Systems Engineer SME with Security Clearance

Cornerstone Defense LLC; Herndon (VA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical, Dental & Vision

Generous PTO

401(k)

HSA/FSA

Life Insurance

Disability Insurance

Tuition Reimbursement

Training Programs

Referral Program

Travel Assistance

Fitness Reimbursement

Lifelock Benefit Solutions

Job summary

Cornerstone Defense LLC is seeking a Windows Systems Engineer to join our Herndon, VA team. The role requires active TS/SCI with polygraph and a strong background in Windows and Linux system administration, cybersecurity operations, and Trellix products.

The candidate should have extensive experience with Trellix ENS, ePO, EDR, TIE, DXL, AD, DLP, and cloud services (AWS/Azure), plus a track record of designing secure architectures and improving system health and performance.

Qualifications

• Minimum 16 years of experience as a Windows Systems Engineer.
• Bachelor's Degree required.
• Significant experience with Trellix Security or similar products.

Responsibilities

• Demonstrated proficiency in cybersecurity operations, cybersecurity engineering, systems engineering and Windows and Linux administration.
• Experience with Data Loss Prevention (DLP), AD, Trellix ENS, ePO, EDR, TIE, and DXL.

Skills

Cybersecurity operations

Cybersecurity engineering

Systems engineering

Windows administration

Linux administration

Active Directory

Threat Intelligence Exchange

Trellix Endpoint Security

ePolicy Orchestrator

EDR

DXL

Databases

Virtualization

Cloud services

Education

Bachelor's degree

Tools

Trellix products

ePolicy Orchestrator

Trellix ENS

Job description

Title: Systems Engineer SME Location: Herndon, VA

• Clearance:
• Active TS/SCI w/ Polygraph needed to apply
• Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Benefits Overview : 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
• Required Education, Experience, & Skills: Seeking a Windows Systems Engineer with a minimum of 16 years experience, a Bachelors 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) o Data Exchange Layer (DXL)
• 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