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Cyber Security Engineer


 Leidos has an opening for Cyber Security Engineer within our Defense and Intelligence Business at our Fort Belvoir, Virginia office.



Responsible for maintaining the integrity and security of enterprise-wide cyber systems and networks. Supports cyber security initiatives through both predictive and reactive analysis, articulating emerging trends to leadership and staff.

-Coordinates resources during enterprise incident response efforts, driving incidents to timely and complete resolution.

-Supports internal HR/Legal/Ethics investigations as forensic subject matter expert.

-Performs network traffic analysis utilizing raw packet data, net flow, IDS, and custom sensor output as it pertains to the cyber security of communications networks.

-Reviews threat data from various sources and develops custom signatures for Open Source IDS or other custom detection capabilities.

-Correlates actionable security events from various sources including Security Information Management System (SIMS) data and develops unique correlation techniques. Utilizes understanding of attack signatures, tactics, techniques and procedures associated with advanced threats.

-Develops analytical products fusing enterprise and all-source intelligence.

-May conduct malware analysis of attacker tools providing indicators for enterprise defensive measures, and reverse engineer attacker encoding protocols.

-Interfaces with external entities including law enforcement organizations, intelligence community organizations and other government agencies such as the Department of Defense.



-BS and 4+ of prior relevant experience or Masters with 2+ years of prior relevant experience.
-3+ years of IT experience.
-Experience with Splunk or Sourcefire or ArcSight or similar tools.
-Must have DoD 8570 "CND Analyst" certificate such as CEH, GCIA or GCIH.
-Must hold IAT II certification or greater (Security+, CCNA Security or higher).
-Ability to work effectively independently as well as within a team environment
-Active Top Secret Clearance or higher.
-Must be able to support mid-shift (6am-2:30pm).




External Referral Eligible.

Leidos Overview:
Leidos is a global science and technology solutions leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company’s 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported pro forma annual revenues of approximately $10 billion for the fiscal year ended January 1, 2016 after giving effect to the recently completed combination of Leidos with Lockheed Martin’s Information Systems & Global Solutions business (IS&GS). For more information, visit The company’s diverse employees support vital missions for government and commercial customers. Qualified women, minorities, individuals with disabilities and protected veterans are encouraged to apply. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an Equal Opportunity Employer.

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