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Senior Specialist, Software Engineer

L3Harris


Job Location:

Fountain, CO - USA

Yearly Salary: USD 111500 - 207500
Posted: 21 October 2026 (10 hours ago)
Application Deadline: 18 January 2027
Vacancies: 1 Vacancy

Job Summary

Job Title: Senior Specialist Software Engineer

Job Code: 46066

Job Location: Chantilly VA Colorado Springs CO Melbourne FL or Rochester NY

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

Job Description:

L3Harris is seeking a Full Stack Software Engineer to help build and enhance mission-critical command-and-control applications supporting space domain this role you will join a multidisciplinary team using Agile and DevSecOps practices to deliver new capabilities modernize existing software and solve complex technical problems in secure environments. This is an excellent opportunity for an engineer who enjoys backend development API design and collaborating across the stack to deliver real mission impact.

Essential Functions:

  • Design develop test and maintain software capabilities for mission-focused command-and-control applications.
  • Build backend services and APIs using Java and Spring Boot with opportunities to contribute across the full stack.
  • Support integration upgrades and modernization efforts for operational mission software.
  • Troubleshoot software issues improve reliability and help deliver a strong end-user experience.
  • Work closely with software systems and mission partners in an Agile development environment.
  • Contribute to modern DevSecOps practices including automated testing CI/CD workflows and containerized deployments.

Qualifications:

  • Bachelors degree with a minimum of 6 years of relevant experience or a Graduate degree with 4 years of relevant lieu of a degree 10 or more years of directly related experience will be considered.
  • Experience developing software in Java.
  • Experience building applications with the Spring Boot framework.
  • Experience with front-end development in React and Typescript.
  • Experience designing or integrating RESTful web services.
  • Experience with unit testing and software quality practices.
  • Experience working with PostgreSQL or a similar relational database management system.
  • Experience working in Agile software development environments such as SAFe Scrum or Kanban.
  • Experience with container technologies such as Docker Kubernetes or OpenShift.
  • Active Top Secret clearance with the ability to obtain and maintain SCI access.

Preferred Additional Skills:

  • Experience building or supporting microservices-based architectures.
  • Experience with cloud environments such as AWS or AWS GovCloud.
  • Experience with front-end development technologies such as React Angular TypeScript CSS/SCSS or HTML.
  • Experience supporting space defense or other mission-critical systems.
  • Experience mentoring early-career engineers

In compliance with pay transparency requirements the salary range for this role in California Massachusetts New Jersey Washington and the Greater D.C Denver or NYC areas is $111500 - $207500. The salary range for this role in Colorado state Hawaii Illinois Maryland Minnesota New York state Cleveland Ohio and Vermont is $97000 - $180000. This is not a guarantee of compensation or salary as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits including health and disability insurance 401(k) match flexible spending accounts EAP education assistance parental leave paid time off and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire schedule type and the applicability of collective bargaining agreements

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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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