Senior Site Reliability Engineer 3

Summary

Join PagerDuty's Release Engineering team in Portugal as a Senior Site Reliability Engineer 3. You will lead platform engineering initiatives, make key architectural decisions for CI/CD and Kubernetes, mentor junior team members, and build scalable infrastructure solutions. Responsibilities include designing and implementing complex platform solutions, improving developer experience and platform reliability, and leading post-incident reviews. You will collaborate with global engineering teams and champion observability best practices. This role requires a strong background in Site Reliability Engineering, Kubernetes, CI/CD, and cloud-native infrastructure. The position offers a flexible hybrid work model with one day per month in the Lisbon office.

Requirements

• 5+ years of experience in Site Reliability Engineering, DevOps, or Platform Engineering roles
• Deep expertise in Kubernetes administration and architecture
• Strong track record of leading CI/CD and platform engineering initiatives
• Demonstrated experience leading technical projects and mentoring engineers
• Advanced experience working on cloud-native infrastructure (e.g. AWS, GCP, Azure)
• Experience with monitoring, observability and logging platforms (e.g. DataDog, New Relic, SumoLogic, Splunk)
• Advanced experience with Infrastructure as Code, (e.g. Terraform, Cloudformation)
• Proficiency in at least one programming language (e.g. Python, Ruby, Go, etc.)

Responsibilities

• Lead the design and implementation of complex platform engineering solutions
• Drive architectural decisions for our CI/CD infrastructure and Kubernetes platform
• Mentor junior team members and provide technical leadership in platform engineering practices
• Develop and implement strategic initiatives to improve developer experience and platform reliability
• Design and implement scalable solutions for infrastructure automation using Terraform and other IaC tools
• Lead post incident reviews and drive systematic improvements to prevent recurring issues
• Collaborate with other engineering teams globally to define and implement platform standards
• Champion observability and monitoring best practices across the organization
• Participate in a 24/7 on-call rotation

Preferred Qualifications

• Experience with GitOps practices and tools like ArgoCD
• Experience building and maintaining platform engineering solutions at scale
• Experience implementing and managing observability solutions
• Experience with cost optimization and capacity planning
• Knowledge of emerging trends in platform engineering and DevOps practices
• Strong technical writing skills for documentation and knowledge sharing
• Experience with developer portals and internal platform products

Benefits

• Competitive salary
• Comprehensive benefits package from day one
• Flexible work arrangements
• Company equity
• ESPP (Employee Stock Purchase Program)
• Retirement or pension plan
• Generous paid vacation time
• Paid holidays and sick leave
• Dutonian Wellness Days & HibernationDuty - companywide paid days off in addition to PTO
• Paid parental leave: 22 weeks for pregnant parent, 12 weeks for non-pregnant parent (some countries have longer leave standards and we comply with local laws)
• Paid volunteer time off: 20 hours per year
• Company-wide hack weeks
• Mental wellness programs