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Systems & Test

Sr. Specialist, Integration & Test Engineer

L3Harris logoL3Harris~$124k–$203k/yrtypicalRockwall, TX, United StatesFull-timePosted 2w ago
  • TS/SCI clearance
  • Security+

How this pay compares

This posting does not state its pay. Open test engineer jobs in Texas post a median of $160k a year, the middle half $116k–$175k, across 7 jobs that state their pay.

Test engineers in Texas: pay by town and employer

About the job

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 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 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 .

From L3Harris's job posting, checked 7 Nov 2026. The employer's own page is the final word on requirements and availability.

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About L3Harris

Satellites, space sensors and rocket engines, inside a defense and aerospace prime.

Pay on its listings: 41.4% of its open jobs state an hourly rate

How it pays: Paid as an employee on L3Harris's own payroll (salaried or hourly, as each posting states).

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