Network Engineer (CAG)

About the role

Network Engineer is responsible for supporting and maintaining mission-critical Wireless network infrastructure. The role involves troubleshooting, maintenance, incident response, preventive maintenance, implementation activities, vendor coordination, and support for large-scale wireless environments operating in a 24/7 environment.

Key responsibilities

• Support day-to-day operations of wireless infrastructure including Cisco Wireless solutions, Aruba solutions, switches, firewalls, captive portals, and authentication systems.
• Perform troubleshooting for Wireless connectivity issues, DNS, DHCP, captive portal access, OTP login issues, VLAN routing, authentication failures, and internet access problems.
• Manage service technical escalations and support major incident troubleshooting during service disruptions.
• Support preventive maintenance, firmware upgrades, patching, and technology refresh activities for wireless and network infrastructure.
• Support WLC upgrade activities including Access Point image updates, failover testing, rollback planning, and validation activities.
• Work closely with vendor TAC such as Cisco TAC and Aruba TAC for issue analysis and problem resolution.
• Perform root cause analysis (RCA) and prepare incident reports, technical findings, and preventive recommendations.
• Support implementation activities including Access Point deployment, switch replacement, firewall migration, SSL certificate updates, and network migrations.
• Coordinate with stakeholders, vendors, contractors, and facility management teams during maintenance and implementation activities.
• Monitor infrastructure health using tools such as Catalyst Center, AirWave, SevOne, LogicMonitor, NetAlly.

About you

• Diploma or Degree in Information Technology, Computer Engineering, Network Engineering, or related field.
• Minimum 3–5 years of hands-on experience in network and wireless infrastructure support.
• Strong knowledge of Cisco Wireless LAN Controllers (WLC), Aruba Wireless solutions, Switching and routing technologies, Firewalls and network security concepts, DNS, DHCP, VLANs, and authentication systems.
• Experience with monitoring and management tools such as Cisco Catalyst Center, AirWave, SevOne, ServiceNow.
• Familiarity with incident management, RCA preparation, and maintenance support processes.
• Experience supporting enterprise or mission-critical environments is an advantage.
• Good troubleshooting, communication, and stakeholder coordination skills.
• Ability to work independently and support after-hours maintenance activities when required.
• Preferred Certifications: Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP), Aruba Certified Mobility Associate/Professional, ITIL Foundation Certification.