The Role Build and operate reliable, scalable cloud applications through automation, infrastructure as code, CI/CD, monitoring, incident response, capacity planning, and SLO management. Collaborate with software engineers on resilient system design, support development environments, improve operational processes, and participate in 24x7 on-call rotation. The role requires expertise with AWS, Kubernetes, Terraform, Docker, networking, and observability, along with mentoring and leadership in SRE practices. Summary Generated by Built In Basic Function 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.

Physical Demands:

While performing the duties of this Job, the employee is regularly required to sit; use hands to type, handle, or feel and talk or hear Specific vision abilities required by this job include close vision Ability to occasionally lift/move up to 25 pounds Individuals with a disability who are otherwise able to perform the essential functions of the job may request reasonable accommodation through the Human Resources department.

Supervisory Responsibility:

None Position Specifications Education:

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.

Travel:

Minimal, generally 12 days or less per year, ~2X team get togethers a year

LIFE AT LUMIN DIGITAL

Lumin Digital is a trailblazer in digital banking solutions, driven by a unique approach to technology, service, and people. We empower credit unions and banks by creating cutting-edge digital experiences that continuously serve, engage, and grow their membership base — and as a 100% cloud-native company, we're purpose-built to unlock the full advantages of the cloud for financial institutions and their users. At Lumin, we thrive on curiosity and innovation. Our culture is built on trust in our expertise and decisions, respect for diverse perspectives and talents, and boldness in pursuing new ideas. These values shape a workplace where collaboration thrives, ideas flourish, and new possibilities are discovered every day. We encourage our team to explore, experiment, and challenge the status quo — because continuous improvement isn't just a goal, it's how we operate.

Benefits include:

We take care of our people with medical, dental, and vision insurance, a 401(k) with company match, flexible PTO plus 12 paid holidays, paid sick leave, and paid parental and family leave. We also offer a lifestyle spending account, tuition reimbursement, and a cell phone stipend. Additional details are provided during the interview process. Lumin Digital is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender identity, or any other legally protected basis. For more information, visit lumindigital.com. Read Full Description Skills Required Bachelor's degree or higher in Computer Science, Engineering, or equivalent experience At least 5 years of experience as a software engineer Experience with TypeScript and Go, or other programming languages Full-stack troubleshooting skills focused on system-level issues Expertise in configuration management systems and Infrastructure-as-Code principles Strong understanding of HTTP, DNS, TCP/IP, and load balancing Experience with cloud hosting platforms Hands-on experience with Terraform, Kubernetes, and Docker Strong understanding of CI/CD workflows and robust pipeline architecture Familiarity with monitoring, alerting, self-healing, and escalation processes Ability to support Docker Desktop development environments on macOS and Windows Excellent written and verbal communication skills Ability to work within an agile scrum team Ability to participate in a 24x7 on-call rotation Experience with Amazon RDS, EKS, and CloudWatch AWS SysOps or Solutions Architect certification Lumin Digital Compensation & Benefits Highlights The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lumin Digital and has not been reviewed or approved by Lumin Digital. About This Summary Fair & Transparent Compensation — Employer-posted salary ranges for roles such as Senior Product Manager ($175K-$195K) and Senior Product Designer ($150K-$170K), alongside market-aligned totals for engineering roles, indicate competitive and visible pay bands. Healthcare Strength — Medical, dental, and vision coverage are consistently cited alongside life/disability and mental health support, signaling comprehensive core coverage. Employer-administered benefits also include FSA/HSA options. Leave & Time Off Breadth — Flexible or unlimited PTO, approximately 12 paid holidays, paid sick leave, and paid parental/family leave are listed across recent postings. These elements point to strong support for time away and family needs. Learn more about Lumin Digital's Compensation & Benefits → Lumin Digital Insights What's It Like to Work at Lumin Digital? Lumin Digital Culture & Values Lumin Digital Career Growth & Development What's the Work-Life Balance Like at Lumin Digital? Lumin Digital Leadership & Management Lumin Digital Company Growth, Stability & Outlook View all jobs at Lumin Digital View Lumin Digital Profile Report Job