Senior / Lead Site Reliability Engineer

At Zelis, we Get Stuff Done. So, let’s get to it!

A Little About Us

Zelis is modernizing the healthcare financial experience across payers, providers, and healthcare consumers. We serve more than 750 payers, including the top five national health plans, regional health plans, TPAs and millions of healthcare providers and consumers across our platform of solutions. Zelis sees across the system to identify, optimize, and solve problems holistically with technology built by healthcare experts – driving real, measurable results for clients.

At Zelis, AI is woven into the fabric of how we work. Every associate is expected - and empowered - to partner with AI to challenge the status quo, accelerate innovation, and amplify their impact. This is a place for builders with a growth mindset who act with agility, embrace change, and use modern technology to shape smarter solutions, exceptional experiences, and the future of our industry for our clients, customers, and our culture.

A Little About You

You bring a unique blend of personality and professional expertise to your work, inspiring others with your passion and dedication. Your career is a testament to your diverse experiences, community involvement, and the valuable lessons you've learned along the way. You are more than just your resume; you are a reflection of your achievements, the knowledge you've gained, and the personal interests that shape who you are.

Position Overview

Zelis is seeking a highly skilled and experienced Senior / Lead Site Reliability Engineer (SRE) to join our Site Reliability Engineering team.

This role is ideal for a technically strong, automation-focused engineer who thrives on solving complex problems, improving production reliability, and building scalable solutions that reduce operational overhead.

The successful candidate will bring deep technical expertise in PowerShell, .NET applications, AWS cloud infrastructure, New Relic, and Splunk, combined with a strong understanding of Site Reliability Engineering principles and modern operational practices.

As a senior technical contributor, you will play a critical role in advancing Zelis's enterprise reliability strategy by improving application performance, strengthening observability, automating operational processes, and partnering with engineering teams to design and maintain highly available, resilient systems.

We are looking for an engineer who goes beyond monitoring systems and responding to incidents - someone who understands how applications work, can diagnose complex technical issues, identifies opportunities for automation, and proactively engineers solutions that prevent incidents before they occur.

This position requires a combination of software engineering expertise, production operations experience, cloud engineering knowledge, and technical leadership.

Key Responsibilities

• Site Reliability Engineering & Operational Excellence
• ·       Champion Site Reliability Engineering principles and best practices across the Zelis technology organization.
• ·       Establish and improve Service Level Indicators (SLIs), Service Level Objectives (SLOs), and reliability measurements.
• ·       Identify systemic reliability risks and develop engineering solutions to eliminate recurring operational issues.
• ·       Reduce manual operational toil through automation, self-healing capabilities, and improved engineering practices.
• ·       Collaborate with application development, infrastructure, cloud engineering, and security teams to improve production readiness.
• ·       Drive continuous improvement through measurable reliability, performance, and operational efficiency outcomes.
• Automation & Software Engineering
• ·       Design, develop, and maintain advanced PowerShell scripts, automation frameworks, and operational tooling .
• ·       Troubleshoot and optimize enterprise applications built on Microsoft .NET and C# technologies .
• ·       Analyze application behavior, dependencies, configuration, and performance to identify underlying technical issues.
• ·       Partner with software engineering teams to improve application reliability, error handling, logging, and operational supportability.
• ·       Develop reusable automation and engineering solutions that reduce repetitive manual intervention.
• ·       Integrate automation into CI/CD pipelines and operational workflows.
• Observability, Monitoring & Performance Engineering
• ·       Serve as a technical subject matter expert in New Relic and Splunk , driving effective implementation and adoption of observability practices.
• ·       Design and improve application performance monitoring (APM), infrastructure monitoring, distributed tracing, logging, and alerting.
• ·       Develop meaningful dashboards, alerts, and service health indicators that provide actionable operational insights.
• ·       Analyze application telemetry, logs, metrics, and traces to identify performance bottlenecks and reliability concerns.
• ·       Improve proactive detection capabilities while reducing alert fatigue and unnecessary operational noise.
• ·       Support enterprise observability standardization, including monitoring coverage, alert ownership, and operational readiness.
• ·       Optimize observability configurations and telemetry consumption to balance visibility, effectiveness, and cost.
• AWS Cloud & Infrastructure Reliability
• ·       Support and improve production workloads operating within Amazon Web Services (AWS) .
• ·       Partner with cloud engineering teams to improve infrastructure design, monitoring, and resilience.
• ·       Identify opportunities to optimize AWS resource utilization, performance, and operational costs.
• ·       Promote Infrastructure as Code (IaC), automated deployments, and repeatable infrastructure management practices.
• Incident Management & Problem Resolution
• ·       Provide advanced technical leadership during critical production incidents and complex service disruptions.
• ·       Perform deep technical troubleshooting across applications, infrastructure, cloud services, and integrated systems.
• ·       Collaborate with Major Incident Management teams to accelerate service restoration and minimize business impact.
• ·       Lead or contribute to technical root cause analysis and post-incident reviews.
• ·       Translate incident findings into actionable engineering improvements that prevent recurrence.
• ·       Improve incident detection, diagnosis, mitigation, and recovery through automation and observability.
• ·       Develop and maintain operational runbooks, troubleshooting documentation, and automated remediation procedures.
• ·       Participate in production support and on-call responsibilities as required.
• Technical Leadership & Collaboration
• ·       Serve as a senior technical resource and trusted advisor for reliability engineering practices.
• ·       Mentor engineers and promote a culture of automation, ownership, and continuous improvement.
• ·       Partner with application development teams to improve software reliability throughout the development lifecycle.
• ·       Influence architectural and operational decisions through technical expertise and data-driven recommendations.
• ·       Lead complex technical initiatives involving multiple engineering teams and technology platforms.
• ·       Communicate technical findings, risks, and recommendations effectively to engineering teams and technology leadership.
• ·       Drive engineering improvements that deliver measurable reductions in incidents, recovery times, and operational effort.
• Required Qualifications
• Technical Experience
• ·       7+ years of experience in software engineering, systems engineering, production operations, DevOps, or Site Reliability Engineering.
• ·       3+ years of experience applying Site Reliability Engineering principles in enterprise production environments.
• ·       Advanced proficiency in PowerShell scripting and automation , including developing maintainable, reusable automation solutions.
• ·       Strong understanding of Microsoft .NET / .NET Core applications , including application architecture, configuration, troubleshooting, and performance analysis.
• ·       Hands-on experience with New Relic , including APM, infrastructure monitoring, dashboards, alerting, and application troubleshooting.
• ·       Hands-on experience with Splunk , including SPL queries, log analysis, dashboards, and troubleshooting production application issues.
• ·       Strong working knowledge of AWS services and cloud architecture , including EC2, CloudWatch, IAM, VPC, and related infrastructure services.
• ·       Experience troubleshooting distributed applications, APIs, application integrations, and complex production environments.
• ·       Strong understanding of Windows Server environments, application hosting, and enterprise infrastructure.
• ·       Experience implementing monitoring, alerting, logging, and automated remediation solutions.
• SRE & Engineering Expertise
• ·       Strong understanding of SRE concepts, including: ·       Service Level Indicators (SLIs) and Service Level Objectives (SLOs).
• ·       Error budgets and reliability-based decision-making.
• ·       Incident response and blameless postmortems.
• ·       Toil reduction and operational automation.
• ·       Observability and proactive monitoring.
• ·       Capacity planning, performance engineering, and resilience.
• ·       Continuous improvement and reliability measurement.
• ·       Experience with CI/CD pipelines, Git-based workflows, and automated deployments.
• ·       Strong troubleshooting skills across application, operating system, network, and cloud infrastructure layers.
• ·       Experience conducting root cause analysis and implementing long-term corrective actions.
• ·       Ability to independently lead complex technical investigations and engineering initiatives.

Preferred Qualifications

• ·       Experience developing applications or operational tools using C# and .NET.
• ·       Experience with AWS automation using PowerShell, AWS CLI, SDKs, or Infrastructure as Code.
• ·       Experience with Terraform, CloudFormation, or similar infrastructure automation technologies.
• ·       Experience with Ansible for configuration management, automation, and infrastructure orchestration.
• ·       Experience administering and troubleshooting Linux Server environments in enterprise production systems.
• ·       Experience with containerization and orchestration technologies such as Docker and Kubernetes.
• ·       Experience with Azure DevOps, GitHub Actions, Jenkins, or similar CI/CD platforms.
• ·       Experience implementing synthetic monitoring, distributed tracing, and automated service health validation.
• ·       Familiarity with SQL Server, database performance troubleshooting, and application-to-database connectivity.
• ·       Experience supporting business-critical applications in healthcare, financial technology, payment processing, or other highly regulated environments.
• ·       AWS, New Relic, Splunk, or relevant cloud engineering certifications.

Please note at this time we are unable to proceed with candidates who require visa sponsorship now or in the future.

Location and Workplace Flexibility

Zelis is headquartered in the U.S., with multiple locations across the country and in Hyderabad, India. Check out our locations to learn more about our offices. All employee work locations are based on the needs of the position and are determined by the Leadership team. In-office work and activities vary based on work and team objectives in accordance with Company policies.

While location expectations vary by role, candidates within approximately 50 miles of a U.S. office are generally preferred to support collaboration when needed. Our hybrid approach is flexible, and in-office presence is guided by team and business needs rather than a fixed weekly schedule.

Base Salary Range

$112,000.00 - $154,000.00

At Zelis we are committed to providing fair and equitable compensation packages. The base salary range allows us to make an offer that considers multiple individualized factors, including experience, education, qualifications, as well as job-related and industry-related knowledge and skills, etc. Base pay is just one part of our Total Rewards package, which may also include discretionary bonus plans, commissions, or other incentives depending on the role.

Zelis’ full-time associates are eligible for a highly competitive benefits package as well, which demonstrates our commitment to our employees’ health, well-being, and financial protection. The US-based benefits include a 401k plan with employer match, flexible paid time off, holidays, parental leaves, life and disability insurance, and health benefits including medical, dental, vision, and prescription drug coverage.

Equal Employment Opportunity

We welcome applicants from all backgrounds and encourage you to apply even if you don’t meet 100% of the qualifications for the role. We believe in the value of diverse perspectives and experiences and are committed to building an inclusive workplace for all.

Accessibility Support

We are dedicated to ensuring our application process is accessible to all candidates. If you are a qualified individual with a disability or a disabled veteran and require a reasonable accommodation with any part of the application and/or interview process, please email TalentAcquisition@zelis.com .

Disclaimer

The above statements are intended to describe the general nature and level of work being performed by people assigned to this classification. They are not to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified. All personnel may be required to perform duties outside of their normal responsibilities, duties, and skills from time to time.