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Sr. Software Engineer

Northampton, Massachusetts, Fall River, Massachusetts Job ID IMS20211802-56859
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L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across air, land, sea, space and cyber domains. L3Harris has approximately $18 billion in annual revenue and 48,000 employees, with customers in more than 100 countries.


Sr. Software Engineer

We are currently seeking a Sr. Software Engineer based in our Fall River, MA location.

**This position can sit in Northampton, MA or Fall River, MA.

Job Description:

Responsible for development and sustaining of L3Harris – KEO Medium Unmanned Undersea Vehicle (MUUV) System. Cross-functional role on team that designs and refactors existing Microsoft .NET applications/solutions and also microprocessor firmware. Working with the team, this individual will refactor code and build applications and services as directed by management.

Essential Functions:

  • Leads reviews and prepares documentation for complex software designs in accordance with established software development processes and procedures. May run tests, evaluate results, debug defects, or lead others in these tasks. Leads or participates in planning verification and validation activities.
  • Assists in preparation of technical proposals for funding of research activities. Involved with innovation in the conceptual stages of product development.
  • Strengthens customer relations through developed ability to communicate technical specifics.
  • Performs contract reviews to identify technical and non-technical requirements and risks. Provides technical input during contract reviews.
  • Guides the successful completion of major programs and may function in a project leadership role. 
  • Represents organization as prime technical contact on contracts and projects. Interacts with senior external personnel on significant technical matters often requiring coordination between organizations.
  • Strong knowledge of the software engineering discipline.
  • Design, develop, optimize, debug, and maintain Tactical Software applications using accepted engineering practices and tools.
  • Perform language and platform conversions, rewrites, or upgrades of existing software applications as required.
  • Integrate with sensors, motion controllers, and other programs using TCP sockets and/or associated vendor-supplied APIs.
  • Design, develop, and maintain algorithms related to data and signal analysis, curve fitting, optimization, parallel processing, etc.
  • Design, develop, and maintain databases and associated tools for storage / retrieval of measurement and process control data.
  • Maintain software engineering with revision control and supporting documentation.
  • Support embedded system development activities when required.
  • Support investigations and implementations of novel metrology methods, devices, and/or applications.


  • Bachelor’s Degree in Computer Science or a related field
  • Six (6) Years of relevant experience
  • Strong programming experience in C or C++
  • Strong debugging skills
  • Demonstrated experience with requirements management/traceability
  • Experience with embedded system concepts such as preemptive, multitasking real-time operating systems
  • Demonstrated experience in network programming and TCP/IP
  • Strong writing and communication skills and experience in writing development plans and technical proposals
  • Strong Interpersonal skills
  • Experience in all phases of the software development life-cycle
  • Experience in building and leading teams
  • Experience on FAR/DFAR Programs

 Preferred Additional Skills:

  • Clearance – existing or ability to be granted Genser Secret
  • Strong CAM/Lead Experience
  • Strong EVMS Skills
  • Highly proficient in C# development
  • Experience with Microsoft Visual Studio Development Environment
  • Experience with Windows tools and cross platform development
  • Experience with refactoring existing SW into new SOA architecture
  • Experience using UML to document SW Design
  • Experience with Unmanned Undersea Vehicles (not required but highly beneficial)
  • Experience with UMAA and Automated Testing
  • Other Skills: Defense Industry experience (i.e. requirements-based testing), CAMEO, MBSE
  • Preferred Skills
    • Master’s degree in Computer Science or Engineering
    • Experience providing technical leadership
    • Experience interfacing with customers/vendors
  • Personality Traits: Good Team Member, Can work on/lead a component independently

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

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