Sr Systems Support Engineer

Responsibilities:


* Configures, maintains, and operates routers, switches, firewalls, load balancers, and monitoring tools


* Installs physical equipment, connects cabling, organizes communication racks, and powers devices per documentation


* Proactively monitors network infrastructure using monitoring tools, responds to alerts, and maintains updated topology documentation


* Mentors, coaches, and shares knowledge with junior team members


* Acts as an escalation point for complex incidents and requests


* Independently handles routine network service requests, access provisioning, and documentation


* Troubleshoots and resolves major incidents, leads outage bridges, and performs root cause analysis


* Owns end-to-end network infrastructure projects (design, implementation, testing, and handover)


* Develops subject matter expertise in domains such as datacenter networking, firewalls, load balancing, or cloud networking


* Collaborates with senior engineers on large-scale infrastructure projects


* Designs, deploys, configures, and troubleshoots Azure and AWS cloud networking solutions

Experience Required:


* 6+ years of experience in core Networking and Security


* Strong experience in data security operations (administration, configuration, troubleshooting, and design)


* Hands-on experience with multi-vendor firewalls (Checkpoint, Cisco ASA, Cisco Firepower, Fortinet, SonicWall, Palo Alto)


* Experience with security tools such as WAF, NIPS, Firewall Analyzer, and DDoS protection


* Strong understanding of L3 routing protocols (OSPF, BGP)


* Experience with multi-vendor environments (Whitebox is a plus)


* Solid knowledge of networking technologies: TCP/IP, DNS, BGP, OSPF, EIGRP, MPLS VPNs, VXLAN, Multicast


* Experience with DMVPN, IPSEC, and encryption standards

Azure Networking (Enhanced Requirement):


* Strong hands-on experience in deployment, configuration, and troubleshooting of Microsoft Azure networking services, including:
+ Virtual Networks (VNet), Subnets, IP Address Management
+ Network Security Groups (NSG) and Azure Firewall policy configuration and troubleshooting
+ Azure Load Balancer (L4) and Application Gateway (L7) setup, tuning, and issue resolution
+ Azure Front Door and Web Application Firewall (WAF) configuration and debugging
+ VPN Gateway (Site-to-Site, Point-to-Site) and ExpressRoute deployment and troubleshooting connectivity issues
+ User Defined Routes (UDR) and Network Virtual Appliances (NVA) configuration and routing issue analysis
+ Azure DNS, Traffic Manager, and Network Watcher for diagnostics and monitoring


* Strong experience in troubleshooting Azure network issues, including:
+ Connectivity issues between VNets, subnets, and on-prem environments
+ Routing misconfigurations and asymmetric routing
+ NSG/Firewall rule c...