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Leidos
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May 2, 2026
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Penetration Tester

Huntsville, AL
Full-time
Onsite
$70K/yr - $126K/yr
Entry, Mid Level
Leidos is an industry and technology leader serving government and commercial customers. They are seeking a Penetration Tester to perform live penetration tests, recommend mitigation strategies for vulnerabilities, and ensure the resiliency of customer systems during testing.
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Responsibilities

  • Performing live penetration tests for customers
  • Performing deep-dive preparatory analysis for any system under test
  • Recommending specific mitigation strategies to the customer for discovered vulnerabilities
  • Testing at multiple stages of the system development/acquisition lifecycle
  • Tool development for use in stand-alone and network-connected systems
  • Ensuring survivability and resiliency of customer systems under test
  • Timely delivery of development updates and after-action reports after each red-team activity

Qualification

Required

  • 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

  • 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

Benefits

  • Paid Time Off
  • 11 paid Holidays
  • 401K with a 6% company match and immediate vesting
  • Flexible Schedules
  • Discounted Stock Purchase Plans
  • Technical Upskilling
  • Education and Training Support
  • Parental Paid Leave
  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.
Glassdoor
0
Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.
Glassdoor
0
Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com