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Roshan

Roshan

Senior Manager-IT |Senior Network Security Engineer | Firewall & Infrastructure Specialist

Talent
DelhiMember since April 15, 2026
Network Security & Firewall AdministrationFortigate FirewallGajShield FirewallVPN Configuration & Remote ConnectivitySD-WAN & Network Load BalancingLAN / WAN Infrastructure ManagementHFT (High Frequency Trading) Network InfrastructureNetwork Monitoring & TroubleshootingWindows Server AdministrationLinux Server AdministrationVirtual Box, VMware ESXiCybersecurity Monitoring & Threat DetectionTCP/IPVLANACLCisco Routers & SwitchesIP Addressing & SubnettingEthernet Networking (802.3)VPN Setup & RedundancyNetwork Security PoliciesLoad BalancingWindows Server 2000Windows Server 2003Windows Server 2008Windows Server 2012Windows Server 2019RedHatUbuntuCentOSWiresharkNessusTcpdumpNmapPRTGCactiITSM360Monitoring AutomationOmnesysGreek SoftuTradeQuantXConvexC#VBPythonSQLMS-AccessFoxPro
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Network Security & Firewall AdministrationFortigate FirewallGajShield FirewallVPN Configuration & Remote ConnectivitySD-WAN & Network Load Balancing

About

Senior IT and Network Security professional with 18+ years of experience in network infrastructure, cybersecurity, firewall management, and financial trading network environments. Expertise in Fortigate Firewall, VPN, SD-WAN, network monitoring, and low-latency trading infrastructure. Proven ability to manage enterprise networks, secure systems, and ensure high availability for mission-critical applications.

Experience

Senior Manager – IT at K2J Financial Services Pvt Ltd (2024-06 – Present)

Managing cloud servers and enterprise network infrastructure with focus on security and trading systems integration.

  • Managing cloud servers and enterprise network infrastructure
  • Maintaining Fortigate firewall security and VPN connectivity
  • Integrating secure network environment with algorithmic trading systems
  • Implementing SD-WAN, network load balancing and VPN failover
  • Monitoring and troubleshooting complete IT infrastructure
  • Managing trading platforms including uTrade, Greek Software and in-house applications

Assistant Manager – IT at IKM Investor Services Ltd (2008-01 – 2024-05)

Managed office and colocation data center network infrastructure with expertise in HFT network development.

  • Managed office and colocation data center network infrastructure
  • Developed HFT (High Frequency Trading) server with ultra-low latency
  • Managed leased line and VSAT connectivity
  • Administered Fortigate firewall security
  • Supported trading software including Omnesys and Greek Soft

System Administrator at R.P.S. Infotech (2006-09 – 2008-01)

Managed LAN/WAN infrastructure and maintained network systems.

  • Managed LAN/WAN infrastructure
  • Maintained domain servers and client systems
  • Installed and maintained hardware and software systems
  • Monitored network performance and resolved connectivity issues

Education

B.Sc (Hons) (2006)

10+2 – B.I.E.C. (2002)

10th – B.S.E.B. (2000)

Skills

Senior Manager-ITSenior Network Security EngineerFirewall & Infrastructure Specialist

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