Senior Endpoint Security Engineer: Hybrid Cloud

Leidos LLC; Plyers Mill Estates (MD); Hybrid; USD 131,000 - 237,000; Full time

Benefits offered by this job

PTO

11 paid Holidays

401K with 6% company match

Flexible schedules

Discounted stock purchase

Technical upskilling

Education and training support

Parental paid leave

Job summary

Leidos is seeking a Principal Endpoint Security Systems Engineer to design, deploy, maintain, and upgrade endpoint security across hybrid cloud and on‑prem environments. You will work with Trellix products on Linux/Windows mission systems and help integrate reporting with Splunk or AppDynamics.

The role requires strong incident response/forensics experience, a Bachelor’s degree or equivalent, and an active TS/SCI with polygraph clearance.

Qualifications

• Experience with Trellix ePolicy Orchestrator and Trellix Endpoint Protection.
• Experience maintaining Linux and Windows systems.
• Proven ability to troubleshoot endpoint security integration with mission apps.
• Experience in incident detection, response and forensics.
• Strong detail orientation and analytical problem solving.
• Active TS/SCI clearance with polygraph is required.

Responsibilities

• Maintain and upgrade central management consoles on isolated networks.
• Integrate mission servers with the management console and endpoint tools.
• Deploy malware protection updates and refine scan exclusions for mission systems.
• Troubleshoot integration issues with mission teams and optimize performance.
• Automate endpoint security workflows and reporting across hybrid environments.
• Correlate findings with external tools like Splunk or AppDynamics.

Skills

Trellix ePolicy Orchestrator

Trellix Endpoint Protection

Linux

Windows

Incident response

Forensics

Analytical thinking

Education

Bachelor’s degree or equivalent experience

Job description

Leidos is seeking a Principal Endpoint Security Systems Engineer to design, deploy, maintain, and upgrade endpoint security across hybrid cloud and on‑prem environments. You will work with Trellix products on Linux/Windows mission systems and help integrate reporting with Splunk or AppDynamics.

The role requires strong incident response/forensics experience, a Bachelor’s degree or equivalent, and an active TS/SCI with polygraph clearance.