Network Support Engineer
Transmedia Group
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Job summary
Transmedia Group in India is seeking a Network Support Engineer to join the IT Infrastructure team. You will monitor, troubleshoot, and support enterprise network infrastructure, including Cisco, Juniper, and Ruckus Wi‑Fi systems, in a production environment.
The role requires handling incidents, performing configuration changes, and ensuring network availability and performance, with L1‑L2 support and thorough documentation.
Qualifications
- Bachelor's degree or diploma in CS/IT/EC or related field.
- Relevant networking certifications are preferred.
- Experience in network monitoring and incident management.
- Hands-on with Cisco, Juniper, and Ruckus/Wi‑Fi technologies.
Responsibilities
- Monitor and maintain enterprise network infrastructure.
- Provide L1/L2/L2+ network support and troubleshoot incidents.
- Coordinate with ISPs and vendors for circuit issues.
- Maintain network documentation and change records.
- Support network upgrades and migrations.
- Follow ITIL/change-management processes.
Skills
Education
Tools
Job description
Position: Network Support Engineer
Department: IT Infrastructure / Network Operations
Experience: 2 - 5 years of relevant experience in Network Support and Infrastructure.
Employment Type Full-Time
Job Location [Guntur]
Role Overview We are looking for a skilled and motivated Network Support Engineer to join our IT Infrastructure team. The candidate will be responsible for monitoring, troubleshooting, maintaining, and supporting enterprise network infrastructure. The ideal candidate should have hands-on experience with Cisco, Juniper, Ruckus, and Wi-Fi technologies, with a strong understanding of routing, switching, wireless networking, network monitoring, and troubleshooting. The candidate should be comfortable working in a production environment, handling incidents, performing configuration changes, and supporting network availability and performance.
- Monitor and maintain enterprise network infrastructure.
- Provide L1/L2/L2+ network support and troubleshoot network-related incidents.
- Support Cisco and Juniper routers and switches.
- Support Ruckus wireless infrastructure and enterprise Wi-Fi networks.
- Troubleshoot LAN, WAN, WLAN, Internet, and connectivity issues.
- Configure and troubleshoot VLANs, trunk ports, access ports, and Layer 2 connectivity.
- Troubleshoot routing protocols such as OSPF and BGP as applicable to the environment.
- Monitor network devices, links, bandwidth utilization, and network availability.
- Troubleshoot issues related to packet loss, latency, high utilization, and interface errors.
- Support wireless APs, controllers, SSIDs, authentication, and wireless connectivity.
- Troubleshoot Wi-Fi coverage, interference, roaming, and performance issues.
- Perform network device configuration changes as per approved change procedures.
- Maintain network device configurations and backups.
- Monitor and respond to network alerts and incidents.
- Escalate complex issues to senior network engineers or vendors when required.
- Coordinate with ISPs and technology vendors for circuit and network-related issues.
- Maintain network documentation, topology diagrams, IP address records, and configuration details.
- Participate in network upgrades, migrations, and implementation activities.
- Follow ITIL/change-management and incident-management processes.
- Provide support during planned maintenance and emergency network outages.
- Hands-on experience with Cisco switches and routers.
- Good understanding of Cisco IOS/IOS-XE.
- VLAN and trunk configuration.
- STP/RSTP.
- EtherChannel/LACP.
- HSRP/VRRP knowledge.
- Basic OSPF troubleshooting.
- Basic understanding of BGP.
- Interface and connectivity troubleshooting.
- Hands-on experience with Juniper switches/routers.
- Basic knowledge of Junos OS.
- VLAN and switching configuration.
- Routing and interface troubleshooting.
- OSPF/BGP troubleshooting knowledge.
- Understanding of Junos configuration, commit, and rollback.
- Hands-on experience supporting Ruckus Wireless infrastructure.
- Experience with Ruckus Access Points and wireless management/controller platforms.
- Configuration and troubleshooting of SSIDs and WLANs.
- Good understanding of 2.4 GHz, 5 GHz, and 6 GHz Wi-Fi technologies.
- Understanding of RSSI, SNR, channel utilization, interference, and roaming.
- Troubleshooting wireless connectivity and performance issues.
- Knowledge of WPA2/WPA3, 802.1X, and RADIUS.
- Experience troubleshooting AP connectivity and wireless client issues.
The candidate should have a good understanding of:
- TCP/IP
- IPv4/IPv6
- Subnetting
- VLANs
- Trunking
- STP/RSTP
- ARP
- DHCP
- DNS
- NAT
- Routing
- OSPF
- BGP - basic knowledge
- ACLs
- QoS - basic understanding
- VPN - basic understanding
Experience with network monitoring and troubleshooting tools is preferred. The candidate should understand:
- SNMP
- Syslog
- Ping
- Traceroute
- Packet capture
- Interface statistics
- MAC address tables
- ARP tables
- Routing tables
- Network monitoring dashboards
The candidate should be able to follow a structured troubleshooting methodology: Identify >> Isolate >> Troubleshoot >> Resolve >> Validate >> Document
- Network segmentation
- ACLs
- 802.1X
- RADIUS
- TACACS+
- NAC concepts
- Firewall fundamentals
- Secure management of network devices
- SSHPort security
- Monitor and respond to network incidents within defined SLAs.
- Perform initial impact assessment and troubleshooting.
- Escalate incidents based on severity and escalation procedures.
- Maintain accurate incident and resolution documentation.
- Participate in P1/P2 incident troubleshooting when required.
- Perform basic root-cause analysis for recurring issues.
- Follow approved change-management procedures.
Maintain and update:
- Network topology diagrams
- IP address records
- VLAN information
- Device inventory
- Port mapping
- Network configurations
- Wi-Fi/AP inventory
- Troubleshooting procedures
- Incident and change records
- Bachelor's degree/Diploma in Computer Science, Information Technology, Electronics & Communication, or a related field.
- Relevant networking certifications are preferred.
- Cisco CCNA
- Cisco CCNP - advantage
- Juniper JNCIA/JNCIS - advantage
- Ruckus certifications - advantage
- CWNA/CWNP - advantage
- CompTIA Network+ is a advantage
- Strong troubleshooting and analytical skills.
- Good communication and interpersonal skills.
- Ability to work independently and as part of a team.
- Ability to handle multiple incidents simultaneously.
- Willingness to work in shifts/on-call support if required.
- Good documentation and reporting skills.
- Customer/service-oriented approach.
- Ability to work under pressure during network outages.
- Strong learning attitude and willingness to develop new technical skills.
- Network availability and uptime
- Incident response time
- Mean Time to Resolution (MTTR)
- SLA compliance
- First-level resolution rate
- Network incident recurrence
- Successful change implementation
- Monitoring and alert response
- Documentation accuracy
- Customer/user satisfaction
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