Freelance Penetration Tester — Lead & Mentor (Remote)

Filrsafekeep; Hayward (CA); Hybrid; USD 77,000 - 112,000; Full time

Job summary

Marcus & Millichap is seeking a freelance Penetration Tester in the Hayward, CA area who can own security testing end-to-end, mentor juniors, and collaborate closely with engineers on secure authentication, DAST, and deployment pipelines.

The role offers coaching, coverage, and hours designed to respect weekends in CA, with a compensation range of $77,000 to $112,000 per year and the option for remote work or relocation as needed.

Qualifications

• Willingness to relocate to Hayward, CA, or to make remote work.
• Proven leadership experience guiding junior-level initiatives.
• Professionalism, integrity, and discretion with sensitive information.
• Junior-caliber judgment about when to escape and when to absorb.
• The kind of reliability that earns you the hard assignments.

Responsibilities

• Implement secure authentication and authorization flows using Kubernetes Security.
• Mentor junior engineers and contribute to a strong code-review culture.
• Troubleshoot and resolve production incidents across Relationship Building-based applications.
• Untangle the DAST dependency knots that have slowed Hayward releases for months.
• Profile and refactor legacy code to reduce technical debt over time.
• Containerize applications and manage deployments with Kubernetes Security and Data Loss Prevention.
• Own a technology service end to end, from DAST schema to on-call rotation.

Skills

Leadership experience

Mentorship

Troubleshooting

Reliability

Judgment

Tools

Kubernetes Security

DAST tooling

Job description

Marcus & Millichap is seeking a freelance Penetration Tester in the Hayward, CA area who can own security testing end-to-end, mentor juniors, and collaborate closely with engineers on secure authentication, DAST, and deployment pipelines.

The role offers coaching, coverage, and hours designed to respect weekends in CA, with a compensation range of $77,000 to $112,000 per year and the option for remote work or relocation as needed.