Network Administrator

4 hours ago


Chennai, Tamil Nadu, India SPECTRUM CONSULTING Full time ₹ 12,00,000 - ₹ 18,00,000 per year

Description :

Role : Network Admin

Exp : 5 to 8 years

Should have good communications skills.

Job Summary :

We are looking for a highly skilled and experienced Network Administrator to manage and support our enterprise network infrastructure. The ideal candidate will have hands-on expertise in Cisco networking, firewall management, wireless technologies, and cloud-based access solutions. This role requires strong troubleshooting skills, practical experience in enterprise IT environments, and relevant certifications such as CCNA and CCNP.

Key Responsibilities :

- Configure, manage, and troubleshoot Cisco routing and switching technologies including : BGP, EIGRP, HSRP, LACP, OSPF, STP, SVI, VLAN

- Administer and maintain DHCP and DNS services across the network

- Manage and support Fortigate firewalls and VPNs, with proven experience in enterprise deployments

- Deploy and maintain Ruckus access points and switches, ensuring optimal wireless coverage and performance

- Implement and manage Network Access Control (NAC) systems for secure endpoint connectivity

- Monitor and optimize network performance using Network Management Systems (NMS)

- Configure and support Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) for secure cloud-based connectivity

- Maintain documentation of network configurations, changes, and procedures

- Collaborate with cross-functional teams to support infrastructure upgrades and security initiatives

Required Skills & Qualifications :

- Minimum 58 years of experience in network administration in an enterprise IT environment

- Strong understanding of networking protocols and services

- Hands-on experience with Cisco devices and configurations

- Practical experience with Fortigate firewalls and VPN setup

- Experience with Ruckus wireless infrastructure in a corporate setting

- Familiarity with NAC systems and network segmentation

- Proficiency in using NMS tools for monitoring and reporting

- Exposure to Zscaler cloud security solutions

- Excellent analytical and problem-solving skills

- Strong communication and documentation abilities

Certifications :

- CCNA (Cisco Certified Network Associate) Required

- CCNP (Cisco Certified Network Professional) Preferred

- Additional certifications (e.g., Fortinet NSE, Zscaler Certified Professional) are a plus

Education :

- Bachelors degree in Computer Science, Information Technology, or related field (or equivalent experience)



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