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Penetration Tester Journeyman

Job in Alexandria, Fairfax County, Virginia, 22350, USA
Listing for: OneZero Solutions
Full Time position
Listed on 2026-09-12
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 110000 - 150000 USD Yearly USD 110000.00 150000.00 YEAR
Job Description & How to Apply Below

We are an employee-centric company that truly values our team members and the contributions they make to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and on building teams that are, and continue to be, technically proficient across a broad range of cyber mission areas. One Zero full-time employees receive a highly competitive benefits package, including health, dental, vision, and life insurance, a 401(k) with company matching, paid time off and holidays, an employee referral program, and educational assistance.

Additional details are available on our website:

Position Title
:

Penetration Tester Journeyman

Location
:
Alexandria, VA Hybrid

Clearance
:
Active Top Secret with SCI eligibility security clearance

Position Summary Adversary Simulation
  • Deploy, configure, and operate C2 frameworks such as Cobalt Strike, Havoc, Mythic, and Sliver.
  • Apply TTPs for initial access, lateral movement, privilege escalation, persistence and data exfiltration.
  • Leverage proprietary and open-source offensive security tool sets effectively to achieve engagement objectives.
  • Execute phishing assessments.
Infrastructure
  • Monitor, manage, and maintain cloud and on-premise infrastructure used during assessments.
  • Understanding the use of Git Repositories for maintaining operational tools and scripts.
Penetration Testing
  • Internal and external penetration testing.
  • Network mapping and enumeration.
  • Assess web and mobile applications.
  • Perform database scans.
  • Assess Active Directory attack paths using tools such as Blood Hound.
Security Assessments
  • Assessing Coast Guard's cyber security posture of operational networks through adversary emulation.
  • Develop reports and briefs detailing findings and recommendations for all assessments completed.
  • Perform cyber threat emulation during scripted exercises, to train DoD Cyber Protection Teams
Required Qualifications
  • Relevant Years of

    Experience:

    5+
  • Hands on experience with computers and network security.
  • Experience conducting phishing campaigns or social engineering.
  • Hands on experience with red team tasks and pen testing.
  • Familiarity with malware development and EDR/AV bypass strategies.
  • Experience with Power Shell, C, C++, or Python.
  • Hands on experience utilizing Command and Control (C2) Frameworks such as Cobalt Strike, Sliver, Havoc, etc.
Certifications

IAT II :
Any one of the following

  • GPEN, Red Team Apprentice Course (RTAC), or equivalent
  • Examples or required certifications: IAT level II:
  • CompTIA Security+ CE
  • CompTIA CySA+
  • CCNA Security
  • GICSP
  • GSEC
  • SSCP
IAT level III

Any one of the following

  • CASP+ CE (also called SecurityX)
  • CISSP (or Associate)
  • CISA
  • CCNP Security
  • GCED
  • GCIH
Education

BA/BS or equivalent years of relevant experience

One Zero Solutions, LLC is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.

To request an accommodation, please contact us at  or call .

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