Network Engineer (69 Years of Experience)
Position:
Job Summary
We are looking for an experienced Network Engineer to support and manage enterprise network infrastructure across Routing & Switching, Network Security, Wireless, SD-WAN, and Cloud Networking environments. The candidate will be responsible for day-to-day network operations, incident resolution, troubleshooting, configuration changes, and service availability. The role requires strong hands-on technical expertise, effective collaboration with cross-functional teams, and the ability to resolve complex network issues in a 24x7 enterprise environment.
Key Responsibilities
- Manage and troubleshoot enterprise network infrastructure, including LAN, WAN, Routing & Switching, Wireless, and SD-WAN technologies.
- Investigate and resolve network incidents, including P1/P2 incidents, within defined SLAs.
- Participate in major incident bridges and coordinate with senior engineers, security teams, and service providers for incident resolution.
- Perform network configuration, implementation, upgrades, and maintenance activities in accordance with approved change management processes.
- Troubleshoot routing, switching, connectivity, performance, latency, packet loss, and network availability issues.
- Support and troubleshoot firewalls, VPN connectivity, network access control, and enterprise wireless infrastructure.
- Assist with root cause analysis (RCA), problem management, and implementation of corrective and preventive actions.
- Monitor network performance, availability, and capacity using enterprise monitoring and management tools.
- Coordinate with vendors, ISPs, and internal infrastructure teams to resolve network-related issues.
- Develop and maintain network documentation, SOPs, operational runbooks, and troubleshooting procedures.
- Participate in 24x7 rotational shifts, weekend on-call support, and after-hours maintenance activities as required.
- Follow ITIL-based Incident, Problem, and Change Management processes to ensure operational stability.
Required Technical Skills
1. Routing & Switching
- Strong hands-on experience with Cisco enterprise Routing & Switching technologies.
- Good understanding of VLANs, trunking, STP, RSTP, MST, HSRP, VRRP, and EtherChannel/Port Channels.
- Working experience with BGP, OSPF, EIGRP, route redistribution, and routing policy configuration.
- Knowledge of QoS, ACLs, IP addressing, subnetting, IPv4/IPv6, and network troubleshooting.
- Experience supporting LAN, WAN, MPLS, and enterprise connectivity.
- Ability to troubleshoot routing loops, packet drops, connectivity failures, and network performance issues.
2. Network Security & Firewalls
- Hands-on experience with Palo Alto firewalls and Panorama.
- Knowledge of firewall policies, NAT, security zones, GlobalProtect VPN, URL Filtering, and Threat Prevention.
- Understanding of IPS/IDS, SSL decryption, Application-ID, and User-ID.
- Experience troubleshooting site-to-site and remote-access VPN connectivity.
- Ability to perform firewall policy changes, configuration validation, and post-change verification.
3. SD-WAN
- Experience supporting and troubleshooting enterprise SD-WAN environments.
- Understanding of SD-WAN architecture, overlays, underlay connectivity, routing, and application-aware path selection.
- Exposure to Palo Alto SD-WAN or other enterprise SD-WAN solutions.
- Ability to troubleshoot tunnel failures, link degradation, routing issues, and application connectivity problems.
4. Wireless Networking
- Experience supporting Cisco Wireless LAN Controllers (WLCs) and Cisco Access Points.
- Understanding of enterprise wireless architecture, SSIDs, RF fundamentals, channel utilization, and signal interference.
- Knowledge of wireless authentication, encryption, roaming, and connectivity troubleshooting.
- Ability to diagnose wireless coverage, performance, and client authentication issues.
5. Network Access Control
- Working knowledge of Cisco Identity Services Engine (ISE).
- Understanding of 802.1X, RADIUS, TACACS+, Network Access Control (NAC), and device profiling.
- Exposure to guest access, BYOD, and posture assessment.
- Ability to troubleshoot authentication, authorization, and network access issues.
6. Cloud Networking
- Basic to intermediate hands-on experience with AWS networking, including VPC, subnets, route tables, Transit Gateway, Direct Connect, Security Groups, NACLs, Route 53, and CloudWatch.
- Working knowledge of Azure networking, including VNETs, ExpressRoute, VPN Gateway, NSGs, Azure Firewall, Load Balancers, Azure Monitor, and Network Watcher.
- Ability to troubleshoot cloud connectivity, routing, VPN, and hybrid network integration issues.
- Experience coordinating with cloud infrastructure teams to resolve network-related incidents.
Service Management Skills
- Incident Management and SLA-based incident resolution.
- Problem Management and Root Cause Analysis.
- Change Management and implementation validation.
- Participation in Major Incident Management and technical bridge calls.
- ITIL-based enterprise IT operations.
- Network monitoring, escalation management, and operational reporting.
Communication & Collaboration
- Good verbal and written communication skills.
- Ability to work effectively with cross-functional infrastructure, security, cloud, and application teams.
- Strong troubleshooting, analytical, and problem-solving capabilities.
- Ability to manage assigned technical issues independently and escalate complex problems appropriately.
- Willingness to work in a 24x7 operational environment with rotational shifts and weekend on-call support.
Preferred Certifications
- CCNP Enterprise or equivalent networking certification.
- PCNSA or PCNSE.
- Cisco ISE Specialist certification.
- CWNA/CWNP.
- AWS Certified Solutions Architect – Associate or equivalent.
- Microsoft Certified: Azure Network Engineer Associate.
- ITIL Foundation.
Candidate Profile
- 6–9 years of experience in enterprise network engineering, operations, and troubleshooting.
- Strong hands-on experience in Routing & Switching, with exposure to Network Security, Wireless, SD-WAN, and Cloud Networking.
- Experience working in large-scale enterprise or managed services environments.
- Candidates with strong operational troubleshooting skills and a solid networking foundation are preferred.
