Sr Software Engineer - Reliability Engineering

Cox; Village of North Hills (NY); On-site; USD 121,800 - 203,000; Full time

Benefits offered by this job

Paid vacation

7 holidays per year

Up to 160 hours wellness time

Bereavement leave

Time off to vote

Jury duty leave

Volunteer time off

Military leave

Parental leave

Job summary

Cox is seeking a Sr. Software Engineer - Reliability Engineer in the United States. You will design and build resilient infrastructure, observability tooling, and operational systems to ensure high availability for millions of dealership transactions daily.

You will own projects end-to-end, split time between infrastructure-as-code, incident response, and mentoring. Expect to advance SRE practices, ship quality systems, and balance cost, performance, and reliability.

Qualifications

• 5+ years of software engineering, platform, or infrastructure experience.
• Strong coding in Python, Go, Java, or equivalents; write clean, testable code.
• AWS hands-on: EC2, RDS, DynamoDB, S3, Aurora, Lambda, VPCs, Athena.
• Terraform or equivalent infra-as-code experience.
• Docker and container orchestration (Kubernetes or similar).
• Debugging on Linux and Windows; troubleshoot complex systems via logs/metrics.
• System design thinking for scalable architectures and trade-offs.
• Availability for rotational on-call outside standard hours.
• Bachelor's degree in related discipline; 4 years' experience (or alternatives)

Responsibilities

• Design and implement resilience initiatives with redundancy, failover, and DR.
• Own IaC and manage 50+ AWS accounts with infrastructure patterns.
• Maintain system health to minimize downtime and ensure UX reliability.
• Evolve SRE standards and practices across the team.
• Build observability into systems: logging, metrics, tracing, alerts.
• Design dashboards and alerts; improve monitoring frameworks.
• Lead cost optimization through architectural improvements and resource use.
• Develop production systems, APIs, internal tools, and automation.
• Participate in on-call rotations; debug and resolve incidents.
• Conduct postmortems and drive systemic improvements.
• Develop operational runbooks and procedures.

Skills

Python

Go

Java

System design thinking

On-call experience

Education

Bachelor's degree in related discipline

Master's degree (optional)

Tools

Terraform

Docker

Kubernetes

AWS

New Relic

Prometheus

Splunk

Job description

We're hiring a Sr. Software Engineer - Reliability Engineer who can code across the stack and cares deeply about reliability. You'll design and build infrastructure, observability tooling, and operational systems-treating resilience and debuggability as first-class concerns. You'll own projects end-to-end: from architecture code deployment production. You'll split time between infrastructure-as-code, incident response, system improvements, and mentoring. You'll work on a team that ships quality systems while maintaining operational excellence across a platform serving millions of dealership transactions daily.

What You'll Do:

SRE Best Practices & System Health Management

• Design and implement resilience initiatives: redundancy, failover, disaster recovery, data protection.
• Write infrastructure-as-code (Terraform); manage 50+ AWS accounts with infrastructure patterns.
• Own system health: proactively maintain application performance, minimize downtime, ensure consistent user experience.
• Evolve team's SRE standards and practices.

Application Monitoring & Observability

• Build observability into systems: logging, metrics, distributed tracing, alert design.
• Improve monitoring frameworks; enable faster incident detection and resolution.
• Design dashboards and alerts that help teams understand system behavior.
• Partner with application teams on service instrumentation.

AWS Cost Optimization

• Drive significant reductions in cloud spend through architectural improvements and resource utilization.
• Review infrastructure for efficiency; identify and eliminate waste.
• Balance cost, performance, and reliability in design decisions.

Software Development & Architecture

• Build production systems, APIs, internal tools, and automation with clean, well-tested code.
• Design for maintainability, operational simplicity, and reliability.
• Participate in code review and technical design discussions.
• Mentor junior engineers on code quality and architectural thinking.

Operations & Incident Response

• Participate in on-call rotations; debug and resolve production incidents.
• Conduct postmortem analysis; drive systemic improvements.
• Develop operational procedures and runbooks.

Qualifications:

• 5+ years software engineering, platform engineering, or infrastructure engineering experience.
• Strong coding in Python, Go, Java, or equivalent; writes clean, testable code.
• AWS hands-on: EC2, RDS, DynamoDB, S3, Aurora, Lambda, VPCs, Athena.
• Terraform or equivalent infrastructure-as-code experience.
• Docker and container orchestration (Kubernetes or similar).
• Debugging on Linux and Windows platforms; able to troubleshoot complex systems using logs, metrics, and architectural knowledge.
• System design thinking: can architect scalable systems and reason about trade-offs.
• Availability for rotational on-call duties outside of standard business hours may be required.
• Bachelor's degree in a related discipline and 4 years' experience in a related field. The right candidate could also have a different combination, such as a master's degree and 2 years' experience; a Ph.D. and up to 1 year of experience; or 16 years' experience in a related field.

Highly Valued:

• Experience with observability tools (New Relic, Splunk, Prometheus).
• Incident response experience; familiar with postmortem practices.
• Interest in or hands-on experience with SRE concepts (SLOs, resilience, failure modes).
• Cost optimization mindset; has identified and eliminated cloud waste.
• Windows and Linux system troubleshooting and performance analysis.
• Experience with CI/CD pipelines and deployment automation.

USD 121,800.00 - 203,000.00 per year

Compensation includes a base salary in the range of $121,800.00 - $203,000.00. The base salary may vary within the anticipated base pay range based on factors such as the ultimate location of the position and the selected candidate's knowledge, skills, and abilities. Position may be eligible for additional compensation that may include an incentive program.

The Company offers eligible employees the flexibility to take as much vacation with pay as they deem consistent with their duties, the company's needs, and its obligations; seven paid holidays throughout the calendar year; and up to 160 hours of paid wellness annually for their own wellness or that of family members. Employees are also eligible for additional paid time off in the form of bereavement leave, time off to vote, jury duty leave, volunteer time off, military leave, and parental leave.

EOE, including disability/vets