Senior Associate, Integration and Test Engineer
L3HARRIS Technologies
Colorado Springs, CO · Posted September 29, 2026
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November 2026
- #2Best cities for software and engineering jobs in the Mountain West366 openings · of 22
- #4Cities with the most jobs that do not need a four-year degree in the Mountain West58 jobs · of 15
- #6Best all-round cities for mid-career professionals in the Mountain West47 / 100 · of 11
- #7Best cities for mid-career professionals in the Mountain West58% · of 19
- #9Best cities for aerospace and defense jobs245 openings · of 67
- #9Cities with the most jobs that need no experience in the Mountain West0.9% · of 18
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
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About the job
Job Title: Senior Associate, Integration and Test Engineer
Job Code: 44876
Job Location: Colorado Springs, CO
Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked (Every Other Friday Off)
Job Description:
As the premier provider of Space Domain Awareness (SDA) mission solutions for the United States Space Force, L3Harris is seeking a mid-level Integration and Test Engineer to perform Software Systems Integration and System Test functions related to the MOSSAIC C2 Space Domain Awareness (SDA) mission. The ideal candidate will have experience in Systems Engineering Integration & Test (SEIT) activities such as Requirements Development/Derivation, Test Documentation (Plans, Procedures, Reports), Test Execution, System Troubleshooting, and Defect Tracking/Resolution.
Essential Functions:
Execute and assist in developing detailed test plans, procedures and cases based on system requirements.
Identify, record, document thoroughly, and track defects through resolution.
Perform manual and automated testing to ensure software performance/functionality meets the high standards required for L3Harris operations.
Communicate with government customers to validate requirements and clarify L3Harris engineering processes.
Collaborate with Systems Engineers, Software Engineers and senior Integration & Test Engineers to identify system requirements for Validation & Verification, ensuring stakeholder needs are met.
Participate in design reviews and provide input on requirements, product design, test methodology and potential problems.
Analyze test results, detect issues, and track root causes in collaboration with the development and test teams.
Assist in the creation and maintenance of technical documentation, including System Models based in SysML.
Assist in the creation and maintenance of the Test Automation suite.
Qualifications:
Bachelor’s Degree and 2 years of prior relevant 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.
U.S. DoW Secret security clearance.
Preferred Additional Skills:
Active Security+ CE certification
Basic knowledge of the Space Domain Awareness enterprise and engineering efforts.
Familiarity with MBSE/MBT/SysML
Familiarity with Eggplant or similar testing tools
Familiarity with Jira/Confluence (or equivalent)
Familiarity with Scaled Agile Framework & DevSecOps methodology
Familiarity withJava and C++ application software
Proficiency in Linux
In compliance with pay transparency requirements, the salary range for this role in Colorado state is $67 ,000 - $124,000 . This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
The application window for this position will close on 11/30/2026.
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