Software Engineer

L3Harris Technologies

. Develop and sustain software for Intelligence, Surveillance, and Reconnaissance (ISR) programs .

Posted 11/10/2026full-timeGreenville • Texas • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in software development across the full software development life cycle, including requirements analysis, design, implementation, testing, and documentation. Proficient in programming languages such as C, C++, C#, Java, or Python, with experience in embedded systems and real-time software integration.

Highest-signal resume keywords

Software Development Life CycleC, C++, C#, Java, PythonEmbedded SystemsTop Secret/Sensitive Compartmented Information ClearanceAutomated Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software RequirementsSoftware DesignSoftware ImplementationSoftware TestingTechnical DocumentationHardware/Software IntegrationMultithreaded ProgrammingSQL Database DesignNoSQL Database QueriesDebugging Tools

Soft Skills

Technical CommunicationProblem SolvingCollaboration

Tools & Technologies

Red Hat Enterprise LinuxWindows ServerReal-Time Operating SystemsVersion ControlContinuous IntegrationContainerized Environments

Certifications & Qualifications

Top Secret/Sensitive Compartmented Information Clearance

Industry Keywords

Intelligence, Surveillance, and ReconnaissanceAerospace ProgramsDepartment of Defense ProgramsDeployed ISR Systems

Tech Stack

Tools & technologies

Distributed SystemsJavaLinuxNoSQLPythonSDLCSQLTypeScriptC++

About the role

Key responsibilities & impact

Develop and sustain software for Intelligence, Surveillance, and Reconnaissance (ISR) programs
Translate software requirements into designs, implementation plans, and testable solutions
Design, develop, integrate, and maintain software applications and services for target systems
Work with systems, hardware, and other engineering disciplines to define interfaces and evaluate operational performance
Develop and execute software test procedures; document results and maintain technical records
Investigate software defects, integration issues, and performance problems, and implement fixes
Estimate and validate software scope and effort; track work against program cost, schedule, and technical objectives
Communicate technical decisions, progress, and risks to engineering and program stakeholders, including customers or vendors when assigned
Recommend improvements to software and development practices
Provide technical guidance and review others’ work when assigned

Requirements

What you’ll need

Bachelor’s Degree and minimum 4 years of prior relevant experience
Graduate Degree and a minimum of 2 years of prior related experience
In lieu of a degree, minimum of 8 years of prior related experience
Experience with software requirements, design, implementation, integration, testing, and technical documentation across the software development life cycle
Experience contributing to software development with cross-functional engineering teams within program cost, schedule, and technical constraints
Ability to obtain a Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance following investigation
Preferred: Software development in C, C++, C#, Java, or Python
Preferred: Experience with Red Hat Enterprise Linux, Windows Server, or real-time operating systems
Preferred: Embedded or real-time software, hardware/software integration, and multithreaded or parallel programming
Preferred: Distributed systems, network sockets, or Protocol Buffers
Preferred: User interfaces, web applications, backend services, scripting, and deployment in virtualized or containerized environments
Preferred: SQL or NoSQL database design and queries
Preferred: Automated testing, version control, continuous integration and delivery, debugging tools, secure coding, or static analysis
Preferred: Aerospace or Department of Defense programs, deployed ISR systems, third-party software integration, or an active TS/SCI clearance

Benefits

Comp & perks

9/80 work schedule: employees work 9 out of every 14 days, totaling 80 hours, with every other Friday off
Reasonable accommodation for individuals with disabilities