Cyber Security Engineer

at Leidos
Location Herndon, VA
Date Posted October 18, 2020
Category Default
Job Type Full-time



Job Description:

Leidos is looking for a Cyber Security expert to perform and support penetration testing activities to target, assess, exploit, and report risks and vulnerabilities of information systems. This position requires an active TS/SCI with Polygraph in order to be considered and is located in the Herndon, VA area.

The intent is to provide senior decision makers with actionable data to make strategic investment decisions. The Cyber Security Expert will document all identified system risks, planned test procedures taken, and test results. The Cyber Security Expert will perform analyses of vulnerabilities identified during testing. The Cyber Security Expert will review program-level documentation (e.g., requirements specification, system architecture, design documents, test plans, security plans, etc.). The Cyber Security Expert will recommend changes to program-level documentation with an eye to reducing system vulnerabilities. The Cyber Security Expert will create and document penetration testing plans and procedures. The Cyber Security Expert will use approved penetration testing plans and procedures to conduct hands-on penetration testing. The Cyber Security Expert will analyze test results, document risks, and recommend countermeasures to uncovered risks. The Cyber Security Expert will research, evaluate, and develop Information Security policies and guidance. The Cyber Security Expert will participate in or lead technical exchange meetings and application review boards. The Cyber Security Expert will document action items and results from technical exchange meetings and application review boards. The Cyber Security Expert will brief management on the status of action items and/or results of activities.

Mandatory Skills:

  • Requires BS Degree and 8 -12 years of prior relevant experience. Additional years of experience in lieu of a degree is acceptable.

  • Demonstrated work experience in cyber security or related IT field

  • Demonstrated experience with cyber penetration testing

  • Demonstrated experience applying computer attack methods and system exploitation techniques

  • Demonstrated working knowledge of cyber security principles for Linux, Windows and virtual platforms

  • Demonstrated experience designing, testing, or implementing IT security architecture

  • Demonstrated experience performing network security analysis

  • Demonstrated experience analyzing network architectures

  • Demonstrated experience using network management tools

  • Demonstrated experience creating cyber security test plans

  • Demonstrated experience leveraging adversarial tactics to conduct hands-on security testing

  • Demonstrated experience developing risk management methodologies

  • Demonstrated experience analyzing test results to develop risk/threat mitigation plans

  • Demonstrated experience testing or reviewing system configuration, development, and design specifically around enterprise systems and hypervisors

  • Demonstrated experience designing, testing, or implementing complex Windows installations

Desired Skills:

  • Demonstrated experience participating in public and private information security groups and organizations

  • Demonstrated experience communicating vulnerability results and risk posture to senior executives

  • Demonstrated experience researching, evaluating, and developing security policies and guidance

  • Demonstrated experience performing complex technical tasks with minimal direction

  • Demonstrated experience in Cloud Technologies

  • Demonstrated experience with Network Penetration Testing

Desired Certifications:

  • Certified Ethical Hacker (CEH)

  • Offensive Security Certified Professional (OSCP)

  • Global Information Assurance Certification Penetration Tester (GPEN)

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret/SCI with Polygraph



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 38,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. 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 [Click Here to Email Your Resumé].

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.