Application Infrastructure Engineer

We have an opening for a 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.

This position offers a hybrid schedule blending in-person and virtual presence. You will have the 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. 
• Bachelors degree in Computer Science Software Engineering Management Information Systems or related field or the equivalent combination of education and related 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

• Masters 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

$175530 - $222564 Annually 

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage.  An employees position within the salary range will be based on several factors including but not limited to specific competencies relevant education qualifications certifications experience skills seniority geographic location performance and business or organizational needs.

Additional Information :

#LI-Hybrid

Position Information

This is a Career Indefinite position open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory

• Included in 2026 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
• Our values - visit  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 if you meet eligibility requirements for access to classified information or matter. Also all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship. 

  Pre-Employment Drug Test

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  Remote Work :

  No

  
  

  Employment Type :

  Full-time