SAP S/4HANA HR Mini Master (HRMM) System Architect

Fusion Consulting; Województwo mazowieckie; On-site; PLN 300,000 - 420,000; Full time

Job summary

Fusion Consulting is seeking an experienced SAP System Architect with HR/HCM expertise to lead the HR Mini Master (HRMM) design within an SAP S/4HANA transformation. You will define the solution architecture and ensure smooth integration with surrounding systems across SAP and non-SAP environments.

The role requires hands-on design leadership, strong HR master data knowledge, and ability to collaborate with cross-functional teams including Workday integration specialists.

Qualifications

• Strong experience with SAP HCM / HR and HR master data.
• Design/implement HR Mini Master (HRMM) in SAP S/4HANA.
• Strong SAP HCM areas, particularly PA and OM.
• Experience with SAP S/4HANA architecture and integration design.
• Workday-to-SAP S/4HANA integration experience.
• Ability to translate business requirements into end-to-end designs.
• Ability to work with technical teams to define interfaces and troubleshoot issues.

Responsibilities

• Define and own HRMM architecture in SAP S/4HANA.
• Design HRMM solution per requirements and data representation.
• Oversee integrations between HRMM and SAP and non‑SAP systems, including data flows and mappings.
• Translate requirements into scalable functional/technical designs.
• Collaborate with HR/HCM, integration, and technical teams and stakeholders.
• Support testing, deployment, cutover, and resolve technical issues.
• Review designs and maintain architecture documentation.

Skills

SAP HCM

HR Master Data

S/4HANA Architecture

Workday integration

APIs & Data Mapping

Data Mapping

Analytical Skills

Tools

ABAP

Job description

Swiss Delivery Excellence: Transforming Life Science Consulting Worldwide.

Fusion Consulting is a globally leading Business and IT boutique consultancy specialized in the Life Sciences industry, partnering with leading companies in pharma, healthcare, and animal health.

With over 450 employees and 25 offices worldwide, our mission is to revolutionize our clients' business transformation challenges and set new industry standards through innovative solutions.

Focused on S4HANA, Data & Cloud, and innovative technologies, Fusion Consulting brings unparalleled expertise and commitment to excellence to every project we undertake.

Grounded in our commitment to fast and intelligent decision‐making, our client‑first and open─hearted approach defines our ethos. With unwavering support and an entrepreneurial spirit, our global teamwork transcends boundaries and turns shared visions into reality.

Job Description

We are looking for an experienced SAP System Architect with strong HR/HCM expertise and solid technical knowledge to lead the design and implementation of the HR Mini Master (HRMM) solution within an SAP S/4HANA transformation program. The role focuses on the HR data and processes required within S/4HANA, rather than the full SAP HCM suite. You will be responsible for defining the solution architecture, ensuring effective integration with surrounding systems, and supporting the solution throughout implementation and deployment.

What You Will Be Doing

• Define and own the solution architecture for HR Mini Master (HRMM) in SAP S/4HANA.
• Design the HRMM solution based on business and technical requirements, including how employee and organizational data is represented and maintained within S/4HANA.
• Design and oversee integrations between HRMM and SAP and non‑SAP systems, workday, including data flows, mappings, interfaces, and relevant integration mechanisms.
• Translate business requirements into scalable and sustainable functional and technical solution designs.
• Work closely with HR/HCM functional consultants, integration teams, technical teams, and business stakeholders, providing architectural guidance throughout implementation.
• Support testing, deployment, cutover, and resolution of technical, data, and integration issues.
• Review solution designs and maintain architecture and design documentation.

Qualifications

• Strong experience with SAP HCM / HR and a solid understanding of HR master data and organizational structures.
• Experience designing or implementing HR Mini Master (HRMM) solutions in SAP S/4HANA.
• Strong understanding of relevant SAP HCM areas, particularly Personnel Administration (PA) and Organizational Management (OM).
• Good understanding of how HR master data is used and integrated with other S/4HANA processes.
• Experience with SAP S/4HANA solution architecture and integration design.
• Strong technical understanding of SAP HR/HCM architecture, data structures, interfaces, and integration mechanisms.
• Good understanding of SAP integration technologies and concepts such as APIs, IDocs, web services, middleware, and data mapping.
• Ability to work with technical teams to define interface specifications and troubleshoot technical and integration issues.
• Experience defining integrations between SAP and external HR systems.
• Ability to translate business requirements into end‑to‑end solution architecture and technical designs.
• Experience supporting implementation, testing, deployment, and cutover activities.
• Strong analytical and problem‑solving skills.
• Ability to work effectively with business, functional, integration, and technical stakeholders.
• Experience with Workday-to‑SAP S/4HANA integration, particularly for employee, organizational, and HR master data.

Added Advantage

• Knowledge of integration technologies and patterns used between Workday and SAP environments.
• Knowledge of ABAP and the ability to understand or review technical developments and specifications

Additional Information

Why Fusion?

At Fusion, we unite entrepreneurial minds from around the globe to develop and implement game‑changing solutions that build lasting relationships with our clients.

We value employees who challenge the status quo through innovation, adapt to diverse client needs in ever‑changing environments, and commit to continuous learning—for themselves and their colleagues.

We provide a competitive salary and benefits package, along with an outstanding work environment that fosters long‑term career development opportunities.

Our Benefits:

• Workflex: Enjoy 25 days of flexibility to work from your preferred global location.
• Flexible Time Off: Take the time you need to recharge and maintain a healthy work‑life balance, with flexibility beyond standard holiday allowances.
• Annual Training Budget: Access CHF 1,500 to invest in your professional development and skill enhancement.
• Continuous Learning: Thrive in an environment that encourages ongoing learning, with opportunities to develop new skills and broaden your expertise.
• Global Mobility Support: Gain assistance with international assignments, visa/permit support, and relocation services.
• Unity Scheme: Benefit from loyalty rewards starting after 3 years of service.
• Referral Program: Earn a referral fee for every successfully hired referee.
• Local Benefits: Access a range of country‑specific benefits tailored to your location.
• People Focus: Unite with the best global talent in life sciences, empowered to grow and collaborate in a vibrant environment.
• Truly Global: Join a truly global organization where mutual support, teamwork, and diversity drive our collective success.