority to Connect (ATC) Coordination

• Prepare and submit required pre-connectivity documentation packages.
• Monitor ATC progress.
• Cope with ATC progress; coordinate with government reviewers and external partners to resolve questions or required updates.

Cross-Agency Collaboration

• Serve as a primary technical liaison with external federal agencies, mission partners, and boundary security teams to ensure alignment on connectivity requirements and timelines.

Line of Sight (LOS) Testing Support

• Participate in LOS testing activities.
• Validate connectivity paths.
• Aid in troubleshooting issues discovered during testing.
• Support post-LOS remediation.

Technical Documentation

• Produce high-quality connectivity artifacts (Interface Control Documents for Connectivity [ICD-C]) required for boundary approvals and operational readiness.

Operational Support

• Provide subject-matter expertise on boundary security requirements, encryption expectations, and interconnection standards.
• Support teams during deployment and early operational phases.

Compliance Alignment

• Ensure all connectivity documentation aligns with federal cybersecurity policies, boundary protection requirements, and agency-specific submission processes.

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.