Network Engineer & System Administrator

About the role

Rudra Cybersecurity is looking for a skilled Network Engineer & System Administrator to support its MarineSecure platform, a specialised networking and security solution for the maritime industry. You will work across system administration, network engineering and advanced technical support, collaborating with development, cybersecurity and maritime communication teams.

Key responsibilities

• Provide Level 3 technical support for the MarineSecure platform, troubleshooting complex networking, system and cybersecurity incidents.
• Administer, configure and maintain Linux and Windows servers as well as cloud environments (AWS, GCP).
• Manage internal and client network infrastructure, including firewalls, VPNs, routers, switches and Wi‑Fi systems.
• Monitor and optimise system and network performance to ensure high availability and business continuity.
• Implement security measures such as patches, updates and secure configurations; design network topologies, VLANs and secure tunnels.
• Document configurations, procedures and operational changes; contribute to cybersecurity hardening projects.

Required profile

• 2+ years of experience in network engineering, system administration and technical support.
• Strong understanding of TCP/IP, DNS, DHCP, VPN, VLAN, routing and switching.
• Hands‑on experience with Linux (Ubuntu/CentOS/RHEL) and Windows Server environments.
• Familiarity with firewalls, IDS/IPS and endpoint security tools.
• Experience with virtualization platforms (e.g., Proxmox) and cloud services (AWS, GCP).
• Excellent troubleshooting, analytical and documentation skills.

Required skills

• Linux system administration (Ubuntu/CentOS/RHEL)
• Windows Server administration
• Cloud platforms: AWS, GCP
• Virtualisation: Proxmox
• MikroTik RouterOS (plus)
• Firewall configuration
• IDS/IPS
• VPN technologies
• Network monitoring and optimisation
• TCP/IP, DNS, DHCP, VLAN, routing, switching