System Security Engineer

mselect is looking to hire a System Security Engineer for an Aerospace & Defence manufacturing client in Doha, Qatar. Candidates must have at least 5+ years of experience in Windows infrastructure security, including AD, Exchange, and endpoint hardening/cybersecurity. Fluency in English is a must.

Key Responsibilities

• Active Directory (LDAP, Kerberos, ADFS, Group Policy)
• Exchange security (transport rules, hybrid setups, SPF/DMARC/DKIM)
• Patch management (WSUS, SCCM, or third-party tools)
• Experience integrating systems with an on-premises SIEM solution
• Familiarity with MITRE ATT&CK and common attack vectors

Requirements

Qualifications:

• Bachelor’s degree in information security or computer engineering
• Qualifications should include MS-SC200, SC-300, SC-300 or MS Cybersecurity Architect Expert
• 5+ years of experience in Windows infrastructure security, including AD, Exchange, and endpoint hardening/cybersecurity
• Knowledge of ADDS, ADFS, and Exchange (on-premise/hybrid) security practices
• Strong PowerShell scripting skills for automation and auditing
• Solid understanding of & access management, including Zero Trust and MFA best practices
• Familiarity with compliance frameworks such as ISO 27001, NIST, or CIS Controls
• System, network and/or application background

Qualifications:

• Master’s degree in information security or computer engineering
• Systems Security Certified Practitioner (SSCP)
• CyberSecurity Analyst (CySA+)
• Certified Information Systems Security Professional (CISSP)
• IEC OT Security Certification would be an advantage

*Only applicants meeting the strict criteria outlined above will be contacted as part of the shortlisting process.

BH-MS1002

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