Endpoint Security Systems Engineer, Cybersecurity

Job overview

The Endpoint Security Systems Engineer role is hybrid, with three days onsite in Adelphi, MD; compensation is not specified. The position supports endpoint protection and architecture for mission assets and requires an active Top Secret/SCI clearance, with Secret active to start. The engineer designs, deploys, configures, optimizes, and sustains host-based defense capabilities across enterprise systems. The work advances Trellix endpoint management and integrates Elastic Defend as a complementary detection capability to protect Windows, Linux, and macOS platforms in on-premises and cloud IaaS environments.

What you'll do

• Maintain, upgrade, and harden Trellix ePO management consoles
• engineer and sustain Trellix and Elastic endpoint agents
• manage endpoint integration and agent lifecycle across Windows, Linux, and macOS
• tune scan exclusions, behavioral and DLP rules, and content updates
• troubleshoot agent connectivity, deployment, policy, and performance issues
• maintain compliance with DISA STIGs and endpoint requirements
• collaborate with threat detection teams on signatures, indicators of compromise, and containment policies.

What we're looking for

Skills & competencies

endpoint security

systems engineer

cybersecurity

special aerospace security services inc

hybrid

adelphi md

three days onsite

full-time

day shift

trellix epo

elastic defend

ts/sci clearance

windows linux macos

disa stigs

Work arrangement

• Weekend coverage required

Why this role

Requires U.S. citizenship and active Top Secret/SCI clearance (Secret active to start), plus qualifying DoD 8140 certification. Schedule is full-time day shift. The listing identifies Adelphi, MD as the hybrid work location, while the feed location is Fort Meade, MD.

About the employer

SPECIAL AEROSPACE SECURITY SERVICES INC is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.