Senior Network and Security Engineer

CNS Middle East; Abu Dhabi; On-site; AED 357,000 - 670,000; Full time

Job summary

CNS Middle East in the UAE seeks a Senior Enterprise Security Engineer to design, deploy, and hand over security and data-centre projects. You will lead end-to-end implementations, work with Next-Gen Firewalls, Zero Trust, NAC, F5, and Cisco ACI, and serve as the technical escalation point.

The role requires 10+ years in enterprise networking, 5+ years delivering security projects in the UAE/GCC, and certifications such as CCNP Security, PCNSE, Fortinet NSE 7, and F5 CST.

Qualifications

• Bachelor's degree in Computer Science, Electrical/Telecom Engineering or IT.
• CCNP Security or CCNP Enterprise / Data Center.
• Certifications: PCNSE, Fortinet NSE 7, F5 CST.
• At least 10 years in enterprise networking with 5+ years delivering security projects.
• GCC/UAE experience preferred.

Responsibilities

• Design and architecture documentation (HLD/LLD) for security and data-centre solutions.
• Lead end-to-end deployments and migrations with minimal downtime.
• Integrate security platforms with AD/LDAP/RADIUS/TACACS, PKI, SIEM and SOAR.
• Provide L3 escalation, incident root-cause analysis, and post-go-live support.
• Support pre-sales with BoQ/SOW/RFP responses.
• Present status to stakeholders and ensure knowledge transfer.

Skills

Network security engineering

Enterprise networking

Threat and vulnerability management

Design documentation

Pre-sales support

Education

Bachelor's degree in Computer Science, Electrical/Telecom Engineering or IT

CCNP Security

CCNP Enterprise / Data Center

PCNSE

Fortinet NSE 7

F5 Certified Technology Specialist (301/302/303)

Tools

Cisco ACI

F5 BIG-IP

AD/LDAP/RADIUS/TACACS

SIEM/SOAR

Job description

Design deploy and hand over enterprise security and data-centre projects for CNS customers across the UAE. The role is hands-on the engineer leads implementations end to end - Next-Gen Firewalls Zero Trust NAC F5 application delivery and Cisco ACI - and acts as the technical escalation point for the team.

DUTIES & RESPONSIBILITIES

Design and architecture

• Gather customer requirements and produce High-Level Design HLD and Low-Level Design LLD documents for security and data-centre solutions.
• Design segmentation firewall policy Zero Trust access and NAC policy models aligned with customer security standards.
• Review existing customer environments and recommend hardening migration and consolidation paths.

Deployment and migration

• Lead end-to-end deployments staging configuration integration cut-over and post-go-live support.
• Plan and execute firewall and load-balancer migrations policy conversion rule clean-up rollback plans with minimal downtime.
• Integrate security platforms with AD LDAP RADIUS TACACS PKI SIEM and SOAR.
• Write and run User Acceptance Test UAT plans and deliver as-built documentation and knowledge transfer to customers.

Operations and support

• Act as L3 escalation for network and security incidents lead root-cause analysis for major incidents.
• Carry out preventive maintenance PM health checks firmware upgrades and vulnerability remediation within agreed maintenance windows.
• Meet SLA targets on assigned tickets and keep ticketing tools up to date.

Team and customer delivery

• Support pre-sales with solution sizing BoQ review SOW and RFP technical responses.
• Present technical status to customer stakeholders and internal management.

Education

Minimum : Bachelor s degree in Computer Science, Electrical/Telecom Engineering or IT (or equivalent experience). At least one of: CCNP Security or CCNP Enterprise / Data Center; PCNSE; Fortinet NSE 7 / FCSS; F5 Certified Technology Specialist (301/302/303).

Desired: CCIE Security / Data Center / Enterprise. Cisco ISE or ACI specialist certification.

Experience

Minimum : Minimum 10 years in enterprise networking, including 5+ years delivering network security projects.

Desired: System integrator or managed-services experience in the UAE/GCC. Hands-on delivery of multi-vendor firewall and F5 migrations.