Cyber Security Engineer IV (Microsoft Defender)

TL;DR

Cyber Security Engineer IV (Microsoft Defender): Designing, implementing, and optimizing advanced endpoint and cloud security solutions for U.S. national security customers with an accent on Microsoft Defender for Endpoint, Cloud, and Servers. Focus on deploying EDR/NGAV solutions, integrating SIEM tools like Microsoft Sentinel, and managing complex attack surface reduction rules.

Location: Remote (Must possess Active Secret Clearance, implying US-based/citizen)

Salary: $128,899 - $133,000

Company

Aether Aerospace (formed by hirify.global, JHNA, and CTSi) is a Defense Technology platform providing advanced manufacturing and tech services to the U.S. Department of Defense.

What you will do

• Deploy and optimize EDR and NGAV solutions for real-time threat monitoring and response.
• Conduct continuous vulnerability assessments and develop remediation strategies.
• Integrate Microsoft Defender with Microsoft Sentinel and other SIEM tools for centralized analytics.
• Design and manage Windows Defender Application Control (WDAC) policies and DLP using Intune and Purview.
• Ensure comprehensive endpoint security across Windows, Linux, and mobile platforms.
• Collaborate with IT leadership to strengthen access controls and enhance the organization's security posture.

Requirements

• Active Secret Clearance.
• Bachelor's degree in CS/IT with 10 years of experience, or Associate's degree with 15 years of experience.
• Deep expertise in Microsoft Defender for Endpoint, Cloud, and Servers.
• Experience in endpoint security, threat hunting, and incident response.
• Security+ CE Certification (or other IAT Level II or III Certification).
• Strong knowledge of cybersecurity frameworks (e.g., NIST) and regulations (GDPR, HIPAA).

Nice to have

• Additional certifications such as CISSP, CISM, CCNA, AWS, or VMware.
• Experience with ServiceNow security workflow automation.
• Linux administration (Red Hat Enterprise Linux) and Microsoft Active Directory / Entra ID.
• Advanced PowerShell scripting or software development experience.
• Experience with DoD PKI.

Culture & Benefits

• Competitive compensation and comprehensive health and wellness programs.
• Income protection, paid leave, and retirement/savings plans.
• Opportunities for continuous learning and professional development.
• Work environment that supports flexibility and work-life balance.