Role Summary
The Network Engineer III is a senior technical engineer responsible for 24×7 operational support, troubleshooting, and optimization of complex enterprise network environments within a Managed Services (MS) organization.
This role serves as a Tier 3 escalation engineer, supporting customer networks built on Palo Alto, Fortinet, Cisco, Meraki, Aruba, and F5 Load Balancing platforms across hybrid, cloud, and global infrastructures. The engineer maintains strong multi‑vendor networking fundamentals, drives incident resolution, and supports adjacent technologies as required.
The Network Engineer III directly influences customer satisfaction, service quality, and incident outcomes, and collaborates closely with Managed Services Network, Managed Services Security, Engineering, Presales Architecture, Product, and Service Management teams.
Key Responsibilities
24×7 Operations & Tier‑3 Escalation
- Participate in a 24×7 on‑call rotation as a Tier‑3 escalation engineer.
- Troubleshoot and resolve complex network issues across:
- Palo Alto and Fortinet firewalls
- Cisco IOS/XE, Nexus, and Meraki environments
- Aruba switching and wireless infrastructures
- F5 LTM/GTM load balancing platforms
- Lead high‑severity incident response, including:
- Technical troubleshooting
- Customer communications
- Root cause analysis (RCA) and corrective actions
- Act as a senior technical escalation point during major outages and service-impacting events.
Enterprise Network Engineering & Lifecycle Management
- Provide senior‑level support for enterprise network architectures, including:
- Campus, WAN, and data center networking
- Firewall and security enforcement
- Load balancing and application delivery
- Own the full managed service lifecycle, including:
- Customer onboarding and service readiness
- Change management and risk assessment
- Hardware and software upgrades
- Platform migrations and decommissioning
- Validate and enforce:
- Network security policies and segmentation
- Routing and traffic flow design
- High availability, redundancy, and resiliency standards
Routing, WAN & Cloud Connectivity