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 identity & 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

Preferred 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

Requirements:

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Please only apply and press yes if you have read the requirements, education, experience and certifications, and match these.