Senior ISR Software Engineer - Defense Tech

L3Harris; Greenville (TX); On-site; USD 120,000 - 170,000; Full time

Job summary

L3Harris is seeking a Specialist, Software Engineering in Greenville, Texas to develop and sustain software for ISR programs. You’ll cover requirements, design, implementation, integration and test, coordinating with hardware teams and other engineers.

Candidates should expect to work under general supervision and may guide others. The role involves translating requirements into designs, maintaining software interfaces, executing tests, and communicating progress and risks to stakeholders.

Qualifications

• Requires Bachelor’s Degree with minimum 9 years of relevant experience or Graduate Degree with 7 years, or 13 years without a degree.
• Experience across software requirements, design, implementation, integration, testing, and documentation through SDLC.
• Experience collaborating with cross-functional engineering teams under cost, schedule, and technical constraints.
• Aerospace/DoD programs, ISR systems, or active TS/SCI clearance is preferred.

Responsibilities

• Translate software requirements into designs, implementation plans, and testable solutions.
• Design, develop, integrate, and maintain software applications and services for target systems.
• Define interfaces with hardware and other disciplines and evaluate performance.
• Develop and execute software test procedures and document results.
• Investigate defects, integration issues, and performance problems and implement fixes.
• Estimate scope and effort; track work against program objectives.
• Communicate decisions, progress, and risks to stakeholders including customers or vendors.

Skills

C/C++/Java

Embedded RTOS

Distributed systems

UI/Backend services

SQL/NoSQL

Automation testing

Version control

CI/CD

Secure coding

Education

Bachelor's Degree

Graduate Degree

Tools

Red Hat Linux

Windows Server

Real-time OS

Containerization (Docker/Kubernetes)

Job description

L3Harris is seeking a Specialist, Software Engineering in Greenville, Texas to develop and sustain software for ISR programs. You’ll cover requirements, design, implementation, integration and test, coordinating with hardware teams and other engineers.

Candidates should expect to work under general supervision and may guide others. The role involves translating requirements into designs, maintaining software interfaces, executing tests, and communicating progress and risks to stakeholders.