Senior Security Architect

Dimension Data Solutions Limited (Kenya); Brisbane; On-site; AUD 140,000 - 210,000; Full time

Job summary

NTT DATA in Australia is seeking a Senior Security Architect to design advanced cybersecurity architectures for complex solutions. You will collaborate with clients and internal teams to translate requirements into robust, scalable security designs, including cloud and on‑premises components.

You will mentor colleagues, contribute to technology roadmaps, and ensure designs meet enterprise standards, while staying ahead of industry trends and threats.

Qualifications

• Bachelor's degree required in computer science, engineering, business, or related field.
• Experience in security architecture and large-scale technology services preferred.
• Strong consulting and client-engagement capabilities essential.

Responsibilities

• Contributes to complex cybersecurity solution architectures for business, infrastructure or functional areas.
• Evaluates alternative architectures for cost, performance and scalability.
• Produces cloud-based or on-premises cybersecurity component specifications for detailed designs.
• Supports change programmes with technical plans aligned to architecture standards.
• Understands client requirements, collects data, performs analysis and resolves problems.
• Keeps abreast of industry trends and threats to inform roadmaps and solutions.
• Creates design views to address functional and non-functional requirements, including POC.

Skills

Multi-vendor integrations

Cross-functional software

OS & infrastructure design

Enterprise architecture standards

Reference architectures

Client engagement

Solution delivery collaboration

Communication skills

Continuous learning

Education

Bachelor's degree in CS/Engineering/Business

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.

Your day at NTT DATA

As a Senior Security Architect at NTT DATA, you will play an essential role in collaborating with clients and internal teams to create advanced, transformational cybersecurity designs and architectural visions for complex solutions. Your expertise will drive the development of multi‑technology consulting services that span application software, infrastructure, and related technology components, including services. You will contribute to complex cybersecurity solution architectures in specific business, infrastructure, or functional areas while evaluating alternative architectures for cost, performance, and scalability. By developing detailed specifications for cloud‑based or on‑premises cybersecurity components, you will ensure robust, cutting‑edge solutions that meet our clients' unique needs. Your hands‑on role will involve preparing technical plans and designs that comply with enterprise and solution architecture standards, remaining agile to adapt to changing project requirements. You will be accountable for understanding client requirements, collecting DATA, delivering thorough analysis, and providing effective problem resolution. Keeping ahead of industry trends, emerging technologies and threats, you will produce insightful solutions and technology roadmaps, sharing your knowledge with internal teams and clients alike. By creating multiple design views, you will address both functional and non‑functional cybersecurity requirements, offering innovative solutions with proof‑of‑concept (POC) implementations. You will also mentor and guide less experienced colleagues, contributing to our collaborative culture.

To thrive in this role, you need to have:

• Advanced knowledge of multi‑vendor service integrations and cross‑functional software, operating systems, and infrastructure designs.
• In‑depth understanding of how specific infrastructures and application software are deployed in line with methodologies such as TOGAF, Zachman, SOA, ITIL, and COBIT.
• Ability to develop and utilize advanced specialist knowledge of reference architectures.
• Extensive experience in technical, IT, or operations roles within large‑scale technology services environments.
• Strong client engagement and consulting experience, including needs assessment and change management.
• Proven ability to collaborate effectively with cross‑functional teams such as sales, product, and delivery.
• Excellent communication and interpersonal skills to build strong working relationships with both internal and external stakeholders.
• A continuous learning mindset to stay updated on trends and developments in technology domains.
• A bachelor's degree in computer science, engineering, business, or a related field.

Key Responsibilities:

• Contributes to the development of complex cybersecurity solution architectures in specific business, infrastructure or functional areas.
• Identifies and evaluates alternative architectures and the trade‑offs in cost, performance and scalability.
• Produces specifications of cloud‑based or on‑premises cybersecurity components, tiers and interfaces, for translation into detailed designs using selected services and products.
• Supports a change programme or project through the preparation of technical plans and application of design principles that comply with enterprise and solution architecture standards.
• Accountable for understanding client requirements, collecting data, delivering analysis and problem resolution.
• Monitors the external environment to gather intelligence on emerging technologies.
• Creates solution packs and technology roadmaps and shares knowledge and insights with others.
• Designs components using appropriate modelling techniques following agreed architectures, design standards, patterns and methodology.
• Creates multiple design views to address the concerns of the different stakeholders of the architecture and to handle both functional and non‑functional requirements, including proof of concept (POC).
• Reviews, verifies and improves own designs against specifications.
• Makes recommendations for the development of a new go‑to‑market services and contributes knowledge on relevant verticals.
• Operates across both the technical levels within the enterprise architecture and the value chain in order to develop holistic and integrated solutions.
• Provides coaching and mentoring to less experienced Solutions Architect.

Knowledge and Attributes:

• Advanced knowledge of multi‑vendor service integrations and cross‑functional software, OS's and infrastructure designs.
• Excellent communication skills both verbal and written coupled with excellent interpersonal skills to build solid working relationsh