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; 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, assist with troubleshooting issues discovered during testing, and 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.