Senior Network Security Engineer

About This Role

General Description

Join a well-established, enterprise organization in Abu Dhabi delivering large-scale infrastructure and digital transformation initiatives. We are looking for an experienced Senior Network & Security Administrator to manage and strengthen enterprise network environments while ensuring robust cybersecurity standards across the organization.

This role is ideal for a hands-on infrastructure and security professional who can balance deep technical expertise with strong stakeholder communication. You will play a key role in securing and optimizing network environments, while working closely with internal teams, vendors, and business stakeholders.

This is a contract role with strong potential for extension and long-term conversion , supporting mission-critical enterprise systems.

Key Responsibilities

• Design, implement, and maintain secure network infrastructures across LAN, WAN, WLAN, and VPN environments

• Administer and optimize network devices including firewalls (Palo Alto, Fortinet), routers, switches, and security appliances

• Monitor network performance and security events to ensure high availability, reliability, and protection

• Conduct vulnerability assessments and implement remediation strategies to strengthen security posture

• Enforce network security policies, standards, and technical documentation

• Collaborate with vendors and service providers to resolve network and security incidents

• Lead infrastructure upgrades, patching cycles, and firmware updates

• Manage user access controls and ensure proper privilege and identity management

• Ensure compliance with cybersecurity frameworks such as ISO 27001 and NIST

• Investigate and respond to security incidents and network breaches

• Support disaster recovery (DR) and business continuity planning (BCP) initiatives

• Provide technical leadership and mentorship to junior IT team members

• Engage with stakeholders across the business to ensure clear communication and alignment

Required Skills & Experience

• 5–8+ years of experience in Network & Security Administration within mid-to-large enterprise environments

• Strong hands-on experience with firewalls, particularly Palo Alto and Fortinet

• Experience with tools such as FortiAnalyzer, FortiManager, Cisco ASA, and SIEM platforms

• Solid understanding of network architecture, cybersecurity frameworks, and incident response

• Proven ability to manage complex infrastructure environments and lead technical initiatives

• Strong stakeholder management and communication skills (critical for this role)

• Experience working with vendors and cross-functional teams

• Relevant certifications such as CCNA, CCNP, Fortinet NSE, Palo Alto PCNSE are highly preferred

Engagement Details

Engagement Type: Contract / Freelance

Location: Abu Dhabi (Onsite)

Start Date: ASAP or at least 2 weeks