Lead, Software Engineer – Backend /Integration – TS/SCI

L3Harris Technologies; Florida; On-site; USD 140,000 - 190,000; Full time

Job summary

L3Harris Technologies seeks a Lead Software Engineer – Backend/Integration to guide critical mission systems from Patrick Space Force Base, FL. You will own backend services, drive integration across teams, and mentor engineers in secure, scalable cloud-native development.

The role requires TS/SCI clearance, 9+ years of experience in Java, AWS, Docker, Linux, CI/CD, and AI-assisted development, with onsite work and emphasis on secure software practices in high-security environments.

Qualifications

• Active TS/SCI clearance and ability to obtain security clearance if required.
• Bachelor’s degree in computer science or computer engineering; graduate degree preferred.
• 9+ years of relevant experience; exceptional leadership in backend/integration projects.

Responsibilities

• Develop secure and scalable back-end services and application logic for mission applications.
• Lead software/infrastructure teams and drive CI/CD, code reviews, and automated testing.
• Deploy and manage applications in AWS with emphasis on security and cost-effectiveness.
• Engage with customers daily to refine requirements and deliver robust solutions.
• Prepare and brief technical designs, roadmaps, and deployment procedures.
• Create and maintain system design and sustainment documentation.
• Support Agile teams and participate in Scrum ceremonies.
• Build and deploy mission applications in classified/high-security environments.

Skills

Java

AWS

Docker

Linux

CI/CD

AI-assisted development

REST APIs

Kubernetes

Git

Security

Education

Bachelor's degree in computer science or computer engineering

Graduate Degree

Tools

AWS

Docker

Kubernetes

Git

REST APIs

Terraform

CloudFormation

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: 43111

Job Location: Patrick Space Force Base, FL

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/SCI clearance.

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-EK1

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. 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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