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Endpoint Security as a Service (ESS) Engineer - Careers at Leidos

Leidos

Endpoint Security as a Service (ESS) Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Endpoint Security as a Service (ESS) Engineer at Leidos

Join Leidos at the Washington Navy Yard, where innovation powers national security missions. As an ESS Engineer and Systems Administrator, you'll elevate critical network infrastructure through advanced security solutions in a highly sensitive environment.

Your Impact

  • Oversee the full lifecycle of ESS and agents: installation, management, maintenance, and optimization.
  • Develop and deploy custom ESS signatures and policies tailored to emerging threats.
  • Monitor for intrusions, failures, and performance issues with proactive vigilance.
  • Ensure secure endpoint operations across all clients and servers.
  • Troubleshoot deployments and policy rollouts in local and remote systems.
  • Perform threat analysis and create custom rules for advanced exploits.
  • Deliver detailed reports on system health, event trends, and module performance.
  • Drive major updates, STIG compliance, and Trellix upgrades.
  • Design network components and pioneer cutting-edge technical solutions.

Basic Qualifications

  • Active Top Secret clearance (SCI eligible).
  • 8+ years IT experience, including 2+ years in ESS.
  • DOD 8570 IAT Level II or higher.
  • Expertise in Windows Server 2016+, Trellix Agent, ENS FW, PA, DLP, RSD, ePO.
  • Strong analytical troubleshooting under pressure.

Preferred Qualifications

  • TS/SCI clearance and DOD 8570 IAT Level III.
  • Experience with RedHat Enterprise Linux, VMware, Microsoft Hypervisor.
  • Familiarity with SADR environments and ePO servers.
  • Basic and Advanced ESS DISA training.

Leidos offers a pay range of $92,300 - $166,850, based on experience, skills, and market factors. This full-time role is perfect for mid-to-senior level professionals ready to lead in cyber defense. Apply now to safeguard America's critical systems.

Locations

  • Washington, District of Columbia, United States

Salary

92,300 - 166,850 USD / yearly

Estimated Salary Rangehigh confidence

92,300 - 166,850 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Endpoint Security as a Service (ESS)intermediate
  • Trellix Agent, ENS FW, PA, DLP, RSD, ePOintermediate
  • Windows Server 2016+intermediate
  • Custom ESS signatures and policiesintermediate
  • Threat analysis and security rulesintermediate
  • STIG compliance and Trellix upgradesintermediate
  • System monitoring and troubleshootingintermediate
  • RedHat Enterprise Linuxintermediate
  • VMware and Microsoft Hypervisorintermediate

Required Qualifications

  • Active Top Secret clearance (SCI eligible) (experience)
  • 8+ years IT experience with 2+ years in ESS (experience)
  • DOD 8570 IAT Level II certification or higher (experience)
  • Expertise in Windows Server 2016+ and Trellix platforms (experience)
  • Strong analytical and troubleshooting skills (experience)
  • TS/SCI clearance (preferred) (experience)
  • DOD 8570 IAT Level III (preferred) (experience)
  • Experience with SADR environments and ePO servers (experience)
  • Basic and Advanced ESS DISA training (preferred) (experience)

Responsibilities

  • Oversee full lifecycle of ESS and agents: install, manage, maintain, optimize
  • Create and deploy custom ESS signatures and policies
  • Proactively monitor ESS for intrusions, failures, and anomalies
  • Ensure reliable and secure endpoint operations across clients and servers
  • Troubleshoot ESS deployments and policy rollouts
  • Conduct threat analysis and craft custom security rules
  • Provide reporting on system health, trends, and performance
  • Support updates, compliance, and STIG-mandated Trellix upgrades
  • Design and evaluate network components and technical solutions

Benefits

  • general: Competitive salary range $92,300 - $166,850
  • general: Mission-critical national security role at Washington Navy Yard
  • general: Collaborative team environment driving innovation
  • general: Opportunities to evaluate emerging technologies
  • general: Comprehensive professional development in cyber defense
  • general: Impactful work safeguarding critical U.S. Navy infrastructure

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Jobs in Washington, DCLeidos CareersCybersecurity HiringDefense IT JobsUnited States Government ContractorsEngineeringInformation TechnologySecurity

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Leidos logo

Endpoint Security as a Service (ESS) Engineer - Careers at Leidos

Leidos

Endpoint Security as a Service (ESS) Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Endpoint Security as a Service (ESS) Engineer at Leidos

Join Leidos at the Washington Navy Yard, where innovation powers national security missions. As an ESS Engineer and Systems Administrator, you'll elevate critical network infrastructure through advanced security solutions in a highly sensitive environment.

Your Impact

  • Oversee the full lifecycle of ESS and agents: installation, management, maintenance, and optimization.
  • Develop and deploy custom ESS signatures and policies tailored to emerging threats.
  • Monitor for intrusions, failures, and performance issues with proactive vigilance.
  • Ensure secure endpoint operations across all clients and servers.
  • Troubleshoot deployments and policy rollouts in local and remote systems.
  • Perform threat analysis and create custom rules for advanced exploits.
  • Deliver detailed reports on system health, event trends, and module performance.
  • Drive major updates, STIG compliance, and Trellix upgrades.
  • Design network components and pioneer cutting-edge technical solutions.

Basic Qualifications

  • Active Top Secret clearance (SCI eligible).
  • 8+ years IT experience, including 2+ years in ESS.
  • DOD 8570 IAT Level II or higher.
  • Expertise in Windows Server 2016+, Trellix Agent, ENS FW, PA, DLP, RSD, ePO.
  • Strong analytical troubleshooting under pressure.

Preferred Qualifications

  • TS/SCI clearance and DOD 8570 IAT Level III.
  • Experience with RedHat Enterprise Linux, VMware, Microsoft Hypervisor.
  • Familiarity with SADR environments and ePO servers.
  • Basic and Advanced ESS DISA training.

Leidos offers a pay range of $92,300 - $166,850, based on experience, skills, and market factors. This full-time role is perfect for mid-to-senior level professionals ready to lead in cyber defense. Apply now to safeguard America's critical systems.

Locations

  • Washington, District of Columbia, United States

Salary

92,300 - 166,850 USD / yearly

Estimated Salary Rangehigh confidence

92,300 - 166,850 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Endpoint Security as a Service (ESS)intermediate
  • Trellix Agent, ENS FW, PA, DLP, RSD, ePOintermediate
  • Windows Server 2016+intermediate
  • Custom ESS signatures and policiesintermediate
  • Threat analysis and security rulesintermediate
  • STIG compliance and Trellix upgradesintermediate
  • System monitoring and troubleshootingintermediate
  • RedHat Enterprise Linuxintermediate
  • VMware and Microsoft Hypervisorintermediate

Required Qualifications

  • Active Top Secret clearance (SCI eligible) (experience)
  • 8+ years IT experience with 2+ years in ESS (experience)
  • DOD 8570 IAT Level II certification or higher (experience)
  • Expertise in Windows Server 2016+ and Trellix platforms (experience)
  • Strong analytical and troubleshooting skills (experience)
  • TS/SCI clearance (preferred) (experience)
  • DOD 8570 IAT Level III (preferred) (experience)
  • Experience with SADR environments and ePO servers (experience)
  • Basic and Advanced ESS DISA training (preferred) (experience)

Responsibilities

  • Oversee full lifecycle of ESS and agents: install, manage, maintain, optimize
  • Create and deploy custom ESS signatures and policies
  • Proactively monitor ESS for intrusions, failures, and anomalies
  • Ensure reliable and secure endpoint operations across clients and servers
  • Troubleshoot ESS deployments and policy rollouts
  • Conduct threat analysis and craft custom security rules
  • Provide reporting on system health, trends, and performance
  • Support updates, compliance, and STIG-mandated Trellix upgrades
  • Design and evaluate network components and technical solutions

Benefits

  • general: Competitive salary range $92,300 - $166,850
  • general: Mission-critical national security role at Washington Navy Yard
  • general: Collaborative team environment driving innovation
  • general: Opportunities to evaluate emerging technologies
  • general: Comprehensive professional development in cyber defense
  • general: Impactful work safeguarding critical U.S. Navy infrastructure

Target Your Resume for "Endpoint Security as a Service (ESS) Engineer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Endpoint Security as a Service (ESS) Engineer - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Endpoint Security as a Service (ESS) Engineer - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Washington, DCLeidos CareersCybersecurity HiringDefense IT JobsUnited States Government ContractorsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Endpoint Security as a Service (ESS) Engineer - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.