Network Systems Administrator Jobs in Tucson, AZ

Date Posted:

2026-07-07

Country:

United States of America

Location:

US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)

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 1

At 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.

Network Architect – P4

Raytheon Digital Technology – Program Digital Services, Classified Transformation, FEOTB & Architecture, Domain and Network Architecture

Location: Onsite – Tucson, AZ – Woburn, MA, Tewksbury, MA, - Andover, MA – Huntsville, AL
Clearance Level: Secret

The Network Architect is responsible for developing and maintaining network architectures, standards, and designs that support classified and enterprise environments. This role applies architectural principles and methodologies aligned with TOGAF and DoDAF frameworks to ensure network solutions are secure, scalable, supportable, and consistent across the enterprise. The Network Architect collaborates with engineering, operations, cybersecurity, and program teams to develop solutions that meet business, mission, and technical requirements while adhering to established architecture standards and governance processes.

As a networking subject matter expert, this position provides technical guidance during the design and implementation of network solutions, supports architecture reviews and trade studies, contributes to the development of reference architectures and technical implementation guides, and assists with the evaluation of emerging technologies. The Network Architect helps resolve complex technical challenges, supports modernization initiatives, and ensures compliance with security, operational, and architectural requirements while promoting consistency across network deployments.

What You Will Do

• Design and maintain network architectures supporting classified programs and enterprise environments.
• Apply architecture principles and methodologies aligned with TOGAF and DoDAF frameworks to develop secure, scalable, and supportable network solutions.
• Collaborate with Senior Network Architects, engineering, operations, cybersecurity, systems, and program teams to develop solutions that meet business, mission, and technical requirements.
• Support architecture governance activities and help ensure compliance with established standards, security requirements, and best practices.
• Develop and maintain architecture artifacts, including network diagrams, design documents, technical implementation guidance, and supporting documentation.
• Provide technical guidance during the design and implementation of network solutions.
• Provide Tier 3/4 escalation support to operational network teams, resolving complex issues that require advanced technical expertise and architectural analysis.
• Support architecture reviews, design forums, technical working groups, and trade studies in partnership with Senior Network Architects.
• Assist with complex problem resolution and provide technical leadership for challenging network issues and modernization efforts.
• Evaluate emerging technologies and contribute recommendations regarding their applicability within classified network environments.
• Collaborate with operational and engineering teams to ensure consistent implementation of approved architectures and designs.
• Support proposal efforts and new program activities by providing technical input and architectural guidance.
• Communicate technical concepts clearly to both technical and non-technical stakeholders.
• Contribute to modernization, standardization, and simplification initiatives across classified network environments.
• Communicate with parties within and outside of the immediate work group, including coordination with customers, vendors, and partner organizations as needed.
• 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

• Classified network architecture principles, design methodologies, and best practices.
• Secure networking solutions, architecture frameworks (TOGAF and DoDAF), and governance processes.
• Cross-functional collaboration with engineering, operations, cybersecurity, systems engineering, and infrastructure teams.
• Network modernization initiatives, emerging technologies, and enterprise design standards.

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' experience
• Experience designing, implementing, and supporting network architectures in enterprise or classified environments.
• Experience working with network technologies, including routing, switching, firewalls, WAN, segmentation, encryption, and secure communications.
• Experience developing network designs, technical documentation, and architecture artifacts to support solution implementation.
• Experience applying architecture principles and methodologies, with knowledge of frameworks such as TOGAF, DoDAF, or similar enterprise architecture frameworks.
• Active and transferable U.S. government issued Secret DOD security clearance prior to start date is required, with the ability to acquire a Top Secret clearance after start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• TOGAF certification, formal TOGAF training, or experience working within an architecture framework.
• Experience supporting classified systems, secure networks, and mission-critical environments.
• Familiarity with RMF / CSRM, NIST, STIGs, ICD 503, and other DoD security frameworks and compliance requirements.
• Strong written, visual, and verbal communication skills, including experience developing technical documentation, network diagrams, and architecture artifacts.
• Cisco CCNA or CCNP certification.
• Experience with Cisco networking platforms and technologies.
• Experience participating in architecture reviews, technology evaluations, or network modernization initiatives.
• Experience collaborating across engineering, operations, cybersecurity, and program teams to develop and implement network solutions.

What We Offer

Our 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 is relocation eligible if the applicant meets 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.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.

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 107,500 USD - 204,500 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.

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