> Markdown version of [/jobs/ext/3926309-endpoint-engineer-iii](https://www.wearedevelopers.com/jobs/ext/3926309-endpoint-engineer-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Endpoint Engineer III - **Company:** CACI International Inc. - **Location:** Springfield, VA, United States - **Experience:** Expert - **Salary:** $86,600 - $181,800 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Cyber Security, System Configuration, Information Leak Prevention, Geospatial Intelligence, Network Architecture, Information Technology - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3467377031&tx=KP2525FFP&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Required: * Active TS/SCI clearance (As a post-hire requirement, selected candidate must be able to successfully pass and maintain a government polygraph) * Bachelor's degree (Engineering, Computer Science or related field) - Minimum 5 years of related experience. * Active DoD 8140/8570 IAT Level II certified * Must obtain a CSSP Infrastructure Support certification within 120 days of hire date if one is not currently held. i.e CEH, CySA- Strong working knowledge of administering applications in a Windows environment. * Working knowledge of configuring, deploying, and maintaining Enterprise Cyber Security Engineering requirements utilizing the following Trellix Products: Endpoint Security (ENS), Data Loss Prevention (DLP), Policy Auditor, File Integrity Monitor (FIM) and Application Whitelisting. * 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. ## Description TCS is a long-term, CACI Prime contract with the National Geospatial-Intelligence Agency (NGA) in support of the customer's GEOINT mission. The Endpoint Security Engineer will support our Intelligence Community customer's various endpoint security platforms. Positions on TCS require a TS/SCI clearance to be eligible for hire; with the ability to successfully pass a government polygraph as a post-hire requirement., 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 the various endpoint security solutions. * 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. - Work with both the software vendor and the customer to research, analyze, and implement enterprise-wide security solutions/capabilities/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.