Date Posted:2026-08-20 Country:United States of America Location:US-MA-TEWKSBURY-TB2 ~ 50 Apple Hill Dr ~ SUDBURY BLDG, Tewksbury Tb2 200 Sudbury Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1Senior Network ArchitectSr. Manager, Information Workplace Services - P5Raytheon Digital Technology Classified Infrastructure ServicesProgram Architecture - FEOTBTewksbury, MA - Onsite Position (Multiple Northeast US Locales)Active Secret Clearance requiredAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.The Classified Infrastructure Services department provides expertise to programs in Networking, High Performance Computing, and Storage & Data Protection. The Senior Network Architect will serve as a senior technical leader within the Network Architecture team, responsible for enterprise network architecture, design governance, and standards development across classified environments. This role defines and maintains network architecture principles, ensures alignment with TOGAF and DoDAF frameworks, and guides programs through consistent, scalable, and secure network designs. As a Subject Matter Expert in networking, you will provide advanced architectural guidance and technical leadership to operational and engineering teams, support complex problem resolution, research emerging technologies, and collaborate across organizations to shape the future of classified network solutions. This position will be an onsite role in our Tewksbury, MA location (there are 3 other location options in the Northeast US), travel to other US Domestic sites might be required on an infrequent bases.What you will Do: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.What you will Learn:Enterprise-scale classified network architecture practices.Advanced secure networking solutions and design patterns.Cross-functional collaboration with cybersecurity, systems engineering, and infrastructure teams.Long-range technical strategy development for classified networks.Qualifications You Must Have: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' experienceExperience 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.Qualifications We Prefer:TOGAF certification or formal TOGAF training.Experience supporting classified systems and environments.Familiarity with RMF / CSRMC, NIST, STIGs, ICD 503, and other DoD security frameworks.Experience developing enterprise technical standards and governance models.Strong written, visual, and verbal communication skills (Visio, PowerPoint, architecture artifacts).Experience mentoring engineers or leading technical communities.Cisco CCNA and/or CCNP certification.Experience with Cisco, Palo Alto, or equivalent enterprise networking platforms.What We OfferOur values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.Relocation Eligibility – this role will include relocation support for applicants who meet the company policy criteria.Learn More & Apply Now!Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms:Click on this link to read the Policy and Terms