Network Engineer, Principal Specialist, Tucson, AZ Onsite (3 openings)

Job ID: 01870057Posted: Posted TodayStart Date: 2026-09-01Location: US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928Country: United States of AmericaTime Type: Full timeDate Posted:2026-09-01 Country:United States of America Location:US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928 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 1Network Engineer, Principal Specialist (P3) Raytheon Digital Technology Classified Infrastructure Services Tucson, AZ – Onsite Position/Active US Clearance required.3 open positionsAt 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.Join this high impact team as a Network Engineer (P3) to ensure the smooth operation of classified network infrastructure at our Raytheon/RTX locations. The installation, maintenance, support, and monitoring of the network infrastructure will be performed. Candidate must have advanced background supporting networks and have an active US Secret Security Clearance to be considered. This role is in Tucson, AZ and the role will be onsite at our facilities there to work in classified computing areas. This role is in SAP areas. This role is relocation eligible if the selected applicant meets company policy criteria.   What you will Do: Focuses on Inter-team communication and organization of clear documentation of network details to support and enable smooth project growth. We ideally need someone with Cisco ISE experience with 802.1X, SolarWinds, and setting up client server environments for government networks. Maintains smooth operation of voice and data networks. Plans, evaluates, coordinates, and performs installation and/or reconfiguration of hardware and software elements of data and/or voice communication network. Develop technical expertise in all areas of voice and data networks hardware and software interconnection and interfacing, such as switches, routers, firewalls, authentication servers, encryptors etc. Maintains network management software platforms. Propose solutions to management to ensure all communications requirements based on future needs and current usage, configuring such solutions to optimize cost savings aligning with future requirements factoring in redundancy and required network uptime. Prepares or ensures that appropriate network documentation exists, including operational instructions, technical diagrams, and other documentation. Where no documentation exists, new documentation will be created. Provide regular monitoring and network analysis regarding short- and long-range planning for in-house systems. Assist with coordination of third-party maintenance for network equipment or with vendors for third-party support. Network designs that include selection of hardware and software packages, hierarchical architecture, and geographical limitations. Work with program engineers to resolve networking problems in tactical environments. Assist in the overall performance and capability of technical team through mentoring, training, and knowledge sharing. Willingness and availability to work outside normal business hours (evenings and weekends) as needed. Must be able to work with general supervision and follow established procedures. What you will Learn:You will apply your Network Engineering skills to defense-oriented programs. Obtain Certifications in Security+ within 6 months and Cisco Certified Network Associate (CCNA) is highly desired within a year. Qualifications You Must Have: Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years' experienceExperience in configuration and troubleshooting of Cisco routers, switches, firewalls, and/or intrusion detection systems, including software upgrades. Active, In-Scope 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. Qualifications We Prefer: Certifications in Security+ within 6 months and Cisco Certified Network Associate (CCNA) is highly desired within a year. We ideally need someone with Cisco ISE experience with 802.1X, SolarWinds, and setting up client server environments for government networks. Experience with current cabling and fiber standards. Experience with access control list, security posture, and vendor best practices. Experience with Visio diagramming and design capabilities. 1-2 years of experience with network management software. Willingness and availability to travel domestically as needed. Knowledge of configuration and troubleshooting of encryption devices. Effective customer service skills, including oral and written communications. Experience with platforms such as IP telephony, NTP servers, GemOne, and SolarWinds. Ability to work under time constraints. Experience with classified computing, STIG compliance, and network refreshes Current DoD Secret level security clearance 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 will provide relocation support if the selected applicant qualifies per company policy. 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 86,800 USD - 165,200 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