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Software Engineer Trellix with Security Clearance

Job in Washington, District of Columbia, 20020, USA
Listing for: Eliassen Group
Full Time position
Listed on 2026-08-05
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security
Salary/Wage Range or Industry Benchmark: 165000 - 184000 USD Yearly USD 165000.00 184000.00 YEAR
Job Description & How to Apply Below
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
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