Cybersecurity Engineer (Endpoint Detection and Response-EDR)-Senior Systems Engineer

ClearFocus Technologies • Washington, DC

7d

About The Position

ClearFocus Technologies, a HUBZone certified company, is located in Leesburg, VA. We specialize in cybersecurity and support multiple government and commercial clients for a variety of missions. We value our clients, integrity and employees and believe a single person can make a difference! We are committed to attracting and retaining the best and brightest talent who desire to work with industry leading technology to stay on top of their profession. We provide an excellent benefit package which includes medical, dental, vision, paid time off, 401(k), paid professional development reimbursement and more! We are seeking a highly skilled and experienced Senior Trellix Engineer and Administrator to join our cybersecurity team within a government agency. The successful candidate will be responsible for the design, implementation, maintenance, and optimization of our Trellix security suite to protect critical government infrastructure and data. This role requires deep expertise in Trellix products, a thorough understanding of government cybersecurity compliance, particularly DISA STIGs, and extensive knowledge of backend IT infrastructure.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field. (Relevant experience may substitute for a degree).
• Minimum of 7+ years of experience in cybersecurity, with at least 5 years focused specifically on Trellix (formerly McAfee) security products.
• Proven expertise in administering and engineering Trellix ePO, Endpoint Security (ENS), and Data Loss Prevention (DLP).
• Demonstrated experience with DISA STIG implementation, assessment, and remediation in a large-scale enterprise environment.
• Strong understanding of backend infrastructure components, including Windows Server, Linux, Active Directory, networking (TCP/IP, firewalls, routers), virtualization (VMware, Hyper-V), and database systems.
• Experience with scripting languages (e.g., PowerShell, Python) for automation and task orchestration.
• Familiarity with incident response processes and security operations.
• Excellent analytical, problem-solving, and communication skills.
• Ability to obtain and maintain a [Specify required clearance, e.g., Top Secret/SCI, Secret] security clearance.

Nice To Haves

• Master's degree in a relevant field.
• Trellix product certifications (e.g., Trellix Certified Product Specialist - ePO, ENS).
• Relevant industry certifications such as CISSP, Security+, CEH, or equivalent.
• Experience with other Trellix products such as Trellix Enterprise Security Manager (ESM/SIEM), Network Security Platform (NSP), or Advanced Threat Defense (ATD).
• Experience working in a government or defense contracting environment.

Responsibilities

• Lead the design, architecture, deployment, and configuration of Trellix (formerly McAfee) security products, including but not limited to Trellix ePO, Endpoint Security (ENS), Data Loss Prevention (DLP), Network Security Platform (NSP), and Advanced Threat Defense (ATD).
• Develop, implement, and enforce security policies and procedures within the Trellix environment, ensuring alignment with agency requirements and industry best practices.
• Conduct regular security audits and assessments of the Trellix infrastructure to identify vulnerabilities and ensure compliance with DISA Security Technical Implementation Guides (STIGs) and other government mandates.
• Administer and troubleshoot complex Trellix environments, including performance tuning, patch management, and system upgrades.
• Integrate Trellix solutions with other security tools and enterprise systems (e.g., SIEM, Active Directory, network devices) to create a comprehensive security posture.
• Provide expert-level support and guidance for Trellix-related incidents, investigations, and remediation efforts.
• Develop and maintain comprehensive documentation for all Trellix configurations, procedures, and troubleshooting guides.
• Collaborate with network, system, and application teams to ensure seamless integration and operational efficiency of security solutions.
• Stay abreast of the latest Trellix product developments, cybersecurity threats, and government compliance requirements.
• Mentor junior engineers and provide technical leadership within the team.

Benefits

• medical
• dental
• vision
• paid time off
• 401(k)
• paid professional development reimbursement

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level