Network Engineer, Principal Specialist, Pelham NH, ONSITE

Location: US-NH-PELHAM-PE1 ~ 50 Bush Hill Rd ~ BLDG 1 Date Posted: 2026-06-08 Position Role Type: Onsite Citizenship & Clearance: U.S. citizenship is required. An active U.S. Department of Defense Secret clearance must be held prior to the start date. Responsibilities Maintain the smooth operation of voice and data networks. Plan, evaluate, coordinate, and perform installation and/or reconfiguration of hardware and software elements of the data and/or voice communication network. Develop technical expertise in all areas of voice and data network hardware and software interconnection and interfacing, such as switches, routers, firewalls, authentication servers, encryptors, etc. Maintain network management software platforms. Propose solutions to management to ensure all communications requirements are met based on future needs and current usage, configuring such solutions to optimize cost savings while aligning with future requirements and factoring in redundancy and required network uptime. Prepare or ensure that appropriate network documentation exists, including operational instructions, technical diagrams, and other documentation; create new documentation where none exists. 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 and with vendors for third‑party support. Design network architectures 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 the technical team through mentoring, training, and knowledge sharing. Willingness and availability to work outside normal business hours (evenings and weekends) as needed. Work with general supervision and follow established procedures. Qualifications You Must Have University degree or equivalent experience with a minimum of 5 years of relevant experience, or an advanced degree in a related field with a minimum of 3 years of experience. Experience with configuration and troubleshooting of Cisco routers, switches, firewalls, and intrusion detection systems, including software upgrades. Experience with current cabling and fiber standards. Active and transferable U.S. government issued U.S. DoD Secret security clearance required prior to start date; U.S. citizenship is required. Preferred Qualifications Willingness and availability to travel domestically as needed. Experience with access control lists, security posture, and vendor best practices. Experience with Visio diagramming and design capabilities. Knowledge of configuration and troubleshooting of encryption devices. Effective customer service skills, including oral and written communication. Experience with platforms such as IP telephony, NTP servers, GemOne, and SolarWinds. Certifications: Security+ within 6 months and Cisco Certified Network Associate (CCNA) highly desired within a year. Ability to work under time constraints. Experience with classified computing, STIG compliance, and network refreshes. Benefits & Salary Salary range: 86,800 USD – 165,200 USD. Relocation support provided if company policy criteria are met. Health, 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. Potential eligibility for annual short‑term and/or long‑term incentive compensation programs, subject to performance and business factors. Benefits depend on the specific business unit and whether the position is covered by a collective‑bargaining agreement. Legal & Equal Opportunity 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. #J-18808-Ljbffr Raytheon