Senior Network Engineer

Experience

Job Description

Job Description – L3 Network Associate
Role : L3 Network Associate
Experience : 7–10 Years

Job Summary
We are looking for a highly skilled L3 Network Associate with strong expertise in enterprise network operations, troubleshooting, and design across LAN, WLAN, SD-WAN, security, and monitoring platforms. The role requires deep technical capabilities to handle complex incidents (P1/P2), escalations, and network optimization, along with supporting design validation and architectural improvements.

Soft Skills
•Strong communication and stakeholder management skills 
•Ability to handle high-severity incidents (P1/P2) 
•Strong analytical and problem-solving skills 
•Ability to lead troubleshooting efforts and mentor L1/L2 engineers 
•Proactive and ownership-driven mindset 
Preferred Qualifications
•Cisco certifications (CCNP / CCIE preferred) 
•Fortinet certifications (NSE) – added advantage 
•Experience in enterprise / global network environments 
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Role Expectations
•Act as technical SME for network domain 
•Ensure minimal downtime and fast resolution of critical issues 
•Drive continuous improvement and automation initiatives 
•Support network transformation and modernization projects 

Required Technical/ Functional Competencies

Key Responsibilities
🔹 Advanced Network Operations & Troubleshooting
•Act as L3 escalation point for complex network incidents (P1/P2) 
•Perform deep troubleshooting across LAN, WLAN, SD-WAN, firewall, and routing domains 
•Analyze network issues using packet captures, logs, and monitoring tools 
•Ensure high availability and performance of enterprise network infrastructure
🔹 Switching & Routing (Cisco)
•Configure and manage: 
oCisco Catalyst (C9200/C9300/C9500) and Nexus switches 
•Strong understanding and hands-on experience with: 
oRouting protocols (OSPF, BGP, EIGRP) 
oVLANs, STP, EtherChannel, HSRP/VRRP 
•Perform software upgrades, patching, and lifecycle management
🔹 Wireless (Cisco)
•Strong experience in: 
oCisco WLC (9800 / AireOS) and Access Points 
•Troubleshoot: 
oClient connectivity issues 
oAuthentication failures (802.1X, ISE integration) 
oRoaming and RF optimization issues 
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🔹 Security & SD-WAN
•Hands-on experience with: 
oFortinet Firewall (policy, NAT, VPN, troubleshooting) 
oFortinet SD-WAN (policy, SLA, traffic steering) 
oCisco ISE administration (AAA, 802.1X, posture, policies) 
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🔹 Network Management & Monitoring
•Experience with tools: 
oObservium, SolarWinds, SNMP monitoring platforms 
•Manage and troubleshoot: 
oDNS, DHCP, IPAM (Infoblox preferred) 
•Proactively monitor network health and performance 
•Identify and mitigate potential issues before impact
Cisco Catalyst Center (DNAC)
•Hands-on experience in: 
oDevice onboarding 
oTemplate-based configuration 
oAssurance and telemetry analysis 
•Use DNAC for automation and network visibility 
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🔹 Design & Architecture Support
•Participate in: 
oNetwork design discussions 
oArchitecture reviews and assessments 
•Provide input for: 
oCapacity planning 
oNetwork optimization 
oTechnology upgrades
🔹 ITSM & Process Compliance
•Work within ITSM frameworks: 
oServiceNow / Matrix42 / similar tools 
•Follow: 
oIncident, problem, and change management processes 
•Prepare RCA reports and documentation 
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Required Skills
•Strong expertise in Cisco Catalyst & Nexus switching 
•Solid knowledge of routing protocols (OSPF, BGP, EIGRP) 
•Strong hands-on experience in: 
oCisco Wireless (WLC/AP) 
oFortinet Firewall & SD-WAN 
oCisco ISE (AAA, 802.1X) 
oFortiGate
oFortiAnalyzer
oFortiManager
oCisco Meraki (MX, MS, Dashboard)
•Experience with network monitoring tools (SolarWinds, Observium) 
•Good knowledge of DNS, DHCP, IPAM (Infoblox) 
•Strong troubleshooting skills in enterprise environments 
•Understanding of network design and architecture principles 
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Soft Skills
•Strong communication and stakeholder management skills 
•Ability to handle high-severity incidents (P1/P2) 
•Strong analytical and problem-solving skills 
•Ability to lead troubleshooting efforts and mentor L1/L2 engineers 
•Proactive and ownership-driven mindset 
Preferred Qualifications
•Cisco certifications (CCNP / CCIE preferred) 
•Fortinet certifications (NSE) – added advantage 
•Experience in enterprise / global network environments 

Required Behavioral Competencies

Accountability:

• Takes responsibility for and ensures accuracy of own work, as well as the work and deadlines of the team.

Collaboration:

• Shares information within team, participates in team activities, asks questions to understand other points of view.

Agility:

• Demonstrates readiness for change, asking questions and determining how changes could impact own work.

Customer Focus:

• Identifies trends and patterns emerging from customer preferences and works towards customizing/ refining existing services to exceed customer needs and expectations.

Communication:

• Targets communications for the appropriate audience, clearly articulating and presenting his/her position or decision.

Drives Results:

• Sets realistic stretch goals for self & others to achieve and exceed defined goals/targets.

Resolves Conflict:

• Displays sensitivity in interactions and strives to understand others’ views and concerns.

Certifications