Senior SRE Lead - AI-Powered Reliability & Scale

WEX; San Francisco (CA); On-site; USD 121,000 - 151,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Retirement plan

Paid time off

Health Savings Account

Flexible spending accounts

Life insurance

Disability insurance

Tuition reimbursement

Job summary

WEX is seeking a Staff Site Reliability Engineer to lead reliability initiatives for a diverse product ecosystem. You will architect scalable, observable systems and mentor teams while shaping AI-enabled operations and security-focused automation.

The role emphasizes leading through influence, defining SRE practices, and delivering measurable improvements in availability and performance across platforms.

Qualifications

• 8+ years of experience focused on large-scale reliability.
• Strong system architecture, cloud, and automation background.
• Expertise in Kubernetes, service meshes, and tracing.
• Experience with monitoring/logging platforms (Grafana, ELK, Splunk).
• Hands-on with AI-enabled operations and automation tooling.

Responsibilities

• Architect and oversee mission-critical systems for availability and scalability.
• Enforce SRE practices and operational standards across teams.
• Lead cross-functional reliability initiatives at scale.
• Advise engineering leadership on architecture and risk.
• Develop capacity planning and load testing strategies.
• Design auto-recovery and self-healing mechanisms.
• Drive cloud cost optimization without sacrificing reliability.
• Design and govern AI agents and reusable automation skills.
• Evaluate AI ecosystems and integrate into workflows.
• Apply AI security and governance to production use.
• Lead AI-enabled incident response and runbooks.
• Mentor engineers on production-grade AI/agent solutions.

Skills

Large-scale reliability

System architecture

Cloud platforms

Automation frameworks

Kubernetes

Service meshes

Distributed tracing

Incident management

AI in operations

Tools

Grafana

ELK stack

Splunk

Docker

Job description

WEX is seeking a Staff Site Reliability Engineer to lead reliability initiatives for a diverse product ecosystem. You will architect scalable, observable systems and mentor teams while shaping AI-enabled operations and security-focused automation.

The role emphasizes leading through influence, defining SRE practices, and delivering measurable improvements in availability and performance across platforms.