Senior Endpoint Security Engineer (TS/SCI)

CACI International; St. Louis (MO); On-site; USD 75,000 - 158,000; Full time

Job summary

CACI International is seeking an Endpoint Security Engineer III to join the Transport & Cybersecurity Services (TCS) team in St. Louis, MO or Springfield, VA. The role requires TS/SCI clearance, a bachelor’s in a related field, and at least 5 years in cyber security.

You will support EDR deployments, design secure architectures, and collaborate with customers on enterprise security initiatives. We value integrity, trust, and growth as we protect national interests.

Qualifications

• Active TS/SCI clearance; able to pass polygraph as a post-hire requirement.
• Bachelor’s degree in Engineering, Computer Science or related field; additional experience considered in lieu of a degree.
• Minimum 5 years of technical experience in Cyber Security.
• DoD 8570 IAT Level II certified (current).
• Must obtain a CSSP Infrastructure Support certification within 6 months of hire date.
• Experience with Carbon Black Endpoint Detection and Response (EDR).
• Knowledge of incident response and threat hunting solutions.
• Strong Linux experience in administering applications.
• Experience with large-scale enterprise networks.
• Understanding of DoD Architecture Framework and related DoD guidance.
• Experience providing status reports to senior management.
• Experience designing and evaluating security architectures.

Responsibilities

• Implement and apply security technologies to protect networks, devices, programs, and data.
• Provide engineering and sustainment support for Carbon Black EDR.
• Design system configuration, installation, and enforce standards.
• Suggest hardware/software choices and implementation techniques.
• Configure and install security products on Linux systems.
• Collaborate with vendor and customer on enterprise security solutions.
• Assist with secure architectures design, analysis, testing.
• Oversee security infrastructure maintenance and policy management.
• Lead incident investigations and corrective actions.
• Prepare status reports for senior management and customers.

Skills

TS/SCI clearance

5+ years cyber security

DoD 8570 IAT Level II

DoD Architecture Framework knowledge

Incident response & threat hunting

Linux administration

Security reporting to senior mgmt

Education

Bachelor’s degree in Engineering or Computer Science

Tools

Carbon Black EDR

VMware

AWS

Job description

CACI International is seeking an Endpoint Security Engineer III to join the Transport & Cybersecurity Services (TCS) team in St. Louis, MO or Springfield, VA. The role requires TS/SCI clearance, a bachelor’s in a related field, and at least 5 years in cyber security.

You will support EDR deployments, design secure architectures, and collaborate with customers on enterprise security initiatives. We value integrity, trust, and growth as we protect national interests.