Penetration Testing jobs in El Segundo, CA

Remote

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10d ago

Role Summary This position is a senior-level offensive security analyst responsible for planning, executing, and overseeing penetration testing activities across web applications, APIs, networks, and cloud infrastructure. The role involves leading internal and third-party security assessments, analyzing findings, and driving remediation efforts to enhance the organizations security posture. Collaboration with cross-functional teams and continuous improvement of testing methodologies are key comp

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Contract, Third Party

Depends on Experience

Senior Security Engineer Security Architecture

Hybrid in Santa Monica, California

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2d ago

<>Senior Security Engineer Security ArchitectureJob SummaryWe are seeking a Senior Security Engineer with strong experience in security architecture, network security assessments, penetration testing, and Azure security. This role will assess on-premises and Azure environments, identify vulnerabilities, recommend remediation strategies, and strengthen enterprise security controls. Key ResponsibilitiesConduct security assessments and penetration testing across on-premises networks and Azure envir

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Contract

$60 - $70

Enterprise Security Engineer

Los Angeles, California

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10d ago

About Latham & Watkins Latham & Watkins is one of the world's leading global law firms advising the businesses and institutions that drive the global economy. We are the market leaders in major financial and business centers around the world. Our investment in people, commitment to innovation, and focus on the future empower you to build an incredible career and thrive as an exceptional professional in a supportive culture. If you aspire to be the best, and work with the best, this is where you

Full-time

USD 165,000.00 - 180,000.00 per year

Enterprise Security Engineer

Los Angeles, California

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Today

Full-time

USD 165,000.00 per year

Cyber Security Engineer

Torrance, California

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Today

Who we are Neros is a defense technology company rebuilding America's drone industrial base. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup speed, and built at massive scale. Our team culture is fast, hands-on, and obsessed with closing the gap between design and deployment. As drones transform the character of warfare, Neros is delivering the systems the West needs to compete on the modern battlefield and deter the adversaries of dem

Full-time

USD 98,000.00 - 137,500.00 per year

Penetration Tester || Remote || NO C2C

Remote

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Yesterday

Job Title : Senior Penetration Tester / Red Team ConsultantClient:Port of SeattleJob Type:Up to 6 months, project-basedVisa Type: & USCLocation: Primarily remote. Some onsite meetings in Seattle may be required.Rate: $55/hr on W2JD:Rate:$55/hr (no benefits) Required Experience: Minimum 3+ years of hands-on penetration testing/offensive security experience; ideally 5+ yearsEnterprise internal and external penetration testingRed Team/adversary simulationActive Directory and Entra ID security test

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Contract

Depends on Experience

Corporate Cybersecurity Analyst - Millennium Space Systems

El Segundo, California

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Today

Corporate Cybersecurity Analyst - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation. Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge t

Full-time

USD 80,750.00 - 118,750.00 per year

Senior Cybersecurity Architect

Torrance, California

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Today

About the job Senior Cybersecurity Architect About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Senior Cybersecurity Architect We are se

Full-time

Sr. Security Engineer

Seal Beach, California

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Today

Sr. Security Engineer need for well-established California bank that has been in operation for over 100 years This Jobot Job is hosted by: Joseph Calabrese Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $130,000 - $180,000 per year A bit about us: A reputable and well-established California bank that has been in operation for over 100 years is hiring for a Senior Information Security Analyst. Why join us? Leverage the latest Network & Se

Full-time

USD 130,000.00 - 180,000.00 per year

Senior Cybersecurity Engineer, Product Security

El Segundo, California

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Today

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage-domain dominance. The company's products are powered by Coherent Distributed Networks (CDN ), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Par

Full-time

USD 110,000.00 - 190,000.00 per year

Senior Manager - Cybersecurity Operations

Torrance, California

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Today

About the job Senior Manager - Cybersecurity Operations Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical deci

Full-time

Senior Product Security Engineer

Huntington Beach, California

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Today

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through

Full-time

USD 150,000.00 - 175,000.00 per year

Product Security Lead (Contract to hire ) 100% Remote

Remote

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17d ago

Technical Lead, Product Security Program & Operations Location :: Remote Contract to hire Client :: Network Product Based Client is seeking a deeply technical and operationally strategic Technical Lead, Product Security Program & Operations. In this role, you will serve as a core link between engineering groups, external security researchers, federal stakeholders, and executive leadership. This is not a purely administrative role; it requires a strong technical background in network operating sy

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Third Party, Contract

70+

Security and Network Engineer

Pasadena, California

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Today

Caltech is a world-renowned science and engineering institute that marshals some of the world's brightest minds and most innovative tools to address fundamental scientific questions. We thrive on finding and cultivating talented people who are passionate about what they do. Join us and be a part of the diverse Caltech community. Job Summary IPAC at Caltech is seeking a Security and Network Engineer to support the cybersecurity, compliance architecture, and high-performance network infrastructu

Full-time

USD 47.75 - 62.25 per hour

Senior Information Security Architect

Seal Beach, California

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Today

Job Summary The Senior Information Security Architect is a highly motivated individual with a passion for protecting enterprise information systems. This position will work closely with the CISO and other senior management to understand evolving business and regulatory requirements for Bank systems, work closely with operational teams to understand the processes and technologies meeting those requirements, and assess whether those systems operate in a manner that not only meet security policies

Full-time

USD 113,880.00 - 193,960.00 per year

Software Engineer - AI (Level determined by experience)

Remote

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Today

Synack's Penetration Testing as a Service platform manages customers' attack surfaces by discovering new assets, pentesting for critical vulnerabilities and gaining visibility into the root causes of security risks. We are committed to making the world more secure by harnessing a talented, vetted community of security researchers to deliver continuous penetration testing and vulnerability management, with actionable results. Synack's PTaaS platform has uncovered more than 71,000 exploitable vuln

Full-time

USD 145,000.00 - 250,000.00 per year

Senior Product Security Engineer II

Remote

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Today

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible

Full-time

USD 230,000.00 - 242,500.00 per year

Information Security Engineer

Seal Beach, California

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Today

Job Summary The Information Security Engineer is a hands-on technical professional responsible for implementing, engineering, and continuously optimizing information security controls across the Bank's technology environment. Operating with a high degree of autonomy, this role focuses on designing, deploying, and operationalizing security solutions that protect the organization while supporting business objectives, regulatory requirements, and evolving threat landscapes. Working closely with th

Full-time

USD 113,880.00 - 193,960.00 per year

Senior Application Security Engineer

Remote

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Today

At Counterpart Health, we are transforming healthcare and improving patient care with our innovative primary care tool, Counterpart Assistant. By supporting Primary Care Physicians (PCPs), we are able to deliver improved outcomes to our patients at a lower cost through early diagnosis and longitudinal care management of chronic conditions. We are looking for a Senior Application Security Engineer to break Counterpart Assistant before anyone else does. This is a hands-on offensive security role

Full-time

USD 169,000.00 - 220,000.00 per year

Senior Security Engineer

Remote

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Today

At Vanta, our mission is to help businesses earn and prove trust.We believe that security should be monitored and verified continuously, and we empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, and while some have prior security experience, many have been successful at Vanta without it. As a Senior Security Engineer at Vanta, you'll own projects with impact across the business to help us run an efficient and highly effective security team.

Full-time

USD 227,000.00 - 267,000.00 per year

Penetration Testing jobs in El Segundo, CA, USA