Enterprise Network Architect (IT System Architect - Senior Principal)

Enterprise Network Architect (IT System Architect - Senior Principal)We are seeking an Enterprise Network Architect (IT System Architect - Senior Principal) to serve as the enterprise domain authority for network architecture across on-premises, cloud, hybrid, edge, and secure-access environments. This highly influential individual-contributor role will define the architecture direction, patterns, standards, reference architectures, and roadmaps that guide how the company connects and secures users, applications, data, sites, cloud platforms, and business services.Key ResponsibilitiesOwn Enterprise Network ArchitectureDefine Network Zone & Security ArchitectureModernize Network Platforms, Management & SASELead Cloud Networking & Network IaCLead the Network Workstream for Move-to-CloudLead Network Innovation & Emerging TechnologyAdvance the Enterprise Architecture PracticeLead Across Business and TechnologyMentor and Elevate Network Architecture CapabilityPrincipal-Level Leadership CompetenciesRequired Education, Experience, & SkillsBachelor's degree in Computer Science, Information Systems, Engineering, Telecommunications, or a related technical discipline; equivalent relevant professional experience may be considered in lieu of a degree.12+ years of progressive experience in network engineering, network architecture, infrastructure architecture, and/or enterprise architecture, including substantial responsibility for complex enterprise or service-provider-scale networks.Deep technical expertise across routing and switching, WAN, LAN, data center networking, cloud networking, network security, DNS, load balancing, QoS, resiliency, and secure remote/access architectures.Advanced knowledge of routing protocols and large-scale network design, including technologies such as BGP, OSPF and/or IS-IS, MPLS, VPNs, and software-defined networking.Strong architecture knowledge of modern SASE/SSE capabilities such as SD-WAN, SWG, CASB, ZTNA, FWaaS, DNS security, DLP, and related secure-access technologies.Hands-on experience designing cloud network architecture in Azure and/or AWS, including virtual networks/VPCs, routing, peering/transit, gateways, private connectivity, DNS, load balancing, and network security controls.Demonstrated experience with network automation and Infrastructure as Code using modern scripting, APIs, declarative provisioning, source control, CI/CD, and automated validation practices.Exceptional verbal, written, and visual communication skills with demonstrated ability to influence senior leaders, program teams, cybersecurity, cloud/infrastructure teams, engineers, vendors, and business stakeholders.Preferred Education, Experience, & SkillsTOGAF certification.Advanced degree in Computer Science, Engineering, Telecommunications, Information Systems, or related discipline.Advanced networking certifications such as Cisco CCNP/CCIE, Juniper JNCIP/JNCIE, or equivalent.Azure, AWS, and/or other major cloud networking certifications.Experience with enterprise SASE/SSE, SD-WAN, network-security, or network-management platforms.Experience architecting networks within aerospace, defense, manufacturing, telecommunications, or another large regulated enterprise.Experience with controlled-data and defense-aligned environments, including CUI, ITAR/EAR, NIST 800-171/53, DFARS, RMF, and/or CMMC.Experience leading technology innovation, proof-of-concept, rapid-prototyping, or emerging-technology incubation programs.Experience with AI infrastructure networking, advanced data center fabrics, edge networking, or other emerging network technologies.Pay InformationFull-Time Salary Range: $132962 - $226035Employee BenefitsAt BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.About BAE Systems, Inc.BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support. Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.