Principal Site Reliability Engineer

Location: Buffalo, New York, United States of America

Salary: $139,700.00–$232,900.00 annual, USD

Company

M&T Bank operates in the financial services sector.

What you will do

• Define and drive service reliability standards, including SLOs, SLAs, and error budgets.
• Design highly available and fault-tolerant architectures that meet enterprise scalability and resiliency requirements.
• Lead incident management, problem management, root cause analysis, and post-incident reviews.
• Develop observability strategies covering logging, monitoring, alerting, and tracing.
• Lead automation initiatives for self-healing systems and operational workflows.
• Partner with development, infrastructure, cybersecurity, architecture, and senior stakeholder teams to improve reliability, performance, and capacity planning.

Requirements

• Associate’s degree and 9+ years of systems analysis and/or application development experience, or a bachelor’s degree and 7+ years of such experience.
• In lieu of a degree, 11+ years of combined education and/or relevant experience, including at least 7 years of systems analysis and/or application development experience.
• Expert experience in system design, reliability engineering, and production operations.
• Advanced proficiency in at least one programming or scripting language.
• Ability to apply SRE practices across multiple platforms and influence technical direction without direct authority.

Nice to have

• Experience with observability and incident management tooling.
• Experience with AWS or Azure.
• Strong understanding of CI/CD, DevOps, and SDLC practices.
• Experience defining and implementing SLO/SLI frameworks.
• Experience in regulated environments such as financial services.

Culture & Benefits

• Enterprise-wide reliability improvement initiatives across multiple platforms.
• Technical mentorship and leadership opportunities for less experienced engineers.
• Collaboration with development, infrastructure, cybersecurity, architecture, and senior stakeholders.
• Work aligned with risk, regulatory, internal control, and compliance standards.