Senior 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 conflicts and traffic drops * Load balancing and application gateway backend health issues * VPN/ExpressRoute latency, packet drops, and tunnel failures * Experience designing and implementing **hybrid cloud connectivity (On-prem to Azure)** * Strong understanding of **Azure network security architecture and best practices** * Experience with **high availability, failover, and disaster recovery design in Azure networking** * Hands-on experience with **Infrastructure as Code (IaC)** using ARM templates, Bicep, or Terraform **Cloud & Automation Skills:** * Knowledge of AWS networking and architectural principles * Experience with network automation using Python, Shell scripting, YAML * Familiarity with DevOps practices and CI/CD pipelines **Education & Certifications:** * Bachelor’s degree in Engineering or related discipline (or equivalent experience) * Preferred certifications: * CCNA / CCNP * Security+ * ITIL Foundation * Microsoft Azure Fundamentals / Azure Network Engineer Associate **Key Skills:** * Strong consulting and communication skills * Ability to work with internal and external stakeholders * Strong analytical and problem-solving abilities