Senior Network Architect, Onsite, US locations

Senior Network Architect (Senior Manager, Enterprise Architecture & Strategy - P5)

Location: Tucson, AZ (Onsite).
Date Posted: .
Country: United States of America.
Security Clearance: Secret, active & current, U.S. citizen required.

This role serves as a senior technical leader within the Network Architecture team, responsible for enterprise network architecture, design governance, and technical leadership across classified environments. The Senior Network Architect ensures network architectures align with TOGAF and DoDAF frameworks and works closely with Domain Architecture to define and implement classified networking standards, promoting consistency, interoperability, security, and alignment with enterprise technology strategies.

• Lead the design and evolution of enterprise network architectures supporting classified programs and enterprise environments.
• Apply formal architecture frameworks such as TOGAF and DoDAF to guide solution development and ensure traceability from mission needs to implementation.
• Collaborate with Domain Architecture to develop and maintain network architecture principles, standards, reference architectures, and technology roadmaps.
• Support architecture governance activities and help ensure compliance with established standards, security requirements, and best practices.
• Develop and maintain architecture artifacts, including system views, operational views, technical standards documentation, and architectural guidance.
• Serve as a technical authority for network-related design decisions and provide advanced architectural guidance across programs.
• Provide Tier 3/4 escalation support to operational network teams, resolving complex issues that require deep technical expertise and architectural-level analysis.
• Partner with engineering, cybersecurity, systems, and program teams to translate architectural intent into implementable designs.
• Lead architecture reviews, participate in design forums and technical working groups, and provide architectural oversight for complex initiatives.
• Collaborate with Domain Architecture on trade studies, technology evaluations, and reference architecture development to support strategic technology decisions.
• Evaluate emerging technologies and recommend adoption where appropriate.
• Provide mentoring, coaching, and technical leadership to engineers and Network Architects.
• Support proposal efforts and new program captures with architectural guidance and solution development.
• Communicate complex technical concepts clearly to both technical and non-technical stakeholders.
• Support long-term modernization, standardization, and simplification initiatives for classified network environments.
• Communicate with parties within and outside of own function and regularly engage with customers, vendors, and partner organizations.
• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.

• Enterprise-scale classified network architecture practices, governance, and technical leadership.
• Advanced secure networking solutions, design patterns, and emerging technologies supporting classified environments.
• Strategic collaboration with Domain Architecture, cybersecurity, systems engineering, and infrastructure teams to shape enterprise technology direction.
• Long-range network modernization, standardization, and architecture roadmap development for classified networks.

• Typically requires a university degree or equivalent experience and minimum 10 years prior relevant experience, or an advanced degree in a related field and minimum 7 years’ experience.
• Experience developing, guiding, and governing enterprise-scale network architectures in complex enterprise or classified environments.
• Experience working with advanced network technologies, including routing, switching, firewalls, WAN, segmentation, zero trust concepts, encryption, and secure communications.
• Experience leading architecture reviews, evaluating emerging technologies, and providing technical leadership for complex network initiatives.
• Experience…