Senior Staff Site Reliability Engineer

About the Role
The WEX Site Reliability Engineering (SRE) team is seeking a Senior Staff SRE who is passionate about developing software and solutions focused on observability, incident response, reliability and performance, operational excellence, and compliance. The team will be part of the Benefits Reliability organization which supports our internal stakeholders and our Benefits Platform teams. As part of the Benefits Reliability organization you'll have the opportunity to solve complex challenges and improve the quality of life of our engineering teams as well as our ability to service our customers.

The ideal candidate will be a technical leader with a proven track record of designing, implementing, and managing complex systems at scale. They will have a deep understanding of software development, cloud computing, and operational best practices. The Senior Staff SRE will work closely with engineering teams to ensure that our systems are reliable, performant, and secure.

How you'll make an impact

• Technical Leadership: Provide technical guidance and mentorship to other SREs and engineers. Lead the design and implementation of complex systems and solutions. Drive the adoption of SRE best practices across the organization.

• System Design: Architect and implement highly available, scalable, and fault-tolerant systems. Optimize system performance and resource utilization. Proactively identify and mitigate risks to system reliability.

• Incident Response: Lead incident response efforts, driving efficient resolution and post-incident analysis. Develop and implement processes to improve incident response capabilities.

• Automation and Tooling: Design and develop automation tools to streamline operational tasks, improve system reliability, and reduce toil. Utilize monitoring and observability tools to gain deep insights into system behavior.

• Collaboration: Work closely with development teams to ensure software design meets operational requirements. Foster a culture of collaboration and knowledge sharing across teams.

• Capacity Planning & Performance Optimization: Forecast future capacity needs and implement strategies to ensure systems scale efficiently. Continuously identify performance bottlenecks and lead efforts to optimize system performance.

• Security & Compliance: Champion security best practices and ensure that systems are designed and operated in compliance with industry standards and regulations.

• Innovation: Stay current with emerging technologies and industry trends. Evaluate and introduce new tools and techniques to improve SRE practices and system reliability.

Experience you'll bring

• 7+ years of hands-on experience as a Site Reliability Engineer or equivalent role

• 7+ years of development experience with at least one major programming language

• Expert-level knowledge of Cloud Computing platforms (AWS and Azure)

• Proven ability to lead complex technical projects and initiatives

• Strong communication and collaboration skills, with the ability to influence and build consensus

• Deep understanding of observability, logging, and monitoring technologies

• Experience with a variety of RDBMS and NoSQL data stores

• Expertise in containerization technologies such as Docker and Kubernetes

• Expertise in infrastructure as code

• Experience designing and building RESTful APIs

• Extensive hands-on experience with (Datadog, Splunk, or other tooling)

• Familiarity with Agile methodologies and practices

• Extensive experience in providing and leading critical application support in a 24/7/365 high-availability environment.

• Experience with GitOps

• BA/BS degree in Computer Science or related technical field, or equivalent job experience

This Senior Staff SRE role offers a unique opportunity to make a significant impact on the reliability and performance of WEX's critical Benefits systems. You will play a key role in shaping the future of SRE at WEX and driving innovation across the organization.