Responsibilities: Candidates who have less than 3 years of experience should possess: Good knowledge of UNIX/Linux command line. Good understanding of the usage of TCP/IP and UDP networking in applications. Basic understanding of network routing and troubleshooting. Basic experience in writing SQL database queries. Basic experience in Bash, Python or other scripting language. Candidates with 3+ years of experiences should possess: First line support and root cause problem diagnosis within a real-time, distributed environment. Large-scale application and infrastructure capacity planning and deployment. Organizing application migrations and infrastructure upgrades. Behavioral Requirements: Clear ability to collaborate with multiple colleagues and lead brainstorming and other live troubleshooting sessions. Good verbal communication skills with a self-driven, inquisitive attitude to problem-solving. Clear ability to manage multiple priorities and deadlines. Genuine curiosity in technology and staying abreast of current technology trends. Skills and Preferred Qualifications: Trading desk support experience and knowledge of trading systems and applications. Intermediate-level Python development experience. Understanding of operating system performance tuning.