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Penetration Tester (Intermediate)

Penetration Tester (Intermediate)
TiSTA Science and Technology Corporation, a CMMI Maturity Level 3 company, focuses on delivering information technology (IT) and professional services to Federal and State agencies. TiSTA is an Inc. 500 company, a recipient of the 2010 Top 100 Service-Disabled Veteran-Owned Businesses from Diversity Business, recognized in Washington Technology’s FAST 50 list of the fastest growing small businesses in government contracting in 2012 & 2013, recognized as the Top 25 Fastest Growing Small Technology companies by the Washington Business Journal in 2014 & 2015, and selected as the Veteran Owned Company of the Year in 2014 by the Montgomery County MD Dept. of Economic Development.

TiSTA Science and Technology Corporation is seeking to hire a Sr. Penetration Tester to work remotely.


  • 3 years proven proficiency in performing vulnerability assessment and penetration testing
  • Possess a certification meeting the DOD 8570.01 IAM level III, IAT level III.
  • Required to possess a DOD SECRET Clearance, and be eligible for an IT-II upon assignment
  • 2 years of experience with testing tools, including NESSUS, METASPLOIT, CANVAS, NMAP,
  • Burp Suite, and Kismet
  • 2 years of experience with network vulnerability assessments and penetration testing methods
  • 1 year of experience with writing testing assessment reports
  • 2 years of experience with using, administering, and troubleshooting WINDOWS Server, IIS or
  • LINUX server, Apache.
  • Knowledge of TCP/IP protocols and networking architectures
  • 2 years of experience with using, administering, and troubleshooting Linux
  • Understanding of PCI DSS testing
  • Possess a certification in penetration testing, such as:
  • Licensed Penetration Tester (LPT)
  • Certified Expert Penetration Tester (CEPT)
  • Certified Ethical Hacker (CEH)
  • Global Information Assurance Certification Penetration Tester (GPEN)
  • Written documentation and oral presentation skills
  • Knowledge of open security testing standards and projects, including OWASP
  • Knowledge of database, applications, and Web server design and implementation
  • Experience scripting in Perl, Python, Ruby, Bash, or Java
  • Experience with wireless LAN security testing
  • Possess oral and written communication skills

Required Education/ Certifications:

  • Bachelor’s Degree or Master’s Degree in an IT and/or management related field

Work Environment

  • This job operates in a professional office environment. This role routinely uses standard office equipment such as laptop computers and smartphones.

Physical Demands: Sits, stands, bends, lifts, and moves intermittently during working hours. The employee must occasionally lift and/or move up to 40 pounds. The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

TISTA seeks to fill this position with an exceptionally talented and self-motivated individual. Salary is commensurate with experience. TISTA has highly competitive benefits, excellent development opportunities, and a great working environment.
Equal Opportunity Statement
TISTA is an Equal Opportunity Employer, making decisions without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, age, veteran status, disability, or any other protected class. We are proud of our diverse team, are an Equal Opportunity Employer, and encourage all qualified candidates to apply. Protected class. We are proud of our diverse team, are an Equal Opportunity Employer, and encourage all qualified candidates to apply.

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