Sr. Principal Network Domain Architect

RTX•Richardson, TX
•$145,600 - $276,800•Hybrid

About The Position

The Sr. Principal Classified Network Domain Architect will lead enterprise-wide network architecture across on-premises, cloud, hybrid, edge, and secure-access environments, with a primary focus on RTX Classified Enterprise Network Architecture. The role establishes strategic direction, architecture standards, and modernization roadmaps, and drives secure, scalable, and compliant network solutions that support mission-critical services and enterprise transformation initiatives. The position is part of RTX Corporate, Enterprise Services. It is based in Richardson, Texas, and is hybrid, with onsite and offsite work arranged in partnership with the employee’s leader. An active and transferable U.S. government-issued security clearance is required before starting; the posting specifies an active Secret clearance and also states TS clearance is required. U.S. citizenship is required for security-clearance eligibility.

Requirements

  • A university degree in a related technical discipline and at least 10 years of relevant experience, or an advanced degree and at least 7 years of relevant experience.
  • Advanced networking certification such as CCNP, JNCIP, or equivalent.
  • Deep expertise in enterprise networking, including routing and switching, LAN/WAN, data center networking, and cloud networking.
  • Advanced knowledge of BGP, OSPF, IS-IS, MPLS, VPNs, and SDN.
  • Experience designing secure network architectures, including Zero Trust, SD-WAN, and SASE/SSE.
  • Hands-on experience with Azure and/or AWS cloud networking.
  • Experience with network automation, Infrastructure as Code (IaC), APIs, and CI/CD.
  • Experience developing enterprise architecture standards, reference architectures, and technology roadmaps.
  • Strong understanding of secure-by-design principles and regulated-environment security requirements.
  • Active and transferable U.S. government-issued security clearance required before start; the posting specifies an active Secret clearance and states TS clearance is required.
  • U.S. citizenship, as required for security-clearance eligibility.

Nice To Haves

  • TOGAF and CSSIP certifications.
  • Master's degree in a relevant technical discipline.
  • Advanced networking certifications such as CCIE, JNCIE, or equivalent.
  • Cloud networking certifications for Azure, AWS, or equivalent platforms.
  • Experience with SASE/SSE, SD-WAN, network security, and network management platforms.
  • Experience architecting networks in aerospace, defense, manufacturing, telecommunications, or other regulated enterprise environments.
  • Experience working with ITAR/EAR, Controlled Unclassified Information (CUI), NIST 800-171/53, DFARS, Risk Management Framework (RMF), and/or CMMC requirements.
  • Experience leading technology innovation, proofs of concept, and emerging-technology initiatives.
  • Experience with AI fabric networking, advanced data center fabrics, or edge networking.
  • Experience supporting the Defense Industrial Base, Department of Defense (DoD), Department of War (DoW), and/or Intelligence Community environments.
  • Proven experience serving as lead architect for major enterprise network transformations or cloud connectivity initiatives.
  • Proficiency with enterprise architecture modeling and repository tools, including architecture visualization capabilities.

Responsibilities

  • Lead enterprise network architecture across classified and unclassified environments, including on-premises, cloud, hybrid, and edge networks.
  • Establish network architecture standards, reference designs, security patterns, and modernization roadmaps.
  • Architect secure network solutions across LAN/WAN, data centers, cloud networking, Zero Trust, SDN, SD-WAN, and SASE/SSE.
  • Partner with Cloud, Cybersecurity, Infrastructure, and Operations teams to align architecture with enterprise and security requirements.
  • Drive network automation and Infrastructure as Code (IaC) strategies to improve provisioning and operational efficiency.
  • Evaluate emerging technologies, lead proofs of concept, and guide major network modernization initiatives.
  • Influence enterprise technology decisions and provide architectural direction to executive and engineering stakeholders.

Benefits

  • Healthcare benefits, including medical, dental, and vision insurance.
  • Wellness benefits and an employee assistance program.
  • Retirement benefits, including a 401(k) match.
  • Life insurance and short-term and long-term disability insurance.
  • Flexible work schedules.
  • Parental leave.
  • Achievement awards and recognition programs.
  • Educational assistance and the Employee Scholar Program.
  • Flexible spending accounts.
  • Child and adult backup care.
  • Paid time off and holidays.
  • Potential eligibility for annual short-term and/or long-term incentive compensation, subject to position level and other factors.
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