Principal Endpoint Security Systems Engineer
AI summary of the role
Principal Endpoint Security Systems Engineer to design, deploy, maintain, and upgrade endpoint security capabilities in a hybrid cloud/on-prem mission environment.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Maintain and upgrade Trellix ePolicy Orchestrator central management consoles on multiple isolated networks
- Manage integration of Linux and Windows mission application servers with the endpoint security management console
- Deploy malware protection updates and improved scan exclusion policies to mission application servers
- Respond promptly to troubleshoot integration issues, including cases where real-time scans impede mission performance
What you’ll bring
- Experience with Trellix ePolicy Orchestrator and Trellix Endpoint Threat Protection
- Experience maintaining systems on Linux and Windows platforms
- Experience with incident detection, incident response, and forensics
- Bachelor's degree with at least 12 years relevant experience (additional years may substitute for degree)
Technologies
Trellix ePolicy Orchestrator · Trellix Endpoint Threat Protection · Linux · Windows · Splunk · AppDynamics · Cisco Secure Endpoint · AWS · Rapid7 · SolarWinds
About Leidos
Builds mission-critical technology, engineering, cyber, defense, health, and infrastructure systems for U.S. government, allied, and commercial customers.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
Leidos has an exciting opportunity a Principal Endpoint Security Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security Engineering team. The focus of this team member will be to design, deploy, maintain, and
More from the job description
Leidos has an exciting opportunity a Principal Endpoint Security Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security Engineering team. The focus of this team member will be to design, deploy, maintain, and upgrade endpoint security capabilities, with opportunities for cross training on our other security tools. Working in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and Windows hosted mission systems with the endpoint security product and maintaining the scan policies to ensure proper protection of mission systems from external threats. Primary Responsibilities Maintaining and upgrading the central management consoles (currently Trellix - ePolicy Orchestr [... source excerpt omitted ...] security scan processes for integrated reporting via external tools (such as Splunk or AppDynamics) Investigate findings of malware detected on mission application servers Basic Qualifications Experience with tools such as Trellix ePolicy Orchestrator and Trellix Endpoint Threat Protection Experience with maintaining systems on Linux and Windows platforms Ability to partner with mission application teams to jointly troubleshoot issues with endpoint security integration Experience with incident detection, incident response and forensics activities Strong attention to detail with analytical mind and outstanding problem-solving skills Bachelor’s degree with at least 12 or more yea [... source excerpt omitted ...] levant experience. Additional years of experience may be substituted in lieu of a degree. To be considered must have an active TS/SCI with polygraph security clearance Preferred Qualifications Experience with Cisco Secure Endpoint (formerly AMP for Endpoints) or other endpoint security tools Experience with Cloud Computing Technologies/Amazon Web Services (AWS) Experience integrating endpoint security tool findings with external products such as Splunk or AppDynamics Experience with managing endpoint security across on-prem and cloud environment boundaries Experience with additional cyber security tools and processes such as Splunk, Rapid7, SolarWinds, Cisco IDS/IPS, VPN, WebIns
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