Senior Systems Engineer 3: EDR Architect Lead

Lentech, Inc.; Fort Meade (MD); On-site; USD 203,305 - 217,122; Full time

Job summary

Lentech, Inc. seeks a Senior Systems Engineer (Level 3) to lead the Enterprise Endpoint Detection and Response program for national security initiatives.

The role focuses on architecture, end-to-end integration, deployment, and optimization of Microsoft Defender for Endpoint and Trellix HX across hybrid, air‑gapped, and high‑security environments. You will bridge architecture with operations, ensuring endpoint visibility and threat containment.

Qualifications

• 20+ years of SE experience in large programs and contracts
• Active TS.SCI w FSP through MD
• DoD 8570/8140 IAM Level II or III baseline certifications
• MDE architecture, deployment via MECM/SCCM or Intune, policy ring management, advanced hunting with KQL
• Trellix HX experience in air-gapped or restricted networks, OpenIOC and YARA rule creation
• Windows, Linux and macOS internals knowledge

Responsibilities

• Lead lifecycle engineering and scale-out architecture of MDE and Trellix HX across hybrid environments
• Author complex system engineering and implementation plans, tune configurations and exclusion policies
• Monitor endpoint health at scale and ensure threat containment
• Collaborate with threat hunting/intelligence to translate IOC findings into technical indicators
• Advise government stakeholders on system risks and engineering considerations
• Mentor junior/mid-level engineers in the program

Skills

20+ years SE experience

TS.SCI w FSP through MD

IAM DoD 8570/8140 Level II/III

MDE expertise

KQL

YARA rules

OpenIOC

Trellix HX expertise

Windows internals

Linux/macOS internals

Education

Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline

Five years SE experience may substitute for bachelor’s

Tools

MECM/SCCM Deployment

Intune

SCCM/MECM

Trellix HX controllers/agents

Job description

Lentech, Inc. seeks a Senior Systems Engineer (Level 3) to lead the Enterprise Endpoint Detection and Response program for national security initiatives.

The role focuses on architecture, end-to-end integration, deployment, and optimization of Microsoft Defender for Endpoint and Trellix HX across hybrid, air‑gapped, and high‑security environments. You will bridge architecture with operations, ensuring endpoint visibility and threat containment.