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Senior Specialist, Systems Engineering Flight Test 1

L3Harris


Job Location:

Greenville, NC - USA

Monthly Salary: Not provided by the employer
Posted: 10 August 2026 (23 days ago)
Application Deadline: 7 November 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Specialist Systems Engineer

Job Code: 42383

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.

Job Description:

We are seeking a highly motivated Senior Specialist Systems Engineering to support the design development integration and delivery of advanced software solutions for mission-critical defense systems. The ideal candidate will have experience leading technical efforts across the full software development lifecycle collaborating directly with customers and developing secure scalable solutions in cross-functional engineering environments. This role requires a strong background in software architecture systems integration diagnostics automation and secure software development along with the ability to work across multiple programming languages and platforms.

Essential Functions:

  • Lead end-to-end software development efforts including architecture design implementation testing documentation and delivery.
  • Serve as a primary technical interface with customers coordinating schedules communicating progress and aligning deliverables with evolving requirements.
  • Design and develop scalable authentication and authorization solutions to enforce system access control policies.
  • Lead small technical teams in the development of diagnostics and monitoring tools to improve system health visibility and accelerate root-cause analysis.
  • Investigate customer requests analyze requirements and implement effective software solutions.
  • Maintain and update interface definition documentation and other technical artifacts.
  • Design and implement software libraries for integration between Java applications and native APIs on Windows and Linux systems.
  • Develop and maintain unit tests for C Python and Java-based applications.
  • Support software modernization efforts including containerization and reduction of technical debt in legacy codebases.
  • Automate development and release processes using scripting and web automation tools.
  • Contribute to multiple software programs through feature enhancements bug fixes security updates and platform improvements.
  • Create user manuals and technical documentation to support delivered capabilities.
  • Work effectively in a fast-paced dynamic environment with time-critical requirements.
  • Excellent communication skills and ability to work effectively in a team environment.
  • Current orrecently heldTop Secret/SCIDoDsecurityclearance andbe able tomaintainrequired clearance.
  • Must be able to work occasional weekend or overtime hours asrequired.

Qualifications:

  • Bachelors Degree in Electrical Engineering Computer Engineering Computer Science Software Engineering or related technical field and minimum 4 years of prior relevant experience.
  • Graduate Degree in Electrical Engineering Computer Engineering Computer Science Software Engineering or related technical field and a minimum of 2 years of prior related experience.
  • In lieu of a degree a minimum 8 years of prior related experience.
  • Demonstrated knowledge of ELINT receiver systems signal analysisequipmentand techniques.
  • Demonstrated experience with ELINT databases such as EPL CED EWIR MIDB etc.
  • Demonstrated professional software engineering experience in defense aerospace or other mission-critical environments.
  • Demonstrated experience leading software development efforts and/or small technical teams.
  • Demonstrated practical experience with:
    • C / C
    • Python
    • Java
    • Bash
  • Demonstrated experience with software development on Windows and Linux platforms.
  • Demonstrated experience with unit testing frameworks and software verification practices.
  • Demonstrated experience with technical documentation interface definitions and customer-facing engineering communication.
  • Demonstrated familiarity with secure software practices and access control implementation.

Preferred Additional Skills:

  • Rust
  • Docker/Podman
  • CMake
  • Google Test
  • JNI development
  • Selenium automation
  • Experience supporting ELINT airborne mission systems communications systems or similar defense platforms.
  • Experience containerizing development environments.
  • Experience automating manual engineering or release processes.
  • Demonstrated ability to deliver projects ahead of schedule.
  • Prior recognition for software engineering excellence or technical achievement.
  • Hardwaretroubleshootingand maintenanceexperience.
  • Experience with JIRA/Confluence/DOORS


Required Experience:

Senior IC


About Company

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At L3Harris, we anticipate and mitigate risk with agile end-to-end solutions that meet our customers' mission-critical needs across all domains.

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