System and Windows Administrator

System and Network Administrator

• Manage, monitor, and maintain Windows/Linux servers (on-prem and cloud).
• Ensure uptime and performance of critical services including Active Directory, DNS, DHCP, and file servers.
• Perform OS patching, upgrades, and routine maintenance with minimal downtime.
• Automate administrative tasks using PowerShell, Bash, or equivalent scripting tools.

Network Administration

• Configure and maintain routers, switches, firewalls (e.g., Cisco, Fortinet, pfSense).
• Monitor network performance, troubleshoot connectivity issues, and optimize bandwidth usage.
• Ensure LAN/WAN performance, security, and availability across multiple sites.

Security & Compliance

• Implement and manage endpoint security, antivirus, firewalls, VPN, and IDS/IPS.
• Enforce role-based access, multi-factor authentication, and data encryption policies.
• Assist in audits, compliance documentation (HIPAA, ISO, etc.), and vulnerability assessments.

Cloud & Virtualization

• Administer cloud infrastructure (AWS, Azure, or OCI) including EC2/VMs, networking, and IAM.
• Manage VMware, Hyper-V, or Proxmox for virtual environments.
• Handle backups, snapshots, replication, and disaster recovery planning.

Support & Maintenance

• Act as L3 support for escalated infrastructure or network issues.
• Maintain system documentation, change logs, and standard operating procedures (SOPs).
• Provide IT support for deployments, migrations, and special projects.

Required Skills & Qualifications:

• Bachelor’s degree in Computer Science, IT, or equivalent experience.
• 7–8 years of proven experience in system and network administration.
• Strong hands-on knowledge of:
• Windows Server (2016/2019/2022), Linux (Ubuntu/CentOS)
• Active Directory, GPOs, DHCP/DNS, Exchange/SMTP services
• Networking protocols (TCP/IP, DNS, VPN, VLAN, etc.)
• Firewalls, routers, load balancers
• Experience with:
• Virtualization (VMware/Hyper-V)
• Cloud platforms (AWS, Azure, OCI)
• Backup tools (Veeam, Acronis, Bacula, etc.)
• Network monitoring tools (Nagios, Zabbix, PRTG)
• Microsoft Certified: Azure Administrator Associate
• Cisco Certified Network Associate (CCNA)
• CompTIA Security+ / Network+
• VMware VCP / Red Hat Certified Engineer (RHCE)

Soft Skills:

• Strong troubleshooting and root cause analysis skills.
• Ability to document processes, diagrams, and configurations clearly.
• Excellent communication, collaboration, and incident handling.