Application Infrastructure Engineer

Lawrence Livermore National Laboratory; Livermore (CA); Hybrid; USD 175,530 - 222,564; Full time

Job summary

Lawrence Livermore National Laboratory is seeking an Application Infrastructure Engineer to ensure reliability and performance of enterprise infrastructure services supporting LLNL applications. This role is in the Enterprise Infrastructure Services Division within the Computing Directorate, supporting the LivIT program.

The position offers a hybrid schedule with some remote work. You will work with cross-functional teams to design, implement, and secure scalable infrastructure using Kubernetes,

Qualifications

• Significant hands-on experience managing and operating application infrastructure and Kubernetes clusters in production.
• Advanced experience managing and administering Ping Federate.
• Experience with applications and cloud service infrastructures across multiple technologies, with monitoring, security, and lifecycle management.
• Advanced experience with major cloud platforms and their managed Kubernetes services (AWS EKS, GCP GKE, Azure AKS).
• Strong communication and collaboration across cross-functional teams.

Responsibilities

• Support PingFederate patching, maintenance, and troubleshooting authentication issues.
• Support AppManager instances and batch job automation with development staff.
• Provide operational support for Enterprise application, Kubernetes, Docker and related tech to meet SLAs.
• Collaborate with developers, IT managers, DBAs, and security to design robust, secure infra.
• Manage full lifecycle of Enterprise application infra including capacity planning, upgrades, and security compliance.
• Implement security best practices within container environments (RBAC, secrets, network policies, vulnerability scanning).
• Perform other duties as assigned.

Skills

Kubernetes ops

PingFederate

Cloud platforms

Scripting: Python

CI/CD automation

DevSecOps

Team collaboration

Troubleshooting

Security compliance

Education

Bachelor's degree

Master's degree

Tools

AppManager

Ping Federate

Terraform

Ansible

Helm

AWS EKS

GCP GKE

Azure AKS

Splunk

Job description

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.

You will

• Support PingFederate implementation by performing patching, maintenance, and troubleshooting authentication issues.
• Support AppManager instance, working closely with development staff who leverage AppManager 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 DevSecOps principles.
• Perform other duties as assigned.

Qualifications

• 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 WebLogic, 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.

Qualifications We Desire

• 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.

Pay Range

$175,530 - $222,564 Annually

Position Information

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

Security Clearance

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.

Pre‑Employment Drug Test

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 contractor.

Wireless and Medical Devices

Depending on job duties, you may be required to work in a Limited Area where you are not permitted to have a personal mobile device. This includes but is not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices. If you use a medical device that pairs with a mobile device, you must still follow the rules concerning the mobile device. Sensory‑compartmented information facilities require separate approval.

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