Lead Site Reliability Engineer

Liberty Personnel Services, Inc.
Philadelphia, PA

Job Details:

Lead Site Reliability Engineer

The Lead Site Reliability Engineer is a senior technical leader responsible for the reliability, availability, and operational excellence of a cloud-based infrastructure and distributed platform. This role owns uptime, SLAs, and incident response while driving long-term improvements in resilience, observability, and automation. The Lead SRE is hands-on and partners closely with platform, QA, and development teams.

This role suits an engineer who thrives in high-ownership environments, balancing real-time operations with strategic reliability initiatives. You’ll define operational standards, disaster recovery practices, and automation frameworks, while leading incidents and postmortems with clarity and accountability.

Key Responsibilities

  • Own uptime, SLAs, and overall platform reliability
  • Lead incident response, root-cause analysis, and postmortems
  • Automate infrastructure, deployments, and operational workflows
  • Improve monitoring, alerting, and observability
  • Execute and evolve disaster recovery and business continuity plans
  • Optimize cloud and Kubernetes environments for scale and performance
  • Establish runbooks, operational standards, and reliability best practices
  • Provide technical leadership and mentorship

Qualifications

  • 6+ years in SRE, DevOps, or Platform Engineering; 2+ years in a lead role
  • Strong experience supporting production systems with strict SLAs
  • Deep expertise in Kubernetes, containers, and cloud infrastructure
  • Proficiency with Terraform and modern IaC practices
  • Strong automation and scripting skills (Bash, Python, or Go)
  • Experience with CI/CD, GitOps, and observability tooling
  • Proven incident leadership and cross-functional communication skills

If you are interested in learning more please send a copy of your resume to [email protected].

Josh Zeloyle


610-684-8676
[email protected]

#libertyjobs

#sre

#devops

#LI-JZ1

Posted 2026-01-26

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