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Job #: R-00019416
Location: Suitland, MD
Category: Cyber Security
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret/SCI
Referral Eligibility: Eligible
Group: Defense

This job posting is no longer active.

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Job Description:

Leidos is hiring a Defensive Cyber Operations (DCO) Analyst to support ONI, DoD, DoN, and the IC. The successful candidate will perform Defensive Cyber Operations activities,supporting ONI’s cyber security mission.

This position is in Suitland, MD and requires an active TS/SCI clearance.

Primary Responsibilities

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

Basic Qualifications

Active TS/SCI clearance

BS in a related field and 4+ years of relevant experience OR 8+ years of experience in related field in lieu of degree

Certified Ethical Hacker (CEH), GIAC Certified Intrusion Analyst (GCIA), Certified Network Defense Architect(CNDA), GIAC Certified Incident Handler (GCIH), or Computer Security Incident Handler (CSIH) certification or willingness to achieve certification within 6 months of hire

4+ years of experience in computer network defense CND\cyber security disciplines

Knowledge of networking protocols, TCP/IP, OSI model, O/S, file systems, ports, Windows, Unix/Linux

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

Excellent written and oral communication skills; critical thinking skills and strong attention to detail

Preferred Qualifications
Experience with HBSS, Vulnerability Management Software, SIEM and/or data aggregation tools

Experience with virtualization technologies, including VMWare and Amazon Web Services

Experience with WireShark


External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret/SCI


Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Cyber Security


Leidos is a Fortune 500® information technology, engineering, and science solutions and services 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 annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

This job posting is no longer active.

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