Sr Systems Support 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