Systems Engineer SME with Security Clearance

Cornerstone Defense; Herndon (VA); On-site; USD 130,000 - 180,000; Full time

Benefits offered by this job

Medical, Dental & Vision

PTO

401(k)

HSA and FSA

Life and Disability Insurance

Tuition Reimbursement

Perks at Work Discount Program

Referral Program

Job summary

Cornerstone Defense seeks a Systems Engineer SME in Herndon, VA to support advanced Windows-based infrastructures for defense and intelligence programs.

The role requires active TS/SCI with polygraph, a minimum of 16 years of experience, and extensive Trellix security experience. You will design, deploy, and maintain secure systems while coordinating with cross-functional teams to meet mission goals.

Qualifications

• Minimum 16 years of engineering experience in Windows systems
• Bachelor's Degree in a related field
• Strong engineering experience with cybersecurity operations and systems administration
• Experience with Trellix security products and related tools
• Familiarity with threat intelligence, DLP, AD, and EDR concepts

Responsibilities

• Plan and implement new architecture for services and replace outdated infrastrucure
• Maintain optimal system performance across Windows and Linux platforms
• Monitor health, availability, and functionality of enterprise networks
• Document technical problems and provide end-to-end resolution
• Lead or participate in certification, accreditation, and access control processes
• Collaborate with end users and inter/agency Trellix stakeholders

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