Lead, Software Engineer - Backend /Integration - TS Clearance

L3Harris Technologies, Inc.; Town of Florida (NY); On-site; USD 140,000 - 190,000; Full time

Job summary

L3Harris Technologies, Inc. seeks a Lead Software Engineer (Backend/Integration) to provide technical leadership on mission-critical systems at a high-security site in Florida.

You will drive backend services, containerized deployments, and AWS-based solutions, aligning with DoD requirements and Agile practices. The role requires TS/SCI eligibility, strong Java experience, and a track record of delivering secure, scalable software in complex environments.

Qualifications

• Bachelor’s degree in computer science or computer engineering with 9+ years of experience, or equivalent.
• Active TS clearance with the ability to obtain SCI.
• Experience leading backend/integration engineering, with Java, AWS, Docker, Linux, and CI/CD.

Responsibilities

• Develop secure, scalable back-end services and APIs for mission applications.
• Lead software/infrastructure teams and drive CI/CD implementations.
• Deploy and maintain applications in AWS with security and cost control.
• Engage with customers to refine requirements and improve functionality.
• Produce technical designs, roadmaps, and system documentation.
• Support Agile teams and Scrum ceremonies.
• Work on mission apps in high-security environments.

Skills

Java

AI/ML apps

AWS

Docker

Kubernetes

CI/CD

REST APIs

Microservices

Education

Bachelor’s degree in CS/CE

Graduate degree

Tools

Git

Terraform

PostgreSQL

Linux

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: Lead, Software Engineer (Backend/Integration)

Job Code: 45631

Job Location: Melbourne, FL (Patrick Space Force Base)

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 TS/SCI-cleared, highly skilled and motivated Lead Software/Integration Engineer with experience in modern backend development, Java, AWS, Docker, Linux, CI/CD, and AI-assisted development experience to support mission modernization, software integration, and mission-system reliability improvements. The ideal candidate will provide technical leadership across software and infrastructure teams and work onsite at Patrick Space Force Base.

Essential Functions:

• Develop secure and scalable back-end services and application logic to support mission applications and workflows.
• Apply software engineering best practices across the full development lifecycle, including code reviews, automated testing, version control, and CI/CD pipelines.
• Deploy and maintain applications in AWS, ensuring scalability, security, resilience, and cost-effectiveness.
• Engage with customers daily to refine requirements and improve application functionality.
• Prepare and brief technical designs, implementation plans, roadmaps, and documentation.
• Produce and maintain technical documentation for system design, application architecture, deployment procedures, and sustainment activities.
• Supporting Agile software development teams and participating in Scrum ceremonies.
• Building and deploying mission applications in classified or high-security environments.
• Security+ Certification or any DoD IAT Level II Certification, or ability to obtain certification within 6 months of accepting position.

Qualifications:

• Bachelor’s degree in computer science or computer engineering and a minimum of 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience
• Active TS clearance with the ability to obtain SCI

Preferred Additional Skills:

• Proficiency with Java language
• Experience developing AI/ML-enabled mission applications, analytical tools, or decision-support capabilities involving advanced data processing, automation, visualization, and user interaction.
• Experience developing and deploying containerized applications using Kubernetes K-8.
• Experience developing and deploying applications in Amazon Web Services (AWS).
• Experience with Docker, CI/CD, Git, REST APIs, microservices, and secure software development.
• Experience with scientific, sensor-derived, geophysical, acoustic, seismic, infrasonic, or other mission-relevant technical data is highly desired.
• Experience building back-end services and APIs using Python, Java, Node.js, .NET, or similar.
• Familiarity with databases such as PostgreSQL, MySQL, SQL Server, DynamoDB, or other relational/non-relational data stores.
• Prior field assignment experience
• Experience with AI-assisted development tools
• Experience transitioning research or prototype capabilities into operational software tools, supporting classified DoD mission environments strongly preferred.
• Knowledge of infrastructure as code tools such as Terraform, CloudFormation, or similar.
• Familiarity with the C2S Access Portal (CAP) and high-side AWS environments is highly desired.
• Experience with containerization and orchestration technologies such as Docker and Kubernetes.

#LI-KT1

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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