IT Infrastructure & Network Administrator
Role: Assistant Manager – IT Infrastructure & Network
Location: Gurugram, Haryana
About the Role
We are looking for an experienced IT Infrastructure & Network Administrator to manage and maintain the organization's IT infrastructure, including servers, firewalls, LAN/WAN/MAN networks, communication systems, endpoint connectivity, and related IT operations. The ideal candidate should have strong hands-on experience in network and server administration, troubleshooting, infrastructure security, vendor/third-party coordination, and stakeholder management. The person will be responsible for ensuring high availability, reliability, security, and performance of the company's IT infrastructure.
Key Responsibilities
1. Server & System Administration
o Manage, monitor, and maintain Windows/Linux servers and related infrastructure
o Perform server installation, configuration, patching, upgrades, and troubleshooting
o Monitor server health, performance, storage, CPU, memory, and availability
o Manage Active Directory, DNS, DHCP, Group Policies, user accounts, and access permissions
o Manage file servers, application servers, backup systems, and other IT infrastructure as applicable
o Ensure regular backups and participate in backup/restore and disaster recovery activities
o Maintain proper documentation of server configurations, assets, and infrastructure
2. Network Administration
o Design, configure, maintain, and troubleshoot LAN, WAN, and MAN infrastructure as applicable
o Manage switches, routers, access points, VPNs, VLANs, routing, and network connectivity
o Monitor network performance, availability, bandwidth utilization, and connectivity
o Troubleshoot network outages, packet loss, latency, DNS/DHCP issues, and connectivity problems
o Coordinate with ISPs and telecom service providers for internet, leased lines, MPLS/SD-WAN, VPN,
and other connectivity requirements
o Maintain network diagrams, IP address plans, port mappings, and configuration documentation
3. Firewall & Network Security
o Configure and administer enterprise firewalls and security appliances
o Manage firewall policies, NAT, VPN, access rules, and security configurations
o Monitor firewall logs and network traffic for suspicious activity
o Implement appropriate network segmentation and access controls
o Coordinate with security teams/vendors for vulnerability remediation, security incidents, and audits
o Ensure firewall and network configurations follow organizational security policies
4. IT Infrastructure Support
o Provide L2/L3 support for infrastructure-related incidents
o Troubleshoot hardware, operating system, network, connectivity, and application infrastructure issues
o Support office/site IT infrastructure, including switches, Wi-Fi, printers, communication systems, and
related devices
o Participate in infrastructure deployments, office/site setups, migrations, and technology upgrades
o Ensure minimum downtime and timely resolution of critical infrastructure issues
5. Stakeholder & Vendor Management
o Coordinate effectively with internal stakeholders, business teams, management, and IT users
o Communicate with third-party vendors, system integrators, ISPs, OEMs, and service providers
o Raise and track vendor/service tickets and ensure timely resolution within agreed SLAs
o Coordinate infrastructure implementation and troubleshooting with third parties
o Evaluate technical issues, obtain quotations/proposals where required, and support vendor selection
and coordination
o Provide regular updates to management on infrastructure issues, incidents, projects, and risks
6. Monitoring, Documentation & Compliance
o Maintain accurate IT asset, network, server, firewall, and configuration documentation
o Prepare periodic reports related to network/server uptime, incidents, capacity, and infrastructure
health
o Follow IT security policies, change-management procedures, and access-control processes
o Support internal/external IT audits and compliance requirements
Experience & Qualifications
1. Bachelor's degree Information Technology, Networking
2. 4–5 years of relevant experience in IT infrastructure, system administration, network administration
3. Strong hands-on troubleshooting and problem-solving ability
4. Experience working with external vendors, ISPs, and technology partners
5. Good understanding of enterprise IT infrastructure and network security
6. Ability to work independently and take ownership of infrastructure issues
7. Good verbal and written communication skills
Preferred Certifications
Any of the following would be an advantage:
1. CCNA / CCNP
2. Microsoft Windows Server / Azure certifications
3. VMware certifications
4. ITIL Foundation
Pay: ₹600,000.00 - ₹800,000.00 per year
Work Location: In person
