Senior Network Administrator

Arcgate Technologies LLP; Udaipur District; On-site; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Competitive compensation package

Career growth opportunities

Continuous learning & development

Modern network infrastructure

Job summary

Arcgate Technologies LLP seeks an experienced Senior Network Administrator to design, manage, and secure our enterprise network infrastructure. The role covers campus, data center, and WAN networks with emphasis on security, reliability, and performance.

You will lead initiatives in firewall, VPN, wireless, cloud connectivity, and network automation while mentoring junior engineers and coordinating with vendors.

Qualifications

• 7+ years of hands-on experience in enterprise network administration.
• 3+ years in a senior role with leadership responsibilities.
• Bachelor's degree in CS, Networking or equivalent practical experience.
• Strong knowledge of routing, switching, and security best practices.
• Experience with SD-WAN, NAC, 802.1X, and cloud connectivity.
• CCNP Enterprise or equivalent certifications are preferred.

Responsibilities

• Design, implement, and maintain enterprise campus, data center, and WAN networks.
• Administer firewalls, VPNs, and network security policies including zero-trust concepts.
• Manage enterprise wireless infrastructure, RF planning, and guest/corporate SSIDs.
• Oversee internet connectivity, BGP, static routing, and cloud connectivity (ExpressRoute/Direct Connect/IPsec).
• Implement monitoring and logging using SNMP, NetFlow/sFlow, syslog, and packet capture.
• Lead incident response, troubleshooting, and post-incident improvements.
• Plan capacity, lifecycle refreshes, and maintain IPAM and network diagrams.
• Enforce hardening, patching, and security alignment with standards.
• Collaborate with security, cloud, and systems teams for hybrid connectivity and performance.
• Mentor junior engineers and coordinate with vendors/ISPs on SLAs.

Skills

Enterprise networking

Routing + switching

Firewalls

VPN technologies

Wireless infrastructure

Network security

WAN/LAN design

Network monitoring

Cloud networking

Network automation

Education

Bachelor's degree in Computer Science/Networking

Tools

Wireshark

SNMP

NetFlow/sFlow

syslog

Python

Ansible

Azure

AWS

ExpressRoute/Direct Connect

IPsec

Job description

We are seeking an experienced Senior Network Administrator to design, manage, and secure our enterprise network infrastructure. The ideal candidate will have strong expertise in enterprise networking, routing and switching, firewalls, VPNs, wireless infrastructure, and network security.

Location: Udaipur

Experience: 7+ Years

Senior-Level Experience: 3+ Years in a Senior Role

Education: Bachelor's degree in Computer Science, Networking, or equivalent practical experience

Employment Type: Full-Time

Technology Expertise

• Enterprise networking: LAN, WAN, switching, routing, and SD-WAN.
• Routing protocols: OSPF, BGP, VLANs, STP/RSTP/MSTP, LACP, and QoS.
• Enterprise firewalls: Palo Alto, Fortinet, Cisco ASA/FTD, or equivalent.
• VPN technologies, network segmentation, ACLs, and network security.
• Enterprise wireless infrastructure: Cisco, Aruba, and wireless access points.
• Network monitoring and troubleshooting: Wireshark, SNMP, NetFlow/sFlow, and syslog.
• Cloud networking: Azure VNets, AWS VPC, ExpressRoute, and Direct Connect.
• Network automation using Python or Ansible.
• Load balancing, IP address management (IPAM), and DNS/GSLB.

Responsibilities

• Design, implement, and maintain enterprise campus, data center, and WAN networks, including switching, routing, wireless, and SD-WAN.
• Administer enterprise firewalls, site-to-site and remote-access VPNs, and network security policies, including segmentation, access control lists (ACLs), and zero-trust principles.
• Manage and optimize enterprise wireless infrastructure, including RF planning, wireless controllers, access points, and guest/corporate SSIDs.
• Manage internet connectivity, BGP and static routing, load balancing, and cloud connectivity using ExpressRoute, Direct Connect, or IPsec.
• Implement and maintain network monitoring, logging, and alerting solutions using SNMP, NetFlow/sFlow, syslog, and packet capture.
• Lead network incident response, troubleshooting, root-cause analysis, and post-incident improvement initiatives.
• Plan network capacity, infrastructure lifecycle refreshes, and change windows while maintaining accurate network diagrams and IP address management (IPAM).
• Enforce network hardening, firmware updates, patch management, and alignment with security standards.
• Collaborate with system administration, security, and cloud teams to support hybrid connectivity and application performance.
• Mentor junior network engineers and coordinate with vendors and ISPs on connectivity, service-level agreements (SLAs), and technical escalations.

Experience & Qualifications

• 7+ years of hands-on experience in enterprise network administration, including 3+ years in a senior role.
• Strong knowledge of routing and switching protocols, including OSPF, BGP, VLANs, STP/RSTP/MSTP, LACP, and QoS.
• Hands‑on experience with enterprise firewalls such as Palo Alto, Fortinet, Cisco ASA/FTD, or equivalent platforms.
• Strong understanding of VPN technologies, network security, and secure network architecture.
• Experience managing enterprise wireless deployments using Cisco, Aruba, or similar platforms.
• Proficiency in network troubleshooting tools such as Wireshark, traceroute, packet capture, and flow analysis.
• Solid understanding of TCP/IP, DNS, DHCP, NAT, IPv4/IPv6, and network security fundamentals.
• Strong analytical and problem‑solving skills, with the ability to troubleshoot complex network issues and lead incident resolution.
• Excellent written and verbal communication skills, with the ability to translate business availability and security requirements into network solutions.
• Industry certifications such as CCNP Enterprise, Fortinet NSE 4+, PCNSE, JNCIP, or equivalent.
• Experience with SD-WAN, Network Access Control (NAC), 802.1X, Cisco ISE, or ClearPass.
• Familiarity with network automation using Python or Ansible.
• Cloud networking experience with Azure VNets, NSGs, Azure Firewall, AWS VPC, and hybrid connectivity.
• Experience with load balancers such as F5, NGINX, Azure/AWS Application Load Balancers, and DNS/GSLB.
• Familiarity with ITIL practices and formal change management in production environments.

Benefits

• Competitive compensation package with opportunities for professional growth and career advancement.
• Opportunity to work with enterprise networking technologies and modern cloud infrastructure.
• Collaborative work environment with continuous learning and technical development opportunities.
• Opportunity to contribute to network architecture, security, automation, and infrastructure improvement initiatives.

Excited to design, secure, and manage enterprise network infrastructure while driving reliability, automation, and continuous improvement?