Sr. Specialist, Integration & Test Engineer
L3HARRIS Technologies
Rockwall, TX · Posted October 21, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at L3HARRIS Technologies
More in Texas job market · All Sr. Specialist jobs (135) · Aerospace & Defense · Engineering jobs
More roles at L3HARRIS Technologies
- Senior Manager, Program Management (PMX Leader & Chief of Staff) · Melbourne, FL
- Principal, Contracts · Salt Lake City, UT
- Senior Principal, Global Trade Compliance Counsel · Melbourne, FL
- Sr. Manager, Systems Engineering · San Diego, CA
- Principal, Supply Chain Program Management · Fort Wayne, IN
- Director, Aerospace Engineering · Waco, TX
Similar jobs
- JSE Lead Cloud-Cyber Architect · Flightsafety Defense · Fort Worth, TX
- Senior Solution Engineer · Nucor · Dallas, TX
- Principal Systems/Applications Engineer · Skyworks Solutions · Richardson, TX
- Staff Systems Engineer · Skyworks Solutions · Austin, TX
- Principal Technical Architect · Blue Yonder · Coppell, TX
- Sr Solution Architect (Retail Planning) · Blue Yonder · Coppell, TX
Engineering jobs in the rankings
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)
How AI is used in this kind of work
Among computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
Job Title: Sr. Specialist, Integration/Test Engineering
Job Code: 46571
Job Location: Rockwall, TX
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 some 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 and 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 to resolution.
Perform manual and automated testing to ensure software performance/functionality meets the high standards required for L3Harris operations.
Collaborate with Systems Engineers, Software Engineers and senior Integration & Test Engineers to identify system requirements for Validation & Verification.
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.
Support cloud environment operations through the use of Docker containers, Kubernetes orchestration, and Helm chart-based deployments.
Qualifications:
Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
Ability to obtain TS/SCI access within 6 months of hire.
Preferred Additional Skills:
Active U.S. DoW TS/SCI security clearance.
Active Security+ CE certification
Basic knowledge of the Space Domain Awareness enterprise and engineering efforts.
Familiarity with MBSE/Eggplant and similar testing tools as well as DoW testing requirements.
Familiarity with Jira/Confluence (or equivalent)
Experience in Scaled Agile Framework & DevSecOps methodology
Java and C++ application software testing
Proficiency in Linux
Proficiency in Test Automation software
Proficiency in Python programming
#LI-ZB2