About the Team & Role
We are looking for a highly motivated and high-potential Senior Staff Site Reliability Engineer (SRE) to join our team as a senior technical leader, driving transformational change and delivering significant business impact across WEX’s platform ecosystem.
This is a truly exciting moment to be part of the SRE organization at WEX. Our sophisticated platforms support a broad spectrum of customer businesses and generate vast, complex telemetry and operational data. Reliability, scalability, and efficiency are critical to unlocking the full potential of our services and enabling business and customer value at scale.
As a Senior Staff SRE, you’ll be at the forefront of defining and executing WEX’s reliability engineering vision. You’ll lead complex, cross-functional initiatives that elevate our observability, incident and problem management, automation, performance optimization, and capacity planning capabilities. You’ll architect resilient systems, design proactive reliability strategies, and build the frameworks and tooling that power operational excellence across the company.
Beyond hands-on technical contributions, you’ll serve as a strategic thought partner to engineering, product, and platform leadership—setting direction, influencing architecture, and embedding SRE principles across our development lifecycle. You’ll mentor engineers across levels, scale best practices, and act as a catalyst for a culture of reliability, continuous improvement, and innovation.
We work with modern technologies, leverage AI and automation to drive smarter operations, and operate within an agile, product-centric engineering model.
If you're a visionary technical leader passionate about building reliable, scalable systems—and you’re excited to make a lasting impact while growing your career—this is a rare and powerful opportunity.
How you'll make an impact
Set the vision and strategy for SRE across the organization.
Lead the development of innovative solutions to complex reliability challenges.
Represent the organization in industry forums and conferences.
Drive cultural transformation to prioritize reliability and operational excellence.
Build and maintain relationships with executive stakeholders.
Lead organization-wide reliability engineering initiatives.
Ensure business continuity, disaster recovery, and compliance.
Experience you'll bring
12+ years of experience in SRE, DevOps, or software engineering leadership.
Deep experience in cloud-native architecture and large-scale distributed systems.
Deep knowledge of Kubernetes, service meshes, and distributed tracing.
Deep expertise in system design, automation, and performance optimization.
Advanced cloud automation experience (AWS, Azure, GCP).
Exceptional leadership skills with a proven track record of driving reliability improvements.
Experience with monitoring and logging (Grafana, ELK stack, Splunk, etc.).
Knowledge of containerization and orchestration (Docker, Kubernetes).
Strong understanding of database reliability engineering (MySQL, PostgreSQL, NoSQL).
Knowledge of networking, databases, and storage architectures.
Excellent incident command and crisis management skills.
Strong experience in regulatory and compliance frameworks.
Experience with systems with high availability and reliability equivalent to benefit platforms.
Preferred Qualification
Ability to influence C-level executives on reliability strategies.
Deep expertise in AI/ML for anomaly detection and predictive analytics in observability.
Proven ability to align SRE practices with business goals.
Strong financial acumen in cost optimization and cloud spending strategies.
Experience with identifying and solving significant problems for Site Reliability and Operations using AI.
Recognized thought leader with publications or conference talks in SRE.
Strong ability to build high-performing SRE teams and mentor engineering leaders.
Experience in healthcare, insurance, or benefits technology.
Understanding of Benefits domain such as claims processing, eligibility lookup success rate
Understanding of incident impact awareness on members and providers.
Experience working with compliance frameworks such as HIPAA, SOC 2, or HITRUST.
Top Skills
What We Do
We simplify complex payment systems for fleets, corporate payments, and healthcare—unlocking insights, opportunities, and efficiencies to give you greater control of your business. Powered by the belief that complex payment systems can be made simple, WEX (NYSE: WEX) is a leading financial technology service provider across a wide spectrum of sectors, including fleet, travel and healthcare. WEX operates in more than 10 countries and in more than 20 currencies through approximately 4,900 associates around the world. WEX fleet cards offer approximately 14 million vehicles exceptional payment security and control; our travel and corporate solutions business processes over $35 billion of purchase volume annually; and the WEX Health financial technology platform helps 343,000 employers and more than 28 million consumers better manage healthcare expenses.
