Network Engineer

Linux System Administrator (Entry Level) - HFT & Low-Latency Systems

About the Company

Zanskar Research Pvt. Ltd. is a fast-growing, technology-driven firm focused on High-Frequency Trading (HFT) and high-performance computing. We specialize in building ultra-low latency trading systems and advanced infrastructure to gain a competitive edge in global financial markets.

Job Summary

We're looking for an entry-level Linux System Administrator with strong foundational knowledge of Linux internals, the kernel, and system administration basics. This is a great opportunity to build a career in HFT infrastructure, working alongside senior engineers on mission-critical, low-latency trading environments where performance is measured in microseconds. You'll start by supporting core Linux operations and gradually gain exposure to performance tuning, networking, and trading infrastructure.

Key Responsibilities

• Assist in deploying, configuring, and maintaining Linux servers (Ubuntu, Red Hat, and other distributions)
• Support day-to-day monitoring, troubleshooting, and health checks of Linux systems
• Learn and assist with system tuning basics (CPU affinity, kernel parameters, boot configuration) under senior guidance
• Help maintain uptime and reliability of infrastructure through proactive monitoring
• Write and maintain basic automation scripts (Bash, Python) for routine tasks
• Apply OS patches, security updates, and system upgrades
• Support monitoring tool setup and maintenance (Prometheus, Grafana)
• Assist with basic storage administration and data management tasks
• Document processes, configurations, and troubleshooting steps
• Collaborate with senior sysadmins, developers, and quants to understand infrastructure needs

Exposure Areas (Learning & Growth)

• Introduction to HFT architecture and low-latency workflows
• Basic exposure to data centre networking concepts (L2/L3, VLANs)
• Learning ultra-low latency networking fundamentals (10/25/40/100GbE)
• Shadowing senior engineers on network stack tuning (TCP/UDP, multicast)
• Gradual exposure to exchange connectivity and colocation concepts

Required Skills

• Solid understanding of Linux fundamentals (Ubuntu, Red Hat, CentOS)
• Good grasp of Linux internals - processes, memory management, file systems, boot process
• Basic understanding of the Linux kernel and how OS-level tuning affects performance
• Working knowledge of networking fundamentals (TCP/IP, UDP)
• Basic Bash and/or Python scripting ability
• Willingness to learn NVMe storage, NIC hardware, and performance-tuning concepts
• Eagerness to work in a fast-paced, precision-driven environment.

Nice to Have

• Coursework or personal projects involving Linux kernel, performance tuning, or networking
• Familiarity with monitoring tools (Prometheus, Grafana)
• Exposure to virtualization or containerization (KVM, Docker)
• Interest in financial markets or trading systems

Qualifications

• BE/B.Tech in IT, Computer Science, or related field (freshers welcome)
• Linux certification (RHCSA, LPIC-1) is a plus but not mandatory
• 0–1 years of experience; internship or academic project experience with Linux is valued

Why Join Zanskar Research Pvt. Ltd.

• Kickstart your career in HFT and low-latency systems
• Mentorship from experienced infrastructure engineers
• Exposure to HPC, advanced networking, and cutting-edge hardware
• Clear growth path toward specialized low-latency systems roles
• Competitive compensation for entry-level talent