Junior Software Integration Engineer

Title:

Junior Software Integration Engineer

Belong. Connect. Grow. with KBR!

KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security.

Why Join Us?

• Innovative Projects: At KBR, you'll be working on cutting-edge projects that support the Department of the Air Force’s most mission-critical operations. Our team is pushing the boundaries of open-source development, DevSecOps with state-of-the-art CI/CD pipelines, containerization, Kubernetes, Terraform, Zarf, and innovative API management and database design. You'll be contributing to systems designed for a modeling and simulation SaaS platform that provides dynamic compute power, access to tools, and collaboration capability through a model that will revolutionize the future of military research and development.

• Collaborative Environment: Our team thrives in a dynamic, mission-driven environment where our employees work shoulder-to-shoulder with software engineers, DevSecOps architects, product leads, mission experts, and defense specialists. We embrace Agile methodologies and secure development practices to ensure rapid iteration, compliance alignment, and seamless integration across modular systems. Our culture prioritizes clarity, precision, and innovation—fostering open communication, iterative refinement, and deep collaboration to deliver software and documentation that’s not only compliant, but strategic and impactful across DoD.

• Impactful Work: Your work here will directly support the Department of the Air Force in advancing defense technology. You’ll be at the forefront of innovations, creating  new paradigms for providing access to compute power, modeling and simulation tools, and data sharing across organizations to the Department of the Air Force and broader Department of Defense.

Position summary

KBR is seeking a motivated Junior Software Integration Engineer to join our team. The ideal candidate is an early-career software engineer with experience developing backend applications, integrating systems, and working with modern software development practices. This role offers the opportunity to contribute to the integration of simulation and analysis tools within a collaborative engineering environment while growing expertise in API design and secure software systems.

Key Responsibilities

• Support the development and maintenance of APIs and service interfaces used to connect simulation and analysis tools.
• Assist in integrating existing software applications into a common service-oriented architecture.
• Develop and maintain backend services using modern programming languages and frameworks.
• Collaborate with senior engineers to implement REST APIs and service-to-service communications.
• Participate in software design reviews, testing, debugging, and documentation activities.
• Support implementation of authentication, authorization, and secure communication mechanisms.
• Contribute to data management, metadata tracking, and system interoperability efforts.
• Troubleshoot integration issues and assist with performance optimization of distributed systems.
• Follow software development best practices including version control, Agile methodologies, and automated testing.

Work Environment:

• Location: Hybrid
• Travel Requirements: 15%
• Working Hours: Standard

Qualifications:

Required:

• Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related field.
• 0-3 years of professional software development experience (internships and academic projects considered).
• Experience with Python or other object-oriented programming languages.
• Familiarity with REST APIs, web services, and software integration concepts.
• Experience working with Git and modern software development workflows.
• Understanding of databases, distributed systems, or message-based architectures.
• Strong problem-solving and communication skills.
• Ability to obtain and maintain a Secret security clearance.

Desired:

• Experience with Python development in a professional, academic, or research environment.
• Familiarity with Docker, containerized applications, or cloud-native development.
• Experience with Redis, job orchestration, workflow automation, or queue-based processing.
• Exposure to backend system design, microservices, or scalable software architectures.
• Knowledg