Job description

We are looking for an experienced Senior System & Network Engineer to manage, maintain, secure, and optimise our organization's IT infrastructure. The ideal candidate should have strong hands-on experience in network administration, Windows and Linux servers, firewalls, VPNs, Active Directory, and IT security.

The candidate should also be familiar with AI-powered tools and automation to improve infrastructure monitoring, troubleshooting, incident management, and day-to-day IT operations.

Location: Ahmedabad, Gujarat

Experience: 4–8 Years

Department: IT Infrastructure / IT Operations

Key Responsibilities

Manage, monitor, and maintain enterprise LAN, WAN, Wi-Fi, network switches, routers, and other network infrastructure.
Configure and troubleshoot Cisco Layer 2/Layer 3 switches, VLANs, routing, ACLs, DHCP, and DNS.
Administer and maintain Windows Server, Linux servers, Active Directory, Group Policy, and user access management.
Configure, manage, and troubleshoot firewalls, UTM appliances, VPNs, and network security policies, preferably using Sophos.
Monitor network performance, availability, bandwidth utilisation, and security events to ensure smooth IT operations.
Manage and troubleshoot Wi-Fi access points, CCTV cameras, VoIP systems, LAN cabling, and desktop connectivity.
Perform Windows and Linux OS installation, configuration, patching, upgrades, and troubleshooting.
Maintain Microsoft Outlook, Microsoft 365, and other enterprise applications.
Monitor security alerts, identify potential threats, and support vulnerability management and incident response.
Manage IT assets, backups, system updates, access controls, and infrastructure documentation.
Coordinate with internet service providers, hardware vendors, and other service providers to resolve infrastructure issues.
Perform root cause analysis and implement preventive measures to minimise recurring incidents and downtime.
Support IT infrastructure upgrades, migrations, capacity planning, and disaster recovery activities.
Use AI-powered tools and automation to improve IT support, troubleshooting, monitoring, and operational efficiency.

Required Technical Skills

Networking: Strong knowledge of LAN, WAN, TCP/IP, DNS, DHCP, VLANs, routing, switching, ACLs, and network troubleshooting.
Network Security: Hands-on experience with firewalls, UTM, VPN, access control, intrusion detection, and security best practices.
Network Devices: Experience configuring and managing Cisco switches, routers, Wi-Fi access points, and other network equipment.
Wi-Fi & Wireless Networking: Strong understanding of Wi-Fi concepts, including 2.4 GHz, 5 GHz and 6 GHz bands, Wi-Fi standards (802.11 a/b/g/n/ac/ax), SSID, wireless security (WPA2/WPA3), channel planning, bandwidth, roaming, signal strength, and interference troubleshooting.
Ubiquiti UniFi: Hands-on experience with Ubiquiti UniFi access points, UniFi Network Controller, and cloud-based Wi-Fi configuration and management.
Cloud-Based Wi-Fi Management: Knowledge of configuring and managing wireless networks through cloud dashboards, including SSID creation, VLAN mapping, guest Wi-Fi, bandwidth limits, captive portals, access control, and firmware upgrades.
Wi-Fi Monitoring & Troubleshooting: Ability to monitor connected clients, access point health, signal strength, channel utilisation, wireless performance, and troubleshoot connectivity and coverage issues.
Wireless Network Security: Experience implementing secure Wi-Fi access, guest network isolation, client authentication, and integration with enterprise LAN and firewall policies.
Windows Administration: Knowledge of Windows Server, Active Directory, Group Policy, DNS, DHCP, and user management.
Linux Administration: Basic to intermediate experience with Linux installation, configuration, administration, and troubleshooting.
Firewall & VPN: Experience with Sophos or other enterprise firewall solutions, site-to-site VPNs, and remote-access VPNs.
Desktop Support: Strong troubleshooting skills for Windows desktops, laptops, printers, Outlook, and business applications.
IT Infrastructure: Knowledge of CCTV, VoIP, LAN cabling, patch panels, structured cabling, and hardware installation.
Monitoring & Security: Experience with network monitoring, log analysis, performance monitoring, and security incident handling.

AI & Automation Skills

Familiarity with AI-powered tools such as ChatGPT, Microsoft Copilot, or similar tools for IT troubleshooting and operational support.
Ability to use AI tools to analyse system logs, network errors, alerts, and incident reports.
Knowledge of scripting and automation using PowerShell, Bash, or Python for routine system administration tasks.
Understanding of AI-assisted incident analysis, root cause investigation, and IT documentation.
Familiarity with AI-powered IT monitoring, alert correlation, and AIOps concepts is an added advantage.
Ability to identify repetitive IT tasks and explore opportunities to automate them using scripts and AI-assisted workflows.

Preferred Qualifications

Bachelor's degree or diploma in Computer Science, Information Technology, or a related field.
CCNA/RHCA certification is preferred.
Microsoft Windows Server / Azure Administrator or relevant Microsoft certification is an advantage.
Sophos or other firewall vendor certification is an added advantage.
Experience working in an enterprise IT infrastructure or IT operations environment.
Good verbal and written communication skills.
Strong analytical, problem-solving, teamwork, and coordination skills.

Someone shared one job with you. ASAI keeps finding the rest.

Scored, not searched. Every role ranked against your actual profile.

Alerts as often as hourly. Reach new roles while the pile is still small.

Skill gaps, spelled out. See exactly which requirements you don't meet yet.

Verified jobs, only. Say no to ghost jobs. Your time deserves respect.