> Markdown version of [/jobs/ext/505736-endpoint-security-engineer-iii](https://www.wearedevelopers.com/jobs/ext/505736-endpoint-security-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 Security Engineer III - **Company:** Caci Inc - **Location:** Saint Louis, VA, United States - **Experience:** Expert - **Salary:** $75,200.0 - $158,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Cyber Security, System Configuration, Linux, Geospatial Intelligence, Network Architecture, VMware Virtualization, Information Technology - **Published:** June 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=096456c543a871d4 ## About the Role Do you have experience in Windows?, Required: * Active TS/SCI clearance. As a post-hire requirement, selected candidates must be able to successfully pass and maintain a government polygraph. * Bachelor's degree (Engineering, Computer Science or related field). Additional experience may be 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 * Working knowledge of maintaining Enterprise Cyber Security Engineering requirements utilizing the following tool: Carbon Black Endpoint Detection and Response (EDR) * Knowledge and experience in working with 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 * Strong hands-on working knowledge within an AWS Environment ## Description Our Endpoint Security team is rapidly growing! This is one of several new positions that we have added to the TCS program. This is an exceptional opportunity for a TS/SCI cleared professional to join an incredibly talented team, work with cutting edge technologies, and propel your career within the Cyber realm! 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 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 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 ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [MCP Mashups: How AI Agents are Reviving the Programmable Web](https://www.wearedevelopers.com/videos/1392-mcp-mashups-how-ai-agents-are-reviving-the-programmable-web) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [Events like RSAC Get You CISOs. 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