VPN Engineer
Gurugram, India
- Posted 4w ago
- From Graviton Trading’s careers page
- Location
- Gurugram, India
- Experience
- 3+ years
- Department
- Information Technology
Opens the listing on job-boards.greenhouse.io
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About the role
Responsibilities
- Manage and support corporate network infrastructure across multiple locations, including routers, firewalls, switches, wireless access points, VPN gateways, Internet links, and LAN/WAN connectivity.
- Configure and troubleshoot VPN technologies such as IPsec, SSL VPN, site-to-site VPN, remote-access VPN, WireGuard, OpenVPN, and FortiClient/FortiGate VPN, including issues related to authentication, tunnels, routing, DNS, packet loss, performance, split tunnelling, and firewall policies.
- Manage secure connectivity between offices, data centres, cloud environments, and remote users.
- Configure and maintain office LAN infrastructure, including VLANs, trunk/access ports, inter-VLAN routing, DHCP, DNS, NAT, ACLs, static routing, BGP, and OSPF where required.
- Manage multiple ISP connections, including primary and backup Internet links, automatic failover, and monitoring of utilization, latency, jitter, packet loss, and link availability.
- Coordinate with ISPs and telecom providers for new circuits, link failures, bandwidth upgrades, routing issues, packet-loss investigations, and service escalations.
- Manage firewall policies, NAT rules, VPN policies, network objects, and routing, while regularly reviewing and removing unnecessary access.
- Implement network segmentation across user, server, management, guest, and other business networks, while maintaining secure administrative access to network equipment.
- Support MFA and secure authentication for remote VPN users and investigate suspicious network activity and connectivity issues.
- Work with security teams on vulnerability remediation, firewall reviews, and network audits.
- Manage wired and wireless office connectivity, including VLANs, access points, SSIDs, authentication, and guest Wi-Fi.
- Support network connectivity for new office expansions and relocations, including coordination of cabling, patch panels, switch ports, ISP connections, and network equipment installations.
- Maintain accurate documentation for network diagrams, IP addresses, VLANs, VPN tunnels, firewall rules, ISP circuits, device inventory, switch-port mappings, and Wi-Fi infrastructure.
- Maintain SOPs for common networking tasks and incident recovery, and follow established change-management processes for production changes.
- Prepare implementation and rollback plans for major network changes and maintain configuration backups for routers, switches, firewalls, and VPN gateways.
- Basic experience with network automation is preferred, including Python, Bash/Shell scripting, Ansible, REST APIs, and other network automation tools.
- Automate repetitive tasks such as network checks, configuration backups, VPN monitoring, IP validation, and device health checks where possible.
Qualifications
The ideal candidate will have 3+ years of experience with:
- Automate repetitive tasks such as network checks, configuration backups, VPN monitoring, IP validation, and device health checks where possible.
- Strong understanding of TCP/IP, routing and switching, VLANs, NAT, DHCP, DNS, and Internet routing.
- Hands-on knowledge of VPN technologies, including IPsec and SSL VPN, as well as firewalls, access-control policies, and network troubleshooting.
- Good understanding of BGP, OSPF, and VRFs, along with their application in enterprise network environments.
- Knowledge of high availability, load balancing, network security, Wi-Fi, and Linux networking.
- Experience with network automation and technologies such as Python, Bash/Shell scripting, Ansible, REST APIs, and network automation tools is preferred.
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
- International team outing
Skills they ask for
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About Graviton Trading
Technology-driven high-frequency tradingGraviton Trading is a high-frequency trading firm that uses in-house research, execution strategies, and low-latency trading platforms across global financial markets.
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In your inbox every Wednesday and SaturdayPersonalised suggestions from verified career pages, matched to your role, location, level and skills.