Senior IT Specialist
Krav:PHPSecurityRemote
- Design, implement, and maintain enterprise network infrastructure.
- Configure and troubleshoot Layer 2/Layer 3 switching and VLANs.
- Manage and maintain Sophos Firewalls, including VPNs, NAT, security policies, IPS, web filtering, SD-WAN, and traffic shaping.
- Deploy and manage MikroTik routers.
- Administer Omada Controller and wireless infrastructure.
- Install, configure, and maintain Linux servers (Ubuntu).
- Manage DNS, DHCP, NTP, SMTP, FTP, SSH, and other network services.
- Configure and renew SSL/TLS certificates for internal and external services.
- Deploy and manage web hosting environments (Apache, Nginx, PHP, MySQL/MariaDB).
- Manage domain hosting and website infrastructure.
- Deploy and maintain VoIP/IVR systems.
- Install, configure, and troubleshoot CCTV systems and NVRs.
- Manage biometric/access control systems.
- Administer Google Workspace (G Suite), including users, groups, security policies, and email services.
- Deploy and maintain TrueNAS storage solutions, including SMB, snapshots, and backup.
- Implement backup and disaster recovery solutions.
- Monitor infrastructure performance and security.
- Troubleshoot complex infrastructure issues and perform root cause analysis.
- Document infrastructure, configurations, SOPs, and network diagrams.
- Work closely with vendors and internal teams to deliver IT projects.
- Ensure infrastructure availability, security, and compliance with best practices.
Networking
- Layer 2 & Layer 3 Switching
- TCP/IP
- VLANs
- STP
- DHCP
- DNS
- NAT
- VPN
- Network troubleshooting
Security
- Sophos Firewall
- Site-to-Site VPN
- Remote Access VPN
- IPS
- Web Filtering
- SSL Inspection
- Traffic Shaping
Wireless
- Omada Controller
- Access Point deployment
- Wireless optimization
Linux
- Ubuntu
- Bash scripting
- Systemd
- SSH
- Cron
- Package management
- Service troubleshooting
Web Hosting
- Apache
- Nginx
- PHP
- MySQL/MariaDB
- DNS Hosting
- SSL Certificates
- Virtual Hosts
Collaboration
- Google Workspace (G Suite)
- User Management
- Email Administration
- Security Policies
Storage Communication Systems
- VoIP
- IVR
Security Systems
- CCTV
- NVR
- DVR
- Access Control Systems
- Biometric Devices