Senior Network Engineer, onsite, El Segundo, CA (TS Clearance Required)

Date Posted: 2026-06-17 Country: United States of America Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 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: Top Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 Senior Network Engineer P4 Raytheon Digital Technology Classified Infrastructure Services El Segundo, CA – ONSITE position US Dod Top Secret Clearance Required – TS/SCI preferred. At RTX, the world 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. Raytheon, an RTX Company, is looking for an experienced Senior Network Engineer (P4) with a US DoD Top-Secret clearance to work as part of a collaborative team to support our classified networks at our El Segundo facility in California (Relocation Eligible). What You Will Do: Duties will include, but are not limited to the following: • Configure, manage, and upgrade Cisco network hardware and software, such as switches, routers, ASAs, Next Generation IPS (Firepower) • Ensure Information Assurance compliance for network hardware and software and mitigating identified vulnerabilities. Remediate IAVAM and DISA STIGS • Ensure compliance with security and performance requirements (NISPOM, RMF, DISA STIGs, NIST, etc.) • Assure a high level of reliability and performance through systems monitoring and infrastructure management. The ideal candidate is organized, able to work well with others, able to work under time constraints, able to multi-task and prioritize work, be able to work independently as well as a member of a team and have good problem-solving skills. The candidate’s work will be performed with general direction. The candidate will frequently interact with inter-organizational contacts representing the Digital Technology organization in the support of Raytheon Strategic Business Unit program area engineering end-user community. The ideal candidate also must be a US citizen holding at a minimum a Top-Secret clearance. Qualifications You Must Have: Role typically requires bachelor’s degree and 8 years' experience, an advanced degree, and 5 years’ experience or 12 years of direct experience in lieu of degree. An active and transferable U.S. government issued TOP SECRET security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experienced in LAN, WAN, Routers, Switches, and other network hardware. Qualifications We Strongly Prefer: Must have background with LAN, WAN, Routers, Switches, and other network hardware. Experience with Type-1 HAIPE Encryptors, VPN technologies (IPSec, GRE, L2TP, DMVPN, etc.) Knowledge of firewall, access control lists, and IP address management Experience with IDS/IPS, host-based security and integrating firewall appliances, including DMZ design and ACL implementation. Ability to create accurate network diagrams and documentation for design and planning network communication systems. Experience with 802.1X and Radius authentication software-based configurations. Strong written and verbal communication skills Security+ and CCNA certifications. Qualifications we Prefer: Experience implementing IDS/IPS, host-based security and integrating firewall appliances, including DMZ design and ACL implementation Experience with SolarWinds, Visio, SNMP-based network management Experience with TACACS/Radius authentication software-based configuration Experience with vulnerability scanning and threat mitigation technologies Experience with ACAS, SCAP, NESSUS Experience with Palo Alto firewalls CCNP highly desired TS/SCI clearance desired – Special Access Program clearances 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 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. 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. Clearance Information: This position requires an active Top Secret security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: 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 118,300 USD - 224,900 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 RTX 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, Pratt & Whitney, and Raytheon. Its 195,000 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, Virginia.