Job Description

About Graviton: Graviton Research Capital is one of the largest quantitative trading firms emerging out of APAC, with a strong footprint across 40+ global exchanges and a rapidly growing presence across Europe and the USA. We're privately funded, long-term focused, and deeply invested in building high-performance teams that operate at scale in some of the most competitive markets globally.

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Key Responsibilities

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- Design, deploy, operate, and troubleshoot low-latency network infrastructure used by trading firms.

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- Manage connectivity to global stock exchanges, brokers, market-data providers, and ISPs.

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- Build and maintain colocation infrastructure including routers, switches, Layer-1 devices (added advantage), structured cabling and cross connects.

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- Configure and support Cisco Nexus, Arista and similar platform devices.

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- Design and troubleshoot Layer 2 and Layer 3 networks including: VLANs, VRFs, BGP, OSPF, Static routing, PIM, IGMP, Multicast, SSM, ACLs and QoS.

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- Troubleshoot packet loss, multicast issues, duplicate packets, IGMP/PIM and multicast/BGP routing.

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- Monitor and optimize latency, jitter, packet loss, interface errors, congestion, and network performance.

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- Work with ultra-low-latency technologies including: Cut-through switching, Layer-1 switches, FPGA-based network devices, Kernel-bypass networking, ExaNIC/Solarflare NICs, Hardware timestamping.

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- Configure and troubleshoot PTP and clock synchronization infrastructure.

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- Perform server and network equipment installation in exchange and third-party data centres.

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- Manage rack layout, patching, cable optimization, optics, DACs, cross-connects, and inventory.

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- Coordinate network changes with exchanges,



telecom providers, brokers, vendors, and data-centre teams.

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- Plan and execute production changes during approved maintenance windows.

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- Perform pre-change validation, change implementation, post-change testing, rollback planning, and documentation.

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- Maintain network diagrams, IP-address inventory, rack documentation, port mappings, circuit information, and SOPs.

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- Automate repetitive operational and validation tasks using Python, Bash, Ansible, or similar tools.

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- Perform root-cause analysis for network incidents and implement permanent corrective actions.

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- Maintain high availability and redundancy for critical trading infrastructure.

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Qualifications

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The ideal candidate will have 3+ years of experience with

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- Strong hands-on knowledge of TCP/IP networking, Ethernet, ARP, VLAN, STP, LACP, VRF

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- Knowledge of routing protocols including static routing, BGP and OSPF.

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- Experience with multicast configuration IGMPv2/IGMPv3, PIM-SM

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- Knowledge of QoS, ACLs, NAT

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- Knowledge of network design, network operation or network automation and Network troubleshooting

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- Good understanding of TCP and UDP behaviour, Market-data multicast, Exchange connectivity, Low-latency network architecture

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- Understanding of Optical networking, SFP/SFP+/QSFP optics, Single-mode and multimode fibre

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- Knowledge of datacenter installation and cabling standards, DAC/AOC cabling, PTP

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Why Join Graviton?

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- Work in a high-performance, data-driven trading and engineering environment.

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- Collaborate with some of the brightest minds in quantitative finance and technology.

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- Competitive compensation, advantages and opportunities for professional growth.

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📌 Network Engineer (Gurugram)
🏢 Graviton Research Capital
📍 Gurugram