Senior Middleware Engineer

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Job Summary

We are looking for a Senior Middleware Engineer to administer and operate production Enterprise Linux infrastructure and the middleware services that support critical business applications. You’ll ensure the platform is highly available, secure, performant, and observable, and you’ll provide end-to-end L3 troubleshooting across OS, networking, and middleware layers while partnering with development teams to improve reliability and delivery quality.

Your primary focus will be keeping existing middleware systems stable, secure, and up to date, while contributing to design improvements and modernization initiatives as the platform evolves.

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What You Will Do

• Administer and operate production Linux infrastructure ensuring high availability, security, and performance

• Deploy and operate middleware and integration components for distributed and microservices architectures.

• Design and maintain traffic routing and service exposure layers (HAProxy, Nginx)

• Operate and maintain messaging platforms (RabbitMQ, Kafka)

• Automate infrastructure and middleware configuration using Ansible

• Provide L3 support for international customers, performing end-to-end troubleshooting across OS, networking, and middleware layers

• Lead and contribute to critical production incident resolution and post-incident improvements (RCA, action items, runbooks)

• Work closely with development teams to improve platform reliability, scalability, and delivery quality

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Required Skills & Experience

• Strong, proven experience with Enterprise Linux distributions (e.g., RHEL, Rocky Linux, AlmaLinux, CentOS, Oracle Linux). Experience with any of these is acceptable due to their compatibility.

• Networking fundamentals for troubleshooting (TCP/IP basics, HTTPS, connectivity, firewalls, routing concepts, DNS, ports).

• Automation: practical knowledge of Ansible to automate system and middleware deployments and configurations.

• Linux scripting: proficiency in Bash and common Unix tools (sed, awk, grep, etc.).

• Reverse proxy / load balancing concepts with hands-on experience in Nginx and/or HAProxy.

• Experience operating messaging platforms such as RabbitMQ and/or Kafka in production is strongly preferred.

• Red Hat certifications are a plus (RHCSA may be too basic; RHCE is preferred, even if expired).