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Software Engineer Trellix with Security Clearance
Eliassen GroupWashington, DC🇺🇸United StatesPosted 13 Jul 2026
Quick Overview
Salary
$165k - $184k/yr
Work Type
On Site
Schedule
Employee
Level
Mid Senior
Job Description
As Sr. Software Engineer II (Trellix), you’ll design and manage enterprise endpoint security solutions across DoD and IC environments, with deep expertise in Trellix and Windows/Linux systems. You will also lead engineering efforts, support incident response, and deliver technical reporting in classified, high-availability settings. Location: Onsite – Washington, DC
Type: Salary Clearance: Active TS/SCI security clearance
SALARY RANGE: $165,000 - $184,000 What you’ll do:
• Implement and apply technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access
• Provide engineering and sustainment support for the various endpoint security solutions
• Establish computing environment by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards
• Provide specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements
• Work with both the software vendor and the customer to research, analyze, and implement enterprise-wide security solutions/capabilities/enhancements to support customer business/mission goals and objectives
• Assist with design, analysis, testing and implementation of state-of-the-art secure architectures
• Oversee security infrastructure sustainment, maintenance, and advanced configuration (policy management, database administration and security management tools.)
• Oversee the reporting, documentation and investigation of all security related incidents; lead the development and implementation of corrective measures What you’ll need to succeed:
• An Active TS/SCI security clearance
• 7 years of experience in Software Engineering
• DoD 8140 (DCWF CSSP Infrastructure Support certification )
• Strong working knowledge of administering applications in a Windows and Linux environment
• Expert-level knowledge in deploying and managing Trellix ePO, Threat Prevention, DLP, Endpoint Security (ENS), Data Loss Prevention (DLP), Policy Auditor, File Integrity Monitor (FIM) and Application Whitelisting
• Demonstrated experience setting up Trellix from scratch, including policy configuration, system deployment, and integration with Microsoft SQL databases
• Experience with large-scale enterprise/global networks in a high-paced, diverse environment
• Understanding of and experience with the IC Architecture Framework and other key network architecture and strategic planning instructions
• Experience in providing status reports and products to senior management and customers
• Experience with plans, designs, and evaluations of security systems and architectures
Type: Salary Clearance: Active TS/SCI security clearance
SALARY RANGE: $165,000 - $184,000 What you’ll do:
• Implement and apply technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access
• Provide engineering and sustainment support for the various endpoint security solutions
• Establish computing environment by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards
• Provide specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements
• Work with both the software vendor and the customer to research, analyze, and implement enterprise-wide security solutions/capabilities/enhancements to support customer business/mission goals and objectives
• Assist with design, analysis, testing and implementation of state-of-the-art secure architectures
• Oversee security infrastructure sustainment, maintenance, and advanced configuration (policy management, database administration and security management tools.)
• Oversee the reporting, documentation and investigation of all security related incidents; lead the development and implementation of corrective measures What you’ll need to succeed:
• An Active TS/SCI security clearance
• 7 years of experience in Software Engineering
• DoD 8140 (DCWF CSSP Infrastructure Support certification )
• Strong working knowledge of administering applications in a Windows and Linux environment
• Expert-level knowledge in deploying and managing Trellix ePO, Threat Prevention, DLP, Endpoint Security (ENS), Data Loss Prevention (DLP), Policy Auditor, File Integrity Monitor (FIM) and Application Whitelisting
• Demonstrated experience setting up Trellix from scratch, including policy configuration, system deployment, and integration with Microsoft SQL databases
• Experience with large-scale enterprise/global networks in a high-paced, diverse environment
• Understanding of and experience with the IC Architecture Framework and other key network architecture and strategic planning instructions
• Experience in providing status reports and products to senior management and customers
• Experience with plans, designs, and evaluations of security systems and architectures
Skills
SQL
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