Lead Site Reliability Engineer
About The Position
The US Parks Site Reliability Organization is accountable for the reliability and resilience of a portfolio of critical applications and services. We partner with product, engineering, and SRE teams across the organization to define and evolve reliability standards rooted in SRE and DevOps principles. Rather than simply operating systems, we apply engineering approaches—observability, automation, and data‑driven decision making—to proactively improve service health. By designing reliability into platforms and reducing operational toil, we enable teams to focus on innovation and delivering world‑class guest experiences. This role sits in the US Parks & Resorts organization within Disney Experiences Technology and works closely with other site reliability engineers, application delivery teams, and systems engineers from across the company. The Lead Site Reliability Engineer will report to the Manager, System Engineering.
Requirements
- Minimum 7 years of related work experience
- Proficient in agile environments
- Applied expertise in observability principles and tools, including defining and implementing SLIs, SLOs, and SLAs
- Hands-on experience with CI/CD tools like Gitlab, AWS CodeBuild, Azure DevOps
- Proficient in configuration management tools: Terraform, CloudFormation, Ansible, Chef
- Experience in procedural programming languages (Python, Perl, Ruby, Java, Go, Rust, C/C++)
- Skilled in Cloud environments (AWS, Azure, Google Cloud)
- Proven ability to design and build reliable, scalable enterprise systems
- Capable of leading reliability efforts and identifying root causes in large-scale distributed systems
- Proficient in UNIX/Linux administration, troubleshooting, and security
- Demonstrated experience leading technical projects and ensuring smooth delivery
- Collaborative work with Security Operations teams for secure solutions
- Strong troubleshooting skills across systems, network, and code
- Proven experience mentoring, guiding, or training other engineers, with strong written and verbal communication and the ability to influence without direct authority
- Proactive demeanor toward continuous learning and mastering emerging tools and methodologies
Responsibilities
- Serve as the SRE subject matter expert and technical lead for assigned products and platforms, owning the reliability strategy and embedding SRE and DevOps best practices
- Drive adoption and tracking of service level management—defining and operationalizing SLIs, SLOs, and SLAs—for the systems and applications in your assigned portfolio
- Lead the design, build, and support of products and platforms; consult on and build development pipelines, automate infrastructure and operations, and create telemetry for monitoring
- Engineer high reliability and reinforce best practices to secure company data across systems, network, performance, capacity, and operational excellence
- Mentor and guide other site reliability and systems engineers, providing coaching, feedback, and technical direction to elevate team performance and hold self and others accountable to commitments
- Lead Major Incident response for owned services—minimizing Mean Time to Resolve and delivering comprehensive retrospectives that result in measurable improvements to prevent future failures
- Partner with engineering, product, and program management to align priorities, manage dependencies, contribute to estimation and planning, and negotiate solutions to complex reliability challenges
- Champion a DevOps culture and a shift-left, reliability-by-design mindset among peers and developers
- Stay current with emerging technologies and apply AI/automation to reduce toil and improve service health
Benefits
- A bonus and/or long-term incentive units may be provided as part of the compensation package, in addition to the full range of medical, financial, and/or other benefits, dependent on the level and position offered.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
