Site Reliability Engineer

Amtex Systems Inc; Ashburn (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Amtex Systems Inc in Ashburn, VA is seeking a senior SRE/DevOps engineer to maintain reliability and performance of production systems across Linux servers and containerized apps.

You will lead incident investigations, optimize Docker deployments, monitor with New Relic, and contribute to Terraform automation and hybrid cloud operations.

The role requires strong troubleshooting, JVM knowledge, SQL tuning, and scripting with Bash or Python.

Qualifications

• 5+ years in SRE, DevOps, or production infra.
• Strong Linux administration and troubleshooting.
• Production experience with Docker-based apps.
• PostgreSQL and SQL troubleshooting.
• Experience with Java apps and JVM basics.
• Terraform experience.
• Experience with New Relic or similar monitoring.
• Bash or Python scripting.
• Experience with AI-assisted coding/tools for automation.
• Networking: TCP/IP, DNS, HTTP/HTTPS.
• Experience leading production incidents and root-cause fixes.

Responsibilities

• Maintain reliability, availability, and performance across Linux servers and application infrastructure.
• Lead complex production incident investigations and troubleshooting across Linux, Docker, PostgreSQL, networking, and Java/Spring Boot apps.
• Support Docker-based deployments, including container config, service networking, and optimization.
• Use logs, metrics, traces, and JVM diagnostics to identify performance issues.
• Implement monitoring with New Relic or comparable platforms.
• Lead root cause analysis and drive permanent corrective actions.
• Develop Terraform infrastructure code and automation scripts.
• Use AI coding agents for scripting and automation.
• Troubleshoot PostgreSQL issues involving queries, connections, locks, and performance.
• Support hybrid on-premises/AWS infrastructure and rollback procedures.
• Contribute to capacity planning, DR, runbooks, and operation docs.

Skills

SRE/DevOps experience

Linux administration

Incident response

Troubleshooting

Communication

Tools

Docker

PostgreSQL

Java/Spring Boot

Terraform

New Relic

Bash

Python

AI coding tools

Networking basics

JVM fundamentals

Job description

The environment includes Docker/Docker Swarm, PostgreSQL, and Java/Spring Boot applications.

Key Responsibilities

• Maintain and improve production system reliability, availability, and performance across Linux servers and application infrastructure.
• Lead complex production incident investigations, troubleshooting issues across Linux, Docker, PostgreSQL, networking, and Java/Spring Boot applications.
• Support Docker-based deployments, including container configuration, service networking, resource utilization, and operational troubleshooting.
• Use logs, metrics, distributed traces, and JVM diagnostics to identify application and infrastructure performance issues.
• Implement and maintain monitoring, dashboards, and alerts using New Relic or comparable observability platforms.
• Lead root cause analysis and drive permanent corrective actions to reduce recurring incidents and improve system reliability.
• Develop and maintain Terraform infrastructure code, automation scripts, and operational tools using Bash, Python, or similar languages.
• Use AI coding agents such as Claude Code, OpenAI Codex, or equivalent tools for scripting, troubleshooting, code analysis, and infrastructure automation.
• Troubleshoot PostgreSQL issues involving queries, connection pools, database connectivity, locking, and performance.
• Support hybrid on-premises/AWS infrastructure, deployment processes, configuration management, and rollback procedures.
• Contribute to capacity planning, disaster recovery, system resilience, runbooks, and operational documentation.

Required Qualifications

• 5+ years of experience in SRE, DevOps, Linux systems engineering, or production infrastructure operations.
• Strong hands-on Linux administration and production troubleshooting experience.
• Production experience supporting Docker-based applications.
• Working knowledge of PostgreSQL and SQL troubleshooting.
• Experience troubleshooting Java applications and understanding JVM fundamentals.
• Hands-on Terraform experience.
• Experience with New Relic or a comparable monitoring/APM platform.
• Proficiency with Bash, Python, or similar scripting languages.
• Practical experience using AI-assisted coding or engineering tools for automation, troubleshooting, or infrastructure work.
• Strong understanding of TCP/IP, DNS, HTTP/HTTPS, and network troubleshooting.
• Experience leading production incident investigations and implementing root-cause fixes.