Role Description We’re looking for a Senior DevOps Engineer to join the infrastructure team responsible for the stability, reliability, and evolution of Muse Group’s production platforms. This team runs the infrastructure behind our global music products — including high-traffic websites and services used by millions of musicians worldwide. As a senior engineer, you will play a key role in maintaining highly available systems while helping modernize our infrastructure. We are actively integrating AI and automation into all areas of the business and expect candidates with a mindset focused on improving efficiency and delivering a better user experience. - Own and operate CI/CD pipelines (Jenkins, GitHub Actions) and the self-hosted runner fleet (Linux/macOS/Windows); keep deploys and rollbacks reliable and fast. - Operate Kubernetes (Hetzner) and Helm-managed services; containerize and ship services with Docker. - Operate and recover the data layer: MySQL/Percona XtraDB (multi-region replication), ClickHouse, Redis/Memcached, Kafka. - Own the network/edge layer: nginx load balancing, Cloudflare/CDN, DNS, TLS certificates. - Maintain the observability stack (self-hosted Sentry, Prometheus/Grafana, Graylog) and run its migrations. - Maintain build infrastructure for mobile/desktop apps. - Serve as infrastructure on-call: incident response, coordination, and root-cause analysis. - Use AI tooling to accelerate configuration, automation, diagnostics, and documentation. Qualifications - Production CI/CD: Jenkins + GitHub Actions. - Kubernetes + Helm; Docker. - Strong Linux administration; nginx; operating PHP/php-fpm applications. - MySQL/Percona XtraDB: replication, recovery, troubleshooting. - Configuration management with Ansible. - Scripting: Bash + (Python or PHP). - CDN/Cloudflare or other S3-compatible storage experience. - MacOS/iOS builds (fastlane, certificates, provisioning, DSYM), Android builds. - Nexus or other private registries. - On-call / incident-management experience. - Practical, daily use of AI coding/ops assistants. Requirements - ClickHouse, Redis/Memcached, Kafka, ZooKeeper. - Self-hosted Sentry, Prometheus/Grafana, DataDog. - Multi-region infrastructure; Go (for tooling/exporters). Benefits

Requisition Number: 2348387 Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together. To support this mission, OSIT has initiated a multi-year modernization program aimed at updating and enhancing enterprise technology systems in accordance with modern design standards. As a Site Reliability Engineer (SRE), you will play a key role in ensuring the reliability, scalability, and performance of our systems, applications, and infrastructure. You will bridge the gap between development and operations, applying software engineering practices to solve operational challenges. Your focus will be on automating processes, improving system reliability, and ensuring seamless delivery of services to our customers (OSIT). You'll enjoy the flexibility to work remotely * from anywhere within the U.S. as you take on some tough challenges. Primary Responsibilities: - Build, maintain, and operate the AWS hosted platform. - Work closely with dev teams to Identify and measure SLOs, SLAs and SLIs - Contributor to development of platform services including architecture, provisioning, configuration, deployment, and support - Integration with centralized logging, metrics dashboards, instrumentation, incident monitoring and management - Participate in on-call rotation for incident resolution for the platform and/or any dependent components - React to production deficiencies by continuously implementing automation, self-healing, and real-time monitoring to production systems - Maintain operational tooling, frameworks, - Perform root cause analysis and deliver resolution for tools and automation failures - Build/integrate/administer systems and tools that enable engineering teams to observe their applications in production with autonomy (Dashboards, APMs) - Automate alerts for metrics on performance, cost, vulnerabilities, risk, compliance violations - Conduct postmortem after production issues You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in. Required Qualifications: - 5+ years of experience in software engineering - 3+ years of scripting experience in Python or Powershell - 3+ years of experience with Linux system administration and shell scripting - 3+ years of experience with networking fundamentals including VPN setup, routing, security groups, cross-cloud connectivity - 2+ years of experience with AWS services: EC2, VPC, IAM, Lambda, S3, CloudWatch - 2+ years of experience with Infrastructure-as-Code: Terraform, AWS CloudFormation, CDK - If you are offered this position, you will be required to provide extensive personal information to obtain and maintain a suitability or determination of eligibility for a Confidential/Secret or Top Secret security clearance as a condition of your employment - United States Citizenship Preferred Qualifications: - Bachelor's degree in Information Technology, Computer Science or related field - 1+ years of experience with CI/CD pipeline basics using Git and GitLab - 1+ years of experience monitoring and alerting with CloudWatch and Dynatrace - 1+ years of experience with containerized workloads (ECS, EKS, etc) - Experience with security and compliance frameworks: FedRAMP Moderate, NIST 800-171 - Use of AI-driven anomaly detection in CloudWatch for proactive issue resolution - Automation of patching and scaling using predictive models as well as supporting infrastructure for AI-based applications *All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy. Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $91,700 to $163,700 annually based on full-time employment. We comply with all minimum wage laws as applicable. Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants. At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission. UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations. UnitedHealth Group is a drug - free workplace. Candidates are required to pass a drug test before beginning employment.

• Support highly resilient environments through robust automation, infrastructure-as-code, and sophisticated observability • Collaborate with software development colleagues to uphold rigorous benchmarks for system stability, throughput, and security • Drive maximum uptime for existing and developing products • Improve new and existing systems by increasing reliability, performance, and scalability • Automate routine operational tasks to reduce toil and improve efficiency • Ensure infrastructure security compliance and implement least-privilege access controls • Implement efficient infrastructure that balances rapid development and cost • Embrace technological changes while maintaining reliability • Participate in a 24/7 on-call rotation • Conduct thorough post-incident reviews and implement preventative measures • Use observability data to identify system improvements • Implement infrastructure as code in high compliance environments • Scale developer experiences by being the standard bearer of an opinionated platform approach

• Help own and evolve the cloud infrastructure behind Lisk's financial platform as we scale. • Work as part of a tight-knit platform team. • Drive the platform roadmap. • Own our Infrastructure as Code. • Run production at a fintech bar. • Lead on security. • Build safe delivery pipelines. • Make the platform observable. • Plan for failure. • Control cost. • Raise the team's bar.