Lte System Integration Test Engineer Jobs (NOW HIRING)

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.

The Systems Integration & Test Engineer will oversee system verification and test planning for the integration of the spacecraft bus, mission payload, and communication payload, culminating in end‑to‑end testing. Responsibilities include leading a team of I&T engineers through the product life cycle, from initial requirement analysis for testability to designing and developing test plans and flows. Additionally, this role involves defining, planning, and implementing strategies for test, verification, validation, qualification, and acceptance testing.

• Provide mastery-level system integration and test engineering expertise to a team.
• Lead space hardware and software integration and verification testing at acceptance, proto‑flight, and qualification levels for all relevant environments (vibration, thermal, vacuum)
• Develop verification plans, test procedures, and test flows, and lead the execution of test procedures.
• Document test results in reports to ensure system requirements are met.
• Lead requirements verification for components, subsystems, and systems.
• managing the Test Bed and Simulators used during integration and test activities.
• Identify and resolve technical issues and anomalies during integration and testing, collaborating with cross‑functional teams to address discrepancies.
• Collaborate with cross‑discipline teams (systems, mechanical, structural, thermal, power, optical, RF, electrical) in development, integration, and execution.
• Represent Space Integration & Test engineering during major system level design reviews including System Requirements Review (SRR), Preliminary Design Reviews (PDR), Critical Design Reviews (CDR), and Test Readiness Reviews (TRR), and Pre‑Shipment Review (PSR)

• Bachelor’s Degree and a minimum of 12 years of engineering experience. Graduate Degree and a minimum of 10 years of engineering experience. In lieu of a degree, a minimum of 16 years of engineeringexperience
• Experience with system‑level space requirements verification, including allocation, testability, flow down, analysis, testing, and demonstration.
• Experience executing all phases of space vehicle programs (SRR, PDR, CDR, IRR, TRR, PSR, etc.)
• Experience with space hardware/software integration, testing, and troubleshooting
• Experience with Flat Sats and simulators
• Secret Clearance

• Technical leadership experience in an SI&T role
• Experience designing Mechanical Ground Support Equipment (MGSE) and/or Electrical Ground Support Equipment (EGSE) for large space vehicles.
• Strong understanding in space vehicle subsystem designs: Power, Thermal, Communications (Optical or RF), Data Management, Structures, Mechanisms, GNC, Propulsion, Configuration/Packaging, Software, Fault Management, Harness
• Proficiency with Interface Definition Documents (IDDs) and Interface Control Drawings (ICDs)
• Expertise in requirements management, traceability, and verification using IBM Rational DOORS and MBSE tools (CAMEO)
• Experience directly interfacing with customers (both prime contractors and end customers) to resolve technical issues during the development and sell‑off of space hardware.
• Experience in risk management

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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.

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