Senior Security Engineer – Cyber Threat Mitigation Lead

Job Overview

ECS Tech Inc is seeking a Senior Security Engineer – Cyber Threat Mitigation Lead to work in our Washington, DC office. This full time/permanent role supports a US Government civilian agency and requires an active Top Secret clearance.

Responsibilities

• Lead and mentor a cross-functional team of CTI analysts, threat hunters, and detection engineers.
• Architect detection strategies based on emerging threats, adversary behaviors, and customer risk posture.
• Drive proactive threat hunting operations to identify malicious activity.
• Translate threat intelligence and TTP analysis into actionable detections and countermeasures.
• Oversee team deliverables including detection documentation, threat reports, hunt plans, and metrics dashboards.
• Champion technical excellence and documentation standards.
• Collaborate with SOC leadership, incident responders, and engineers to drive risk reduction.
• Evaluate detection effectiveness using data-driven assessments.
• Employ detection engineering methodologies and create behavioral signatures.
• Utilize EDR telemetry (SentinelOne, CrowdStrike, Defender for Endpoint) and SIEM platforms like Splunk.
• Work with data transformation tools such as CRIBL.

Qualifications

• Bachelor’s degree or higher.
• 7+ years in cybersecurity with expertise in at least two key areas: CTI, Threat Hunting, or Detection Engineering.
• 2+ years technical leadership experience with project ownership and review responsibilities.
• Experience translating technical data into consumable products for varied audiences.
• Strong familiarity with SOC workflows, telemetry pipelines, and threat modeling.
• Expertise in creating technical reports with clarity and relevance.
• Comprehensive understanding of host-based, network, and cloud log sources.
• Knowledgeable about threat hunting techniques, anomaly detection, and attack methodologies.
• Active Top Secret clearance required.

Additional Information

Salary Range: $140,000 - $160,000. Benefits information available at ECS Tech Inc Benefits.

Key skills/competency

Cybersecurity, Threat Intelligence, Detection Engineering, SIEM, EDR, Leadership, CTI, Threat Hunting, Technical Reporting, Data Analysis.