Network, Systems & Security Engineer Onsite Qatar

Job Description Network, Systems & Security Engineer – Onsite Qatar

Location: Qatar – Onsite
Employment Type: Full-Time
Experience: 3–5 Years
Travel Requirement: Candidate must be willing and able to travel to Qatar and work onsite for client assignments.

About the Role

We are looking for a skilled and hands-on Network, Systems & Security Engineer with 3–5 years of experience in managing enterprise IT infrastructure, network environments, servers, endpoint systems, and cybersecurity technologies.

The ideal candidate should have practical experience in network administration, Windows/Linux server administration, firewalls, VPNs, Active Directory, Microsoft 365, endpoint security, vulnerability management, backup, monitoring, and infrastructure troubleshooting.

The engineer will be responsible for supporting and maintaining client infrastructure, implementing security controls, troubleshooting network and system issues, performing security hardening, and ensuring the availability, performance, and security of IT environments.

This is a client-facing onsite role requiring travel to Qatar. The candidate should therefore be comfortable working directly at client locations, collaborating with client IT/security teams, and handling infrastructure and security activities independently.

Key Responsibilities

• Install, configure, administer, monitor, and troubleshoot enterprise network and system infrastructure.
• Configure and manage routers, switches, firewalls, wireless access points, VPNs, VLANs, DNS, DHCP, NAT, and routing protocols.
• Administer Windows Server and Linux server environments.
• Manage Active Directory, Group Policy, DNS, DHCP, user accounts, permissions, and access controls.
• Support Microsoft 365 environments, including Exchange Online, Entra ID (Azure AD), SharePoint, Teams, and related services.
• Configure and manage firewalls, IDS/IPS, VPN gateways, endpoint security solutions, and other security technologies.
• Implement infrastructure and network security hardening in accordance with industry security best practices.
• Perform server and endpoint patching, configuration management, system upgrades, and vulnerability remediation.
• Support virtualisation environments such as VMware and Hyper-V.
• Monitor servers, networks, applications, storage, and security infrastructure for availability and performance.
• Investigate and troubleshoot network connectivity, server, endpoint, authentication, performance, and security issues.
• Perform vulnerability assessments and coordinate remediation of identified vulnerabilities.
• Support deployment and administration of EDR/XDR, antivirus, email security, web security, and endpoint protection technologies.
• Review security alerts and assist with investigation and response to security incidents.
• Configure and maintain system and network logging and support integration with SIEM and security monitoring platforms.
• Implement and maintain backup solutions and support backup restoration and disaster recovery testing.
• Maintain appropriate access controls and follow the principle of least privilege.
• Support infrastructure changes, upgrades, migrations, and implementation projects.
• Conduct periodic reviews of firewall rules, privileged accounts, system configurations, patches, and security controls.
• Maintain accurate network diagrams, asset inventories, configuration documentation, SOPs, troubleshooting guides, and technical documentation.
• Work closely with client infrastructure, cybersecurity, application, cloud, and support teams.
• Coordinate with technology vendors and service providers for troubleshooting and issue resolution.
• Provide onsite technical support and participate in client meetings as required.
• Follow change management, incident management, problem management, and information security processes.
• Ensure infrastructure and security activities comply with applicable organisational policies and security standards.
• Provide regular technical updates, incident reports, and implementation status reports to project and client stakeholders.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, Network Engineering, or a related field.
• 3–5 years of professional experience in network, systems, infrastructure, or security engineering.
• Strong hands-on knowledge of **TCP/IP, DNS, DHCP, VL…