Senior Application Software Engineer Jobs in Rochester, NY

L3Harris is dedicated to recruiting and developing 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 is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Associate, Software Engineering

Job Code: 40204

Job Location: Rochester, NY; Chantilly, VA; Melbourne, FL

Job Schedule: 9/80 (Every Other Friday Off)

Job Description:

L3Harris is seeking highly skilled and motivated software engineering professionals to work in a dynamic classified environment to help us provide world class cloud solutions in support of programs that are critical to our national defense. Successful candidates will join a development team in Ground Software and Image Science discipline, directly supporting solutions developed by L3Harris’s Space Ground Solutions (SGS) Group.

Essential Functions:

• Assess, troubleshoot, and triage deployed software in operational environments 
• Develop, maintain, and enhance software applications using Java, C++, Python.
• Support software deployment, integration, and sustainment activities in Linux environments 
• Diagnose and resolve software defects, performance issues, and system integration problems 
• Collaborate with cross-functional engineering and mission teams to deliver reliable software capabilities 
• Support debugging, root cause analysis, and corrective action implementation for fielded systems 
• Participate in software design, code reviews, testing, and configuration management processes 
• Ensure software solutions meet mission, security, and performance requirements 

Qualifications:

• Bachelor’s degree in Software Engineering, Computer Science, Computer Engineering, or related STEM field and relevant experience; or equivalent combination of education and experience.
• Strong troubleshooting and debugging skills 
• Ability to work effectively in a mission-focused team environment 
• Active Top Secret Clearance with SCI or SCI eligibility 

Preferred Additional Skills:

• Experience assessing and triaging deployed software in operational or production environments 
• Proficiency in Java, C++ or Python software development 
• Experience working in Linux environments 
• Experience deploying or supporting applications in Kubernetes environments 
• Experience supporting DoD, IC, or other national security mission environments 
• Experience with Agile software development methodologies 
• Strong written and verbal communication skills 

In compliance with pay transparency requirements, the salary range for this role in the states of New York and Florida is $74,500-$138,500. The salary range for this role in Virginia (Greater Washington, D.C. Area) is $86,000-$160,000.  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.

The application window for this position will close on 9/24/2026.

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L3Harris Technologies is proud to be an 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.

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 resume for this position, you understand and agree that L3Harris Technologies may share your resume, 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.

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