Cyber Security Engineer

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Job Description # Cyber Security Engineer Apply
** Job#: 3058369
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* Job Description:

** Cyber Security Engineer
*
* Location:

** Merrifield, Virginia (Remote)
** Alternative Locations**:
Vienna, VA, Winchester, VA, or Pensacola (Hybrid)

Role Overview Our organization is seeking an experienced cybersecurity engineer to support enterprise Application Whitelisting and Application Control initiatives alongside daily endpoint security operations. The selected professional will drive policy design, tuning, and troubleshooting across various corporate environments. This position requires strong technical expertise with endpoint telemetry, diagnostic analysis, and modern security platform operations.

Key Responsibilities
* Design, implement, tune, and troubleshoot application control policies across the enterprise environment.
* Manage application whitelisting utilizing platforms such as Windows Defender Application Control (WDAC), App Locker, Threat Locker, or Airlock Digital.
* Analyze and troubleshoot execution blocks using endpoint telemetry, Windows event logs, and diagnostic data.
* Oversee endpoint security systems including Microsoft Defender for Endpoint, ensuring proper sensor health, compliance monitoring, and policy troubleshooting.
* Investigate security alerts, endpoint health issues, malware detections, and protection-status discrepancies.
* Perform Defender Antivirus and EDR exclusions, configuration management, and agent onboarding.
* Utilize KQL and Advanced Hunting tools for investigation, threat hunting, and validation activities.
* Deploy and manage endpoint security policies through Intune and MECM/SCCM.
* Maintain version control for policies, scripts, and documentation using Git Hub or similar repositories.
* Develop and update operational runbooks, checklists, root-cause analyses, and audit evidence.

Required Qualifications
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* Education:

** Bachelor's degree in Information Technology, Cybersecurity, Computer Science, or equivalent technical training.
*
* Experience:

** Mid-to-senior level experience in cybersecurity engineering focusing on endpoint defense, policy administration, and enterprise threat detection.
** Technical

Skills:

** Deep understanding of Windows, macOS, and Linux (RHEL) operating systems, combined with hands-on proficiency in WDAC, App Locker, Defender for Endpoint, and KQL. Knowledge of code-signing certificates, trust models, and automation tools such as Ansible or Power Shell is required.

Preferred Qualifications
* Proven experience executing software proof-of-concept projects for Threat Locker or Airlock Digital.
* Advanced automation capabilities using scripting languages to manage security policies at scale.
* Strong communication skills to coordinate remediation paths with application owners and engineering teams.  
* Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.

Our commitment to excellence is reflected in many awards, including Clearly Rateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
** Everforth Apex uses a virtual recruiter as part of the application process. Click  here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages.

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