Space Domain I&T Engineer

L3

Harris 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. L3

Harris 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.

L3

Harris 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:
Specialist, Integration and Test Engineer

Job Code: 44871

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, L3

Harris 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 L3
  
  Harris operations.
• Communicate with government customers to validate requirements and clarify L3
  
  Harris 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 minimum 4 years of prior relevant experience. Graduate Degree with 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
• Active U.S. DoW Secret security clearance with the ability to obtain TS/SCI access within 1 year 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/MBT/SysML
• Familiarity with Eggplant or similar testing tools
• Familiarity with Jira/Confluence (or equivalent)
• Familiarity with Scaled Agile Framework & Dev Sec Ops  methodology
• Familiarity with
  
  Java and C++ application software
• Proficiency in Linux

In compliance with pay transparency requirements, the salary range for this role in Colorado state is $76,500 - $142,500. 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. L3

Harris 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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L3

Harris Technologies is proud to be an Equal Opportunity Employer. L3

Harris 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,…