Penetration Tester

sts for customers and performing deep-dive preparatory analysis for any system under test. The position also includes recommending specific mitigation strategies to the customer for discovered vulnerabilities, and testing at multiple stages of the system development/acquisition lifecycle. This also includes tool development for use in stand-alone and network-connected systems. The position is responsible for ensuring survivability and resiliency of customer systems under test, and timely delivery of development updates and after-action reports after each red-team activity.

Basic Qualifications:

• Bachelor's degree in Cyber Security, Computer Science, Computer Engineering, Electrical Engineering, or related Technical Degree and 2+ years of experience in penetration testing/red teams or related security field. Or a Master's degree and with some experience. Will consider work experience in lieu of a degree

• Must be knowledgeable Linux (preferably Kali, Parrot, or similar distros) and Windows Operating systems

• Experience with using scripting languages such as Bash or Python

• A background in computer security, including forensics, systems analysis, and more

• Strong problem solving skills

• Candidate must have an active Secret clearance and must be willing to get a TS/SCI clearance to be considered

Preferred Qualifications:

• Prior training/experience in conducting penetration tests, reverse engineering, and/or system analysis

• Strong communication skills for documenting and relaying findings to customers

• Strong understanding of TCP/IP network architecture.

• Experience with developing exploits using scripting languages such as bash, python, etc

• Experience with scanning/analysis tools (nmap, nikto, Tenable Nessus, etc)

• Experience with exploitation tools (Metasploit, Cobalt Strike, etc)

• Completion or work towards PenTest+, Security+, CySA+, CEH, OSCP or similar technical certification

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:
April 6, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit https://www.Leidos.com .

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 at https://www.leidos.com/careers/pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .

Commitment to Non-Discrimination

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.