Enterprise Architect, Senior Advisor

Peraton•McLean, VA

About The Position

The project office is seeking an experience Senior Network Architect to lead the strategic design, documentation, and risk management of the Clients network infrastructure. In this role, you will assess and document the current (“as-is”) network architecture, develop a forward-looking (“to-be”) design, and ensure holistic risk mitigation across all integrated networks. You will play a key role in aligning IT infrastructure with organizational strategic and mission objectives, while standardizing security practices to enhance overall resilience and efficiency. This position requires a blend of technical expertise, strategic thinking, and collaboration with cross-functional teams to support scalable, secure, and mission-critical network operations.

Requirements

Strong knowledge of routing/switching, WAN, VPN, segmentation, and high availability design.
Hands-on expertise with firewall architectures and operations (policy design, NAT, threat prevention, logging/monitoring).
Experience performing risk assessments and designing mitigations at the system-of-systems level.
Proven ability to create clear network architecture documentation and diagrams.
Experience documenting as-is and to-be network architecture (topologies, data flow, dependencies, configurations, inventories).
Experience implementing network security standards and reference architecture (firewall, segmentation, routing policies, secure remote access).
Experience with communicating complex information in a clear, concise manner and navigating complex organizational dynamics to achieve project goals.

Nice To Haves

Previous experience in strategic planning, such as developing IT investment roadmaps or conducting technology gap analyses.
Knowledge of emerging technologies like edge computing or AI-Driven network management.

Responsibilities

Lead the strategic design, documentation, and risk management of the Clients network infrastructure.
Assess and document the current (“as-is”) network architecture.
Develop a forward-looking (“to-be”) design for the network infrastructure.
Ensure holistic risk mitigation across all integrated networks.
Align IT infrastructure with organizational strategic and mission objectives.
Standardize security practices to enhance overall resilience and efficiency.
Collaborate with cross-functional teams to support scalable, secure, and mission-critical network operations.
Guide critical cyber security documents to approval by interfacing effectively with industrial partners and internal teams.
Build and maintain strong, productive relationships with key stakeholders and upper management.