Senior Network Automation Engineer

Vast • Long Beach, CA

6d • $131,000 - $186,000 • Onsite

About The Position

Vast is seeking a Senior Network Automation Engineer to modernize its data center and campus network infrastructure. Reporting to the Senior Manager, Network Infrastructure, this role will design vendor-agnostic automation systems to deploy, scale, and lifecycle-manage complex EVPN-VXLAN underlay and overlay fabrics across Arista and Juniper environments. The engineer will apply software engineering practices and AI-assisted tools to accelerate code creation, validation, and troubleshooting while building deterministic, resilient systems that reduce operational toil.

This is a full-time, exempt position located in Vast’s Long Beach location. The role may require travel up to 20%, overtime or weekend work to support critical mission milestones, and the ability to lift up to 25 pounds unassisted. The position requires the successful candidate to be a U.S. person under the cited export-control definition or otherwise eligible for deemed export licensing.

The California pay range is $131,000–$186,000 USD. Compensation is calibrated to the selected candidate’s experience and demonstrated capability. Full-time employees receive company equity and access to benefits that include medical, dental, and vision coverage; paid time off; paid parental leave; disability and life insurance; a 401(k) plan; ClassPass credits; personalized mental healthcare; food perks; and other discounts and perks.

Requirements

• 7–10 years of network engineering experience, including at least 4 years dedicated to network automation and NetDevOps practices.
• Deep technical expertise in underlay routing, including eBGP and OSPF, and EVPN-VXLAN overlay design for enterprise-scale data center and campus networks.
• Programmatic engineering experience managing Arista EOS and Juniper Junos systems.
• Senior-level proficiency in software engineering patterns using Python, including Nornir, Asyncio, and NAPALM, or Go, to build reliable internal infrastructure APIs.
• Practical experience using AI code assistants, prompt engineering patterns, or agentic frameworks to safely generate, refactor, and test automation code.
• Expert, production-tested experience with Terraform, Ansible, and standard GitOps workflows.
• Ability to travel up to 20% of the time.
• Willingness to work overtime or weekends to support critical mission milestones.
• Ability to lift up to 25 pounds unassisted.
• Must be a U.S. person as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing.

Nice To Haves

• High-tier engineering certifications such as Arista ACE, Juniper JNCIE, Cisco CCIE, or DevNet Professional/Expert.
• Experience using open streaming telemetry standards such as gNMI and gRPC to monitor and parse real-time fabric state.
• Experience containerizing internal networking scripts or microservices using Docker or Kubernetes.

Responsibilities

• Develop end-to-end automation pipelines to provision and manage EVPN-VXLAN fabrics, including Symmetric/Asymmetric IRB, Multi-Homing, and Anycast Gateways, across Arista EOS/AVD and Juniper Junos/Apstra environments.
• Identify and integrate AI-accelerated workflows, including agentic automation testing, AI-assisted playbook generation, and natural-language telemetry querying.
• Maintain vendor-agnostic Network as Code standards by translating platform-specific tasks into open, reusable YAML, JSON, or YANG data models.
• Own schema configuration and data definitions for enterprise Single Source of Truth platforms such as NetBox or Nautobot, mapping fabric intent to live states.
• Build continuous network CI/CD workflows with validation and dry-run testing, using tools such as Batfish and pyATS in GitLab CI or GitHub Actions.
• Define automation patterns and coding standards, establish guardrails for AI-generated logic, and mentor junior network developers.

Benefits

• Company equity for full-time employees.
• Medical, dental, and vision coverage for employees and dependents.
• Paid time off, including up to 20+ vacation days for exempt staff, with the ability to cash out unused vacation annually.
• Paid parental leave.
• Short- and long-term disability insurance.
• Life insurance.
• Access to a 401(k) retirement plan.
• ClassPass credits.
• Personalized mental healthcare through Spring Health.
• Snacks, drip coffee, onsite barista, and cold drinks at no charge; dinner meals at no charge and subsidized lunch.
• Other discounts and perks.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed