Sr Systems Support Engineer

Responsibilities

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

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

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

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Mentors, coaches, and shares knowledge with junior team members

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Acts as an escalation point for complex incidents and requests

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

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

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

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

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Collaborates with senior engineers on large-scale infrastructure projects

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

Experience Required

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6+ years of experience in core Networking and Security

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

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

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

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Strong understanding of L3 routing protocols (OSPF, BGP)

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

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

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Experience with DMVPN, IPSEC, and encryption standards

Azure Networking (Enhanced Requirement)

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Strong hands-on experience in deployment, configuration, and troubleshooting of Microsoft Azure networking services , including:

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Virtual Networks (VNet), Subnets, IP Address Management

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Network Security Groups (NSG) and Azure Firewall policy configuration and troubleshooting

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Azure Load Balancer (L4) and Application Gateway (L7) setup, tuning, and issue resolution

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Azure Front Door and Web Application Firewall (WAF) configuration and debugging

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VPN Gateway (Site-to-Site, Point-to-Site) and ExpressRoute deployment and troubleshooting connectivity issues

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User Defined Routes (UDR) and Network Virtual Appliances (NVA) configuration and routing issue analysis

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Azure DNS, Traffic Manager, and Network Watcher for diagnostics and monitoring

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Strong experience in troubleshooting Azure network issues , including:

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Connectivity issues between VNets, subnets, and on-prem environments

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Routing misconfigurations and asymmetric routing

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NSG/Firewall rule conflicts and traffic drops

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Load balancing and application gateway backend health issues

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VPN/ExpressRoute latency, packet drops, and tunnel failures

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Experience designing and implementing hybrid cloud connectivity (On-prem to Azure)

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Strong understanding of Azure network security architecture and best practices

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Experience with high availability, failover, and disaster recovery design in Azure networking

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Hands-on experience with Infrastructure as Code (IaC) using ARM templates, Bicep, or Terraform

Cloud & Automation Skills

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Knowledge of AWS networking and architectural principles

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Experience with network automation using Python, Shell scripting, YAML

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Familiarity with DevOps practices and CI/CD pipelines

Education & Certifications

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Bachelor’s degree in Engineering or related discipline (or equivalent experience)

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Preferred certifications:

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CCNA / CCNP

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Security+

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ITIL Foundation

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Microsoft Azure Fundamentals / Azure Network Engineer Associate

Key Skills

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Strong consulting and communication skills

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Ability to work with internal and external stakeholders

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Strong analytical and problem-solving abilities