Lead Unix Linux System Administrator

The Trading Infrastructure Support Engineer will join a highly skilled team dedicated to maintaining the high availability and stability of company mission‑critical systems, including Infrastructure as a Service (IaaS), Build & Deploy platforms, as well as Research and Trading environments. This role involves providing L1/L2 support for globally distributed services across APAC, EMEA, and AMER regions.

Key responsibilities include:

• Monitoring all services and delivering responsive L1/L2 support to ensure maximum uptime.
• Rapidly identifying, assessing, and resolving alerts or issues—or escalating when necessary—to prevent outages and reduce trade flow disruptions.
• Engaging extensively with traders, external vendors, development teams, and infrastructure teams.
• Overseeing automated workflows, scheduled tasks, and recurring reports.
• Managing user requests from intake through closure, including approvals, updates, and documentation.
• Spotting inefficiencies such as recurring manual tasks or suboptimal processes and driving continuous improvements through automation and collaboration.

Required Qualifications (Rephrased)

• Minimum of 3-5 years of hands‑on support experience.
• Strong Linux/Unix administration skills (preferably RHEL, CentOS, or OEL).
• Proficiency in Python and Bash scripting.
• Solid knowledge of storage technologies and protocols (NFS; GPFS is a plus).
• Experience with infrastructure automation tools (e.g., Chef, Puppet, Ansible).
• Familiarity with Kafka or similar messaging platforms.
• Experience working with CI/CD pipelines and tools.
• Background in monitoring infrastructure (ELK Stack and Prometheus preferred).
• Database administration experience (MySQL or PostgreSQL preferred).
• Experience managing containerized environments (Docker, Podman, Kubernetes, GKE, or Helm preferred).
• Strong understanding of networking fundamentals, including TCP/IP, multicast, tcpdump, and time synchronization protocols (PTP, NTP).

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