L3Harris Technologies · John C Stennis Space Center, MS

Sr. Associate, Test Engineer

John C Stennis Space Center, MSSenior individual contributorOperations

Listed on L3Harris Technologies’s official careers site. Listed as of November 2, 2026. Check that it is still open and apply there.

Apply on L3Harris Technologies’s careers site →

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title

Sr.

Associate, Test Engineer Job Code

46296 Job Location: Stennis Space Center, MS Job Schedule: 4/10: Employees work 10 hour days, 4 days a week Job Description: Responsible for safe and effective rocket engine test and assembly of the RS-25 engine. This position works in concert with related disciplines, contractors, and customers to ensure the successful testing of L3Harris products.

Essential Functions

Supports the assembly, test, and verification of rocket engine components. Conducts leak checks, inspections, and other engine related tasks. Creates and maintains check sheets for work performed by technicians. Works with Quality, Engineering, and Safety organizations to achieve common goals. Communicates with contacts inside and outside of own department to explain and interpret operational processes, practices, and procedures.

Recommends enhancements to systems and processes. Works to achieve operational targets for specific programs and projects. Works under general supervision. Ability to obtain a DOD Secret Security Clearance.

Qualifications

Bachelor’s Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 6 years of prior related experience.

Preferred Additional Skills

Strong written and verbal communication skills. Demonstrated strength in teaming and collaboration. Experience working in a testing environment. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws.

L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish .

For information regarding your Right To Work, please click here for English or Spanish .

More jobs at L3Harris Technologies

Specialist, Facilities Engineering

John C Stennis Space Center, MS

Sr. Associate, Test Engineer - Instrumentation

John C Stennis Space Center, MS

Manufacturing Technician B

John C Stennis Space Center, MS

Manufacturing Technician C

John C Stennis Space Center, MS

Similar jobs at other companies

Integration and Test - Test Engineer

Lockheed Martin · Huntsville, AL

Integration and Test - Test Engineer Mid Career

Lockheed Martin · Huntsville, AL

Senior System Test Engineer – Mechanisms and Test Scripts

BAE Systems · Boulder, Colorado, United States

Test Engineer

Eaton · Richmond, Virginia, USA

OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations.