Role: Network Engineer
Location: Gurgaon
Graviton is a privately funded quantitative trading firm striving for excellence in financial markets' research. We are seeking a Network Engineer for our team in Gurgaon. Graviton trades across a multitude of asset classes and trading venues using a gamut of concepts and techniques ranging from time series analysis, filtering, classification, stochastic models, pattern recognition to statistical inference analysing terabytes of data to come up with ideas to identify pricing anomalies in financial markets.
Key Responsibilities- Design, deploy, operate, and troubleshoot low-latency network infrastructure used by trading firms.
- Manage connectivity to global stock exchanges, brokers, market-data providers, and ISPs.
- Build and maintain colocation infrastructure including routers, switches, Layer-1 devices (added advantage), structured cabling and cross connects.
- Configure and support Cisco Nexus, Arista and similar platform devices.
- Design and troubleshoot Layer 2 and Layer 3 networks including: VLANs, VRFs, BGP, OSPF, Static routing, PIM, IGMP, Multicast, SSM, ACLs and QoS.
- Troubleshoot packet loss, multicast issues, duplicate packets, IGMP/PIM and multicast/BGP routing.
- Monitor and optimize latency, jitter, packet loss, interface errors, congestion, and network performance.
- 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.
- Configure and troubleshoot PTP and clock synchronization infrastructure.
- Perform server and network equipment installation in exchange and third-party data centres.
- Manage rack layout, patching, cable optimization, optics, DACs, cross-connects, and inventory.
- Coordinate network changes with exchanges, telecom providers, brokers, vendors, and data-centre teams.
- Plan and execute production changes during approved maintenance windows.
- Perform pre-change validation, change implementation, post-change testing, rollback planning, and documentation.
- Maintain network diagrams, IP-address inventory, rack documentation, port mappings, circuit information, and SOPs.
- Automate repetitive operational and validation tasks using Python, Bash, Ansible, or similar tools.
- Perform root-cause analysis for network incidents and implement permanent corrective actions.
- Maintain high availability and redundancy for critical trading infrastructure.
The ideal candidate will have 3+ years of experience with
- Strong hands-on knowledge of TCP/IP networking, Ethernet, ARP, VLAN, STP, LACP, VRF
- Knowledge of routing protocols including static routing, BGP and OSPF.
- Experience with multicast configuration IGMPv2/IGMPv3, PIM-SM
- Knowledge of QoS, ACLs, NAT
- Knowledge of network design, network operation or network automation and Network troubleshooting
- Good understanding of TCP and UDP behaviour, Market-data multicast, Exchange connectivity, Low-latency network architecture
- Understanding of Optical networking, SFP/SFP+/QSFP optics, Single-mode and multimode fibre
- Knowledge of datacenter installation and cabling standards, DAC/AOC cabling, PTP
Benefits:
Our open and casual work culture gives you the space to innovate and deliver. Our cubicle free offices , disdain for bureaucracy and insistence to hire the very best creates a melting pot for great ideas and technology innovations. Everyone on the team is approachable, there is nothing better than working with friends!
Our perks have you covered.
- Competitive compensation
- 6 Weeks of paid vacation
- Regular after work parties
- Top of the line health insurance for family
Skills Required
- 3+ years of experience in network engineering, network design, network operations, or network automation
- Strong hands-on knowledge of TCP/IP networking, Ethernet, ARP, VLAN, STP, LACP, and VRF
- Knowledge of static routing, BGP, and OSPF
- Experience configuring IGMPv2, IGMPv3, and PIM-SM multicast
- Knowledge of QoS, ACLs, and NAT
- Network troubleshooting knowledge
- Understanding of TCP and UDP behavior, market-data multicast, exchange connectivity, and low-latency network architecture
- Understanding of optical networking, SFP/SFP+/QSFP optics, and single-mode and multimode fiber
- Knowledge of data-center installation and cabling standards, DAC/AOC cabling, and PTP
- Experience with Layer-1 devices
What We Do
Graviton is a quantitative investment firm established in 2014. Since our inception, we have created a team of researchers, portfolio managers, and technologists. The use of quantitative analysis and insights in financial markets enables us to compete in some of the most complex and competitive products. As an emerging electronic trading firm, we integrate disciplines such as computer science, finance, systems engineering, and statistics. We have a team of passionate engineers and traders who have built some of the fastest systems for trading. Graviton has some of the most accomplished quantitative traders in India. We have separate trading teams who use a wide range of trading strategies across different asset classes. Each of our trading teams maintains a focus on their individual processes while being supported from the core support team. Our trading teams have strategic autonomy but have access to resources which are shared across the organization like software, technology, and connectivity. They also exchange market data and memberships, compliance and all related support functions which are needed to handle the business process with precision.
