• Design, implement, and maintain a secure and efficient network infrastructure, including
routers, switches, firewalls, and other networking devices.
• Monitor network performance, identify bottlenecks, and implement solutions to
optimize network utilization and cost.
• Manage and maintain the company's mail servers (Postiix) and ensure the smooth
delivery and backup of email services, both on-premises and in the cloud.
• Configure, maintain, and optimize the company's backup solutions (Vinchin) for servers,
virtual machines, and endpoints.
• Administer and maintain Linux (Ubuntu) servers, including domain controllers, file
servers, and other critical servers.
• Implement and maintain network security measures, including firewalls, VPNs, and
access controls, to safeguard the company's data and resources.
• Configure and maintain the company's VOIP and remote access solutions, ensuring
reliable connectivity for employees and clients.
• Collaborate with the IT team to ensure seamless integration of network services with
other IT systems and applications.
• Perform regular network audits, identify vulnerabilities, and implement appropriate
remediation measures.
• Develop and maintain comprehensive documentation for network configurations,
policies, and procedures.
• Stay up-to-date with emerging networking technologies and industry best practices, and
recommend improvements or upgrades as necessary.
• Provide technical support and guidance to the IT helpdesk team and other employees
regarding network-related issues.
• Manage and optimize the company's AWS cloud infrastructure, including Virtual Private
Clouds (VPCs), subnets, and security groups.
 

• Bachelor's degree in Computer Science, Information Technology, or a related field, orequivalent work experience.• Minimum of 3 years of experience in network administration and management, with afocus on mail services, backup solutions, and Linux server configurations.• Solid understanding of networking protocols, routing, switching, and network securityconcepts.• Experience with network monitoring and management tools (e.g., PRTG, NTOPNG).• Familiarity with virtualization technologies, such as VMware vSphere or Hyper-V.• Knowledge of firewalls, VPNs, and remote access solutions (e.g., ExpressVPN, RemoteVPN Service, Mesh Central).• Experience with VOIP systems and technologies (e.g., VMS).• Strong problem-solving and analytical skills, with the ability to identify and resolvenetwork-related issues promptly.• Excellent communication and documentation skills.• Ability to work independently and as part of a team.• Experience with AWS cloud services and infrastructure management.• Proficient in Linux (Ubuntu) server administration and configuration.• Experience with mail server sotiware (Postiix) and backup solutions (Vinchin) is a plus.Desired Certifications:CCNA, CCNP, or equivalent networking certificationsVMware Certified Professional (VCP) or Microsoft Certified Solutions Associate (MCSA)AWS Certified Solutions Architect (Associate or Professional) or AWS Certified Cloud PractitionerLinux Professional Institute Certification (LPIC) or Red Hat Certified System Administratorregarding network-related issues.• Manage and optimize the company's AWS cloud infrastructure, including Virtual PrivateClouds (VPCs), subnets, and security groups.