L3 Systems Engineer | Flint International | Riyadh, Saudi Arabia

Flint International; Riyadh; On-site; SAR 262,467 - 337,457; Full time

Job summary

Flint International is looking for an L3 Systems Engineer to enhance mission-critical IT infrastructures in Riyadh. This pivotal role ensures high availability and operational stability across enterprise systems using advanced technologies like F5 Load Balancers and VMware virtualization. Candidates should possess strong Linux and networking skills, with experience in troubleshooting and systems administration. The job requires working with a senior technical team committed to improving service quality and business continuity through detailed documentation and close collaboration across departments.

Qualifications

• Extensive hands-on experience with F5 Load Balancers (LTM/GTM).
• Proven expertise in Infoblox DNS/DHCP administration.
• Strong Linux system administration skills (CentOS / RedHat).
• Solid experience managing VMware ESXi and vCenter infrastructure.
• In-depth knowledge of networking protocols including BGP, OSPF, VLANs.
• Excellent analytical and problem-solving abilities.

Responsibilities

• Design, implement, and manage enterprise solutions using F5 LTM/GTM.
• Lead advanced troubleshooting for complex system and network issues.
• Configure and manage routing and switching protocols.
• Perform regular system maintenance, patching, and performance tuning.
• Develop detailed technical documentation and troubleshooting guides.
• Collaborate with network, security, and operations teams.

Skills

F5 Load Balancers configuration and troubleshooting

Infoblox DNS/DHCP administration

Linux system administration (CentOS / RedHat)

VMware ESXi and vCenter management

Networking protocols (BGP, OSPF, VLANs)

Analytical and problem-solving abilities

Job description

Job Title: L3 Systems Engineer | Flint International | Riyadh, Saudi Arabia. Type: Contract (Yearly Renewable).

Position Summary

Flint International is seeking a highly skilled L3 Systems Engineer to support and enhance complex, mission‑critical IT and network infrastructures in Riyadh. This role is pivotal in ensuring high availability, performance optimization, and operational stability across large‑scale enterprise systems.

Detailed Job Description

As an L3 Systems Engineer, you will operate within a senior technical team responsible for designing, implementing, and supporting highly available systems and network platforms. You will work on advanced technologies including F5 Load Balancers, Infoblox DNS/DHCP, VMware virtualization, and Linux‑based systems in a demanding enterprise environment. The role requires deep troubleshooting expertise, proactive system maintenance, and close collaboration with network and infrastructure teams. You will also play a key role in documentation, change planning, and system improvement initiatives that directly impact business continuity and service quality.

Key Responsibilities

• Design, implement, and manage enterprise solutions using F5 LTM/GTM, Infoblox DNS/DHCP, and VMware ESXi/vCenter.
• Lead advanced troubleshooting for complex system and network issues, ensuring rapid resolution and minimal downtime.
• Configure, manage, and support routing and switching protocols including BGP, OSPF, ISIS, VLAN, VRRP, and HSRP.
• Perform regular system maintenance, patching, upgrades, and performance tuning for Linux and VMware environments.
• Develop and maintain detailed technical documentation, SOPs, and troubleshooting guides.
• Collaborate closely with network, security, and operations teams to support daily operations and project delivery.

Required Qualifications & Skills

• Extensive hands‑on experience with F5 Load Balancers (LTM/GTM) configuration and troubleshooting.
• Proven expertise in Infoblox DNS/DHCP administration within enterprise environments.
• Strong Linux system administration skills (CentOS / RedHat).
• Solid experience managing VMware ESXi and vCenter infrastructure.
• In‑depth knowledge of networking protocols including BGP, OSPF, ISIS, VLANs, VRRP, and HSRP.
• Excellent analytical and problem‑solving abilities with experience in large‑scale systems.

Nice-to-Have Skills

• Experience supporting high‑availability or carrier‑grade environments.
• Exposure to automation or scripting (Bash, Python, or similar).
• Knowledge of ITIL‑based operational processes.
• Experience working in telecom or service provider environments.

Recruitment Pro Tip

Candidates who clearly demonstrate hands‑on troubleshooting scenarios with F5, Infoblox, and VMware in large‑scale environments—and quantify their impact on uptime or performance—tend to stand out quickly during shortlisting and technical interviews.