Endpoint Engineer, TS/SCI (Reston, VA)

About the position Responsibilities • Deploy, configure, and manage Microsoft Defender for Endpoint to protect against advanced threats, including malware, intrusions, and unauthorized access. • Design and implement endpoint security architectures, ensuring compliance with intelligence community standards and DoD directives. • Conduct system configuration, installation, and optimization of Microsoft Defender and related tools to meet present and future mission requirements. • Provide expert support for enterprise-wide endpoint security solutions, including policy management, threat detection, and incident response. • Collaborate with vendors and agency stakeholders to research, analyze, and enhance endpoint security capabilities using Microsoft Defender. • Oversee sustainment and advanced configuration of security infrastructure, including database administration and security management tools. • Lead the investigation, documentation, and reporting of security incidents, driving the development of corrective measures. • Deliver detailed status reports and technical recommendations to senior management and intelligence community stakeholders. Requirements • Extensive experience with Microsoft Defender for Endpoint, including deployment, configuration, policy management, and threat hunting. • 3+ years of technical experience in Cybersecurity, with a focus on endpoint security in high-stakes environments. • Proven ability to maintain enterprise cybersecurity solutions in large-scale, global networks within a fast-paced, mission-driven setting. • Familiarity with DoD Architecture Framework and intelligence community network architecture standards. • Hands-on experience with Windows Enterprise Active Directory, Linux (RHEL), and VMware virtualization. • Strong understanding of endpoint security technologies, including host intrusion prevention, malware detection, and endpoint detection/response (EDR). • DOD 8570 IAT Level II certification. • Must obtain CSSP Infrastructure Support certification (e.g., CEH, CySA+) within 6 months of hire. • Excellent communication skills for delivering technical reports and collaborating with cross-functional teams. Nice-to-haves • Experience with additional endpoint security tools such as HBSS, Carbon Black, or Tanium. • Knowledge of user/entity behavioral analysis and rogue system detection. • Prior work in intelligence community environments supporting classified missions. Benefits • Group Medical Insurance options: Zero Deductible PPO Plan (GuidePoint pays 90% of the premium for employees and 70% for family plans) or High Deductible Health Plan with HSA (GuidePoint pays 100% of the employees premiums and 75% for family plans). • Group Dental Insurance: GuidePoint pays 100% of the premium for employees and 75% of family plans. • 12 corporate holidays and a Flexible Time Off (FTO) program. • Healthy mobile phone and home internet allowance. • Eligibility for retirement plan after 2 months at open enrollment. • Pet Benefit Option. Apply tot his job Apply To this Job