ForeScout Security Engineer - Threat Defense Lead

ENS Solutions, LLC; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical/Dental/Vision coverage

401k contribution from Day 1

PTO and 11 paid federal holidays

Disability insurance

Group term life insurance

Tuition, certification & professional‑

Relocation assistance

Job summary

ENS Solutions, LLC seeks an experienced security engineer to implement and operate next‑generation cyber defense tools for government and commercial clients. You will lead a team delivering hands‑on evaluation, deployment, and operation of security solutions, applying defense strategies to large networks and complex environments.

You will mentor staff, solve advanced security challenges, and collaborate across teams to protect mission‑critical data and networks, including Active Directory and

Qualifications

• DoD 8570 IAT Level III Certification required or within 30 days of start date
• Experience with Windows/Linux system administration and basic troubleshooting
• Experience deploying or maintaining ForeScout CounterACT appliances
• Knowledge of multi-domain architectures including data center, WAN, and LAN in virtualized environments
• Ability to obtain DoD 8570 CSSP-IS certification prior to start date

Responsibilities

• Develop relationships quickly with other teams and communicate security complexities to diverse audiences
• Manage infrastructure and cybersecurity controls, including enhanced detection and improved event correlation in large enterprises
• Contribute to risk and vulnerability assessments across network, system, and application areas using big data analytics and traditional security events

Skills

TS/SCI clearance

ForeScout CounterACT

Active Directory

Network security

Excellent communication

Education

Bachelor's degree

Master's degree

Security certifications (CISSP/CISA)

Tools

ForeScout CounterACT

Splunk

Job description

ENS Solutions, LLC seeks an experienced security engineer to implement and operate next‑generation cyber defense tools for government and commercial clients. You will lead a team delivering hands‑on evaluation, deployment, and operation of security solutions, applying defense strategies to large networks and complex environments.

You will mentor staff, solve advanced security challenges, and collaborate across teams to protect mission‑critical data and networks, including Active Directory and