L3 Network Engineer
Job Summary
We are seeking an experienced L3 Network Engineer to join our Network Operations and Engineering team. The ideal candidate will be responsible for designing, deploying, troubleshooting, and supporting enterprise network infrastructure across on-premises and cloud environments. The role requires hands-on expertise in SD-WAN, security, switching, wireless technologies, Azure networking, and branch provisioning. The candidate should possess strong troubleshooting skills, automation capabilities, and experience working within ITIL-based service management processes.
Key Responsibilities
Network Infrastructure Management
Design, deploy, and support enterprise network infrastructure across multiple locations.
Configure, troubleshoot, and optimize Cisco routing, switching, and wireless environments.
Manage and support Cisco Catalyst 9300 Switch Stack deployments.
Lead MDF and IDF design, setup, and commissioning activities for new office locations.
SD-WAN & Security
Implement, manage, and troubleshoot Silver Peak (Aruba Edge Connect) SD-WAN solutions.
Configure and support Cisco Firepower Threat Defense (FTD) Firewalls.
Perform firewall policy management, VPN deployment, and security troubleshooting.
Support internet edge security and secure remote connectivity solutions.
Azure Networking & Cloud
Design and deploy Azure networking solutions.
Implement Azure Landing Zones and Network Virtual Appliance (NVA) deployments.
Manage:
Virtual Networks (VNets)
VNet Peering
VPN Gateways
ExpressRoute Connectivity
NSGs and Routing Policies
Branch Site Provisioning
Lead end-to-end deployment of new branch locations.
Prepare and validate Bill of Materials (BOM) for branch provisioning.
Coordinate with vendors, ISPs, and internal stakeholders during implementation.
Ensure successful WAN, LAN, Wireless, and Security deployments.
Monitoring & Automation
Utilize enterprise monitoring tools for proactive incident detection and performance management.
Develop and maintain automation workflows using Ansible.
Support network configuration management and operational efficiency improvements.
Wireless & Collaboration
Deploy and support Cisco Wireless and Meraki environments.
Troubleshoot wireless performance and connectivity issues.
Support Voice infrastructure including Cisco VoIP and Avaya VoIP systems (good to have).
IT Operations
Participate in Incident, Problem, Change, and Service Request Management processes.
Ensure compliance with ITIL framework and Change Management procedures.
Prepare technical documentation, SOPs, implementation plans, and network diagrams.
Provide L3 escalation support for critical network incidents and outages.
Mandatory Skills
Silver Peak (Aruba Edge Connect) SD-WAN
Cisco FTD Firewalls
Cisco Catalyst 9300 Stack Switches
Enterprise Routing & Switching
Azure Networking
Azure Landing Zone Deployments
Network Virtual Appliance (NVA) Deployments
MDF and IDF Design & Deployment
Enterprise Network Monitoring Tools
Ansible Automation
New Branch Site Provisioning & Deployment
BOM Preparation and Validation
ITIL Process Knowledge
Change Management Experience
Strong Troubleshooting and Root Cause Analysis Skills
Preferred Skills
Zscaler Internet Access (ZIA)
Zscaler Private Access (ZPA)
Cisco Umbrella
Cisco Wireless
Cisco Meraki
Cisco VoIP
Avaya VoIP
Infrastructure Automation and Scripting
Certifications
Mandatory
CCNP Enterprise
Preferred
Azure Network Engineer Associate (AZ-700)
Cisco Security Certifications
ITIL Foundation Certification
Zscaler Certifications
Desired Candidate Profile
Grad of IT related courses
Minimum of 5 years related work experience
Strong analytical and troubleshooting skills.
Experience supporting large-scale enterprise networks.
Ability to work independently in a fast-paced operational environment.
Excellent communication and stakeholder management skills.
Experience working with global teams and supporting US business hours.
Strong documentation and implementation planning skills.
Amenable to work on night shift in a BPO set-up.