Infrastructure Engineer

Career Description

Simplex is looking for smart, curious, and driven individuals to join our technology team. Technology at Simplex is the core of the business. We are a leading technology-driven proprietary market-making firm. You will be someone excited by challenges and proactive in problem-solving.

What will you be doing?

• Develop and maintain monitoring and deployment systems (Systems and Network)
• Triage and respond to issues
• Prepare and execute changes to the Linux environment
• Maintain and deploy servers and workstations
• Projects will be completed both independently and as a part of a team, when necessary
• This is an in-office position, with occasional onsite work at several colocation facilities in Chicago, Aurora, and New Jersey
• Infrequent evening/weekend work to allow for change execution outside of trading hours
• Other opportunities as assigned

Skills and Experience:

• 3+ years of experience as a System Administrator, Linux Administrator, or similar
• Thorough understanding of Linux (kernel, modules, filesystems) with special emphasis on the network stack, especially multicast, and OpenOnload
• Experience working with Linux and standard tools (bash, grep, sed, awk) and scripting languages (Python, Perl, bash)
• Understanding of Linux concepts (kernel, modules, memory allocation, filesystems)
• Familiarity with common server technologies(IPMI, SNMP), or software (Nagios, Ansible, dnf/rpm, git)
• Experience troubleshooting complex performance issues
• Ability to lift and move heavy equipment (40-50 lb regularly)