Penetration Tester Journeyman

OneZero Solutions; Alexandria (VA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Health, dental, vision, and life保险

401(k) with company matching

Paid time off and holidays

Employee referral program

Educational assistance

Job summary

OneZero Solutions in Alexandria, VA seeks a Penetration Tester Journeyman to join our hybrid team supporting DoD cyber missions. The role requires an active Top Secret with SCI eligibility and hands-on experience in adversary simulation, infrastructure, and penetration testing.

You will deploy C2 frameworks (Cobalt Strike, Havoc, Mythic, Sliver), conduct phishing and social engineering, map networks, test AD paths with BloodHound, and prepare detailed reports with findings and recommendations.

Qualifications

• BA/BS or equivalent years of relevant experience.
• IAT II: GPEN, RTAC, or equivalent.
• IAT III: CISSP, CASP+ CE, CISA, CCNP Security, GCED or GCIH.
• Experience with phishing campaigns or social engineering.
• Hands-on experience with red team tasks and pen testing.

Responsibilities

• 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 offensive security tools to meet engagement objectives and conduct phishing assessments.
• Monitor, manage, and maintain cloud and on-premise infrastructure used during assessments.
• Network mapping, enumeration, and assess web/mobile apps; perform database scans.
• Assess Active Directory attack paths using BloodHound and develop formal reports.

Skills

PowerShell

C

C++

Python

Red team

Penetration testing

Phishing campaigns

Social engineering

EDR/AV bypass

C2 frameworks

Education

BA/BS or equivalent years of relevant experience

IAT II: GPEN, RTAC, or equivalent

IAT III: CISSP, CASP+ CE, CISA, CCNP Security, GCED, GCIH

Tools

Cobalt Strike

Sliver

Havoc

Mythic

BloodHound

Job description

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. OneZero 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: https://www.onezerollc.com/careers/

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 BloodHound.

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 PowerShell, 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

OneZero 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 [e-mail] or call [phone].