Specialist, Systems Engineering (GREENVILLE)

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 Title: Specialist, Systems Engineering

Job Code: 40110

Job Location: Greenville, TX

Job Schedule: 9/80 Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off.

Role is contingent upon contract award (estimated July 2026)

Job Description:

L3Harris Technologies is seeking a Specialist, Systems Engineer/Architect . The ideal candidate is responsible for the daily technical and operational activities of a high‑performance System Integration Laboratory (SIL) environment supporting advanced airborne ISR ground exploitation systems. This role combines hands‑on technical oversight, upgrade, installation and maintenance of the system. This position has a direct impact on system readiness, mission success, and the continuous improvement of SIL workflows and capabilities.

Essential Functions:

• Interfaces with the supervisor, customer, software development engineers, project engineering, and program management to determine SIL architecture and support requirements.
• Assists in planning / executing periodic SIL upgrades to new equipment and software configurations.
• Review and evaluate system diagrams to ensure design details trace to system requirements.
• Understand physical architecture incorporating voice and data capability across multiple security domains.
• Install, test, troubleshoot, and verify system upgrades and system infrastructure to meet customer performance expectations.
• Translate the voice of the customer into system level requirements.
• Understand test, integration, verification, and validation planning.
• Author and execute effective verification test procedures ensuring system performance and capabilities meet system requirements.
• Perform hands-on test, integration, and verification of software and/or hardware.
• Monitors ongoing test/integration activities and provides technical support, troubleshooting and recommendations for repair or replacement of defective or outdated equipment.
• Familiar with installation and configuration of Virtual Machines (VMs) in a Linux environment.
• Starts up all SIL equipment and verifies system readiness for testing.
• Excellent written, oral, and presentation communications skills.
• Candidate must be willing and able to work a flexible job schedule to include occasional overtime.
• Candidate must be willing to travel both CONUS and OCONUS up to 10% of the time.
• The candidate will be required to obtain and maintain CompTIA Security+ certification.
• Active Secret Clearance at the time of hire with the ability to obtain a Top Secret with SCI.

Qualifications:

• Bachelor’s Degree and a minimum of 4 years of prior related systems engineering experience.
• Graduate Degree or equivalent with 2 years of prior related systems engineering experience.
• In lieu of a degree, a minimum of 8 years of prior related systems engineering experience.
• Demonstrated understanding of hardware test strategies, fault isolation, automated tests, use of diagnostic test equipment, and generating and interpreting test requirements.
• Demonstrated experience in systems engineering, systems architecture, systems analysis and design, system performance modeling, integration, and/or model-based systems engineering. 
• Demonstrated experience operating in a Linux environment.

Preferred Additional Skills:

• Active Top Secret with SCI security clearance.
• CompTIA Security+ Certification.
• Experienced with DOORS and/or Jira.

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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, chil]]> <