Cybersecurity Engineer – Penetration Tester (Journeyman)

Job overview

The Cybersecurity Engineer – Penetration Tester (Journeyman) role is hybrid in Alexandria, VA. Compensation is not specified. The position supports the U.S. Coast Guard’s operational network security assessments and scripted exercises for Department of Defense Cyber Protection Teams. The engineer emulates adversaries and conducts red-team operations, penetration tests, and phishing assessments to evaluate security posture. The role also maintains assessment infrastructure and translates technical findings into reports and actionable recommendations.

What you'll do

• Deploy and operate command-and-control frameworks
• apply tactics for initial access, lateral movement, privilege escalation, persistence, and data exfiltration
• conduct phishing assessments and internal and external penetration tests
• perform network mapping, application assessments, database scans, and Active Directory attack-path assessments
• maintain cloud and on-premises assessment infrastructure and Git repositories
• report findings and recommendations
• conduct cyber threat emulation during scripted training exercises.

What we're looking for

Skills & competencies

cybersecurity engineer

penetration tester

journeyman

hybrid

alexandria va

u.s. coast guard

red team

adversary emulation

phishing assessments

top secret/sci

cobalt strike

penetration testing

Work arrangement

• Weekend coverage required

Benefits & perks

• Health, dental, vision, and life insurance
• 401(k) matching
• paid time off and holidays
• employee referral program
• educational assistance.

Why this role

Requires active Top Secret clearance with SCI eligibility, 2–3 years of relevant experience, DoD 8570/8140-compliant IAT Level II or III certification, and an offensive security certification. Bachelor’s degree or equivalent relevant experience.

About the employer

OneZero Solutions is hiring for this role. Industry: Engineering Services. Sector: 54.