Senior Security Architect

hitachi; Dallas (TX); On-site; USD 150,000 - 210,000; Full time

Job summary

Hitachi Digital Services in Dallas is seeking a seasoned cybersecurity leader to drive presales engineering and solution architecture across cloud, IAM, network, and data security. You will guide security assessments and present executive-level recommendations.

You will partner with sales, delivery, and security teams to qualify opportunities, draft SOWs, and map secure AI-enabled environments, ensuring measured risk, cost, and business value for enterprise customers.

Qualifications

• 10+ years of cybersecurity experience with presales or advisory roles.
• Broad expertise across cloud, IAM, network, endpoint, application and data security.
• Proven ability to lead engagements, run technical discovery, and present to executives.

Responsibilities

• Lead customer discovery workshops to translate objectives into security strategies.
• Design and present end-to-end cybersecurity architectures and roadmaps.
• Serve as a trusted advisor, conducting assessments and recommending remediation.
• Partner with sales and delivery to qualify opportunities, draft SOWs, and guide implementation.
• Advise on securing AI-enabled environments, governance, and data protection.

Skills

Cybersecurity Solution Architecture

Cybersecurity Presales

Security Consulting

Security Assessments

Cloud Security

IAM

Network Security

Endpoint Security

Application Security

Data Security

Security Operations

SOW & Proposal Development

Executive Presentations

AI Security

Job description

Function

Cloud & Data Engineering

Our Company

We're Hitachi Digital Services, a global digital solutions and transformation business with a bold vision of our world's potential. We're people-centric and here to power good. Every day, we future-proof urban spaces, conserve natural resources, protect rainforests, and save lives. This is a world where innovation, technology, and deep expertise come together to take our company and customers from what's now to what's next. We make it happen through the power of acceleration.

Imagine the sheer breadth of talent it takes to bring a better tomorrow closer to today. We don't expect you to 'fit' every requirement - your life experience, character, perspective, and passion for achieving great things in the world are equally as important to us.

Job description

Meet Our Team:

• Join a highly collaborative cybersecurity consulting and presales practice that partners with enterprise customers to solve complex security, risk, and digital transformation challenges.
• Work alongside security architects, consultants, sales leaders, and delivery teams to build innovative security solutions across cloud, identity, network, endpoint, data, application, security operations, and AI security domains.
• Help shape the growth of our cybersecurity practice by developing reusable assets, solution offerings, reference architectures, and go-to-market capabilities.
• Be part of a team that values thought leadership, customer trust, technical excellence, and practical business outcomes.

What you'll be doing:

• Lead customer discovery workshops to understand business objectives, security challenges, risk priorities, and technology gaps, translating findings into actionable security strategies.
• Design and present end-to-end cybersecurity architectures, roadmaps, proposals, and executive-level solution recommendations across multiple security domains and technologies.
• Serve as a trusted advisor to customers by conducting security assessments, recommending remediation strategies, and aligning security investments with organizational goals.
• Partner with sales, business, and delivery teams to qualify opportunities, develop Statements of Work (SOWs), create effort estimates, support proposal development, and guide successful solution implementation.
• Advise customers on securing AI-enabled environments, including LLMs, RAG architectures, agentic workflows, governance, monitoring, identity controls, and data protection strategies.

What you'll bring to the team:

• 10+ years of cybersecurity experience with a strong background in presales engineering, solution architecture, security consulting, or technical advisory roles.
• Broad expertise across cloud security, identity and access management, network security, endpoint protection, application security, data security, security operations, governance, risk, and compliance.
• Proven experience leading customer engagements, facilitating technical discovery sessions, conducting security assessments, and presenting to both technical and executive stakeholders.
• Strong ability to develop solution architectures, proposals, business cases, security roadmaps, and customer-facing presentations while balancing risk, cost, scalability, and business value.
• Working knowledge of AI security principles, including secure AI design, threat modeling, governance frameworks, operational controls, and data protection for AI-enabled solutions.

Mandatory Skills

• Cybersecurity Solution Architecture
• Cybersecurity Presales / Sales Engineering
• Security Consulting & Technical Advisory
• Security Assessments & Risk Analysis
• Cloud Security (AWS, Azure, GCP)
• Identity & Access Management (IAM)
• Network Security
• Endpoint Security / EDR
• Application Security
• Data Security & Data Protection
• Security Operations (SOC, SIEM, XDR)
• Proposal Development & SOW Creation
• Executive Presentations & Customer Engagement
• AI Security (LLM, RAG, Agentic AI Governance)

Preferred Skills

• CISSP, CCSP, SABSA, TOGAF, Azure, AWS, or Google Cloud Certifications
• Security Practice Development Experience
• Zero Trust Architecture Design
• DevSecOps and Container Security
• Security Frameworks (NIST CSF, ISO 27001, CIS Controls)
• Microsoft Security, Palo Alto, CrowdStrike, Zscaler, Okta, or similar security platforms
• Security Roadmap and Transformation Program Design
• Managed Security Services or Professional Services Background
• Experience supporting large enterprise RFP/RFI responses
• Thought Leadership, Enablement, and Go-To-Market Strategy Development.

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About us

We're a global, team of innovators. Together, we harness engineering excellence and passion to co-create meaningful solutions to complex challenges. We turn organizations into data-driven leaders that can make a positive impact on their industries and society. If you believe that innovation can bring a better tomorrow closer to today, this is the place for you.

Fostering innovation through diverse perspectives

Hitachi is a global company operating across a wide