Security Engineer

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

• Fertility benefits: Not verified
• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

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Relocation assistance

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Childcare support

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Learning budget

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Verification

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Salary

$100K-$180K From the posting source checked Jun 20, 2026

401(k) match

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Role

Role function

Security From the posting source checked Jun 20, 2026

Seniority

Mid From the posting source checked Jun 20, 2026

Schedule

Shift type

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Weekend work

Required From the posting source checked Jun 20, 2026

Company

Equity

Offered From the posting source checked Jun 20, 2026

Application

Cover letter

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Assessment

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Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Security Engineer Los Angeles, CA About the Company General Matter is enriching uranium in America. Our goal is to design, build, and operate the world's lowest-cost enrichment services in the United States. Our mission is to restore America's ability to produce nuclear fuel-fuel that will power AI, advanced manufacturing, critical industries, and the next generation of nuclear reactors. Ultimately, our work will help power national ambitions and enable a high-energy society. We were incubated by Founders Fund, like Anduril and Palantir before us, and are backed by top-tier investors. Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production. We are a mission-driven company with a culture of urgency, accountability, and transparency. Help us build a high-energy society by making the cleanest, safest form of baseload energy the most affordable. About This Role As a General Matter Security Engineer, you will play a critical role in protecting the systems, infrastructure, and information that enable our mission. You will design, implement, and continuously improve security controls across corporate, product, and regulated environments, helping ensure the confidentiality, integrity, and availability of our technology and operations. This role spans cloud, on-premises, air-gapped, and highly restricted environments, requiring a practical, hands-on approach to cybersecurity in support of both business and engineering objectives. You will work closely with software engineers, IT, infrastructure, manufacturing, nuclear, and operations teams to embed security throughout the organization, from product development and infrastructure design to compliance, incident response, and

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