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# Endpoint Security Eng (MDE & Trellix) [$301k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Annapolis Junction, MD, United States
- **Salary:** $301,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Apple Mac Systems, Systems Engineering, Confluence, JIRA, Microsoft Azure, Intelligence Analysis, Linux Kernel, Virtual Desktops, Software Architecture, Kusto Query Language, Azure Security Center
- **Published:** June 27, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8999926/endpoint-security-eng-mde-trellix-301kyr-tssci-fs-poly

## About the Role

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered.

We are looking for an Endpoint Security Engineer to architect, deploy, and manage defense-in-depth threat protection solutions across air-gapped networks using Microsoft Defender (MDE), KQL, and Trellix HX.

Qualifications & Compensation:

 * Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 20+ years
 * Total Compensation: $301k+ yearly

## Description

* Lead the lifecycle engineering and scale-out architecture of endpoint security solutions, including Microsoft Defender for Endpoint (MDE) and Trellix HX, across hybrid environments (on-premises, cloud, and virtual desktop infrastructures).
 * Author complex system engineering and implementation plans.
 * Tune agent configurations and exclusion policies to eliminate mission friction.
 * Monitor overall endpoint health at scale.
 * Collaborate closely with threat hunting and intelligence analysts to translate actionable threat intelligence into custom technical indicators of compromise (IOCs).
 * Utilize Kusto Query Language (KQL) and YARA rules for IOC development.
 * Act as a primary technical advisor to stakeholders on system risks and engineering considerations.
 * Provide advanced forensic support to the Security Operations Center (SOC) during critical high-priority incidents.
 * Actively mentor junior and mid-level engineering personnel within the program.
 * Key skills include: Systems Engineering, Software Architecture, Technical Team Leadership, Microsoft Azure, Windows internals/drivers, Linux internals/drivers, MacOS, JIRA, Confluence, Model-Based Systems Engineering.


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