National Cyber Defense Countermeasures Engineer

Koitecc Solutions; Illinois; On-site; USD 94,000 - 157,000; Full time

Job summary

Leidos is seeking a Countermeasures Engineer to defend DoD networks by designing and deploying innovative countermeasures and malware detection technologies. You will advance threat intelligence, automate cyber defenses, and collaborate with DISA and mission partners to strengthen national security.

The role requires active Top-Secret clearance, DoD 8570 IAT Level II, CSSP-A certification within 180 days, and hands-on experience with Python/Java/C++.

Qualifications

• Active DoD Top-Secret Clearance.
• Bachelor's degree in Computer Science, Cybersecurity, Computer Engineering, or related field with 8+ years hands-on experience.
• DoD 8570 IAT Level II certification (Security+ CE or equivalent), CSSP-A certification required within 180 days.
• Strong programming proficiency in Python, Java, Ruby, or C++.
• Proven experience developing custom malware detection capabilities.

Responsibilities

• Design and deploy countermeasures to neutralize threats on Classified terrain.
• Develop malware detection capabilities tailored to threat actor techniques.
• Evaluate countermeasure effectiveness against evolving APTs and adapt strategies in real-time.
• Apply Detection-as-a-Code principles to create scalable, version-controlled security solutions.
• Architect and build automated cybersecurity solutions at enterprise scale.
• Develop integrations, data correlation engines, and processing pipelines to reduce cyber risk.

Skills

Top-Secret clearance

Programming in Python/Java/C++

Education

Bachelor's degree in CS/Cybersecurity/Engineering

Tools

Git

Sigma

Yara

Snort

Suricata

Job description

Leidos is seeking a Countermeasures Engineer to defend DoD networks by designing and deploying innovative countermeasures and malware detection technologies. You will advance threat intelligence, automate cyber defenses, and collaborate with DISA and mission partners to strengthen national security.

The role requires active Top-Secret clearance, DoD 8570 IAT Level II, CSSP-A certification within 180 days, and hands-on experience with Python/Java/C++.