Cybersecurity Systems Engineer (NH3)

Legato, LLC recruiters (Staffing@legatocorp.com) would love to speak with you regarding the following position: Cybersecurity Systems Engineer in Fort Meade, MD.

Security Clearance Required : TS/SCI w/ Polygraph Salary Range : $220,000-$240,000, depending on experience.

The Cybersecurity Systems Engineer will serve as a technical leader and subject matter expert within the Endpoint Detection and Response (EDR) Program.

Operating in a multi-domain infrastructure, the successful candidate will drive the strategic architectural design, end-to-end integration, deployment, and optimization of premier endpoint security platforms, specifically Microsoft Defender for Endpoint (MDE) and Trellix HX.

This critical role bridges high-level systems architecture with operational capabilities, ensuring total endpoint visibility, robust threat containment, and resilient configuration management across all enterprise and critical assets to defend the security infrastructure against sophisticated cyber threats.

The Engineer is responsible for leading the lifecycle engineering and scale-out architecture of MDE and Trellix HX across hybrid environments, including on-premises, cloud, and virtual desktop infrastructures (VDI).

This includes authoring complex system engineering and implementation plans, tuning agent configurations and exclusion policies to eliminate mission friction, and monitoring overall endpoint health at scale.

Additionally, the individual will act as a primary technical advisor to stakeholders on system risks and engineering considerations, provide advanced forensic support to the SOC during critical high-priority incidents, and actively mentor junior and mid-level engineering personnel within the program

Our minimum requirements for this role:

• Experience with Microsoft Defender for Endpoint (MDE) Expertise: Proven engineering experience with MDE architecture, deployment strategies via MECM/SCCM or Intune, policy ring management, and advanced hunting using Kusto Query Language (KQL).
• Trellix HX Expertise: Demonstrated experience engineering, deploying, and managing Trellix HX (formerly FireEye) controllers and agents within air-gapped or highly restricted networks, including the creation of OpenIOC and YARA rules.