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# Systems Engineer SME

- **Company:** Cornerstone Defense
- **Location:** Herndon, VA, United States
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Data Analysis, Systems Engineering, Microsoft Azure, Cyber Security, Databases, System Configuration, Information Leak Prevention, Linux System Administration, Network Monitoring, Performance Tuning, Cloud Services, Virtualization Technology, Computer Networking Systems, Cyber Threat Analysis
- **Published:** July 1, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8772858/systems-engineer-sme

## About the Role

Seeking a Windows Systems Engineer with a minimum of 16 years' experience, a Bachelor's Degree, and significant experience with Trellix Security or other similar products.

Required Strong Engineering experience with the following:

 * Demonstrated technical proficiency in cybersecurity operations, cybersecurity engineering, systems engineering and/or Windows and Linux systems administration
 * Experience with
o Data Loss Prevention (DLP) including network monitoring and prevention
o Active Directory
o Trellix Endpoint Security (ENS)
o ePolicy Orchestrator (ePO)
o Endpoint Detection and Response (EDR)
o Threat Intelligence Exchange (TIE)

## Description

Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *, * Databases, Virtualization, Cloud Services [i.e., AWS, Azure]) and enterprise networks

 * The aptitude and ability to develop expertise with Trellix products
 * Familiarity with cyber threat identification, management, mitigation, and response strategies
 * Planning and implementation of new architecture for services and replacement of old infrastructure for maintaining optimal performance
Preferred Education, Experience, & Skills:

 * Writing technical documentation and briefings
 * Leading and/or participating in technical exchange meetings
 * Collaborating with end users as well as inter-agency, intra-agency, and internal Trellix stakeholders
 * Leading or participating in certification and accreditation and/or access and authorization processes
 * Leading or participating in deployment planning and execution
 * Leading or participating in system configuration, tuning, and policy development
 * Monitoring and managing system health, status, availability, and functionality
 * Reporting on technical problems, operational problems, and end user/customer feedback
 * Analyzing data and provide recommendations for solutions to operational and/or technical problems
 * Leading or participating in technical troubleshooting efforts and problem resolution, including assessment, hands-on tasks, log reviews, performing triage tools, reviewing product documentation, and communicating with product support and development teams


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