We are looking for a Network Engineer to support the design, configuration, maintenance, and troubleshooting of network infrastructure for both internal environments and client-facing deployments.
This role requires strong networking fundamentals, hands-on experience with firewalls, routing, switching, VPNs, and network security, as well as the ability to interact professionally with clients. The successful candidate will help configure and support secure network environments, assist with firewall and VPN implementations, troubleshoot connectivity issues, and communicate technical solutions clearly to customers.
Key Responsibilities- Configure, maintain, and troubleshoot network infrastructure including routers, switches, firewalls, wireless systems, and VPNs.
- Support LAN, WAN, VLAN, routing, switching, NAT, DNS, DHCP, and IP addressing configurations.
- Assist with firewall rule creation, policy review, VPN setup, and secure remote access configuration.
- Apply network security best practices across firewall, VPN, segmentation, and access control configurations.
- Monitor network performance and implement measures to improve efficiency and reliability.
- Troubleshoot and resolve network issues promptly to minimize downtime.
- Work directly with clients to understand network requirements, constraints, and business needs.
- Configure client-side or customer-specific network components such as firewall rules, VPN tunnels, IP allowlists, NAT rules, and routing changes.
- Guide clients through required network changes in a clear and structured way.
- Troubleshoot client connectivity issues across VPNs, firewalls, cloud networks, and on-premise environments.
- Translate technical findings into clear explanations for both technical and non-technical stakeholders.
- Collaborate with IT and cybersecurity teams to ensure network compliance with security policies and best practices.
- Maintain up-to-date documentation of network configurations and procedures.
- Stay current with emerging networking technologies and incorporate them as appropriate.
Requirements
- Bachelor's degree in Computer Science, Information Technology, or related field.
- 1–4 years of experience in network engineering, network administration, infrastructure support, or a related technical role.
- Solid understanding of TCP/IP, routing, switching, VLANs, subnetting, DNS, DHCP, NAT, and VPN concepts.
- Hands-on experience with firewalls, VPNs, routers, switches, or wireless network equipment.
- Familiarity with firewall policy configuration and troubleshooting.
- Experience troubleshooting network issues using tools such as ping, traceroute, nslookup/dig, tcpdump, Wireshark, or firewall logs.
- Basic understanding of network security principles, including segmentation, least privilege, secure remote access, and access control.
- Ability to communicate clearly with clients and internal teams.
- Comfortable participating in client meetings and explaining technical topics in practical terms.
- Strong documentation skills.
- Good problem-solving skills and attention to detail.
- Experience with firewall platforms such as Fortinet FortiGate, Palo Alto Networks, Cisco ASA/Firepower, Check Point, Sophos, pfSense, or similar.
- Experience with cloud networking in OVH, AWS, Azure, or Google Cloud.
- Familiarity with site-to-site VPNs, IPsec, SSL VPN, remote access VPN, and client VPN configurations.
- Experience with SD-WAN or multi-site network environments.
- Knowledge of load balancers, reverse proxies, WAFs, or secure web gateways.
- Familiarity with network monitoring tools such as PRTG, Zabbix, SolarWinds, LibreNMS, Datadog, Grafana, or similar.
- Understanding of security standards or frameworks such as ISO 27001, CIS Benchmarks, SOC 2, or NIST.
- Certifications such as CCNA, Network+, Fortinet NSE, Palo Alto PCNSA, or equivalent.
- Experience working in a managed services, consulting, SaaS, or client-facing infrastructure role.
Benefits
- Competitive remuneration package adjusted to proven skills and experience;
- Excellent working conditions;
- Exposure to training and professional development capabilities, including the ability to engage in cutting-edge research;
- Exposure to international clients and collaborators.
Skills Required
- Bachelor's degree in Computer Science, Information Technology, or related field
- 1-4 years of experience in network engineering or related technical role
- Solid understanding of TCP/IP, routing, switching, VLANs, DNS, DHCP, NAT, and VPN concepts
- Hands-on experience with firewalls, VPNs, routers, switches, or wireless network equipment
- Experience troubleshooting network issues using tools such as ping and Wireshark
- Ability to communicate clearly with clients and internal teams
- Strong documentation skills
What We Do
SPHYNX offers products and solutions, and consulting services, in the areas of cyber intelligence, analytics, incident response, assurance, and certification. We provide customised and continuous security and privacy assessment solutions, covering the full range of socio-technical aspects of a modern enterprise, for internal risk management and/or external security audit and certification. Our solutions are based on our novel security assurance and certification platform and its advanced analytics and cyber intelligence. In addition, its consulting services, SPHYNX has expertise in providing customized solutions depending on client needs as well as more general training on analytics, security assessment and certification and cyber intelligence.
