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Job #: R-00027607
Location: Suitland, MD
Category: Cyber Operations
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret/SCI
Referral Eligibility: Eligible
Group: Defense

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Job Description:

Leidos is hiring a Defensive Cyber Operations (DCO) Incident Responder to support ONI, DoD, DoN, and the IC. The successful candidate will perform Defensive Cyber Operations Incident Response activities, supporting ONI’s cyber security mission. This position is in Suitland, MD and requires an active TS/SCI clearance. 

Primary Responsibilities

Coordinate incident response in the instance of a cybersecurity incident or breach Identify and classify attacks, malware, spillage, and countermeasures 
Research advanced persistent threats and emerging cyber threats 
Create finished intelligence products, including briefings and situation reports 
Perform Indications & Warnings analysis 
Develop and implement computer network defense tactics 
Support vulnerability management and assessment technologies, and cybersecurity tools 
Conduct vulnerability assessments 

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.

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

Preferred Qualifications

Experience with DoD, IC Incident Response Policy and Procedures

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret/SCI



Scheduled Weekly Hours:




Requisition Category:


Job Family:

Cyber Operations


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.

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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.

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