IT Infrastructure Support Engineer

This is a mission-critical, hands-on role. Stock broking operations run on tight regulatory timelines market open, T+1 settlement, end-of-day reporting. Downtime is not an option. We need someone who fixes problems, not someone who escalates them. About The Role Stellaredge runs a technology-first brokerage. Every client order, every payout, every compliance report, every reconciliation all of it depends on stable, performant infrastructure. This role owns that infrastructure: networks, servers, trading applications, and the monitoring systems that keep everything observable. You will be the first responder when something breaks at 9:14 AM during market hours. You will be the person who ensures the OMS is up before 9:00 AM. You will be the one who knows exactly what is running, where it is running, and what to do when it is not. This is not a helpdesk role. It is a technical ownership role with real operational stakes. What Makes This Role Different in a Broking Environment Market hours are fixed 9:15 AM to 3:30 PM. Any infrastructure failure during this window has direct financial and regulatory consequences. Uptime is not an SLA metric here, it is a compliance requirement.Trading applications (OMS, RMS) have strict latency and availability requirements set by exchanges and SEBI standard IT support thinking is insufficient.End-of-day processes (settlement files, reconciliation uploads, CDSL/NSDL submissions) have hard cutoff times. A server delay at 6 PM can cascade into a regulatory breach.You will work alongside compliance, DP operations, and finance teams understanding what their applications actually do operationally is part of doing this job well. Key Responsibilities Network Infrastructure Own and manage the office LAN/WAN setup switches, routers, firewalls, and VLANsConfigure and maintain leased line, broadband failover, and VPN connectionsMonitor network performance and proactively resolve latency, packet loss, or bandwidth issuesManage firewall rules, access control lists, and network segmentation for security complianceEnsure dedicated, low-latency connectivity for trading terminals and OMS/RMS applicationsManage Wi-Fi infrastructure and ensure segregated access for staff, trading systems, and guests Server & System Administration Manage Windows Server and Linux (Ubuntu/CentOS) environments installation, configuration, patching, and maintenanceAdminister Active Directory: user accounts, group policies, access controls, and audit logsManage on-premise servers and co-location/cloud instances (AWS/Azure) for trading applicationsPerform regular backup operations, verify restore procedures, and maintain disaster recovery readinessMonitor server health CPU, memory, disk, and process utilisation and respond to threshold breachesManage virtualisation environments (VMware / Hyper-V) where applicableMaintain hardware inventory, warranty tracking, and lifecycle management Trading Application Support Provide Level 1 and Level 2 support for OMS (Order Management System) and RMS (Risk Management System)Coordinate with exchange-certified vendors (NSE/BSE application providers) for upgrades, patches, and issue resolutionManage CTCL/IBAPI/FIX connectivity with NSE, BSE, MCX, and NCDEX as applicableMonitor pre-market system checks and ensure all trading applications are live and responsive before 9:00 AMSupport Backoffice software (Finacle, TBMS, or brokerage-specific platforms) user provisioning, access management, and first-level troubleshootingMaintain application configuration files, log management, and version control for all trading systemsCoordinate with exchange IT helpdesks for TM-related technical issues and connectivity certifications Monitoring, Security & Compliance Set up and maintain monitoring dashboards for all critical systems alerts, uptime tracking, and incident logsImplement and maintain endpoint security: antivirus, patch management, and device control policiesEnsure IT infrastructure meets SEBI cybersecurity framework requirements (SEBI Circular dated Sep 2023)Conduct periodic vulnerability assessments and maintain audit trails for access and configuration changesManage SSL certificates, domain renewals, and DNS configurationsPrepare IT infrastructure reports for internal audits and SEBI/exchange inspectionsMaintain an up-to-date IT asset register and network topology document Requirements Must Have 2-5 years of hands-on IT infrastructure experience servers, networks, and application supportWindows Server administration: Active Directory, Group Policy, DNS, DHCP, IISLinux administration (Ubuntu or CentOS/RHEL): command line, services, cron, logsNetworking fundamentals: TCP/IP, VLANs, routing, firewall rules, VPN configurationExperience with Cisco or equivalent managed switches and enterprise routersProven troubleshooting methodology structured, fast, and calm under pressureAbility to write clear incident reports and maintain IT .