Senior Security Engineer: Cloud, DevSecOps & AI Security

Hitachi Automotive Systems Americas, Inc.; Dallas (TX); Hybrid; USD 140,000 - 210,000; Full time

Job summary

Hitachi Digital Services in Dallas, TX is seeking a senior security engineering leader to drive cloud security, DevSecOps, and AI security initiatives. You will translate complex security challenges into scalable architectures and roadmaps, lead engineering teams, and ensure secure, timely delivery from discovery through handover.

Key requirements include 7+ years in cybersecurity, strong leadership, and deep expertise in cloud, application, and AI security.

Qualifications

• 7+ years of cybersecurity experience leading engineering teams.
• Strong leadership mentoring engineers and managing multiple security workstreams.
• Deep expertise in Cloud Security, IaC, and enterprise security architecture.
• Proven experience implementing DevSecOps practices, CI/CD security controls, automated testing, software supply chain security, and remediation workflows.
• Strong background in Application Security, including threat modeling, architecture reviews, security assessments, and API security.
• Hands-on experience with AI Security, including LLMs, RAG, vector databases, AI agents, MLOps, model deployment, and model lifecycle management.

Responsibilities

• Lead customer security engagements and provide technical leadership across cloud security, DevSecOps, application security, and AI security initiatives.
• Translate complex security challenges into scalable architectures, implementation roadmaps, and production-ready security controls.
• Manage teams of engineers, oversee technical delivery, and drive successful outcomes from discovery and design through implementation, validation, and operational handover.
• Conduct threat modeling, architecture reviews, and security assessments across cloud platforms, applications, APIs, and AI systems.
• Define and implement DevSecOps strategies, security automation, CI/CD security controls, software supply chain protections, and remediation workflows.
• Guide the design and security of AI solutions, including LLMs, RAG architectures, vector databases, AI agents, and MLOps platforms.
• Manage project risks, dependencies, escalations, and stakeholder communications while balancing security, performance, delivery timelines, and customer requirements.

Skills

Cloud Security

DevSecOps

Application Security

AI Security

Threat Modeling

Architecture Reviews

CI/CD Security

Software Supply Chain

Team Leadership

Mentoring Engineers

Education

Bachelor's degree or equivalent practical experience

Job description

Hitachi Digital Services in Dallas, TX is seeking a senior security engineering leader to drive cloud security, DevSecOps, and AI security initiatives. You will translate complex security challenges into scalable architectures and roadmaps, lead engineering teams, and ensure secure, timely delivery from discovery through handover.

Key requirements include 7+ years in cybersecurity, strong leadership, and deep expertise in cloud, application, and AI security.