Senior Site Reliability Engineer (SRE Lead)

Company: NomisoEmployment Type: Full-TimeLocation: Scottsdale, Arizona – 100% Onsite at Client HeadquartersStart Date: Immidiately Experience Level: Senior / Lead

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About the Role
Nomiso is seeking a highly experienced Senior Site Reliability Engineer (SRE Lead) to lead the development and implementation of a comprehensive Site Reliability Engineering practice for one of our enterprise clients.
This is a hands-on technical leadership opportunity focused on improving application reliability, establishing observability and monitoring standards, reducing production incidents, and building scalable, resilient systems.
The ideal candidate combines deep SRE expertise with strong technical leadership skills and a proven track record of implementing reliability engineering best practices across complex enterprise environments.
Key Responsibilities
SRE Strategy and Technical Leadership
Lead the design and implementation of SRE practices, standards, and operational frameworks.Establish Service Level Indicators (SLIs), Service Level Objectives (SLOs), and error-budget policies.Partner with engineering leadership and application teams to define and improve reliability targets.Provide technical guidance, mentorship, and best practices to SRE and development teams.
Observability, Monitoring, and Alerting
Design and standardize enterprise monitoring, logging, tracing, and alerting practices.Work with technologies including Splunk, AppDynamics, ELK, Cribl, and OpenTelemetry.Implement actionable, SLO-based alerting to reduce alert fatigue and improve incident detection.Lead observability architecture decisions and distributed tracing implementations.
Incident Management and Production Reliability
Establish incident response standards, escalation procedures, and root cause analysis practices.Drive blameless postmortems and ensure corrective actions are implemented.Improve incident detection, mitigation, and recovery times.Define production readiness reviews, runbooks, and operational standards.
Resiliency and Automation
Design strategies for improving application resilience, including retries, timeouts, circuit breakers, and graceful degradation.Identify and automate repetitive operational tasks to reduce manual intervention.Collaborate with engineering teams to improve system performance, stability, and scalability.Establish reliability metrics and dashboards to measure ongoing improvements.
Required Qualifications
Extensive professional experience in Site Reliability Engineering, DevOps, Platform Engineering, or Production Engineering.Proven experience leading enterprise SRE initiatives and implementing reliability engineering practices.Strong knowledge of SLIs, SLOs, error budgets, and incident management.Hands-on experience with monitoring, observability, distributed tracing, and alerting solutions.Strong understanding of distributed systems, application resiliency, and production troubleshooting.Experience with operational automation and engineering best practices.Excellent technical leadership, communication, and problem-solving skills.Ability to work full-time onsite in Scottsdale, Arizona.
Preferred Qualifications
Experience with Splunk, AppDynamics, ELK, Cribl, FireHydrant, and OpenTelemetry.Experience establishing or transforming SRE practices within enterprise organizations.Experience with large-scale, high-availability, customer-facing applications.Telecommunications industry experience.Experience mentoring engineers and collaborating across multiple technical teams.
Why Join Nomiso?
At Nomiso, you'll have the opportunity to work on high-impact enterprise technology initiatives, collaborate with experienced engineering teams, and play a key role in building reliable, scalable technology platforms. xzbcwsv
This position offers the opportunity to shape reliability engineering practices and make a measurable impact on enterprise application performance and operational excellence.