Job Overview
Location: Abu Dhabi, UAE
Department: Cybersecurity / IT Security
Level: Senior
Role Type: Technical Implementation & Security Operations
We are seeking an experienced Senior IT Security Engineer to strengthen and maintain our network, endpoint, server, and infrastructure security posture.
The role will focus on network and firewall security, EDR/XDR, infrastructure hardening, network segmentation, privileged access, secure configuration, security solution implementation, and remediation validation.
The successful candidate will provide senior-level technical expertise and work closely with network, infrastructure, systems, and cybersecurity teams to implement and continuously improve security controls.
Key Responsibilities
- Design, review, and support the implementation of network and infrastructure security controls.
- Review firewall configurations, security zones, routing, ACLs, and network segmentation.
- Identify security gaps, misconfigurations, and weaknesses across network and security configurations.
- Conduct hardening reviews for servers, network devices, firewalls, and supporting infrastructure.
- Assess and improve network segmentation to reduce attack surface and limit lateral movement.
- Review firewall policies and rulesets to identify unnecessary services, overly permissive rules, and obsolete configurations.
- Perform EDR/XDR configuration reviews and security assessments.
- Develop and enhance endpoint detection use cases, alerts, and detection scenarios.
- Review endpoint security policies, exclusions, detection rules, logging, and response configurations.
- Conduct privileged access reviews and validate appropriate administrative access to critical systems.
- Validate security configurations and implementations following remediation activities.
- Verify the closure of identified security gaps and provide technical recommendations where further remediation is required.
- Support security solution implementation, configuration, integration, and troubleshooting.
- Coordinate with clients and technical stakeholders regarding implementation activities, dependencies, and technical requirements.
- Maintain security assessment outputs, implementation evidence, configuration records, and technical documentation.
- Develop and maintain security procedures, configuration documents, and technical runbooks.
- Provide technical progress updates and support project reporting.
- Conduct knowledge-transfer sessions and technical handovers with internal technical teams.
- Provide senior technical guidance to network, infrastructure, systems, and cybersecurity teams.
Required Technical Skills
Network & Infrastructure Security
- Enterprise firewalls
- Network segmentation and VLANs
- Routing and ACLs
- Secure network architecture
- Server and infrastructure hardening
- Security configuration reviews
Endpoint Security
- EDR/XDR technologies
- Endpoint security policies
- Detection engineering
- Custom detection rules and use cases
- Endpoint telemetry and incident investigation
Security Engineering
- Security solution deployment and configuration
- Security solution integration
- Troubleshooting
- Security control validation
- Remediation and implementation validation
Access Security
- Privileged Access Management (PAM)
- Administrative access reviews
- Least-privilege principles
- Secure access control
Documentation & Handover
- Security architecture documentation
- Configuration standards
- Implementation documentation
- Security assessment reports
- Technical procedures and runbooks
- Knowledge transfer and technical handover
Qualifications & Experience
- Bachelor's degree in Cybersecurity, Information Security, Computer Science, Information Technology, or a related discipline.
- 7+ years of experience in IT Security, Network Security, Infrastructure Security, or Cybersecurity Engineering.
- Strong hands-on experience with enterprise firewalls, networking technologies, EDR/XDR, Windows/Linux servers, and security controls.
- Experience working within complex enterprise or government IT environments is highly desirable.
- Strong understanding of security hardening standards and industry best practices.
- Ability to independently analyze security configurations, identify weaknesses, recommend remediation, and validate implementation.
- Strong stakeholder coordination, documentation, reporting, and knowledge-transfer capabilities.
What We Are Looking For
We are looking for a technically strong and proactive security professional who can independently assess security environments, identify vulnerabilities and configuration weaknesses, support implementation and remediation, and provide practical technical recommendations.