Endpoint Security Engineer III

CACI International Inc; Springfield (VA); On-site; USD 75,200 - 158,100; Full time

Benefits offered by this job

Healthcare benefits

Retirement plans

Continuing education support

Job summary

CACI International Inc is seeking an Endpoint Security Engineer III to join their Transport & Cybersecurity Services team. This role involves protecting networks and devices from attacks and supporting the intelligence community's endpoint security platforms. A TS/SCI clearance and a minimum of 5 years in Cyber Security are required.

The ideal candidate will have a strong background in implementing security solutions and experience with Carbon Black EDR. Benefits include healthcare, retirement, and continuing education.

Qualifications

• Active TS/SCI clearance and ability to pass a government polygraph.
• Minimum 5 years of technical experience in Cyber Security.
• DoD 8570 IAT Level II certified.

Responsibilities

• Implement technologies to protect networks and data.
• Provide support for Carbon Black EDR.
• Configure and install security products using Linux OS.

Skills

Cyber Security expertise

Linux knowledge

Incident response

Threat hunting

Education

Bachelor's degree in Engineering or Computer Science

Tools

Carbon Black EDR

AWS

VMware

Job description

Job Title: Endpoint Security Engineer III

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

The Opportunity

We are seeking an Endpoint Security Engineer to join our Transport & Cybersecurity Services (TCS) team in Springfield, VA or St. Louis, MO. This role is part of a long‑term CACI Prime contract with the National Geospatial‑Intelligence Agency (NGA) to support the GEOINT mission. The Engineer will support the Intelligence Community customer’s endpoint security platforms. TS/SCI clearance and the ability to successfully pass a government polygraph post‑hire are required.

Responsibilities

• Implement and apply technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.
• Provide engineering and sustainment support for Carbon Black Endpoint Detection and Response (EDR).
• Establish computing environment by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards.
• Provide specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
• Configure and install various security products utilizing Linux OS.
• Work with the software vendor and the customer to research, analyze, and implement enterprise‑wide security solutions, capabilities, and enhancements to support customer business/mission goals and objectives.
• Assist with design, analysis, testing and implementation of state‑of‑the‑art secure architectures.
• Oversee security infrastructure sustainment, maintenance, and advanced configuration (policy management, database administration, and security management tools).
• Oversee the reporting, documentation and investigation of all security related incidents; lead the development and implementation of corrective measures.

Qualifications

• Active TS/SCI clearance and the ability to pass a government polygraph.
• Bachelor’s degree in Engineering, Computer Science or a related field, or equivalent experience.
• 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.
• Working knowledge of maintaining Enterprise Cyber Security Engineering requirements using Carbon Black EDR.
• Knowledge and experience in incident response and threat hunting solutions.
• Strong hands‑on working knowledge of administering applications in a Linux environment.
• Experience with large‑scale enterprise/global networks in a high‑paced, diverse environment.
• Understanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions.
• Experience in providing status reports and products to senior management and customers.
• Experience with plans, designs, and evaluations of security systems and architectures.

Desired

• CSSP Infrastructure Support certification.
• Windows Enterprise Active Directory (AD) architecture and VMWare virtualization experience.
• Strong hands‑on working knowledge within an AWS Environment.

Pay Range

$75,200 - $158,100 (National average for this position)

Benefits

Healthcare, wellness, financial, retirement, family support, continuing education, and time‑off benefits.

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.