Featured Job

Senior Security Engineer

St Louis, MO Full-time On-site $135k — $145k per year 10/02/2026 Job ID: 000362
Apply Now
Endpoint Security Enterprise Security Technologies Security Tools (hardware/software) Vendor Integration Linux administration

Summary

What you’ll impact

The Senior Endpoint Security Engineer will design, implement, and support endpoint security solutions for the organization, collaborating with cross-functional teams and vendors to protect mission-critical networks and data. This role requires an active TS/SCI clearance and extensive cybersecurity experience to lead incident response, ensure compliance with DoD frameworks, and enhance the organization’s security posture.

Responsibilities

What you'll do

  • Design, implement, and support endpoint security solutions to safeguard mission-critical networks and data
  • Collaborate with cross-functional teams to deploy and maintain enterprise security technologies
  • Apply deep technical knowledge to recommend hardware/software tools that improve endpoint security posture
  • Work with vendors and internal stakeholders to integrate, test, and enhance security platforms
  • Manage Linux-based security tools and perform advanced configuration and troubleshooting
  • Support incident response by analyzing and documenting security events and leading mitigation strategies
  • Ensure compliance with system standards and DoD cybersecurity frameworks

Requirements

What you’ll bring

  • Active TS/SCI clearance (must be willing to pass a post-hire Government polygraph)
  • DoD 8570 IAT Level II certification (e.g., Security+ CE)
  • Ability to obtain a CSSP Infrastructure Support certification within 6 months
  • Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)
  • 10+ years of experience in Cybersecurity, with a strong background in endpoint security engineering
  • Hands-on experience with tools such as HBSS, Carbon Black, Microsoft ATA, Tanium
  • Proficiency in Linux administration
  • Familiarity with DoD Architecture Framework and enterprise-scale cybersecurity practices

Ready to Move Forward?

Apply now and our recruiting team will reach out with next steps, interview guidance, and client insights tailored to this role.