Network Engineer, Principal Specialist, Tucson, AZ, Onsite

Network Engineer – Principal Specialist, Information Workplace Services (P3)

Location:

Tucson, AZ (Onsite)

• Focus on inter‑team communication and documentation to support network projects.
• Plan, evaluate, coordinate, and perform installation or reconfiguration of voice and data network hardware and software.
• Maintain smooth operation of voice and data networks, including switches, routers, firewalls, authentication servers, encryptors, and network management software.
• Propose networking solutions to ensure optimal performance, cost savings, redundancy, and required uptime.
• Prepare and maintain detailed network documentation: operational instructions, technical diagrams, and other documentation.
• Provide monitoring and network analysis for short‑ and long‑range planning.
• Coordinate third‑party maintenance or vendor support for network equipment.
• Design network architectures, select hardware and software packages, define hierarchical structures, and impose geographical limitations.
• Collaborate with program engineers to resolve networking problems in tactical environments.
• Mentor, train, and share knowledge with the technical team.
• Work outside normal business hours (evenings and weekends) as required.

• Apply network engineering skills to defense‑oriented programs.
• Obtain Security+ certification within 6 months and CCNA within a year.

• University degree (or equivalent) with at least 5 years of relevant experience, or an advanced degree with at least 3 years of experience.
• Experience configuring and troubleshooting Cisco routers, switches, firewalls, and intrusion detection systems, including software upgrades.
• Active, transferable U.S. government‑issued security clearance (Secret). U.S. citizenship required.

• Security+ certification within 6 months and CCNA preferred within a year.
• Cisco ISE experience with 802.1X, Solar Winds, and setting up client‑server environments for government networks.
• Experience with current cabling and fiber standards.
• Experience with ACLs, security posture, and vendor best practices.
• Visio diagramming and design skills.
• 1–2 years of experience with network management software.
• Willingness to travel domestically and to work outside normal hours.
• Knowledge of encryption device configuration and troubleshooting.
• Effective customer service and strong written and oral communication skills.
• Experience with IP telephony, NTP servers, Gem One, Solar Winds.
• Ability to work under time constraints.
• Experience with classified computing, STIG compliance, and network refreshes.
• Current DoD Top Secret clearance (if applicable).

The salary range for this role is USD 86,800 – 165,200. Eligible employees may receive medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Scholar Program, parental leave, paid time off, holidays, and incentive compensation programs as applicable.

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, veteran status, or any other 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.