Defensive Cyber Operations (DCO) Analyst


The Defense Group has an opening for a Mid-Level Defensive Cyber Operations (DCO) Analyst to provide support to ONI, DoD, DoN, and the IC. The successful candidate will perform Defensive Cyber Operations activities,

supporting ONI’s cyber security mission.




•Research advanced persistent threats and emerging cyber threats

•Create finished intelligence products, including briefings and situation reports

•Perform Indications & Warnings analysis

•Write technical documents

•Develop and implement computer network defense tactics

•Support vulnerability management and assessment technologies, and cyber security tools

•Conduct vulnerability assessments

•Coordinate incident response in the instance of a cyber security incident or breach

•Identify and classify attacks, malware, signatures, and countermeasures


•Bachelor’s degree in Computer Science, Information Technology, Information Assurance, or related field

OR 8+ years of experience in related field in lieu of degree

•5+ years of experience in computer network defense/ defensive cyber operations

•2+ years of experience with DoD Directive 8530.02M, CJCS Instruction 6510.01F, CJCSM 6510.01B

•Computer Network Defense Certification

•3+ years of experience with cyber security technology, including design, development, integration, implementation, operation, and analysis

•5+ years of experience with LAN/WAN, networking protocols, TCP/IP, OSI model, O/S, file systems, ports, Windows, Unix/Linux

•Experience with McAfee ePolicy Orchestrator(HBSS), Tenable Security Center/Nessus (ACAS) and Intrusion Detection/Prevention Systems

•Knowledge of computer network defense policies and procedures, general attack stages, and common adversary tactics, techniques, and procedures

•Experience with virtualization technologies, including VMWare and VirtualBox

•Experience with WireShark

•Excellent written and oral communication skills

•Briefing experience

•Critical thinking skills and strong attention to detail
Leidos Overview:
Leidos is an applied solutions company focused on markets that are seeing converging business and technological trends, and address basic, enduring human needs: defense and national security, health and life sciences, and energy, engineering and infrastructure. The Company’s approximately 20,000 employees serve customers in the U.S. Department of Defense, the intelligence community, the U.S. Department of Homeland Security, other U.S. Government civil agencies and commercial health and engineering markets. Qualified women, minorities, individuals with disabilities and protected veterans are encouraged to apply. Leidos is an Equal Opportunity Employer.


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