System Admin

Responsibilities:

IT Support & Incident Management

• Provide Level 1 & Level 2 support for Windows macOS and Linux users.
  

• Troubleshoot hardware software network VPN email and application issues.
  

• Manage incidents end-to-end including root cause analysis (RCA) and documentation.
  

• Handle P1/P2 incidents escalations and post-incident reviews.
  

• Ensure SLA compliance using ITSM tools (e.g. Jira Service Desk systems).
  

Network & Security Administration

• Configure and troubleshoot networking (TCP/IP DNS DHCP VPN routing switching).
  

• Manage firewalls including pfSense and other enterprise firewall solutions.
  

• Implement network security policies NAT rules VPN access and network segmentation.
  

Endpoint & MDM Management

• Manage endpoints using Microsoft Intune and other MDM solutions.
  

• Enforce security policies compliance standards encryption and application deployment.
  

• Support Windows and macOS device lifecycle management including onboarding and offboarding.
  

Monitoring & Operations

• Use monitoring tools such as Prometheus Grafana Zabbix or similar platforms.
  

• Configure alerts dashboards thresholds and system health monitoring.
  

• Reduce alert noise and improve system observability and operational efficiency.
  

System Administration

• Manage Windows Server (Active Directory DNS DHCP GPO IIS) and Linux systems (Ubuntu/RHEL).
  

• Perform system patching updates security hardening and performance tuning.
  

• Support identity management file systems and print services in enterprise environments.
  

Automation & Scripting

• Develop automation using PowerShell Bash or Python.
  

• Support Infrastructure as Code tools such as Ansible and Terraform.
  

• Improve operational efficiency through scripting runbooks and API automation.
  

IT Asset & Vendor Management

• Manage IT asset lifecycle including procurement inventory licensing and disposal.
  

• Coordinate with vendors for support maintenance and contract renewals.
  

Documentation & Reporting

• Maintain SOPs runbooks and technical documentation.
  

• Provide operational reports and system health/status updates to management.
  

Email & SMTP Security (SPF DKIM DMARC)

• Configure manage and troubleshoot SMTP email systems and deliverability issues.
  

• Implement and maintain email authentication protocols (SPF DKIM DMARC) to ensure secure email communication.
  

• Troubleshoot email flow issues such as spam filtering bounce backs blacklisting and delivery failures.
  

• Manage DNS records related to email security and domain domain protection.
  

• Support email platforms such as Microsoft 365 Google Workspace and SMTP relay services.
  

Cloud Infrastructure

• Manage cloud platforms including AWS Azure and Hetzner.
  

• Handle provisioning monitoring scaling and cost optimization.
  

• Support hybrid infrastructure and SaaS integrations.
  

Backup & Security

• Manage backup and restore operations and perform disaster recovery testing.
  
• Maintain endpoint security antivirus protection and email security systems.
  

Requirements

• 24 years of experience as a System Administrator Network Administrator or IT Support Engineer.
  

• Strong hands-on experience with Windows 10/11 macOS Windows Server (AD DNS DHCP GPO MDM).
  

• Good knowledge of Linux administration (CLI system services logs permissions networking).
  

• Understanding of networking concepts (TCP/IP DNS DHCP VPN routing switching firewalls).
  

• Experience with database basics and troubleshooting (MySQL PostgreSQL MSSQL).
  

• Familiarity with cloud platforms such as AWS (preferred) Azure OCI or Hetzner.
  

• Experience with monitoring tools (Zabbix Prometheus Grafana or similar).
  

• Knowledge of automation and orchestration tools such as Ansible (or equivalent).
  

• Hands-on scripting experience using PowerShell Bash or Python.
  

• Strong analytical troubleshooting and problem-solving skills.
  

• Excellent communication skills and ability to work in a team environment.
  

• Bachelors degree in Information Technology Computer Science or related field.
  

• Ensure SLA compliance using ITSM tools (e.g. Jira Service Desk tools).
  

Certifications (Preferred / Added Advantage):

• Microsoft Certified: Windows Server Hybrid Administrator Associate or equivalent
  
• Cisco Certified: CCNA (Cisco Certified Network Associate) or equivalent
  
• VMware Certified Professional (VCP)