Senior Network & Infrastructure Architect

Job Description: 

Our Reston, VA office is looking for a Senior Network & Infrastructure Architect to serve as a senior technical authority for enterprise network architecture, disparate secure enclave design, multi-vendor hybrid cloud connectivity, and large-scale infrastructure projects. 

This is a senior individual contributor role to provide technical leadership across architecture decisions, design reviews, implementation planning, modernization efforts, escalations, and North America operations support. 

The ideal candidate is a network-first infrastructure architect with deep enterprise & cloud networking experience, broad infrastructure awareness, and the judgment to translate cybersecurity and program requirements into secure, supportable, and maintainable technical solutions. 

This role partners closely with cybersecurity, systems, network, and program engineering teams to ensure infrastructure designs are scalable, resilient, operationally realistic, and aligned with security requirements. 

Occasional after-hours/weekend maintenance and emergency response required. 

Key Responsibilities: 

Enterprise Network Architecture 

• Lead architecture and design for enterprise LAN, WAN, wireless, data center, and cloud-connected network environments 
• Define future-state network architecture, modernization roadmaps, and technology standards for enterprise and secure environments 
• Define network patterns for high availability, segmentation, Zero Trust-aligned access, resiliency, recoverability, and secure operations 
• Review technical designs to ensure they are supportable, scalable, and aligned with cybersecurity and program requirements 

Secure Enclave & Classified Infrastructure 

• Lead network and infrastructure architecture for classified, secure, encrypted, compliance-bounded, or air-gapped environments 
• Design secure enclave connectivity patterns, including encrypted links, redundant switching, server connectivity, and storage/network integration 
• Provide architecture guidance for secure environment buildouts, refreshes, and major changes 
• Partner with cybersecurity teams to ensure technical designs satisfy security requirements and authorization expectations 

Hybrid Cloud & Infrastructure Integration 

• Architect hybrid connectivity between on-premises environments, secure infrastructure, and major cloud platforms such as AWS and Azure 
• Guide cloud networking, DNS, routing, traffic management, logging, telemetry, and infrastructure automation patterns 
• Provide architecture-level input for infrastructure platforms such as HCI, virtualization, Linux infrastructure, backup, storage, and container environments 
• Support data resiliency, disaster recovery and business continuity design for mission-critical infrastructure 

Technical Leadership, Standards & Escalation 

• Serve as a principal technical authority for complex network, infrastructure, availability, routing, DNS, VPN, and service-impacting issues 
• Develop network and infrastructure standards, reference designs, implementation plans, diagrams, escalation runbooks, and architecture artifacts 
• Provide technical backstopping and mentoring for engineers implementing and operating enterprise and secure infrastructure 
• Coordinat