AI Platform Engineer

Recruiting Notice: X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page: X-energy LLC will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you otherwise, please contact us at Job Description This role is responsible for designing, implementing, and maintaining the cloud infrastructure and CI/CD systems that power X-energy's AI-native application platform (APEX). The DevOps Engineer will work with the AI and Application Development team to accelerate deployment velocity, ensure system reliability, and enable the rapid delivery of AI-infused capabilities across engineering, manufacturing, regulatory, and deployment processes. This role requires expertise in containerization, cloud infrastructure automation, and modern DevOps practices to support X-energy's mission of becoming an AI-first organization and setting the industry standard for nuclear deployment speed and operational excellence. Job Profile Tasks/Responsibilities Design, build, and maintain containerized applications using Docker, including image building, testing, versioning, and optimization for production deployment Develop and maintain GitLab CI/CD pipelines, including runner configuration, pipeline optimization, monitoring dashboards, and automated testing workflows Architect and manage AWS infrastructure using Terraform, including ECS, ECR, VPC, EC2, ALB/NLB, and other cloud services Administer and optimize AWS data services including DocumentDB, OpenSearch, Redis, Aurora Postgres, DynamoDB, and S3 Implement and maintain comprehensive monitoring, alerting, and observability solutions using Datadog and CloudWatch Manage security and compliance requirements including ACM for certificate management and implementing security best practices across all infrastructure Lead release engineering efforts, including versioning strategies, deployment automation, and rollback procedures Collaborate with development teams to optimize application performance, troubleshoot production issues, and implement infrastructure improvements Leverage Claude Code and AI tools to accelerate infrastructure development and maintenance tasks Apply knowledge of LLMs and AI systems to support the platform's AI-native architecture Maintain professional demeanor and behavior at all times in all forms of communication Execute core tasks and responsibilities with minimal supervision in a fast‑paced, team‑oriented environment Participate in on‑call rotation to ensure system reliability and rapid incident response Perform other duties as assigned by manager Job Profile Minimum Qualifications Bachelor's degree in Computer Science, Information Technology, Engineering, or related field is required Typically 10+ years of relevant experience is required 3+ years of hands‑on experience with Docker containerization including building, testing, and deploying production applications Proven experience administering GitLab CI/CD systems, including runner setup, pipeline configuration, and troubleshooting Strong proficiency with Amazon Web Services, particularly ECS, ECR, VPC, and Terraform infrastructure‑as‑code Experience managing AWS data services such as DocumentDB, OpenSearch, Redis, Aurora Postgres, or DynamoDB Proficiency with Linux and/or macOS command‑line environments Demonstrated experience with release engineering and deployment automation Knowledge of monitoring and observability tools (Datadog preferred) Understanding of AI/ML concepts and LLM architectures Proficiency with Claude Code or similar AI‑assisted development tools Strong problem‑solving skills and ability to work independently Excellent communication and collaboration skills Ability to work hybrid schedule in Rockville, MD office Tuesday, Wednesday, and Thursday Location 530 Gaither Road, Rockville, MD. Work Site Expectations 3 days in office. Travel Expectations Up to 5% as needed. Hours 8:00am‑5:00pm, Mon‑Fri. Compensation Individual candidates who meet the job requirements for the posted position will be offered a salary within the following range, based on their respective levels of education, training, experience, and other qualifications: $150,000 – $183,000. Position Job Classification Full time - Exempt Benefits X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, medical/dental/vision insurance, life and disability insurance, paid time off, and a tuition reimbursement professional development policy that supports continuing education of our employees. Equal Opportunity Employer An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Right To Work Right to work link: e-verify.gov (information available online). E-Verify Participation E-Verify Participation Poster in English and Spanish available online. #J-18808-Ljbffr