Junior Site Reliability Engineer

Radley James; New York (NY); On-site; USD 85,000 - 125,000; Full time

Job summary

Radley James is seeking a Junior Site Reliability Engineer to join a production engineering team supporting Linux-based systems in a high-automation, low-latency environment.

You will partner with software, infra, and trading teams to maintain reliability, performance, and scalability while improving automation and observability across critical services.

Qualifications

• 1–4 years of SRE/production engineering or Linux systems experience.
• Strong Linux troubleshooting, networking, and performance analysis.
• Scripting with Python and automation experience.
• Experience with monitoring/observability tools and incident response.

Responsibilities

• Monitor, troubleshoot, and support large-scale Linux production environments.
• Automate operational processes with Python and scripting tools.
• Investigate infrastructure, application, and service incidents.
• Participate in on-call rotations and production support.
• Build and maintain monitoring, alerting, and observability solutions.
• Support deployments, upgrades, and infrastructure improvements.
• Work with engineers to improve reliability and operational efficiency.
• Identify opportunities to reduce manual processes through automation.

Skills

Linux fundamentals

Python scripting

TCP/IP networking

On-call / incident response

Automation

Troubleshooting

Monitoring / observability

Cloud/containers/Kubernetes (benefits)

Education

Bachelor's degree in Computer Science, Engineering, Mathematics, Physics, or related field

Tools

Monitoring tools

Observability platforms

Job description

A leading quantitative trading and market-making firm is seeking a Junior Site Reliability Engineer (SRE) to join its production engineering team. This is an opportunity to work in a highly automated, low-latency environment responsible for keeping critical trading infrastructure running with exceptional reliability, performance, and scalability.

The successful candidate will partner closely with Software Engineers, Infrastructure Engineers, and Trading teams to support Linux-based production systems, improve automation, and help ensure the stability of business-critical services.

Responsibilities

• Monitor, troubleshoot, and support large-scale Linux production environments.
• Automate operational processes using Python and scripting tools.
• Investigate infrastructure, application, and service-related incidents.
• Participate in on-call rotations and assist with production support.
• Build and maintain monitoring, alerting, and observability solutions.
• Support deployments, system upgrades, and infrastructure improvements.
• Work alongside engineers to improve reliability, availability, and operational efficiency.
• Identify opportunities to reduce manual processes through automation.

Requirements

• 1-4 years' experience in Site Reliability Engineering, Production Engineering, Systems Engineering, Infrastructure Engineering, or Linux Systems Administration.
• Strong Linux fundamentals, including troubleshooting, networking, processes, filesystems, and performance analysis.
• Strong Python scripting and automation skills.
• Experience working with monitoring and observability tools.
• Good understanding of TCP/IP networking principles.
• Familiarity with cloud technologies, containers, or Kubernetes is beneficial.
• Strong troubleshooting and problem-solving ability.
• Comfortable working in a fast-paced, mission-critical environment.

Preferred Background

• Experience supporting production trading, financial services, fintech, or high-performance technology environments.
• Exposure to automation, infrastructure-as-code, CI/CD, or distributed systems.
• Computer Science, Engineering, Mathematics, Physics, or related technical degree.