Network Engineer (m/f/d)

Halian; Abu Dhabi; On-site; AED 334,800 - 558,000; Full time

Job summary

Halian is seeking a skilled Network Engineer with over 7 years of experience in enterprise networking. The ideal candidate will design and maintain critical infrastructure in Abu Dhabi, concentrating on security and optimization.

This role involves managing complex networks, configuring advanced protocols, and ensuring compliance with regulatory standards. Join us if you have expertise in Cisco, Juniper, and F5 technologies.

Qualifications

• 7+ years of hands-on experience in enterprise networking design and management.
• Advanced knowledge of Layer 2/3 networking protocols.
• Proven expertise with F5 Load Balancers and firewall operations.

Responsibilities

• Design, deploy, and optimize enterprise-grade network infrastructure.
• Troubleshoot complex network and security issues.
• Monitor network performance and support regulatory compliance.

Skills

Layer 2/3 protocol configuration

F5 Load Balancer management

Network security solutions

Troubleshooting and diagnostics

Tools

Cisco Routers/Switches

Juniper Routers/Switches

FortiGate

Trellix (McAfee)

Efficient-IP DDI

Job description

Position: Network Engineer

Location: Abu Dhabi, UAE

Experience Required: 7+ Years – Relevant Experience (Not Net Total Experience)

Job Summary

We are seeking an experienced Senior Network Engineer with 7+ years of enterprise networking expertise to design, implement, and maintain critical infrastructure supporting banking and mission‑critical applications. This role combines hands‑on technical expertise with enterprise‑scale network security, cloud integration, and infrastructure optimization.

Key Responsibilities

• Design, deploy, and optimize enterprise‑grade network infrastructure supporting 24/7 business‑critical applications
• Configure and troubleshoot advanced Layer 2/3 networking protocols (VLAN, STP, HSRP, OSPF, BGP) across Cisco and Juniper platforms
• Implement and manage F5 load balancers, including LTM configuration, VIP creation, SSL offloading, health monitoring, and traffic distribution
• Deploy and operate network security solutions: firewalls (FortiGate, F5), email security gateways (Cisco ESA), and web security appliances (Cisco WSA)
• Administer Efficient‑IP DDI platforms for centralized DNS, DHCP, and IP address management with Active Directory integration
• Configure and maintain Cisco ISE for policy‑based access control (802.1x, MAB) with compliance and posture assessment
• Manage Trellix (McAfee) endpoint protection platforms including ENS, EDR, DLP, and threat intelligence integration
• Monitor network performance, capacity planning, and optimization across infrastructure components
• Troubleshoot complex network and security issues including application availability, latency, and data flow problems
• Support regulatory compliance audits (banking, PCI‑DSS, ISO 27001) with infrastructure documentation
• Has to work as single person managing customer’s Network Experience

Required Qualifications

• 7+ years of hands‑on experience in enterprise networking design, deployment, and management
• Advanced knowledge of Layer 2/3 protocols: VLAN, STP, HSRP, OSPF, BGP
• Proven expertise configuring and troubleshooting Cisco and Juniper switches and routers
• Hands‑on experience with F5 Load Balancer (LTM, VIP, SSL offloading, health monitoring)
• Working knowledge of firewall operation and tuning (FortiGate, F5)
• Experience with email and web security appliances (Cisco ESA, Cisco WSA)
• Familiarity with enterprise DNS/DHCP/IPAM solutions (Efficient‑IP preferred)
• Knowledge of endpoint security and EDR solutions (Trellix/McAfee preferred)
• Strong troubleshooting and analytical skills with ability to diagnose complex network issues

Technical Skills

Enterprise Networking

• Advanced Layer 2/3 protocol expertise: VLAN, Spanning Tree Protocol (STP), Hot Standby Router Protocol (HSRP)
• Dynamic routing protocols: OSPF and BGP configuration, optimization, and troubleshooting
• Cisco and Juniper platform expertise: switch and router configuration, IOS/Junos management
• Network performance optimization, capacity planning, and traffic analysis

Load Balancing (F5 LTM)

• F5 BIG‑IP LTM configuration and management
• Virtual IP (VIP) creation and traffic distribution across backend servers
• SSL/TLS offloading and certificate management
• Health checks, connection pooling, and session persistence (sticky sessions)

Network Security & Firewalls

• Firewall deployment, operation, and policy tuning (FortiGate, F5 AFM)
• Intrusion detection/prevention and advanced threat protection
• DDoS mitigation and traffic filtering strategies

Email & Web Security

• Cisco Email Security Appliance (ESA) design, deployment, and operation
• Advanced email threat protection: spam filtering, antivirus, graymail, URL filtering
• Cisco Web Security Appliance (WSA) configuration for web filtering and content inspection
• DLP policy enforcement and email encryption

Endpoint Security & EDR

• Trellix (McAfee Enterprise) platform administration: ENS, EDR, DLP, ePO
• Endpoint protection policy deployment and threat prevention module tuning
• Integration with email/web gateways and threat intelligence feeds

DNS, DHCP & IPAM

• Efficient‑IP DDI (DNS, DHCP, IPAM) platform deployment and administration
• Centralized management of DNS zones, DHCP scopes, and IP address allocations

Active Directory integration for dynamic DNS updates and role‑based access