Systems Architect (Enterprise Resource Planning System)

re-zoo-me; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

DSO National Laboratories is seeking a Systems Architect to design and oversee the enterprise ERP landscape, centred on SAP S/4 HANA, with strong focus on integration, security, and governance. You will work with stakeholders to translate business needs into scalable technical solutions and lead architecture roadmaps.

The role requires extensive SAP experience, including S/4 HANA implementations, and a blend of on-premise and cloud architecture knowledge.

Qualifications

• Degree in Information & Computer Engineering/Information Technology/Information Science/Information Systems/Computer Science or related fields.
• Working knowledge in cybersecurity and data protection.
• Excellent verbal and written communication, able to present complex concepts to non-technical stakeholders.
• Self-driven and proactive in adopting new technologies.
• Able to work independently and in a team.
• Around 10 years of experience in SAP solutions, with at least 4 years on SAP S/4 HANA full implementations in complex environments.
• Around 5 years of experience in solution architecting (on-premise and cloud).
• Broad knowledge of enterprise IT tech and SAP S/4 HANA integration within wider IT ecosystem.
• Strong knowledge of SAP S/4 HANA modules (HR, finance, MM, logistics, SD) and related data management.
• Experience with testing (unit, security, load), UX/UI, and SDLC approaches.
• Ability to translate business needs into technical specs ensuring scalable, secure solutions.

Responsibilities

• Design and develop DSO’s enterprise app architecture covering SAP S/4HANA and other apps.
• Manage SAP S/4HANA integration with other enterprise systems for secure data flow and interoperability.
• Design and optimize system performance, applying best practices.
• Collaborate with stakeholders, PMs, and tech teams to capture requirements and deliver tailored solutions.
• Design governance controls to ensure compliance with standards and regulations.
• Define and maintain future ERP and enterprise architecture roadmaps and transitions.
• Address non-functional requirements such as security, availability, performance, and operability across SAP and non-SAP components.

Skills

Verbal and written communication

Self-driven

Team collaboration

Translate business needs to technical

Analytical thinking

Security awareness

Education

Bachelor’s or Master’s degree in Information/Computing/Engineering/Information Systems/CS

Tools

SAP S/4 HANA

Middleware and integration

Databases & security tech

Job description

Job Description

DSO National Laboratories (DSO) is Singapore’s largest defence research and development (R&D) organisation, with the critical mission to develop technological solutions to sharpen the cutting edge of Singapore's national security. At DSO, you will develop more than just a career. This is where you will make a real impact and shape the future of defence across the spectrum of air, land, sea, space and cyberspace.

The Digital Division leads the digital transformation of DSO through the master planning and policies, delivering digital capabilities through IT infrastructure, and providing one stop service to corporate and R&D Divisions. The Digital Division will transform the way we work, our workplace, and the capabilities we deliver to the MINDEF/SAF and for the security of Singapore.

People are DSO’s greatest asset. You will get to realise your career aspirations and develop your own niche either as a deep technical expert or a leader in the team. With frequent career dialogues and a robust training and development framework, we will provide you with the necessary development tools for you to reach your potential. You will also be recognised and rewarded through competitive remuneration packages and scholarship opportunities.

Systems Architect (Enterprise Resource Planning System)

In This Role, You Will

• System Design: Design and develop DSO’s enterprise application architecture covering SAP S/4HANA and other applications. Advice senior management on key SAP S/4 HANA architecture decisions.
• Integration Design: Design and manage the integration of SAP S/4HANA with other enterprise applications, ensuring seamless data flow (secure, reliable and traceable) and system interoperability throughout the data lifecycle including the integration across different air-gapped networks. Establish SAP S/4HANA extensibility strategies, including in app and side by side extensions, to minimise core customisation and technical debt while meeting business needs.
• Performance Optimization: Design, monitor and optimize system performance, identifying areas for improvement and implementing best practices for SAP solutions and other applications
• Stakeholder Collaboration: Work closely with business stakeholders, project managers, and technical teams to gather requirements and provide tailored solutions that enhance operational efficiency.
• Governance and Compliance: Design and implement controls related to SAP S/4 HANA and its peripheral applications to ensure compliance with enterprise architecture standards and regulatory requirements.
• Architecture Strategy & Roadmapping: Define and maintain the future state ERP and enterprise application architecture, including transition roadmaps from current to target state. Ensure architectural roadmaps are aligned with business priorities, delivery sequencing, and investment planning.
• Non Functional Architecture Design: Design non functional requirements including security, performance, availability, resilience, data protection, and operability across SAP and non SAP components.

Job Requirements

• Degree in Information & Computer Engineering/Information Communication Technology/Information Engineering/Information Science/Information Systems/Computer Science or any other related fields.
• Working knowledge in cybersecurity and data protection.
• Excellent verbal and written communication skills, with the ability to present complex technical concepts to non-technical stakeholders.
• Self-driven and proactive in keeping up with new technologies
• Able to work both independently as well as with a team
• Around 10 years of experience in SAP solutions, with at least 4 years focused on SAP S/4 HANA full implementations in complex enterprise environments. Experience in on-premise implementation will be an added advantage.
• Around 5 years of experience in solution architecting. Experience in both on-premise and cloud-based system architecting are major advantages.
• Broad knowledge of enterprise IT technologies with an understanding of how SAP S/4 HANA integrates within a wider IT ecosystem, including middleware, databases, infrastructure platforms, security technologies and modern application architectures.
• Strong knowledge of SAP S/4 HANA modules, integration techniques, and data management practices. Experience and/or certification in modules to be implemented - HR, finance, materials management, logistics, sales & distribution major advantages.
• Strong knowledge in (a) Testing practices like Unit Testing, Security Testing, Load and Performance Testing, System Integration Testing and User Acceptance Testing (b) UX/UI Design (c) Waterfall/Agile Development Cycle
• Ability to analyze business needs and translate them into technical specifications, ensuring that solutions are integrated, scalable and secure.