> Markdown version of [/jobs/ext/2834396-site-reliability-engineer](https://www.wearedevelopers.com/jobs/ext/2834396-site-reliability-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Site Reliability Engineer - **Company:** Ancestry.com Inc. - **Location:** San Francisco, CA, United States (Remote available) - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Data Analysis, Proxy Servers, Microsoft Azure, Bash Shell, Big Data, Bioinformatics, Cloud Computing, Encodings, Cyber Security, Computer Networks, Databases, Continuous Integration, CouchDB, Query Languages, Intrusion Detection Systems, Python (Programming Language), Machine Learning, Microsoft SQL Server, MySQL, Routing, NoSQL, Windows PowerShell, Systems Development Life Cycle, Reliability Engineering, Site Reliability Engineering Practices, Ansible, Software Engineering, TCP/IP, Virtualization Technology, Wide Area Networks, Scripting, Load Balancing, Performance Testing, Computer Network Technologies, Prompt Engineering, Firewalls (Computer Science), Gitlab, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Cassandra, Puppet, New Relic (SaaS) - **Published:** September 10, 2026 - **Apply:** https://www.builtincolorado.com/job/site-reliability-engineer/11085415?handler=ApplyRedirect ## About the Role * 4+ years in a continual, high-availability enterprise production environment * 4+ years in managing and monitoring AWS technologies and services with tools like New Relic or AWS Application Signals * 2+ years in an enterprise level NOC or Command Center environment * 2+ years in developing AI agentic workflows and knowledge of best practices in prompt engineering, context management, and AI SDLC * 4+ years in scripting, automation, and software development with knowledge of various languages (e.g. Python, Java,, Bash, Powershell) * Demonstrated logical thought processes through new technologies, systems, concepts and procedures, and the ability to use reports and data to improve operational results * Document issues leveraging defined processes * An understanding of TCP/IP LAN/WAN networking technologies and troubleshooting techniques, virtualization technologies * Knowledge of hardware or software-based firewalls, load balancers, intrusion detection systems and proxy servers * Knowledge of relational and NoSQL database technology query languages (MSSQL, MySQL, Cassandra and CouchDB, etc) * Knowledge of CI/CD tools like Harness, Chef, or Puppet, Ancestry is not accepting unsolicited assistance from search firms for this employment opportunity. All resumes submitted by search firms to any employee at Ancestry via-email, the Internet or in any form and/or method without a valid written search agreement in place for this position will be deemed the sole property of Ancestry. No fee will be paid in the event the candidate is hired by Ancestry as a result of the referral or through other means. ## Description * Provide frontline support, including the ability to provide technical solutions, for a complex system including a variety of cloud infrastructure technologies, databases, and network systems * Analyze data from monitoring tools and take appropriate actions based on patterns, outliers, or anomalies * Partner with development teams to find ways to reduce the time to issue detection and resolution * Manage bridges with on-call rotational support groups and executives during outage events or as deemed necessary * Report on Incident cases through our automation tools and ticket tracking system * Research, proof, and author technical documentation * Create and maintain AI agentic workflow context * Assist in automation and tool development to reduce toil * Participate in team meetings and team projects - both independently and as assigned * Be available to cover other shifts (i.e.: days, weekends, and holidays) * This position is for a night shift from 10 pm - 6 AM MST, Monday-Thursday. The Command Center is a 24x7x365 operation and you will work some holidays, All job offers are contingent on a background check screen that complies with applicable law. For candidates who live in San Francisco, CA, pursuant to the San Francisco Fair Chance Ordinance, Ancestry will consider for employment qualified applicants with arrest and conviction records. Ancestry is not accepting unsolicited assistance from search firms for this employment opportunity. All resumes submitted by search firms to any employee at Ancestry via-email, the Internet or in any form and/or method without a valid written search agreement in place for this position will be deemed the sole property of Ancestry. No fee will be paid in the event the candidate is hired by Ancestry as a result of the referral or through other means., Leads reliability engineering for mission-critical network services, including resiliency reviews, incident response, root-cause analysis, automation, observability, and durable remediation. Architects self-healing and guarded remediation workflows using Python, Shell, and Ansible. Provides technical leadership across SD-WAN, SDN, routing, switching, security, and traffic services while embedding SRE practices, resilience testing, AI-assisted workflows, and security controls. Mentors engineers and drives service-level objectives, error budgets, and operational readiness. Top Skills: .NetAnsibleCi/CdContainer OrchestrationContainersFirewallsJavaLoad BalancersObservabilityProxiesPythonRoutingSd-WanSdaSdnShellSpring BootSwitching GitLab Site Reliability Engineer 2 Days Ago Easy Apply Remote United States Easy Apply Senior level Senior level Cloud * Security * Software * Cybersecurity * Automation Build and operate reliable, scalable production infrastructure for GitLab's user-facing services. Responsibilities include developing infrastructure automation and tooling, managing Kubernetes deployments, maintaining infrastructure as code, supporting CI/CD and GitOps, participating in on-call and incident response, improving observability and SLOs, troubleshooting production systems, and documenting operational practices. The role spans Intermediate through Senior Staff levels and requires strong software engineering, cloud, reliability, and asynchronous collaboration skills. 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