Leidos · 20 hours ago
Active Cyber Defense Engineer - SME I
Aberdeen Proving Ground, MD
Full-time
Onsite
Senior Level, Lead/Staff
$108K/yr - $195K/yr
8+ years expLeidos, a FORTUNE 500 company, is a global leader in delivering innovative technology solutions to customers in national security, engineering, and health industries. They are seeking an Active Cyber Defense Engineer, SME I to monitor and analyze the security posture of networks and systems, contributing to the goals of the CYBERTRON program for the U.S. Army.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Plans and implements robust security architectures and measures to protect networks, data, and infrastructure, leveraging technologies such as firewalls, intrusion detection/prevention systems (IDS/IPS), and endpoint security solutions
Engages in proactive threat-hunting activities, analyzes complex network security architectures to identify vulnerabilities, and develops countermeasures to prevent future incidents
Leads incident response efforts, conducts complex forensic investigations to trace the source of threats, performs malware analysis/reverse engineering, and develops remediation strategies
Assesses system vulnerabilities, conducts technical and operational risk assessments using frameworks like NIST or ISO 27001, and proposes/implements risk mitigation strategies
Develops and integrates automated workflows for continuous monitoring, evidence collection, and compliance validation using scripting and orchestration tools
Consults on cybersecurity policies, procedures, and governance, ensuring compliance with technological standards and regulatory requirements (e.g., DoD RMF, FISMA)
Provides strategic advice, technical guidance, and training to project teams and management, acting as the primary subject matter expert in relevant cyber defense areas
Qualification
Required
Must be a US Citizen and possess a Secret Clearance
Bachelor's degree in computer science, systems engineering, cybersecurity or other engineering discipline with up to 8+ years of relevant experience
Appropriate DoD 8750 certification (Security+ or higher)
Requires expert knowledge of and ability to apply advanced technical principles, theories, and concepts
Must possess an active DoD Secret clearance at time of consideration
Preferred
Eligible for TS / SCI
Master's degree in computer science, systems engineering, cybersecurity or other engineering discipline
Experience supporting Army programs
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
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2025-12-16
2025-12-16
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