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Senior Software 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 DoW.
* 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 a 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: As Software Developer, you will be responsible for developing and implementing secure, end-to-end cluster and application lifecycles in cloud environments. A key aspect of your technical team lead role will be to lead development of the platform's administrative and platform services, including user management, licensing, usage tracking, application on-boarding, and core platform infrastructure in a secure, cloud-based environment. Key Responsibilities: * Lead development of backend services for user session management, digital on-boarding, account lifecycle, access control workflows, database design, federated authentication and data storage, message queues, automated software delivery and backwards compatibility.
* Architect and implement license management systems supporting multiple license models and enforcement mechanisms.
* Develop usage tracking, logging, analytics pipelines and dashboard for monitoring usage, cost and system health.
* Lead development of compute, storage, and cost management services across multi-tenant environments.
* Prepare Modeling and Simulation tools for running in Kubernetes and UDS Core by containerizing applications and building deployable packages (e.g., Zarf).
* Implement application hardening and security controls to enable deployment in higher-classification air-gapped environments.
* Design and deploy core platform services, including email infrastructure and messaging systems (e.g., NATS).
* Shepherd development and enhancement of front-end React UI, improving usability and user workflows.
* Guide integration of backend services with UI components to deliver cohesive user experiences.
* Lead architecture decisions, mentor developers, and drive platform design across multiple subsystems. Work Environment: * Location: Hybrid
* Travel Requirements: 10%
* Working Hours: Standard Qualifications: Required: * Active Secret clearance with TS eligibility
* 7+ years of experience in software engineering focused on backend, platform, or full-stack development
* Strong experience building REST APIs and microservice-based architectures
* Proficiency in Python, Java, GoLang, and/or TypeScript/JavaScript, including full-stack development experience
* Experience developing containerized applications using Docker and orchestrating with Kubernetes
* Experience packaging and deploying applications in secure or air-gapped environments (e.g., Zarf or similar)
* Experience implementing application security hardening and compliance for controlled environments
* Strong experience with authentication and authorization systems (e.g., RBAC, ABAC, identity providers)
* Experience designing data pipelines, logging, and observability systems (metrics and log aggregation)
* Experience with event-driven or message-based systems (e.g., NATS, Kafka, Pulsar, or similar)
* Familiarity with search, analytics, or data platforms (SQL, NoSQL, or search engines)
* Experience building or supporting React-based frontends and modern web application architectures.
* Familiarity with CI/CD pipelines, automated testing, and DevSecOps practices
* Ability to lead development efforts in a complex, evolving, multi-stakeholder environment Desired: * Experience on-boarding or integrating third-party or legacy applications into platform ecosystems
* Familiarity with Grafana, Prometheus, or log-shipping tools (e.g., FluentBit, Vector)
* Experience with Elasticsearch/OpenSearch or advanced data/search architectures
* Experience building developer platforms, internal tooling, or enterprise admin systems
* Experience supporting secure government or defense platform environments
* Active Top Secret clearance with SCI eligibility Basic Compensation: $125,000-$165,000 This range is for the Beavercreek, OH area only. The offered rate will be based on the selected candidate's work location, knowledge, skills, abilities and/or experience, clearance level, contract affordability and in consideration of internal parity. Ready to Make a Difference? If you're excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together. KBR Benefits KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development. Belong, Connect and Grow at KBR At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team's philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.