Staff Security Engineer, Penetration Testing

This position is posted by Jobgether on behalf of Life360. We are currently looking for a Staff Security Engineer, Penetration Testing in the United States.

This role offers the opportunity to lead offensive security initiatives across a complex, high-impact technology ecosystem. You will conduct penetration tests, red team exercises, and advanced attack simulations to identify vulnerabilities in mobile applications, APIs, cloud environments, and hardware devices. Your work will help engineering teams proactively close security gaps, ensuring the safety and trust of millions of users. This position combines hands-on technical expertise with leadership, mentorship, and collaboration across product, cloud, and hardware teams. You will have the chance to influence security culture, develop automation tools, and scale penetration testing practices across the organization. Success in this role means building resilient, secure systems that protect people, pets, and devices in a rapidly evolving threat landscape.

Accountabilities

• Lead penetration testing and red team activities across mobile applications, APIs, cloud environments, and hardware devices.
• Design and execute real-world attack simulations and proof-of-concept exploits to identify and validate security vulnerabilities.
• Collaborate with engineering teams to embed security into the design and development lifecycle.
• Provide actionable technical guidance and reports to drive remediation and improve defensive controls.
• Build automation, tools, and repeatable methodologies to scale penetration testing across the ecosystem.
• Mentor and share offensive security expertise to raise the organization’s overall security posture.
• Stay ahead of emerging threats and offensive security techniques, influencing continuous improvement.

• 7+ years of hands-on penetration testing experience focused on mobile applications, APIs, cloud environments, and hardware devices.
• Deep expertise in offensive security, exploit development, and red teaming.
• Proficiency in common vulnerabilities, attack vectors, and frameworks such as OWASP, MITRE ATT&CK, and NIST.
• Experience with modern penetration testing tools and custom script/exploit development.
• Strong ability to communicate technical findings to both engineering and business stakeholders.
• Experience collaborating with cross-functional teams and influencing secure design decisions.
• Problem-solving mindset, adaptability, and eagerness to learn in a fast-paced environment.
• Offensive security certifications (e.g., OSCP, OSWE, OSEE, CREST, GXPN) and hardware hacking experience are a plus.

• Competitive salary and comprehensive benefits package.
• Medical, dental, vision, life, and disability insurance (100% employer-paid).
• 401(k) plan with company matching.
• Flexible PTO and 13 company-wide days off, plus winter and summer weeklong shutdowns.
• Remote-first work environment with equipment and reimbursement support.
• Learning & development programs to advance your skills.
• Free Life360 Platinum Membership and Tile products.
• Mentorship opportunities and a collaborative, mission-driven culture.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly.
🔍 Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience, and achievements.
📊 It compares your profile to the job’s core requirements and past success factors to determine your match score.
🎯 Based on this analysis, we automatically shortlist the 3 candidates with the highest match to the role.
🧠 When necessary, our human team may perform an additional manual review to ensure no strong profile is missed.

The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role. Once the shortlist is completed, we share it directly with the company that owns the job opening. The final decision and next steps (such as interviews or additional assessments) are then made by their internal hiring team.

Thank you for your interest!

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