System Administrator 2

Experience Required: 35 Years

Key Responsibilities:

• Configure, manage, and monitor enterprise firewalls, including Fortinet and Sophos.
• Implement and manage LAN/WAN, VLANs, routing, switching, NAT, DNS, and DHCP.
• Configure and maintain IPsec/SSL VPNs for secure remote access and site-to-site connectivity.
• Enforce network security controls, including network segmentation, access control policies, and intrusion prevention.
• Monitor network performance and troubleshoot connectivity and performance issues.
• Administer Linux systems, Ubuntu etc.
• Install, configure, and maintain mail servers (Postfix, Sendmail, etc.).
• Perform system hardening, patch management, and performance tuning.
• Monitor system logs and troubleshoot operating system and application-related issues.
• Manage user accounts, permissions, and SSH security.
• Deploy and manage infrastructure on AWS and Microsoft Azure.
• Configure cloud networking, including VPCs, VNets, subnets, gateways, and NSGs.
• Manage cloud compute resources, storage, and security controls.
• Implement IAM policies, access controls, and secure cloud configurations.
• Support hybrid connectivity between on-premises and cloud environments.
• Monitor cloud resources and optimize performance and costs.
• Administer Windows Server 2016 and 2022 environments.
• Manage Active Directory (AD), Group Policy (GPO), DNS, and DHCP.
• Administer Microsoft 365 (Office 365), including Exchange Online, Teams, and SharePoint.

Required Skills:

• 3–5 years of relevant experience in infrastructure and network administration.
• Hands-on experience with Fortinet and/or Sophos firewalls.
• Strong Linux administration skills, particularly Ubuntu.
• Experience working with AWS and/or Microsoft Azure cloud platforms.

Good understanding of IT security best practices, system hardening, and access management.