Linux Admin/Application Support

Linux Systems Admin/Application Support Engineer

Salary: $85k-$120k + bonus

Location: Woodridge, IL

Hybrid: 4 days onsite, 1 day remote

*We are unable to provide sponsorship for this role*

Qualifications

·        1-3 years of professional experience in DevOps, Systems Administration, Infrastructure Engineering, SRE, or Trade Support

·        Strong administration and troubleshooting skills

·        Strong application troubleshooting support

·        Experience supporting Linux Server environments

·        Some knowledge of Windows servers/desktop

·        Scripting experience with Python, Bash, PowerShell, or similar languages

·        Understanding of TCP/IP networking

·        Ability to troubleshoot complex production issues across infrastructure and applications

·        Comfortable working in high-pressure production environments

·        Strong communication and organizational skills

·        Database SQL experience

Bonus Points

·        Experience supporting low-latency or high-performance trading systems

·        Familiarity with Git, CI/CD tools

·        Experience with observability, monitoring, and alerting systems

·        Exposure to co-location or on-premise data center environments

·        Familiarity with JSON, XML, or Parquet data formats

·        Experience analyzing packet captures and order event streams

·        Knowledge of multicast networking and market data infrastructure

Responsibilities

·        Monitor and support trading infrastructure across multiple exchanges and markets

·        Maintain and troubleshoot Linux and Windows server environments

·        Develop and maintain automation tools using Python, Bash, PowerShell, or similar languages

·        Build monitoring systems, dashboards, and alerting infrastructure

·        Diagnose and resolve networking, application, and operating system issues in production environments

·        Analyze logs and packet captures to troubleshoot trading and connectivity issues

·        Collaborate with developers and traders to support new trading initiatives and infrastructure requirements

·        Implement infrastructure-as-code and automation best practices