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

Originally posted on Himalayas