Senior Classified Network Architect - Onsite

RTX; Tewksbury (MA); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

Relocation eligibility

Job summary

RTX is seeking a Senior Network Architect for onsite work in Tewksbury, MA, with an active Secret clearance. You will lead enterprise network architectures for classified programs, applying TOGAF/DoDAF, governance, and secure design principles across environments.

Collaboration with multiple teams and mentorship of engineers are key parts of the role. The role requires deep architectural expertise, strong communication, and the ability to translate complex concepts into practical designs that

Qualifications

• 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 and governing enterprise-scale network architectures.
• Experience working with network technologies, including routing, switching, firewalls, WAN, segmentation, zero trust concepts, encryption, and secure communications.
• Experience using formal architecture frameworks such as TOGAF, DoDAF, or Zachman.
• Active and transferable U.S. government issued Secret DOD security clearance, with the ability to acquire a Top Secret clearance is required, prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Responsibilities

• Lead the design and evolution of enterprise network architectures supporting classified programs.
• Define, document, and maintain network architecture principles, standards, and reference architectures.
• Apply formal architecture frameworks such as TOGAF and DoDAF to guide solution development and ensure traceability from mission needs to implementation.
• Establish and enforce architecture governance, ensuring compliance with standards, security requirements, and best practices.
• Develop and maintain architecture artifacts including system views, operational views, and technical standards documentation.
• Serve as a technical authority for network-related design decisions.
• 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.
• Participate in and lead architecture reviews, design forums, and technical working groups.
• Evaluate emerging technologies and recommend adoption where appropriate.
• Provide mentoring and technical leadership to engineers and junior architects.
• Support proposal efforts and new program captures with architectural guidance.
• Communicate complex technical concepts clearly to both technical and non-technical stakeholders.
• Support long-term modernization, standardization, and simplification initiatives for classified network environments.
• Communicates with parties within and outside of own function and typically has responsibilities for communicating with parties external to the organization, (e.g., customers, vendors, etc.).
• 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.

Education

University degree or equivalent experience

Job description

RTX is seeking a Senior Network Architect for onsite work in Tewksbury, MA, with an active Secret clearance. You will lead enterprise network architectures for classified programs, applying TOGAF/DoDAF, governance, and secure design principles across environments.

Collaboration with multiple teams and mentorship of engineers are key parts of the role. The role requires deep architectural expertise, strong communication, and the ability to translate complex concepts into practical designs that