Sr. Software Engineer II

On-site in Washington, DC Our client seeks a Sr. Software Engineer II to design and manage enterprise endpoint security solutions across DoD and IC environments. The role requires deep expertise with Trellix and Windows/Linux systems, leadership of engineering efforts, incident response support, and delivery of technical reporting in classified, high-availability settings. This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applicants must be willing and able to work on a W2 basis. Salary: $160,000 - $185,000/ yr. W2 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 endpoint security solutions. Establish computing environments by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards. Provide detailed guidance for hardware and software selection, implementation techniques, and tools to meet current and future capacity requirements. Collaborate with software vendors and customers to research, analyze, and implement enterprise-wide security solutions and enhancements that support mission objectives. Assist with design, analysis, testing, and implementation of secure architectures. Oversee security infrastructure sustainment, maintenance, and advanced configuration, including policy management, database administration, and security management tools. Oversee reporting, documentation, and investigation of security incidents and lead development and implementation of corrective measures. Experience Requirements Active TS/SCI security clearance. 7 years of experience in software engineering. DoD 8140 (DCWF CSSP Infrastructure Support certification). Strong working knowledge administering applications in Windows and Linux environments. Expert-level experience deploying and managing Trellix ePO, Threat Prevention, DLP, Endpoint Security (ENS), Policy Auditor, File Integrity Monitor (FIM), and Application Whitelisting. Demonstrated experience setting up Trellix from scratch, including policy configuration, system deployment, and integration with Microsoft SQL databases. Experience with large-scale enterprise or global networks in a high‑paced, diverse environment. Understanding of and experience with the IC Architecture Framework and other key network architecture and strategic planning instructions. Experience providing status reports and products to senior management and customers. Experience with planning, designing, and evaluating security systems and architectures. Education Requirements Active TS/SCI security clearance. Degree preferred but not required. #J-18808-Ljbffr