Senior Endpoint Security Consultant – TS/SCI FS Poly

Society of Defense Financial Management; Reston (VA); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Society of Defense Financial Management in Reston, VA is seeking a Senior Endpoint Security Consultant to deploy, integrate and support enterprise endpoint protection technologies within a highly secure DoD environment.

This is a hands-on role focused on cyber defense, endpoint security operations, EDR and DLP across large-scale infrastructure, with requirement of TS/SCI with Full Scope Polygraph and DoD 8570/8140 certification.

Qualifications

• Experience with endpoint security technologies such as ENS, EDR, DLP and ePO.
• Strong Windows and/or Linux administration experience.
• Background in cybersecurity engineering, cyber operations or systems engineering.
• Experience supporting enterprise or federal security environments.
• Familiarity with Active Directory, virtualization and cloud platforms.
• Strong troubleshooting and customer-facing communication skills.
• Active DoD 8570/8140 certification.

Responsibilities

• Deploy, configure and support enterprise endpoint security solutions
• Support EDR and DLP operations across complex environments
• Participate in system integrations, migrations and upgrades
• Perform troubleshooting, log analysis and incident support
• Develop SOPs, playbooks, deployment plans and technical documentation
• Support testing, tuning and policy development
• Work closely with security operations, infrastructure and engineering teams
• Participate in deployment planning and operational support activities
• Monitor system health, performance and security posture

Skills

Windows Admin

Linux Admin

Troubleshooting

Customer-Facing

Cybersecurity Engineering

Tools

ENS

EDR

DLP

ePO

Active Directory

Virtualization

Job description

Senior Endpoint Security Consultant – TS/SCI FS Poly

Reston, VA (Onsite)

TS/SCI with Full Scope Polygraph Required

We are supporting a major federal cybersecurity program seeking a Senior Endpoint Security Consultant to help deploy, integrate and support enterprise endpoint protection technologies within a highly secure environment.

This is a hands‑on consulting and engineering role focused on cyber defense, endpoint security operations, EDR and DLP technologies across large-scale enterprise infrastructure.

Responsibilities:

• Deploy, configure and support enterprise endpoint security solutions
• Support EDR and DLP operations across complex environments
• Participate in system integrations, migrations and upgrades
• Perform troubleshooting, log analysis and incident support
• Develop SOPs, playbooks, deployment plans and technical documentation
• Support testing, tuning and policy development
• Work closely with security operations, infrastructure and engineering teams
• Participate in deployment planning and operational support activities
• Monitor system health, performance and security posture

Required Experience:

• Experience with endpoint security technologies such as ENS, EDR, DLP and ePO
• Strong Windows and/or Linux administration experience
• Background in cybersecurity engineering, cyber operations or systems engineering
• Experience supporting enterprise or federal security environments
• Familiarity with Active Directory, virtualization and cloud platforms
• Strong troubleshooting and customer‑facing communication skills
• Active DoD 8570/8140 certification

Required Clearance:

• Active TS/SCI with Full Scope Polygraph

This is an excellent opportunity to support mission‑critical national security initiatives within a highly technical cybersecurity environment.