Senior SRE: Automation, AWS & Observability Leader

Zelis; Morristown (NJ); Hybrid; USD 112,000 - 154,000; Full time

Benefits offered by this job

401k with employer match

Health benefits including medical, eye

Dental coverage

Paid time off

Job summary

Zelis in Morristown, NJ is seeking a Senior/Lead Site Reliability Engineer to advance reliability, automation, and observability across our AWS-based platforms. You will lead SRE initiatives, shape reliable systems, and partner with engineering teams to improve performance and resilience.

You will design and implement SRE practices, own incident response, capacity planning, and automation efforts, while mentoring peers and driving operational excellence across the organization.

Qualifications

• 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 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, and complex production environments.
• Strong understanding of Windows Server environments, application hosting, and enterprise infrastructure.
• Experience implementing monitoring, alerting, logging, and automated remediation solutions.

Responsibilities

• Champion Site Reliability Engineering principles and best practices across Zelis technology organization.
• Establish and improve SLIs, SLOs, and reliability measurements.
• Identify systemic reliability risks and develop engineering solutions to eliminate recurring issues.
• Reduce manual 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.
• Design, develop, and maintain 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 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.
• Serve as a technical SME in New Relic and Splunk, driving observability adoption.
• Design and improve application performance monitoring, infrastructure monitoring, distributed tracing, logging, and alerting.
• Develop dashboards, alerts, and service health indicators for actionable insights.
• Analyze telemetry to identify bottlenecks and reliability concerns.
• Improve proactive detection while reducing alert fatigue and noise.
• Support enterprise observability standardization and operational readiness.
• Optimize observability configurations and telemetry consumption for balance of visibility and cost.
• Support and improve production workloads operating within AWS.
• Partner with cloud engineering teams to improve infrastructure design, monitoring, and resilience.
• Identify opportunities to optimize AWS resource utilization, performance, and costs.
• Promote IaC, automated deployments, and repeatable infrastructure management.
• Provide advanced technical leadership during incidents and complex service disruptions.
• Perform deep troubleshooting across applications, infrastructure, cloud services, and integrations.
• Lead root cause analyses and post-incident reviews.
• Translate findings into actionable engineering improvements to prevent recurrence.
• Develop and maintain runbooks, troubleshooting docs, and automated remediation procedures.
• Participate in production support and on-call responsibilities.

Skills

PowerShell

NET/C#

New Relic

Splunk

AWS

SRE concepts

CI/CD

Tools

Terraform

CloudFormation

Ansible

Docker

Kubernetes

Azure DevOps

GitHub Actions

Job description

Zelis in Morristown, NJ is seeking a Senior/Lead Site Reliability Engineer to advance reliability, automation, and observability across our AWS-based platforms. You will lead SRE initiatives, shape reliable systems, and partner with engineering teams to improve performance and resilience.

You will design and implement SRE practices, own incident response, capacity planning, and automation efforts, while mentoring peers and driving operational excellence across the organization.