Cloud and Core Networking Engineer

We have an opening for a Cloud and Core Networking Engineer.  You will play a critical role in helping the laboratory seamlessly adopt and operate multi cloud architectures across AWS Azure and GCP with responsibility for cloud governance management and security. You will join the Enterprise Network Services team which designs deploys and operates carrier grade networks and cloud networking infrastructure at scale leveraging Terraform automation in environments with more than 100 AWS accounts and thousands of VPCs to ensure all network components are fully built deployed and decommissioned against a Nautobot source of truth. This position is in the Enterprise Infrastructure Services (EIS) Division with the Computing Directorate in support of LivIT.

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. 

This position will be filled at either the SES.3 or SES.4 level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. 

You will

• Collaborate with service owners network engineers developers stakeholders and leadership to develop consensus-based outcomes around cloud infrastructure provisioning monitoring management and troubleshooting.
• Collaborate on the design and architecture of a hybrid multi-cloud environment including providing a secure and robust network backbone.
• Design and deliver advanced automation and infrastructure-as-code solutions to streamline provisioning and management of deployed green- and brown-field resources.
• Engage with laboratory scientists researchers and developers to understand their workloads and help drive solutions toward cloud-native technologies.
• Draft and maintain architectural documentation and artifacts including as-builts runbooks and demonstration code.
• Stay up to date with the latest industry hybrid network architectures and best practices.
• Present and communicate solutions to technical and non-technical stakeholders.
• Perform other duties as assigned.

Additional job responsibilities at the SES.4 level 

• Independently define prioritize and execute the technical roadmap for multi-cloud data-center networking translating loosely defined objectives into deliverable architectures implementation plans and milestone outcomes.
• Provide expert-level routed network design across AWS/Azure/GCP and on-prem data centers including routing domain boundaries segmentation strategy and failure-domain design to meet long-range reliability security (PAN) and performance targets.
• Apply expertise in BGP-based connectivity and routing policy (path selection summarization route filtering/leak prevention deterministic failover) validating convergence behavior and preventing asymmetric routing impacts across stateful enforcement points.

Qualifications :

• Ability to obtain and maintain a US DOE Q-level security clearance which requires U.S. Citizenship. 
• Bachelors degree in Computer Science Engineering or related field or the equivalent combination of education and related experience.
• Significant experience with network system design configuration implementation documentation and operations.
• Advanced knowledge of network engineering principles such as routing switching and VPN or overlay technologies such as BGP EVPN IGPs such as OSPF or IS-IS IPSec or other WAN/DCI technologies.
• Advanced experience with AWS networking services including AWS Direct Connect Transit Gateway Route53 and VPC.
• Significant experience working with Ansible and Python automation and related libraries focused on networking.
• Advanced experience with three or more of the following: Cisco 9000/6000 series routers; Aruba AirWave Central and ClearPass; Palo Alto firewalls; Nautobot SOT (Network-to-Code); Zabbix monitoring with Prometheus Datadog and Grafana integrations; Claude Code for well-documented automation; and intermediate to advanced Confluence and Jira; AWS Lambda ECS or EKS API Gateway or equivalent Azure services.
• Advanced interpersonal verbal and written communications skills with the ability to work independently and collaborate with stakeholders and team members.

Additional qualifications at the SES.4 level 

• Provide technical guidance training and leadership to teams deploying the most modern and advanced cloud networking solutions aligned with best practices for multi-cloud network environments.
• Expert-level experience designing and implementing complex cloud network solutions from scratch where you were responsible for making complex technical recommendations.
• Experience training and mentoring team members in network and cloud engineering and architecture.

Qualifications We Desire

• Active networking certifications such as Cisco CCIE AWS Networking Specialist.

Pay Range

$175530 - $222564 Annually for the SES.3 job level
$210630 - $267060 Annually for the SES.4 job level

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)
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  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. 

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  Remote Work :

  No

  
  

  Employment Type :

  Full-time