Software Engineer – Application Infrastructure, Embedded Systems

L3Harris Technologies

. Develop and integrate software for flight test instrumentation and shipboard systems .

Posted 9/25/2026full-timeUnited StatesJuniorMid-Level💰 $84,500 - $180,000 per yearWebsite

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 SDLC, with a strong focus on embedded and real-time systems. Proficient in system/software requirements management and familiar with various development tools and methodologies.

Highest-signal resume keywords

Active US Secret Security ClearanceEmbedded Software DevelopmentC/C++/C#/Java/Python ProgrammingSystem/Software Requirements ManagementAgile/DEVOPS Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentRequirements ManagementEmbedded Software DevelopmentGUI Design and DevelopmentStatic Code AnalysisDatabase Application DevelopmentVirtualizationContainerizationClient/Server ArchitecturesRoot Cause Analysis

Tools & Technologies

DOORSVisual Studio/.NETLinux/RHELWindows OSQt EnterpriseRTOSOracle RDBMSSQL ServerSQLiteUML/MBSE

Industry Keywords

Flight Test InstrumentationShipboard SystemsTrade StudiesTechnical InvestigationsIntegrated Product Team Frameworks

Tech Stack

Tools & technologies

JavaLinuxOraclePythonQtRDBMSRTOSSDLCSQLSQLiteC++.NET

About the role

Key responsibilities & impact

Develop and integrate software for flight test instrumentation and shipboard systems
Perform software development across the full SDLC, from requirements through testing and deployment
Perform trade studies, root cause analysis, and other software technical investigations
Join the Range and Test Solutions software development team

Requirements

What you’ll need

Active US Secret security clearance
Bachelor’s degree in Computer Science or related field with a minimum of 4 years of software development experience, or a Graduate degree and a minimum of 2 years of prior related experience
In lieu of a degree, a minimum of 8 years of prior related experience
3+ years of experience with system/software requirements management
3+ years of experience in embedded or real-time software development, GUI design and development
3+ years of experience in one or more of: C, C++, C#, Java, or Python
Ability to travel up to 20% and work extended hours as needed
Preferred: familiarity with DOORS, static code analysis tools, reverse engineering tools, DISA STIG requirements, Agile, DEVOPS, UML/MBSE, virtualization, containerization, Qt Enterprise, Linux/RHEL, Windows OS, Visual Studio/.NET, RTOS, Oracle RDBMS, SQL Server, SQLite, modern UI technologies, Java/JRE/JDK/JavaFX/Tomcat, client/server architectures, database application development, Windows/Linux server administration, and integrated product team frameworks

Benefits

Comp & perks

Health and disability insurance
401(k) match
Flexible spending accounts
EAP
Education assistance
Parental leave
Paid time off
Company-paid holidays