Sr Systems Engineer
Job Description
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