IT System Administrator

Key Responsibilities

• Systems Administration Administer and support Linux and Windows Server environments
• Manage Linux CLI, Bash, PowerShell, SSH, WinRM, Active Directory, Group Policy, DNS, and DHCP. Perform system monitoring, troubleshooting, maintenance, and optimization
• Develop and maintain scripts and automation using Python, PowerShell, Bash, and SQL. Work with APIs, JSON, XML, CSV, Git, and system integrations
• Networking, Firewalls & Security Configure and troubleshoot TCP/IP, subnetting, VLANs, routing, switching, NAT, DNS, DHCP, and network segmentation
• Administer enterprise firewalls such as FortiGate, Sophos, Palo Alto, Cisco, or similar platforms
• Manage Site-to-Site VPN, Remote Access VPN, IPSec, SSL VPN, firewall policies, NAT, and port forwarding
• Apply cybersecurity best practices including system hardening, MFA, endpoint security, certificates, access control, and least-privilege principles
• Troubleshoot network connectivity, security, and access-related issues
• Cloud, Email & Business Applications Administer cloud environments such as Microsoft Azure, AWS, Oracle Cloud, or similar platforms
• Manage virtual machines, cloud networking, IAM, storage, backups, snapshots, monitoring, and security controls
• Administer Microsoft 365, Entra ID, Zoho Mail, Google Workspace, and email domains
• Manage email configuration including SPF, DKIM, DMARC, mail flow, and email security
• Support CRM and business applications such as Zoho CRM, Dynamics 365, Salesforce, HubSpot, or similar platforms
• Maintain a general working knowledge of Oracle APEX and databases such as MySQL, PostgreSQL, SQL Server, or Oracle Database
• Websites, Hosting & Domains Manage WordPress websites, including plugins, themes, users, backups, updates, and troubleshooting
• Maintain working knowledge of HTML and basic web technologies
• Manage Cloudflare, Cloudways, web hosting, DNS, SSL certificates, domains, subdomains, redirects, and nameservers
• Troubleshoot website availability, DNS, SSL, CDN, caching, hosting, and domain-routing issues
• Support website migrations and hosting-related activities
• IT Operations Manage IT infrastructure, users, vendors, ISPs, hardware suppliers, licenses, assets, hosting accounts, domains, and technical services across multiple countries
• Maintain technical documentation, network diagrams, asset records, backup procedures, monitoring, disaster recovery plans, and operational procedures
• Manage multiple incidents, projects, and priorities simultaneously
• Take ownership of technical issues from identification through resolution
• Provide hands-on technical support across different locations and technology environments
• Perform other related IT tasks as assigned

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field. 5+ years of relevant hands-on IT experience
• Strong practical experience in systems administration, networking, cloud infrastructure, cybersecurity, hardware, and IT operations
• Strong troubleshooting and problem-solving skills
• Ability to work independently and manage multiple priorities
• Practical hands-on experience is more important than certifications