System & Network Administrator

Buy4earn Retail; Ranchi; Hybrid; INR 400,000 - 1,000,000; Full time

Job summary

Buy4earn Retail is seeking a System & Network Administrator with about 3 years of hands-on experience to manage IT infrastructure, servers, networks, and security. The role covers Windows/Linux administration, AD/DNS/DHCP, backup, and end-user support across a dynamic IT environment.

The ideal candidate will troubleshoot effectively, maintain documentation, and ensure uptime while coordinating with vendors and staff. A Bachelor’s degree and relevant certs are preferred.

Qualifications

• 3+ years hands-on IT experience.
• Strong Windows/Linux administration skills.
• Experience with AD, DNS, DHCP, and GPO.

Responsibilities

• Install, configure, and maintain Windows Server and Linux systems.
• Manage LAN/WAN, switches, routers, and security devices.
• Ensure backups, disaster recovery, and IT security controls.
• Provide Level 1/2 IT support and on-site assistance as needed.

Skills

Windows OS

Linux Admin

Active Directory

DNS

DHCP

Group Policy

TCP/IP

LAN/WAN

VLAN

VPN

NAT

Routing & Switching

Cybersecurity

Microsoft 365

VMware

Hyper-V

Education

Bachelor's degree in Computer Science/IT

CCNA

CompTIA Network+

CompTIA Security+

Tools

VMware

Hyper-V

Microsoft 365

Firewall Config

DNS/DHCP Servers

Job description

JOB DESCRIPTION

Position: System & Network Administrator

Experience: 3+ Years

Employment Type: Flexible Hour

Department: Information Technology / IT

Location:

Reporting to:

About the Role

We are looking for a skilled and proactive System & Network Administrator with around 3 years of hands-on experience in managing IT infrastructure, servers, computer systems, networks, security, and end-user support. The ideal candidate should have strong troubleshooting skills and practical experience in maintaining Windows/Linux systems, LAN/WAN networks, network devices, backups, cybersecurity, and IT infrastructure.

Key Responsibilities

1. System Administration

• Install, configure, maintain, and troubleshoot desktop computers, laptops, workstations, and operating systems.
• Administer Windows Server and Linux environments.
• Manage user accounts, permissions, groups, and access policies.
• Manage Active Directory, Group Policy, DNS, and DHCP.
• Monitor system performance, availability, and resource utilization.
• Perform operating system updates, patches, upgrades, and security fixes.
• Install and manage software applications and licenses.
• Maintain system documentation, asset records, and configuration details.

2. Network Administration

• Configure, monitor, and troubleshoot LAN/WAN/Wi-Fi networks.
• Manage network switches, routers, firewalls, access points, and other network devices.
• Troubleshoot connectivity, IP addressing, DNS, DHCP, routing, and network performance issues.
• Configure and maintain VLANs, VPNs, NAT, and basic routing.
• Monitor network availability and identify potential network failures.
• Coordinate with Internet Service Providers and external vendors for connectivity-related issues.
• Ensure network infrastructure is secure, reliable, and properly documented.

3. IT Security

• Implement and maintain basic IT security controls.
• Manage antivirus/endpoint protection and security updates.
• Monitor unauthorized access, suspicious activities, and security incidents.
• Maintain firewall and access-control policies.
• Ensure regular password and access-management practices.
• Assist with vulnerability management and security audits.
• Educate employees regarding basic cybersecurity practices, phishing, password security, and safe use of IT resources.

4. Backup & Disaster Recovery

• Configure and monitor regular data and system backups.
• Verify backup integrity and resolve backup failures.
• Maintain backup schedules and documentation.
• Assist in disaster recovery and system restoration activities.
• Ensure critical business data is protected against accidental deletion, hardware failure, or cyber incidents.

5. Technical Support

• Provide Level 1/Level 2 technical support to employees.
• Troubleshoot hardware, software, operating system, printer, email, and network-related issues.
• Diagnose and resolve IT problems within defined service timelines.
• Maintain IT helpdesk/ticket records.
• Provide remote and on-site technical assistance where required.

6. IT Infrastructure & Asset Management

• Maintain inventory of computers, servers, networking equipment, printers, and other IT assets.
• Track hardware allocation, warranties, licenses, and maintenance.
• Coordinate installation and maintenance of IT equipment.
• Liaise with hardware/software vendors and service providers.
• Recommend hardware, software, and infrastructure upgrades where required.

Required Skills

• Strong knowledge of Windows 10/11 and Windows Server.
• Working knowledge of Linux administration.
• Hands‑on experience with Active Directory, DNS, DHCP, and Group Policy.
• Good understanding of TCP/IP, LAN/WAN, VLAN, VPN, NAT, routing, and switching.
• Experience with routers, switches, firewalls, Wi‑Fi access points, and network troubleshooting.
• Knowledge of system backup and recovery procedures.
• Understanding of endpoint security, antivirus, firewalls, and basic cybersecurity.
• Good hardware and software troubleshooting skills.
• Knowledge of Microsoft 365 / Office 365 administration will be an advantage.
• Knowledge of virtualization platforms such as VMware or Hyper‑V will be an advantage.
• Good documentation and communication skills.

Educational Qualification

• Bachelor's degree/diploma in Computer Science, Information Technology, Computer Applications, or a related field.
• Relevant certifications such as CCNA, CompTIA Network+, CompTIA Security+, Microsoft, or Linux certifications will be an advantage.

Experience

• Minimum 3 years of relevant experience in system administration, network administration, IT infrastructure, or technical support.
• Candidates should have practical hands‑on experience rather than purely theoretical knowledge.

Key Competencies

• Strong analytical and troubleshooting skills.
• Ability to work independently and manage multiple IT issues.
• Good communication and interpersonal skills.
• Ability to prioritize critical IT incidents.
• Strong attention to security and data protection.
• Willingness to learn new technologies.
• Ability to coordinate effectively with employees, management, vendors, and service providers.

Key Performance Indicators (KPIs)

• Network and system uptime.
• Resolution time for IT incidents.
• Successful completion of scheduled backups.
• Reduction in recurring IT issues.
• Timely security updates and patch management.
• IT asset and license accuracy.
• User satisfaction with IT support.
• Compliance with IT security and backup procedures.

Salary

4 -10 LPA, depending on experience, technical skills, and interview performance.