Network Security Engineer | Onsite Abu Dhabi | Morning Shift |AED pay

Job Description

411_3313181

Network Security Engineer | Onsite Abu Dhabi | Morning Shift | AED pay

Hiring Network Security Engineer – Onsite (Only from Abu Dhabi)

Client Details: Our client is an innovative UK-based cyber security consulting services company providing cyber security consultants and managed security services, empowering businesses since 2011. IT is the UK based business with global headquarters in Dubai, UAE and Regional headquarters in Riyadh, Saudi Arabia.

About Job Description: We are seeking a highly skilled and detail-oriented Senior Network & Security Engineer to lead and execute large-scale firmware upgrades, network switch upgrades, and ACL optimization across multiple enterprise locations.

The engineer will be responsible for ensuring seamless firmware patching cycles, minimizing downtime, maintaining network integrity, and aligning with cybersecurity best practices.

Key Responsibilities

Fortinet Firewall Upgrades

• Perform firmware upgrades for Fortinet Firewalls across 62 locations
• Conduct pre-upgrade health checks and compatibility validation
• Backup configurations and ensure rollback plans are documented
• Execute upgrades during approved change windows
• Perform post-upgrade validation and performance testing
• Ensure HA cluster stability (if applicable)

Huawei Network Switch Firmware Upgrades

• Upgrade firmware for 300+ Huawei switch stacks
• Validate stack configurations and redundancy prior to upgrade
• Verify routing, VLANs, STP, and trunk configurations post-upgrade
  

  ACL Fine-Tuning & Optimization

  • Review and fine-tune Access Control Lists (ACLs) across 20 sites
  • Identify redundant, shadowed, or conflicting rules
  • Improve rule efficiency and network security posture
  • Coordinate with Security & SOC teams for validation
  • Ensure changes comply with enterprise security policy

  Patching Cycle Management

  Two structured patching cycles will be executed:

  Cycle 1: March – July (120 Days)
  Cycle 2: October – November (60 Days)

  Responsibilities include:

  • Detailed patching schedule planning
  • Change management coordination
  • Execution tracking and reporting
  • Final cycle completion report submission

  Required Technical Skills

  • Strong hands‑on experience with Fortinet Firewalls (FortiGate)
  • Experience upgrading HA clusters and distributed firewall environments
  • Deep knowledge of Huawei Enterprise Switches
  • VLANs, STP, RSTP, MSTP
  • OSPF, BGP (preferred)
  • ACL optimization and security hardening
  • Experience in large‑scale multi‑site enterprise environments
  • Familiarity with change management and ITIL processes
  • Strong troubleshooting and rollback planning skills

  Certifications (Preferred)

  • Fortinet NSE 4 / NSE 7
  • Huawei HCIP / HCIE (Routing & Switching or Security)
  • CCNP / CCIE (preferred)
  • ITIL Foundation

  Experience Required

  • 5+ years in enterprise network/security engineering
  • Experience handling high‑availability production environments

  Soft Skills

  • Strong documentation and reporting capability
  • Ability to work under tight patching windows
  • Risk‑aware and detail‑oriented
  • Able to work in night/weekend maintenance windows

  Other Details

  Experience: 5 years+
  Education: Bachelors in Information security, cyber security etc
  Location: Abu Dhabi Timings: 9am – 5pm (onsite)
  Salary: Market Competitive
  Employment Nature: 6 months Contract based.

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2026-02-28 08:09:56