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Berkshire Hathaway

Diversified holding company across insurance, utilities

Senior Cyber Security Engineer

Security Engineering & Architecture +1Posted on Nov 9
Full-timeCalifornia, USA$175.8k - $215.1k /yr

About the Job

Requirements

  • A minimum of one currently maintained and valid certification is required from the listed options: CISSP, CCSP, CISM, CRISC, GCIH, an advanced degree in InfoSec, or the specified Microsoft cloud and security certifications.
  • At least eight years of experience in Cloud Security, IT Security, or Security Operations is required.
  • Experience using SIEM systems, vulnerability scanners, EDR tools, security auditing tools, and web application firewalls is required.
  • Experience with SOC operations, including incident response, alert triage, case management, and SOAR or automation platforms, is required.
  • Experience integrating security into CI/CD pipelines and DevSecOps practices, including secure code scanning, dependency and vulnerability scanning, and infrastructure-as-code security, is required.
  • Experience in one or more listed cybersecurity domains is required, including incident response and management, application or identity awareness, identity and access management, data handling and classification, web application firewalls, next-generation firewalls, network zoning and segmentation, cyber resiliency, secure coding, fraud investigation and response, multifactor authentication, data loss prevention, forensics, business continuity and disaster recovery, or security within the software development lifecycle.
  • A solid understanding of applicable auditing standards and frameworks such as NIST, CIS, and OWASP; IT service management practices such as ITIL; and government guidelines and laws such as Sarbanes-Oxley is required.
  • A solid understanding of network systems, cloud security, and application security, with scripting proficiency in Python and PowerShell, is required.
  • Working knowledge of AI and large language model security risks, including OWASP LLM Top 10, and non-human identity and agent IAM concepts is required.
  • Expertise applying regulatory requirements such as CCPA, GDPR, HIPAA, SOX IT, General Computer Controls, and FCC requirements is required.
  • The role requires practical problem-solving and reasoning with limited standardization, including interpreting written, oral, diagram, and schedule instructions and applying arithmetic, fractions, percentages, ratios, and proportions.
  • The role requires critical thinking, adaptability, a proactive and inquisitive approach, and the ability to draw appropriate conclusions from disparate data sources.
  • The role requires the ability to read and interpret business and technical publications, procedures, and regulations; write reports, correspondence, and procedure manuals; and present information and respond to questions from varied audiences.

Responsibilities

  • Develop repeatable security architectures in collaboration with internal and external partners.
  • Contribute to an Agile methodology architecture that implements security practices consistently and repeatably.
  • Design, implement, and maintain DevSecOps pipelines with automated SAST, DAST, SCA, and container or image scanning, plus policy-as-code gates in CI/CD workflows.
  • Partner with development teams on application security, including secure code review, threat modeling, and remediation of vulnerabilities identified through static and dynamic testing.
  • Evaluate risk and protect applications and infrastructure against emerging threats and threat actors.
  • Document and diagram administrative and technical controls for systems and architectures.
  • Integrate security into IaaS, PaaS, and SaaS models and identify suitable security solutions for each implementation.
  • Develop and apply expertise in OWASP LLM Top 10 and AI-agent threat models; design non-human and AI-agent identity and access management policies; monitor agent behavior; and respond to AI-specific incidents such as prompt injection, data exfiltration, and model misuse.
  • Use AI assistant tools in security workflows for threat-report analysis, detection-rule generation, and security documentation, applying human review and data-handling controls.
  • Contribute as a subject matter expert to company security standards and procedures.
  • Lead efforts to document and present security risks and issues that could affect business confidentiality, integrity, or availability.
  • Support and continuously improve SOC functions, including monitoring, detection engineering, and case management.
  • Design and implement SOAR security automation to streamline alert triage, investigation, and incident response and reduce manual effort.
  • Conduct incident response using EDR tools and processes.
  • Perform threat hunting and share current threat information.
  • Validate vulnerabilities using security scanners, CVE data, and CVSS scoring.
  • Perform host and network forensics, including log-event analysis, packet-capture review, and identification of indicators of compromise.
  • Participate in annual cyber exercises covering identification, response, and recovery.
  • Maintain current knowledge of security issues, vulnerabilities, regulatory and legal changes, and standards affecting network security, cybersecurity, AI governance, and compliance.
  • Share expertise with and mentor junior team members.
  • Build relationships and collaborate with business partners, technology teams, and external vendors; communicate security information to technical and non-technical stakeholders.

Desired Qualifications

  • A bachelor's degree in Information/Cyber Security, Information Risk, Information Risk Management, Information Systems, Computer Science, Information Management, or a related discipline is strongly preferred.
  • Certifications relevant to DevSecOps, cloud security, or application security, such as GWEB, GCSA, AWS or Azure Security Specialty, OSCP, or emerging AI security certifications, are preferred.
  • Demonstrated fluency using AI assistant tools for security analysis, documentation, or detection engineering is preferred.

About the Company

Berkshire Hathaway

Diversified holding company across insurance, utilities

Berkshire Hathaway is a diversified holding company that owns and manages a portfolio of businesses across insurance, utilities, manufacturing, and retail. It generates revenue from the profits of its subsidiaries and from investment income from its large portfolio of stocks and bonds. Its operations include providing property and casualty insurance, operating utility companies, manufacturing goods, and owning retail brands such as Borsheim's Fine Jewelry. Its goal is to build long-term shareholder value by sustaining cash flow and value across a broad mix of high-quality companies and investments.

Company size
11-50
Company stage
IPO
Headquarters
Omaha, NE
Founded
1839

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