Principal Systems Engineer

Date Posted:

2026-04-23

Country:

United States of America

Location:

US-MD-LEXINGTON PARK-410 ~ 46579 Expedition Dr ~ BLDG 410, Ste 400

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ 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:

Active and existing security clearance required after day 1

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.

At Raytheon, our mission is rooted in a higher calling—to help our nation and allies defend freedoms and stay ahead of tomorrow’s threats. We apply more than a century of engineering excellence to solve complex, meaningful problems that create a safer, more secure world.

We are seeking a Principal Systems Engineer to support a growing Data Analytics & Systems Engineering team within the Transformation & Initiatives (T&I) organization. The engineer will contribute expert-level technical execution in data engineering, analytics, ETL pipeline development, AI/ML‑enabled analysis, and systems-level data integration supporting Raytheon Missiles & Defense programs.

This is an experienced technical contributor role. The P4 engineer independently executes complex analytics and integration tasks, supports multi‑disciplinary engineering teams, and advances improvements in data workflows and processes. In addition, the P4 provides day‑to‑day technical guidance and direction to early‑career engineers, ensuring high‑quality execution and consistent engineering practices across the team while contributing significantly to the broader engineering transformation effort.

This position is located onsite in Lexington Park, MD.

What You Will Do

Data Engineering & Technical Execution

·        Build, maintain, enhance, and troubleshoot ETL pipelines and engineering data workflows.

·        Develop and apply analytics using Python, SQL, and enterprise data platforms (Snowflake, ClickHouse, Superset, Power BI, Tableau).

·       Perform data modeling, statistical analysis, trend identification, and automation to support program decision-making.

·       Implement ML- or NLP‑based analytic modules (e.g., anomaly detection, ambiguity analysis) under technical direction.

Systems Engineering & Integration Support

·       Support system-level data integration, requirements traceability, and cross-tool alignment.

·       Prepare technical documentation, process artifacts, and repeatable workflows that improve engineering efficiency.

·       Ensure data quality, validation, and consistency across engineering baselines.

Cross-Functional Collaboration

·       Collaborate with engineering, program management, and operations teams to translate data into actionable insights.

·       Communicate results clearly to technical audiences and internal stakeholders.

·       Provide mentorship to early-career engineers or interns on tools and analytical methods

Qualifications You Must Have

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

• Experience with Python, SQL, and modern data engineering workflows.

• Prior experience performing data analysis, automation, or ETL development.

Qualifications We Prefer

• Experience with Snowflake, ClickHouse, Apache Superset, Power BI, Tableau, or similar analytical tools.

• Experience building automation, dashboards, or predictive analytics models.

• Familiarity with AI/ML techniques (forecasting, anomaly detection, NLP).

• Background in defense systems engineering, sensors, radars, or weapon systems (preferred but not required).

• Background in radar, sensors, command & control, or complex defense systems (desired but not required).

• Active DoD Secret or Top Secret clearance.

• Master’s degree in Engineering, Computer Science, Data Science, or related field.

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.

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role. 

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.

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 107,500 USD - 204,500 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.

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