Senior Gen AI Developer

Title:

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.

KBR is seeing a Senior Gen AI Developer to join our team in El Segundo, CA (remote).

 The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the US Space Force’s Space Systems Center (SSC). We support the Space Force’s acquisition of state-of-the-art satellite communications systems, providing global secure, survivable, and protected communications for our nation’s warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems.

Why Join Us?

• Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.

• Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.

• Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.

Work Environment:

• Location: El Segundo, CA (Work-from-home flexibility with on-site support as required)

• Travel Requirements: Minimal

• Working Hours: Standard

Qualifications:

Required:

• Ability to obtain and maintain a Secret security clearance

• Bachelor’s degree in Computer Science, Software Engineering, Artificial Intelligence, or a related technical discipline

• 15+ years of software development experience, including 3+ years building generative AI or LLM-powered applications

• Strong proficiency in Python for AI/ML development, data processing, and automation

• Hands-on experience designing, developing, and deploying applications using large language models (LLMs)

• Proven experience building and optimizing Retrieval-Augmented Generation (RAG) pipelines using embeddings, vector databases, and semantic search

• Experience with prompt engineering, LLM orchestration, and developing agent-based workflows

• Familiarity with LLM frameworks such as LangChain, LlamaIndex, or Semantic Kernel

• Experience integrating AI solutions with enterprise data sources, APIs, and knowledge graphs

• Ability to evaluate and fine-tune model outputs for quality, bias, explainability, and performance

• Experience deploying and maintaining applications in cloud-native environments (Azure, Kubernetes, CI/CD pipelines)

• Solid understanding of software development lifecycle (SDLC) and DevOps practices for production AI systems

Desired:

• Master’s in Computer Science, Artificial Intelligence, or a related field

• Experience integrating knowledge graphs and graph databases (e.g., Neo4j, ArangoDB) into LLM-driven applications

• Exposure to multi-modal AI models (text, image, audio) and their application in real-world systems

• Experience building custom LLM evaluation pipelines and benchmarking frameworks

• Familiarity with model optimization techniques or edge deployment for constrained environments

• Experience deploying AI solutions in defense, government, or other high-security environments

• Knowledge of responsible AI practices, including bias mitigation, explainability, and governance

Basic Compensation:  $182,000 - $228,000 in California

The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience 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.

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.