
System Security Engineer
- Doha, Qatar
- Permanent
- Full-time
- Design, implement, and manage security solutions across Active Directory, ADFS, and Exchange (on-premise and hybrid).
- Harden and secure endpoints, infrastructure, and communications systems against evolving cyber threats.
- Automate security tasks and perform system audits using PowerShell and other scripting tools.
- Manage patching processes using WSUS, SCCM, or third-party tools.
- Integrate security logs and data into SIEM platforms and support threat detection/response initiatives.
- Collaborate with IT and business units to enforce identity and access management policies including MFA and Zero Trust architectures.
- Support compliance efforts aligned with ISO 27001, NIST, and CIS Controls.
- Assess and respond to security incidents using frameworks like MITRE ATT&CK.
- Continuously evaluate and improve system and application security controls.
- Bachelor’s degree in Information Security, Computer Engineering, or related field.
- Master’s degree in Information Security or Computer Engineering
- 5+ years of experience in Windows infrastructure security (Active Directory, Exchange, endpoint hardening)
- In-depth knowledge of:
- Strong PowerShell scripting capabilities for security automation and audits
- Proficient in Zero Trust architecture and multi-factor authentication practices
- Understanding of compliance frameworks: ISO 27001, NIST, CIS Controls
- Experience integrating with on-premise SIEM solutions
- Familiarity with MITRE ATT&CK and advanced threat detection techniques
- Solid background in systems, networks, and/or application security
- Security architecture and system hardening
- Scripting and automation (PowerShell)
- Threat detection, SIEM integration, and log analysis
- Identity and access management (IAM)
- Compliance and regulatory knowledge
- Problem-solving and incident response
- Strong communication and documentation skills