Infrastructure Engineer

Job Description

Application Infrastructure Engineer. You will play a key role in ensuring reliability and performance across our application infrastructure services that support hundreds of enterprise applications for LLNL. This position is in the Enterprise Infrastructure Services (EIS) Division within the Computing Directorate, is support of the LivIT program.

Hybrid schedule, blending in-person and virtual presence. Flexibility to work from home one or more days per week.

• Support Ping Federate implementation by performing patching, maintenance, and troubleshooting authentication issues.
• Support App Manager instance, working closely with development staff who leverage App Manager for batch jobs and automation.
• Provide operational support for Enterprise Application, Kubernetes, Docker, and related technologies, such as ingress controllers, load balancers, and API gateways, to meet negotiated Service Level Agreements (SLAs).
• Collaborate with cross-functional teams, including developers, IT managers, systems and database administrators, and security personnel, to design and deliver robust, secure, and scalable application infrastructures.
• Manage the full lifecycle of Enterprise application, including capacity planning, upgrades, documentation, standards enforcement, security compliance, vulnerability remediation, and performance monitoring.
• Implement and enforce security best practices within container environments, including RBAC, secrets management, network policies, vulnerability scanning, and Dev Sec Ops  principles.
• Perform other duties as assigned.

• Ability to obtain and maintain a US DOE Q-level security clearance which requires U.S. Citizenship.
• Bachelor’s degree in Computer Science, Software Engineering, Management Information Systems, or related field, or the equivalent combination of education and experience.
• Significant hands‑on experience managing and operating application infrastructure and Kubernetes clusters in production environments.
• Advanced experience managing and administering Ping Federate.
• Advanced experience implementing, managing, and supporting applications and cloud service infrastructures, including monitoring, security, and lifecycle management, across 2 or more of the following technologies:
  Java Play, Oracle Web Logic, Apache, Tomcat, IIS, load balancers, API gateways, Kubernetes, and various enterprise COTS solutions.
• Significant experience with systems programming and/or automation tools, such as Python, Bash, Go, Terraform, Ansible, and Helm, to create, configure, monitor, and automate the management of Kubernetes and application infrastructures, including O/S administration, configuration management, CI/CD deployments, or security administration.
• Advanced experience with major cloud platforms and their managed Kubernetes services, such as AWS EKS, GCP GKE, Azure AKS.
• Advanced troubleshooting, debugging, and root‑cause analysis skills for complex distributed systems.
• Advanced communication, facilitation, and collaboration skills necessary to effectively work across cross‑functional teams.

• Master’s degree in Computer Science, Computer Engineering, or Management Information Systems.
• Experience leveraging Splunk or equivalent SIEM environment to operationally manage application infrastructure services.
• Experience working in a compliance‑driven and secure environment, as well as project management experience with large, enterprise commercial off‑the‑shelf (COTS) application implementations.

$175,530 - $222,564 Annually

Career Indefinite position, open to Lab employees and external candidates.

This position requires a Department of Energy (DOE) Q-level clearance. If you are selected, we will initiate a federal background investigation to determine eligibility for access to classified information. Q‑level clearance requires U.S. citizenship. All L or Q cleared employees are subject to random drug testing.

External applicant(s) selected for this position must pass a post‑offer, pre‑employment drug test. Testing includes marijuana as federal law applies to us as a federal…