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Job #: R-00015753
Location: Columbia, MD
Category: Cyber Security
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: None
Referral Eligibility: Eligible
Group: Civil


Job Requisition:

Information Assurance Security Tester

Job Description:

Job Description:
The Leidos Security Assurance Engineer in support of Common Criteria (CC) certifications performs initial assessment of security functions; consults in development of process, design, and test documentation; and conducts the evaluation of security products based on available documentation. The Security engineer will devise and execute Common Criteria testing of commercial products to include its configuration, its operation and affirmation of its ability to meet common criteria required secure IT functionality. 
What You Will Get to Do:
-    Work on varied computer security Common Criteria Evaluation and FIPS 140-2 validation projects
-    General security analysis
-    Design work (product architecture)
-    Vulnerability testing
-    Physical security testing
-    Product evaluations against  standard Technology Type (Protection Profiles)
-    Cryptographic and Public Key Infrastructure (PKI) testing
-    Cryptographic algorithm testing
-    Source code review activities 
-    Technical report writing and review
-    Testing automation through scripting
-    Develop applications to support test cases
You Will Bring These Qualifications:
-     Requires BS degree and 2 – 4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience.
-    Knowledge of cryptographic encryption algorithms, key exchange algorithms, hashing/message authentication algorithms, PKI, random number generators, etc.
-    Experience with various programming languages (C, C++, Python or Java) and development environments.
-    Ability to comprehend security standard requirements and apply them to products. 
-    Experience setting up networks and familiarity with subnetting and routing concepts.
-    Knowledge of common security related protocols and their design (i.e. SSH, IPsec, TLS, etc.).
-    Experience building testing environments, performing testing and reporting results (technical writing).
-    Strong troubleshooting and problem solving skills.
-    Strong multitasking and time management.
These Qualifications Would be Nice to Have:
-    Experience with debugging (Android debug bridge (adb), WinDBG, Visual Studio, etc.).
-    Experience with statistical analysis of entropy sources.
-    Knowledge of OpenSSL and/or OpenPGP.
-    Vulnerability Analysis and/or penetration testing experience/expertise.
-    Strong knowledge of computer security principles and best practices. 
-    Strong English (both oral and written) skills.
-    Knowledge of Active Directory and Linux.
-    Hands on experience using tools such as an oscilloscope, function generator, multi-meter, signal generator, etc.
-    Knowledge of X.509 certificate validation.

External Referral Bonus:


Potential for Telework:


Clearance Level Required:




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 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.

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

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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