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 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