Network & System Security Engineer

VINCI Energies Oil & Gas; Abu Dhabi; Híbrido; AED 180.000 - 240.000; Jornada completa

Descripción de la vacante

VINCI Energies Oil & Gas is seeking a Network & System Security Engineer to secure and maintain IT and OT network infrastructure for a key client in the UAE. You will manage firewalls, VPNs, and security platforms, perform hardening, and coordinate with IT and security teams to ensure continuous operations.

The role requires 2–5 years in network security, a relevant degree, and hands-on experience with Fortinet or Palo Alto.

Formación

• 2–5 years of experience in network security or cybersecurity operations.
• Bachelor's degree in cybersecurity, IT, network engineering or related field.
• Hands-on experience configuring enterprise firewalls, VPNs and network security solutions (Fortinet or Palo Alto preferred).
• Knowledge of TCP/IP, routing, switching, VLANs, segmentation and access control.
• Windows/Linux security administration, Active Directory and endpoint security.
• Familiarity with security monitoring, vulnerability management and incident response.
• Knowledge of ISO 27001, NIST CSF or IEC 62443; OT/ICS or Oil & Gas experience is a plus.
• Certifications such as CCNA, Fortinet FCP, Palo Alto PCNSA or CompTIA Security+ advantageous.

Responsabilidades

• Configure, administer and maintain network security solutions (firewalls, VPNs, IDS/IPS, NAC).
• Implement network segmentation, firewall rules and secure remote connectivity across IT/OT.
• Perform security hardening of Windows/Linux servers and network devices.
• Monitor security alerts, investigate events and support incident response.
• Conduct vulnerability assessments, coordinate patching and remediation.
• Review security changes, troubleshoot issues and ensure operational continuity.
• Coordinate with IT, cybersecurity teams and vendors to resolve issues.
• Maintain documentation, diagrams, configurations and incident reports.

Conocimientos

Network security

Firewall config

VPN management

Windows security

Linux security

Active Directory

Incident response

Vulnerability mgmt

Security monitoring

Security standards

Educación

Bachelor's degree in cybersecurity, IT, network engineering

Herramientas

Fortinet

Palo Alto

AD tooling

Descripción del empleo

Axians Emirates, an operational entity of Cegelec Abu Dhabi (a subsidiary of VINCI Energies), delivers a wide range of ICT solutions and services, covering telecommunications, IT infrastructure, cybersecurity, and digital transformation.

Our expertise spans the design, engineering, integration, and deployment of Telecom, IT, and Cybersecurity solutions, as well specialized consulting services in Cybersecurity and Digital Transformation, helping organizations strengthen their security posture and modernize their operations.

Beyond project delivery, we also provide IT Managed Services, taking responsibility for the day‑to‑day operation, maintenance, support, and continuous improvement of our clients' IT infrastructure and systems.

With a strong presence in critical sectors, including oil & gas and defense, Axians Emirates combines technical expertise, consulting capabilities, and long‑term operational support to deliver solutions tailored to each client's needs.

We are seeking a Network & System Security Engineer to support one of our clients in securing and maintaining network and system infrastructure, including IT and OT environments. The role involves managing network security solutions, implementing security controls, monitoring security events, supporting incident response, and ensuring the availability and security of critical systems.

Responsibilities

• Configure, administer and maintain network security solutions, including firewalls, VPNs, IDS/IPS, network access control and other security platforms.
• Implement and maintain network segmentation, firewall rules, access controls and secure remote connectivity across IT and relevant OT environments.
• Perform security hardening of Windows/Linux servers, network devices and supporting infrastructure in line with approved security standards.
• Monitor security alerts, logs and network activity, investigate suspicious events and support cybersecurity incident response.
• Conduct vulnerability assessments, coordinate patching and remediation activities, and verify the effectiveness of security measures.
• Review and implement security‑related changes, troubleshoot network and system security issues, and ensure operational continuity.
• Coordinate with IT teams, cybersecurity teams and technology vendors to resolve technical issues and support security improvements.
• Maintain technical documentation, network diagrams, security configurations, operational procedures and incident reports.

Requirements

• 2–5 years of relevant experience in network security, infrastructure security, systems administration or cybersecurity operations.
• Bachelor's degree in cybersecurity, IT, network engineering or a related field.
• Hands‑on experience configuring and managing enterprise firewalls, VPNs and network security solutions, preferably Fortinet or Palo Alto.
• Good understanding of TCP/IP, routing, switching, VLANs, network segmentation and access control.
• Practical knowledge of Windows/Linux security administration, system hardening, Active Directory and endpoint security.
• Familiarity with security monitoring, vulnerability management and incident response processes.
• Knowledge of cybersecurity standards and frameworks such as ISO 27001, NIST CSF or IEC 62443 would be an advantage.
• Experience in OT/ICS environments, critical infrastructure or the Oil & Gas sector would be an advantage.
• Relevant certifications such as CCNA, Fortinet FCP, Palo Alto PCNSA or CompTIA Security+ would be an advantage.

Why join us ?

Our DNA: Trust, Entrepreneurial Spirit, Solidarity, Autonomy, Responsibility

Joining us means becoming part of a large group while enjoying the agility and warmth of a human‑sized group!

A personalized onboarding journey from day one, with tailored career follow‑up

Opportunities for growth, training, and mobility within a fast‑growing international group

Close and supportive management

Recognition of employee performance through a company savings plan

Pride in shared achievements

Respect for the environment and local communities in the countries where we operate (Human Rights Guide)

Commitment to the health and safety of our employees

At VINCI Energies Oil & Gas, CSR initiatives are deeply embedded in our activities, our ways of working, and ultimately, in our DNA