Job Title: System Administrator

Location: Pune

Experience Required: 4+ years in IT Infrastructure & Network Operation

Job Summary

We are looking for a hands-on Network Engineer with technical expertise in managing and supporting enterprise IT infrastructure. The ideal candidate will have practical experience in network administration, Linux-based environments, Windows endpoints, and virtualization platforms.

This role operates in a hybrid infrastructure environment with Linux (Samba-based Active Directory/LDAP), Windows endpoints, firewall security controls

Key Responsibilities

Network, Security & Monitoring

- - Administration of Fortinet firewalls, including policy configuration, VPNs, and security controls
- Configure and support network components such as VLANs, routing, switching, and VPNs
- Implement and manage network and infrastructure monitoring tools for proactive incident detection and performance management
- Support and enforce network security controls, including IDS/IPS, MFA, and access restrictions
- Identify, troubleshoot, and resolve network performance, connectivity, and security issues

Systems & Infrastructure Management

- - Work in Windows and Linux-based environments (RHEL, CentOS,



Ubuntu) and support core services
- Administer Active Directory, Desktop management along with Windows endpoints
- Manage DNS, Group Policies (GPO), identity & access management, and user lifecycle activities
- Perform desktop and server installation, patching, upgrades, performance tuning, and troubleshooting
- Support virtualization platforms and desktop infrastructure
- Handle backup, restoration, and system availability activities

Email, Access & Security Exposure

- - Provide support for email platforms such as Office 365, Zoho, or similar
- Administration of SSO, VPN access, identity management, and access control mechanisms
- Ensure adherence to IT security and cybersecurity best practices across infrastructure

Additional Requirements

- - Robust interpersonal skills with the ability to collaborate across cross-functional teams
- Excellent communication skills (verbal and written English)
- Ability to work under pressure during critical incidents and planned maintenance activities
- Willingness to work in a 24x7 rotating shift environment

📌 System Admin (Pune)
🏢 Cogneesol
📍 Pune