SrDot Network Engineer

Job Summary

The SME - Network Security Infrastructure will be a senior hands-on technical resource responsible for the organizations enterprise network and associated security infrastructure. The role will provide L3/SME-level support for LAN, WAN, routing, switching, firewalls, VPN, wireless, cloud connectivity and network security, and will independently handle complex incidents, changes and improvement activities.

Responsibilities

• Manage and support enterprise LAN, WAN, Internet and data center network infrastructure.
• Configure and troubleshoot routers, switches, firewalls, wireless infrastructure and related network devices.
• Manage VLANs, trunking, LAG/LACP, STP, inter-VLAN routing and network segmentation.
• Configure and troubleshoot routing protocols including OSPF and BGP.
• Manage firewall policies, NAT, security zones, objects and network access controls.
• Manage site-to-site and remote-access VPN connectivity.
• Support network security platforms including firewalls, IDS/IPS and related security solutions.
• Manage connectivity between offices, data centers, cloud environments and external service providers.
• Support Azure/AWS cloud networking including VNets/VPCs, routing, VPN and connectivity with on-premises environments.
• Monitor network availability, bandwidth utilization, latency, packet loss and overall performance.
• Troubleshoot complex network incidents and perform packet-level analysis where required.
• Perform Root Cause Analysis for major network outages and recurring incidents.
• Plan and execute network upgrades, migrations and technology refresh activities.
• Maintain network security standards and implement recommended hardening practices.
• Periodically review firewall and network configurations and coordinate cleanup of obsolete configurations.
• Coordinate with ISPs, OEMs and network/security vendors for incidents, changes and service-related issues.
• Manage IP addressing and maintain IP/VLAN/network inventory.
• Maintain network diagrams, configuration documents, SOPs and configuration backups.
• Support vulnerability remediation and infrastructure security audits.
• Implement and maintain network redundancy and high-availability configurations.
• Provide L3/SME-level technical guidance to network engineers and support teams.
• Participate in change management and ensure production network changes are planned, tested and documented.
• Provide network architecture and technical inputs for new infrastructure requirements and projects.

Required Skills

• Enterprise routing and switching
• TCP/IP, VLAN, STP, LACP and Layer 2/Layer 3 troubleshooting
• OSPF and BGP
• Firewall configuration and administration
• NAT and network security policies
• IPsec and SSL VPN
• High availability and network redundancy
• Enterprise wireless networking
• DNS and DHCP fundamentals
• Network monitoring and troubleshooting
• Packet analysis using Wireshark or equivalent tools
• Azure/AWS cloud networking
• Network security and segmentation
• Cisco/Aruba/HPE networking experience preferred
• Fortinet/Sophos/Palo Alto or equivalent firewall experience
• Network documentation and diagram preparation

Qualifications

• Bachelors degree in IT, Computer Science, Engineering or equivalent.
• 7-10 years of relevant enterprise networking experience.
• CCNP or equivalent networking certification preferred.
• Fortinet, Palo Alto, Aruba or other relevant OEM certifications preferred.
• Strong hands-on troubleshooting capabilities for critical production network issues.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.