Principle Metrology Engineer

Prattwhitney; El Segundo (CA); Hybrid; USD 118,000 - 225,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Life insurance

Short/Long-term disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee assistance program

Employee Scholar Program

Parental leave

Paid time off

Holidays

Job summary

Raytheon is seeking a Senior Principal Engineer in El Segundo, CA to lead calibration and metrology activities. Responsibilities include calibrating equipment, analyzing data, and preparing reports for multiple programs. The role emphasizes accuracy, standards compliance, and cross-functional teamwork.

The candidate should have a STEM degree with 8+ years of related experience, or an advanced degree with 5+ years. A strong background in metrology equipment and uncertainty analysis is essential.

Qualifications

• Typically requires STEM degree and 8+ years of experience, or an advanced degree with 5+ years experience.
• Experience with calibration in a metrology/quality management environment.
• Master’s degree in physics or mechanical engineering with metrology emphasis is strongly preferred.
• Hands-on experience with advanced electro-optical and dimensional-optical measurement equipment in a primary standards lab.

Responsibilities

• Collaborate with Raytheon personnel across the Surveillance organization to execute equipment calibrations and deliver metrology support.
• Collect and analyze measurement data to confirm adherence to technical specifications and quality criteria.
• Prepare detailed calibration reports and present results in a clear, customer-oriented format.
• Develop, evaluate, and authorize calibration procedures to ensure measurement accuracy and compliance.
• Conduct uncertainty analysis to assess and validate calibration processes.
• Evaluate and fulfill Raytheon’s calibration requirements to maintain production support and regulatory compliance.
• Occasional travel to other facilities or conferences may be required.

Skills

STEM degree

calibration experience

metrology

analytical skills

troubleshooting

team collaboration

Education

Bachelor’s degree in STEM fields

Master’s degree in physics or mechanical engineering (preferred)

Tools

Electro-optical measurement equipment

Dimensional-optical measurement equipment

Job description

Date Posted: 2026-09-29 Country: United States of America Location: US-CA-EL SEGUNDO-E02 ~ 2002 E El Segundo Blvd ~ BLDG E02 Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not Required

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.

The Senior Principal Engineer, Test and Validation, is part of the Raytheon Surveillance Metrology Operations organization. This team is responsible for the calibration and management of measurement and test equipment across the Raytheon Surveillance organization. The position is located within the Surveillance Metrology Operations Primary Standards Laboratory in El Segundo, California; however, the work may support activities across the entire Surveillance organization. Metrology is the scientific discipline focused on measurement and its application. At Raytheon, metrology supports manufacturing and production activities to ensure parts and products comply with specified quality and tolerance criteria. It represents a stable, high-technology, and highly impactful career field.

What You Will Do

• Collaborate with Raytheon personnel across the Surveillance organization to execute equipment calibrations and deliver metrology support, maintaining compliance with contractual requirements as well as applicable government and industry standards.
• Collect and analyze measurement data to confirm adherence to technical specifications and quality criteria.
• Prepare detailed calibration reports and present results in a clear, customer-oriented format aligned with individual client requirements.
• Develop, evaluate, and authorize calibration procedures for measurement and test equipment, ensuring measurement accuracy, repeatability, and full compliance with applicable industry standards and contractual obligations.
• Conduct uncertainty analysis to assess and validate the adequacy, reliability, and overall performance of measurement or calibration processes.
• Evaluate and fulfill Raytheon’s calibration requirements to maintain production support, optimize operational efficiency, ensure regulatory compliance, and preserve the precision of critical systems.
• On rare occasions, travel to other facilities or conferences will be required.

Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience, or an advanced degree in a related field and minimum 5 years experience.
• Experience with calibration in a metrology and/or quality management environment.
• Master’s degree in physics or mechanical engineering with an emphasis on metrology is strongly preferred.
• Hands-on experience with advanced electro-optical and dimensional-optical measurement equipment in a Primary Standards-level laboratory, performing calibrations and verifications against traceable standards to ensure accuracy and compliance, is strongly preferred.
• Ability to troubleshoot complex technical issues, meet tight deadlines, and manage multiple tasks efficiently.
• Adaptable team contributor with the ability to work independently on technical tasks or collaborate effectively within cross-functional teams.
• Primary work hours are on first shift, but on rare occasions, shift adjustments may be necessary to support operational needs.
• Interviewee must be able to lift and carry maximum of 20 pounds.

What We Offer

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.

• 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.
• 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.

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.