Harris
Sr Systems Support Engineer
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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