Sr IT Administrator

Job highlights

• Shift

• Graduate (BE / BTech/BCA / BSc IT or equivalent)

• Preferred Certifications

• CCNA / CCNP,Fortinet NSE,Checkpoint (CCSA / CCSE),RHCE,Microsoft Certified,or a security certification such as Security+ or CEH. Disclaimer: This job posting has been aggregated from external source

• Experience

• Experience 5+ years

• Location GIFT City, Gandhinagar (Primary)

• Qualification Graduate (B.E./B.Tech/BCA/B.Sc IT or equivalent)

• Shift 10:00 AM to 06:30 PM

About the Role

We are looking for a hands-on Senior IT Administrator to run and secure our campus network and IT infrastructure. You will own day-to-day network operations, log monitoring and alerting, SIEM, and patch management, keeping our IT backbone highly available, secure, and audit-ready across offices and remote users.

Key Responsibilities

1. Network Management

• Configure, manage, and troubleshoot routers, firewalls (Fortinet, Checkpoint), and L2/L3 switches (Cisco/HP)
• Manage VLANs, STP, LACP, OSPF/BGP, NAT, and routing policies
• Maintain secure campus LAN/WAN with segmentation and zero-trust principles
• Manage site-to-site and remote access VPNs
• Ensure redundancy, HA, and failover handle L2/L3 incident resolution

2. Monitoring, Logging & Alerting

• Configure and maintain Zabbix monitoring and Grafana dashboards for network and infrastructure health
• Tune alerts to reduce noise and define escalation policies
• Analyse network performance and support capacity planning
• Review logs from firewalls, switches, servers, and endpoints to identify anomalies

3. SIEM & Security Operations

• Onboard log sources into the SIEM (Wazuh, Splunk, QRadar, Elastic, Sentinel, or similar)
• Build and tune correlation rules and use cases triage and escalate security incidents
• Coordinate vulnerability assessments and track remediation
• Run periodic firewall rule audits and policy optimisation

4. Patch Management & Hardening

• Own the patch lifecycle for Windows and Linux servers and endpoints: test groups, rollout, rollback, and compliance reporting
• Use patch tooling (WSUS/SCCM/Intune, Ansible, Red Hat Satellite, or equivalent)
• Apply server and endpoint hardening baselines

5. Server & Endpoint Administration

• Administer Windows Server and Linux environments, including Active Directory (GPO, DNS, DHCP, OU, RBAC) and file servers
• Manage endpoint onboarding, security compliance, and asset lifecycle
• Support email security and user access governance

6. Compliance, Backup & DR

• Support ISO 27001 and CMMI audit readiness with evidence, policies, and reviews
• Implement and test backup and disaster recovery strategies
• Maintain awareness of data loss prevention practices

Must-Have Skills

• Strong hands-on networking: VLAN, STP, LACP, OSPF, BGP, NAT, VPN
• Hands-on Fortinet and/or Checkpoint firewall configuration and troubleshooting
• Cisco/HP L2/L3 switch management
• Log analysis, monitoring, and alerting (Zabbix, Grafana)
• Working experience with a SIEM platform
• Patch management process and tooling for Windows and Linux
• Windows Server, Linux, and Active Directory administration
• Backup and recovery implementation
• Understanding of zero trust and endpoint protection

Good to Have

• Kubernetes exposure (network policies, ingress, basic troubleshooting)
• VMware/KVM virtualisation
• Scripting/automation: PowerShell, Bash, Ansible
• Prior exposure to ISO 27001 / CMMI audits

Preferred Certifications

CCNA/CCNP, Fortinet NSE, Checkpoint (CCSA/CCSE), RHCE, Microsoft Certified, or a security certification such as Security+ or CEH.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.