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Job Summary

Knowledge Consulting Group
Arlington, VA 22201
Computer/IT Services
Job Type
Full Time
Years of Experience
More than 15 Years
Education Level
Bachelor's Degree
Job Reference Code

Principal Vulnerability Security Engineer

About the Job

Knowledge Consulting Group (KCG) is one of the largest privately held cybersecurity services firms in the United States; serving as a Federal Government Contractor and supporting Commercial customers. We operate as a trusted cyber advisor to our customers across the country. We take great pride in maintaining a single focus on being the leader in cybersecurity services, providing risk management, governance, operations, and compliance services, utilizing our CISO framework methodology. We are uniquely positioned as a trusted cyber advisor with over 90 percent of our cyber professionals holding security clearances and security-specific certifications. With over 12 years of experience in providing cybersecurity services to our customers, we have a strong record of past performance in advising and executing cyber missions for all types of organizations and sectors. 

Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.  Must be TS/SCI eligible or held SCI in the past 2 years.


Candidates will serve as a Principal Vulnerability Security Engineer and will on a daily basis review vulnerability status of the environment.  This will include reviewing vulnerability and compliance scanning tool results and issuing findings and POA&Ms.  Additionally, the candidate will review emerging threats and vulnerabilities and establish procedures to test for the presence of them in the environment.


•           Must possess 15 years related experience and a Bachelor’s Degree.

We are seeking a candidate to lead security assessment, developing advanced security scenarios and testing systems based upon those scenarios.  Development of custom countermeasures, performing advanced code analysis and performing advanced protocol analysis for Nation-state and State-sponsored cyber threat actor capabilities..

•           Background using vulnerability and compliance testing is a must;

•           Must have strong experience performing web penetration testing or vulnerability assessments;

•           Experience with McAfee Vulnerability Manager and Policy Auditor or similar tools (Nessus, Symantec, Tripwire, Trend Micro);

•           Ability to think critically;

•           Provide clear and effective verbal and written communication;

•           Candidates should have the ability to create test scripts scenarios. 

•           CISSP, CEH, or similar certification is preferred.

•           McAfee certifications is a plus.


Strong verbal and written communication skills are highly preferred.  It is highly desired that candidates possess strong interpersonal skills.  Candidates must be fluent in the English language.

Candidates may be asked to provide a writing sample.


Knowledge Consulting Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status.

If interested in the position, please apply directly through our website:



If you have questions or have trouble applying, you may contact:  katie.hanson@knowledgecg.com.


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