Senior Specialist, Software Engineering

L3Harris; Colorado Springs (CO); On-site; USD 97,000 - 180,000; Full time

Benefits offered by this job

health and disability insurance

401(k) match

flexible spending accounts

EAP

education assistance

parental leave

paid time off

company-paid holidays

Job summary

L3Harris Technologies in Colorado Springs seeks a Senior Specialist, Software Engineering to lead software sustainment for a fielded satellite communications system. You will drive architecture, design, testing, and deployment strategies across Linux environments, collaborating with cybersecurity and program stakeholders to ensure mission readiness.

The role emphasizes security, CI/CD, and containerized/workload integration, with on-site duties in Colorado Springs and occasional travel.

Qualifications

• Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• Active Top Secret / SCI security clearance required.

Responsibilities

• Lead software architecture, design, documentation, and implementation for complex software features and sustainment releases using Python, Java, C, C++, or comparable object-oriented languages.
• Develop and maintain automated unit and integration tests to verify software functionality and support the delivery of maintainable, well-documented code.
• Develop, troubleshoot, and support software in Unix/Linux environments using shell scripting and system-level debugging.
• Lead technically challenging sustainment activities, including security remediation, root‑cause analysis, system improvements, and resolution of customer‑impacting software issues.
• Conduct design and code reviews, mentor less‑experienced engineers, and contribute to development standards, planning, estimation, and continuous improvement of engineering practices.
• Work on‑site and collaborate with systems, test, cybersecurity, customer, and program stakeholders to define solutions, verify system behavior, and support deployment and operational readiness.
• Communicate complex technical information clearly to engineering and program stakeholders.
• Occasional travel may be required.

Skills

Security clearance

Agile methodologies

DevSecOps practices

Meadowlands systems experience

AI-enabled development workflows

Education

Bachelor's Degree

Graduate Degree

10+ years experience in lieu of degree

Tools

Docker

CI/CD pipelines

TypeScript

FPGA-based systems

Job description

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 Specialist, Software Engineering

Job Code: 44992

Job Location: Colorado Springs, CO

Job Schedule: 9/80

Job Description:

The Senior Specialist, Software Engineering will provide technical leadership for software sustainment of a fielded satellite communications system. The role leads analysis and resolution of security findings, designs and implements complex system improvements, and delivers reliable software that supports an operational mission. Work includes architecture and detailed design, technical documentation, implementation, automated testing, and collaboration across engineering disciplines.

This position is located in Colorado Springs: L3Harris Careers in Colorado

Essential Functions:

• Lead software architecture, design, documentation, and implementation for complex software features and sustainment releases using Python, Java, C, C++, or comparable object-oriented languages.
• Develop and maintain automated unit and integration tests to verify software functionality and support the delivery of maintainable, well-documented code.
• Develop, troubleshoot, and support software in Unix/Linux environments using shell scripting and system-level debugging.
• Lead technically challenging sustainment activities, including security remediation, root‑cause analysis, system improvements, and resolution of customer‑impacting software issues.
• Conduct design and code reviews, mentor less‑experienced engineers, and contribute to development standards, planning, estimation, and continuous improvement of engineering practices.
• Work on‑site and collaborate with systems, test, cybersecurity, customer, and program stakeholders to define solutions, verify system behavior, and support deployment and operational readiness.
• Communicate complex technical information clearly to engineering and program stakeholders.
• Occasional travel may be required.

Qualifications:

• Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• Active Top Secret / SCI security clearance required.

Preferred Additional Skills:

• Experience with Meadowlands system development or comparable satellite communications mission systems.
• Experience designing, implementing, or improving CI/CD pipelines, including automated build, test, security, and deployment workflows.
• Experience developing, deploying, and troubleshooting containerized applications using Docker or comparable container technologies.
• Experience integrating software with FPGA-based systems, embedded hardware, or other hardware interfaces.
• Experience developing production software in TypeScript and modern web application frameworks.
• Experience defining test strategies and conducting software verification in mission‑critical environments.
• Experience working in Agile and DevSecOps environments, including configuration management and secure software development practices.
• Familiarity with agentic AI concepts and AI‑enabled development workflows, including prompt and context engineering, tool integration (e.g., APIs or MCP), development of reusable agents or skills, and validation of AI‑generated software artifacts

In compliance with pay transparency requirements, the salary range for this role in Colorado is $97,000 - $180,000. 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.

• health and disability insurance
• 401(k) match
• flexible spending accounts
• EAP
• education assistance
• parental leave
• paid time off
• company-paid holidays

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.

L3Harris Technologies is an E‑Verify Employer.