
Sr. Associate, Test Engineer
John C Stennis Space Center, MSJobSeen 2 days agoSeen in employer's feed 2 days ago
Most applications go out cold — see where you stand first. No sign-up to start.
Watch jobs like this. New roles like this one near John C Stennis Space Center, MS, by email.
Don't just apply. Show up ready.
Olive works from this exact posting.
At a glance
Olive lists jobs from US employers, including remote roles you can work from the United States.
Requirements
Credentials this posting asks for.
Job overview
L3Harris seeks a Sr. Associate, Test Engineer to support safe and effective RS-25 rocket engine testing and assembly at Stennis Space Center. The role works with related disciplines, contractors, and customers to support successful product testing. It includes supporting component assembly, testing, and verification, conducting inspections and leak checks, and coordinating with Quality, Engineering, and Safety organizations.
Skills & qualifications
Skills
Qualifications
Full 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 (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) or Spanish (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) . For information regarding your Right To Work, please click here for English (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRights\_10\_20.pdf) or Spanish (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRightsSp\_10\_20.pdf) .
How this job compares
Set against the 3,118 open Test Engineer jobs on Olive Jobs, counted October 27, 2026.
- Pay
- This postingNot listed
- US median$105–163K/yr2,083 salary ranges
- US median$40–57/hr184 hourly ranges
- Openings
- Olive Jobs lists 20 open Test Engineer jobs in Mississippi and 3,118 across the US. 3% of them nationwide are listed as remote or flexible.
- Hiring the most in Mississippi
- Akamai Technologies, Inc.2 open
- ASM Research, An Accenture Federal Services Company2 open
- L3Harris (this employer)2 open
- Experience
- This posting asks for at least 2 years of experience; Test Engineer postings that state a minimum ask for 5 years at the median (2,639 postings).
- Education
- 1,772 of the 3,118 open Test Engineer jobs (57%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on October 27, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
Similar jobs, posted recently
Open roles like this one, listed in the last 30 days.
Systems Integration/Test EngineerLockheed Martin · Stennis Space Center, MS · $71–131K/yr
Lead, Propulsion Test EngineerRocket Lab USA · Stennis Space Center, MSBuild Engineer II / Senior Build Engineer IRocket Lab · Stennis Space Center, MSPosted 4w agoPosted 4w ago
Sr. Associate, Test Engineer - InstrumentationL3Harris · John C Stennis Space Center, MSGround Systems Engineer II, MechanicalRocket Lab · Stennis Space Center, MSPosted 4 days agoPosted 4 days ago
You've read the whole posting — now see how you match it.