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