Senior Endpoint Security Engineer — Hybrid Cloud Defense

Leidos; Bethesda (MD); Hybrid; USD 108,000 - 195,000; Full time

Benefits offered by this job

Competitive benefits

Paid Time Off

11 holidays

401K with company match

Education and training support

Parental paid leave

Job summary

Leidos is seeking an experienced Sr. Endpoint Security Systems Engineer to design, deploy, maintain, and upgrade endpoint security capabilities within a hybrid cloud/on-prem mission environment.

You will integrate Linux and Windows mission systems with Trellix products, maintain scan policies, and support cross-training on security tools. The role emphasizes ensuring protection of mission systems, collaboration with mission teams, and escalation-ready incident response and forensics expertise.

Qualifications

• Bachelor’s degree with 8 or more years relevant experience. Additional years of experience may be substituted in lieu of a degree.
• Experience with incident detection, incident response and forensics activities.
• Experience with maintaining systems on Linux and Windows platforms.
• Ability to partner with mission application teams to jointly troubleshoot issues with endpoint security integration.

Responsibilities

• Maintaining and upgrading the central management consoles (Tre llix ePolicy Orchestrator) on multiple isolated networks.
• Managing the integration of mission application servers (Linux and Windows) with the management console.
• Deploying malware protection software updates and improved scan exclusion policies to mission application servers.
• Responding to mission teams to troubleshoot integration issues and improve performance.
• Automating and improving endpoint security performance in a hybrid cloud/on-prem environment.
• Integrating endpoint security scan processes for reporting via external tools (Splunk, AppDynamics).
• Investigating malware findings on mission servers.

Skills

Incident response

Forensics

Analytical mindset

Team collaboration

Education

Bachelor's degree

Tools

Trellix ePolicy Orchestrator

Trellix Endpoint Threat Protection

Linux

Windows

Splunk

AppDynamics

AWS

Cisco Secure Endpoint

Job description

Leidos is seeking an experienced Sr. Endpoint Security Systems Engineer to design, deploy, maintain, and upgrade endpoint security capabilities within a hybrid cloud/on-prem mission environment.

You will integrate Linux and Windows mission systems with Trellix products, maintain scan policies, and support cross-training on security tools. The role emphasizes ensuring protection of mission systems, collaboration with mission teams, and escalation-ready incident response and forensics expertise.