Senior Network Engineer

2 days ago

San Francisco, California, United States ektello Full time $120,000 - $180,000 per year
  • W2 contract, min of 2 years** HYBRID out of San Francisco, CA**

Our client is a visual discovery engine where users can find, save, and shop for ideas through images and videos.

Their IT Network Engineering team designs, builds, and operates the enterprise network across offices, data centers, and AWS. As a Sr. Network Engineer. In this role, you'll lead core network design/upgrades, deliver reliable AWS connectivity, automate with infrastructure as code, and mentor teammates. You'll be accountable for availability, performance, and security across a multi vendor stack. On call is required.

What You'll Do

  • Design and implement network changes across Bay Area sites and global locations (campus, data center, WAN/SD WAN, remote access, cloud interconnects).
  • Architect and operate AWS networking: multi account VPCs, Transit Gateway, Direct Connect, VPN, endpoints/PrivateLink, Route 53, ALB/NLB, security groups/NACLs, segmentation guardrails.
  • Build infrastructure as code (Terraform): reusable modules, CI/CD pipelines, automated pre/post change validation, drift detection.
  • Lead advanced L2–L7 troubleshooting; drive incidents to resolution and root cause across on prem and AWS.
  • Apply SRE practices: define SLIs/SLOs/alerts, participate in and lead on call, run incident response and postmortems, maintain runbooks and dashboards.
  • Partner with Security, SRE/Infra, Workplace, and other IT teams; lead design reviews and cross functional projects.
  • Document architectures and operational procedures; mentor junior engineers.

Primary platforms

  • AWS
  • Palo Alto Networks (PAN OS, Panorama, GlobalProtect, URL/Threat, DNS Security)
  • Juniper Networks (EX/QFX, EVPN/VXLAN, Junos)
  • Cisco Meraki (MX/MS/MR, SD WAN)
  • Cisco Wi Fi (Catalyst/9800, RF design), 802.1X
  • Infoblox (DNS/DHCP/IPAM, API automation)
  • Tooling: Terraform, Git/GitHub, Ansible/Nornir, Python/Go, CloudWatch, Datadog (or similar)

How you'll measure success in this role

  • Reliability: higher availability and lower MTTR for campus/core/AWS connectivity via defined SLIs/SLOs.
  • Safe velocity: automated, tested IaC pipelines; fewer change related incidents and less toil.
  • Delivery: on time multi site upgrades and AWS networking projects that move team OKRs.
  • Enablement: durable docs/runbooks and mentorship that uplevel the team.

What you bring

  • Minimum 5+ years designing and operating large scale enterprise networks across hybrid environments (offices, data centers, AWS).
  • Deep L2/L3: BGP, OSPF/IS IS, EVPN/VXLAN, routing policy, HA, QoS, NAT; strong packet level troubleshooting.
  • Hands on AWS networking (VPC, TGW, DX, VPN, Route 53, ALB/NLB, endpoints/PrivateLink, Flow Logs) and security guardrails.
  • Palo Alto Networks firewalls and Panorama: policy design, segmentation, GlobalProtect, threat services.
  • Juniper campus/data center and Cisco Meraki at scale; strong Cisco Wi Fi design/operations.
  • IaC and automation: Terraform modules, code reviews, CI/CD; Python or Go; Ansible/Nornir; device/cloud APIs.
  • Observability and SRE fundamentals: SLIs/SLOs, alerting, incident response/on call, postmortems, runbooks.
  • Clear communicator; strong ownership and accountability.

Preferred
Certifications: AWS Advanced Networking, PCNSE, JNCIP/JNCIE, CCNP/CCIE.

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