Senior Cybersecurity Architect

NTT America, Inc.; Singapore; Remote; SGD 180,000 - 240,000; Full time

Job summary

NTT DATA is seeking a Senior Cybersecurity Solutions Architect to lead client engagements and pre-sales, develop service offerings, and drive security designs across network, cloud, and AI environments. You will work with cross-functional teams to translate requirements into formal architecture, roadmaps, and implementations that meet regulatory standards.

You will contribute to proposals, BoMs, and RFP responses, while advancing Zero Trust, SecOps, and AI security programs.

Qualifications

• 10+ years of experience as an Individual Contributor in Security Presales / Security Business Development.
• Ability to create High level & Low-level Design documents, proposals and BoMs.
• Certifications like CISSP, CISM are good to have.
• Experience collaborating with cross-functional teams (sales, engineering, GTM).
• Knowledge of Enterprise Architecture methodologies (TOGAF, Zachman, SOA, ITIL, COBIT).
• Excellent communication with technical and executive audiences.
• Strong partnerships and GTM strategies with OEMs.
• Wide coverage of cybersecurity domains: Network Security, ZTNA, ZTA, SecOps, AI Security, Cloud, Identity, GRC, Emerging Techs.
• Interpersonal & Collaboration skills.

Responsibilities

• Lead and support RFP/RFI responses including design, proposals, pricing, and SOWs.
• Design end-to-end cybersecurity solutions aligned with business and regulatory needs.
• Translate client requirements into formal architecture, specs, and implementation plans.
• Develop current, transitional, and future-state security roadmaps and migrations.
• Create secure architectures across networks, cloud, infra, apps, identity, data, and AI with Zero Trust.
• Address AI/LLM governance, risk, and protection against data leakage and prompt risks.
• Define security controls across cloud, hybrid, and AI environments (IAM, encryption, segmentation).
• Perform architecture reviews, POCs, design workshops, and due diligence with stakeholders.
• Evaluate trade-offs among security, performance, cost, and complexity.
• Collaborate with Product, OEMs and partners to finalize BoMs and go-to-market designs.

Skills

Security Presales

Solution Architecture

RFP / Proposal Development

Zero Trust

AI Security

Cloud Security

Networking Security

Governance, Risk & Compliance

Communication

Cross-functional Collaboration

Education

CISSP

CISM

Tools

TOGAF

Zachman

ITIL

COBIT

Job description

Make an impact with NTT DATA

Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Senior Cybersecurity Solutions Architect will be responsible for leading client engagements, RFP responses, developing service offerings and participating in pre-sales process including development of proposals and estimates. This role requires technically strong individual with diverse expertise across Network, Cloud and Infrastructure security competencies who is confident under pressure and has demonstrated these skills in large scale Enterprise Security designs for the clients.

• Job Description

Key Responsibilities:

• Lead and support RFP/RFI responses, including solution design, proposal development, pricing, presentations, Statements of Work (SOW), and other techno-commercial documentation.
• Design, architect, and position end-to-end cybersecurity solutions aligned with customer business, operational, security, compliance, and economic requirements.
• Assess and translate client business and security requirements into formal solution architecture, technical specifications, and implementation strategies.
• Develop current-state, transitional, and future-state security architecture roadmaps, including migration and modernization strategies.
• Create secure solution architectures across network, cloud, infrastructure, application, identity, data, and AI environments using security-by-design and Zero Trust principles aligned with frameworks such as NIST CSF and ISO 27001.
• Design and validate secure architectures for AI-driven and agentic systems (LLMs, RAG, autonomous agents), including governance, identity, auditability, and protection against risks such as prompt injection, data poisoning, and model/data leakage.
• Define and implement security controls across cloud, hybrid, and AI/LLMOps environments, including IAM, encryption, segmentation, compliance, and policy enforcement.
• Conduct security architecture reviews, proof-of-concepts (POCs), design workshops, due diligence sessions, and technical assessments with customers and stakeholders.
• Identify and evaluate alternative architectures and analyze trade-offs across security, scalability, performance, operational complexity, and cost.
• Work closely with Product teams, OEMs, partners, and third-party providers to develop optimized and commercially viable solution designs and finalize Bills of Materials (BoMs).
• Ensure solutions comply with cybersecurity, regulatory, and data protection requirements including GDPR, PCI-DSS, MAS-TRM, and enterprise governance standards.
• Support cybersecurity modernization initiatives across Zero Trust, SecOps, cloud security, AI security, CTEM, identity security, and emerging technologies.
• Advise customers on security strategy, threat/risk mitigation, cloud transformation, AI security governance, secure application design, and operational best practices.
• Keep up to date with emerging cybersecurity technologies, AI security trends, licensing models, architectures, and vendor product capabilities.
• Collaborate with cross-functional architecture, engineering, operations, and business teams to ensure optimal and integrated solution outcomes.
• Defend and present proposed end-to-end security solutions to customers, partners, and internal stakeholders throughout the presales and solution lifecycle.
• Contribute to the development of new security services, offerings, and go-to-market initiatives.

To thrive in this role, you need to have:

• 10+ years of experience as an Individual Contributor in Security Presales / Security Business Development.
• Should have excellent knowledge in creating High level & Low-level Design document, proposal writing skills, Bill of Material Preparation and writing Scope of Document.
• Certifications like CISSP, CISM are good to have.
• Experience collaborating with cross-functional teams, including sales, engineering, and GTM Innovations.
• Certification and working knowledge of Enterprise Architecture methodologies (for example, TOGAF, Zachman, SOA, ITIL, COBIT, etc.).
• Effective communication skills (written and verbal) with the ability to present complex security solutions to both technical and executive audiences.
• Strong understanding of technical partnerships and GTM strategies, particularly in working with OEMs.
• Well versed in solution different cybersecurity domains - Network Security & ZTNA, ZTA, SecOps & AI in SecOPS, Cloud Security, Identity Security, Governance Risk and Compliance, AI Security & Emerging Techs
• Excellent Interpersonal & Collaboration Skills

About NTT DATA

NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us.

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