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# Site Reliability Engineer II

- **Company:** Lumin Digital
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $170,000.0 - $230,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Amazon Web Services, Apple Mac Systems, Continuous Integration, Data Integrity, Monitoring of Systems, Scrum Methodology, Reliability Engineering, TypeScript, Reliability of Systems, Amazon Relational Database Service, Information Technology, Cloudwatch, Docker
- **Published:** October 21, 2026
- **Apply:** https://www.builtincolorado.com/job/senior-site-reliability-engineer-ii/11778048?handler=ApplyRedirect

## About the Role

* Bachelor's degree or higher in Computer Science, Engineering, or equivalent experience required.

Experience:

 * At least 5 years of experience as a software engineer, the role requires TypeScript and Go but we accept experience in other languages.

Knowledge, Skills, & Abilities:

 * Exceptional full-stack troubleshooting skills, with a focus on resolving system-level issues.
 * Expertise in configuration management systems and Infrastructure-as-Code principles.
 * Strong understanding of networking protocols and components such as HTTP, DNS, TCP/IP, and Load Balancing.
 * Experience with cloud hosting platforms, with AWS preferred (Google Cloud and Azure also valued).
 * Hands-on experience with Terraform, Kubernetes, and containerization technologies like Docker.
 * Solid understanding of CI/CD workflows and the ability to architect robust pipelines.
 * Familiarity with monitoring and alerting strategies, including self-healing and escalation processes.
 * Commitment to improving on-call experiences by creating resilient and automated systems.
 * Strong problem-solving skills with a focus on automation and operational efficiency.
 * Security mindset with a focus on protecting data integrity and resilience.
 * Ability to support the local development environment with Docker Desktop on macOS and Windows.
 * Excellent written and verbal communication skills.
 * Proven ability to work within an agile scrum team.
 * Ability to participate in a 24x7 on-call rotation.
 * AWS certifications such as SysOps or Solutions Architect (preferred but not essential).
 * Experience with Amazon RDS, EKS, and CloudWatch.

## Description

The Senior Site Reliability Engineer (SRE) is a developer with a strong operations mindset, responsible for ensuring the reliability, availability, and scalability of Lumin Digital's applications. This role focuses on eliminating manual tasks through automation, maintaining Service Level Objectives (SLO), and closely collaborating with Software Engineers (SWE) to implement and maintain best practices for large-scale systems. The ideal candidate thrives in solving complex problems, automating processes, and creating resilient systems.
Essential Functions and Responsibilities:

 * Design, build, test, and document software solutions to site reliability challenges.
 * Design, implement, and manage CI/CD pipelines to improve deployment efficiency.
 * Monitor and resolve issues in all environments, ensuring SLO and uptime targets are consistently met.
 * Collaborate with Software Engineers to address SRE concerns during feature design and deployment.
 * Build, maintain, and support the local development environment on macOS and Windows.
 * Participate in capacity planning and demand forecasting to proactively address performance bottlenecks and scalability needs.
 * Perform change management to maintain system stability and minimize disruptions.
 * Generate uptime and SLO reports for internal review and leadership visibility.
 * Engage in SRE scrum team activities to drive agile development processes.
 * Ensure security best practices are followed, safeguarding data integrity and system resilience.
 * Perform other duties as assigned.

Where the Role Will Grow:

 * 30 Days: Understand the architecture, monitoring tools, and CI/CD pipelines currently in use. Begin participating in SRE team activities and resolving basic operational issues.
 * 90 Days: Take ownership of monitoring and alerting systems, improve system and infrastructure software automation, improve incident response processes, and contribute to SLO reporting.
 * 1 Year: Deliver measurable improvements in system reliability, scaling capabilities, and automation processes. Take a leadership role in SRE best practices and mentor junior team members.