Principal Systems Engineer, String Engineer and Analyst

Socket.dev; San Diego (CA); On-site; USD 118,000 - 225,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

RTX's Systems Engineering and Test Capabilities in San Diego seeks a Principal Systems Integration & Test Engineer to advance radar capability development. You'll perform hands-on hardware/software testing in Linux-based lab environments and coordinate across multidisciplinary teams.

The role requires a STEM degree with 8+ years of related experience, experience with MATLAB, Python, Perl, and scripting, and travel up to 15%. U.S. citizenship and DoD Secret clearance are prerequisites.

Qualifications

• Degree in STEM and 8+ years of relevant experience.
• Experience with MATLAB, Python, Perl, Shell, Linux/Unix.
• Experience with hardware/software testing in an engineering lab environment.
• Experience with networking principles.

Responsibilities

• Assist in planning, executing, and documenting system integration and test activities for a radar program in a laboratory environment.
• Perform hands-on testing and integration of hardware and software, with a focus on systems running Linux-based operating environments.
• Troubleshoot and resolve system-level issues related to software, hardware and operating systems under the guidance of senior engineers.
• Collaborate across multidisciplinary teams to identify and address technical challenges.
• Develop and execute detailed test plans, procedures, and reports in accordance with program requirements.
• Support system-level test readiness reviews, test execution and post-test analysis.
• Ensure adherence to safety protocols, quality standards, and program-specific processes.
• Willingness to support up to 15% domestic and international travel.

Skills

Systems engineering

Data analysis

System testing

Troubleshooting

Linux

MATLAB

Python

Perl

Shell scripting

Networking basics

Education

STEM degree

Tools

RHEL

Cisco Switch Configuration

NTP/PTP

Job description

Date Posted: 2026-09-21

Country: United States of America

Location: US-CA-SAN DIEGO-SD1 ~ 8650 Balboa Ave ~ SAN ANTONIO BLDG

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: DoD Clearance: Secret

Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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.

Raytheonbrings the strength of more than 100 years of experience and renowned engineeringexpertiseto 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’s Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center is seeking a motivated and experienced Principal Systems Integration & Test Engineer to support radar capability development in San Diego, CA. This is an opportunity to work with cutting-edge radar technology, leveraging your expertise in Linux operating systems, hands‑on experience with system hardware and software in test lab environments, and exceptional troubleshooting skills to solve complex technical challenges. If you're a proactive problem-solver with a collaborative mindset and are ready to make an impact in the aerospace and defense industry, we encourage you to join our innovative team driving the future of advanced radar systems.

What You Will Do

• Assist in planning, executing, and documenting system integration and test activities for a radar program in a laboratory environment.
• Perform hands‑on testing and integration of hardware and software, with a focus on systems running Linux-based operating environments.
• Troubleshoot and resolve system-level issues related to software, hardware and operating systems under the guidance of senior engineers.
• Collaborate across multidisciplinary teams to identify and address technical challenges.
• Develop and execute detailed test plans, procedures, and reports in accordance with program requirements.
• Support system‑level test readiness reviews, test execution and post‑test analysis.
• Ensure adherence to safety protocols, quality standards, and program‑specific processes.
• Willingness to support up to 15% domestic and international travel.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.

• Experience with systems engineering, data analysis, integration, verification, validation and/or system testing.
• Experience with MATLAB, Python, Perl, Shell scripting, Linux, and/or Unix.
• Experience with hardware and/or software testing in an engineering lab environment.
• Experience with networking principles.

Qualification We Prefer

• Familiarity with test equipment such as oscilloscopes, spectrum analyzers, and data acquisition systems.
• Experience working with modern radar systems, radar signal processing, and real‑time systems integration.
• Hands‑on expertise in electronic hardware configuration, software installation, and network setup for systems operating in String/HWIL facilities.
• Experience with String/HWIL test equipment, RF electronic hardware, and radar systems integration and testing.
• Certifications such as CompTIA Network+ or CompTIA Security+.
• Proficiency in Red Hat Enterprise Linux (RHEL), Cisco Switch Configuration, clock synchronization (NTP/PTP), and shell scripting for integration, verification, and data analysis.
• Knowledge of system security concepts and tools in Linux environments.
• Familiarity with agile and DevSecOps practices, including participation in sprint reviews, PI planning, retrospectives, and experience with tools such as JIRA and Confluence.

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 Eligible – Relocation assistance available

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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.