Management Consultant – S/4HANA Transition & Implementation Partner Sourcing (Senior) – DACH

ISG is seeking an experienced management consultant with strong expertise in SAP sourcing, S/4HANA transition programs, and evaluation of implementation partners. In this senior role, you will help clients prepare for their move from ECC to S/4HANA by shaping sourcing strategies, managing tender processes, assessing SI/implementation capabilities, and advising on commercial, contractual, and delivery risks. You will guide clients through decisions that influence timelines, budgets, partner selection, delivery models, and long-term value realization, operating at the intersection of SAP program strategy and sourcing advisory.

Must Have

• Lead client workstreams focused on sourcing implementation partners for ECC to SAP S/4HANA transitions.
• Shape sourcing strategies covering SI selection, delivery models, operating models, and commercial structures.
• Manage end-to-end RfX processes: requirements definition, RFP design, vendor evaluation, solution and methodology assessments, and pricing analysis.
• Assess SAP S/4HANA implementation capabilities of global and regional SIs.
• Analyze commercial proposals, benchmark rates, structure negotiation strategies, and support clients in securing favorable terms.
• Facilitate stakeholder workshops on S/4HANA program readiness, partner selection, governance models, and transformation risks.
• Support clients in preparing business cases, transition roadmaps, milestone planning, and partner onboarding activities.
• 5–8 years of experience in management consulting, SAP advisory, IT sourcing, or vendor/contract management.
• Strong understanding of SAP ecosystems, ECC-to-S/4HANA transition challenges, and implementation partner delivery models.
• Excellent communication and presentation skills in German and English (C1+).

Good to Have

• Experience mentoring junior consultants.
• Contribute to proposals, SAP-related thought leadership, and ISG’s methodologies for SAP and S/4 sourcing.
• Collaborate with international ISG teams (consulting, benchmarking, research) on large SAP transformation engagements.
• MBA or another advanced degree (s) desirable.

Perks & Benefits

• High-impact engagements guiding major ECC to S/4HANA transformation programs through the partner selection and sourcing phase.
• A clear development path into Principal and leadership roles in SAP advisory and sourcing.
• Access to ISG’s global SAP market insights, SI benchmarks, and transformation frameworks.
• Modern, flexible ways of working (primarily remote).
• Competitive compensation, flexible holidays, sabbatical options, and an inclusive, supportive culture.

Company Overview

ISG (Information Services Group) is a global AI-centered technology research and advisory firm. As a trusted business partner, we help corporations, public sector organizations, and services and software providers achieve operational excellence and business growth through digital transformation, market intelligence, and industry best practices. Our services encompass research, benchmarking, consulting, and managed services, providing unparalleled insights into the evolving technology landscape. We partner with our clients to determine a future vision, lead rapid change and realize the value of their digital investments at scale. We’re more than consultants: We help our clients achieve operational excellence and faster growth.

Position Overview

We are looking for an experienced management consultant with strong expertise in SAP sourcing, S/4HANA transition programs, and evaluation of implementation partners. In this senior role, you will help clients prepare for their move from ECC to S/4HANA by shaping sourcing strategies, managing tender processes, assessing SI/implementation capabilities, and advising on commercial, contractual, and delivery risks.

You will operate at the intersection of SAP program strategy and sourcing advisory – guiding clients through decisions that influence timelines, budgets, partner selection, delivery models, and long-term value realization. You will lead workstreams, engage closely with senior stakeholders, and support governance frameworks for SAP transformation journeys.

This role is ideal for professionals who understand SAP transformation from a business and sourcing perspective and want to help clients secure the right partners, commercial terms, and delivery structures for a successful S/4HANA migration.

Responsibilities

• Lead client workstreams focused on sourcing implementation partners for ECC to SAP S/4HANA transitions.
• Shape sourcing strategies covering SI selection, delivery models, operating models, and commercial structures.
• Manage end-to-end RfX processes: requirements definition, RFP design, vendor evaluation, solution and methodology assessments, and pricing analysis.
• Assess SAP S/4HANA implementation capabilities of global and regional SIs, including tools, accelerators, migration approaches, team composition, and quality frameworks.
• Analyze commercial proposals, benchmark rates, structure negotiation strategies, and support clients in securing favorable terms.
• Facilitate stakeholder workshops on S/4HANA program readiness, partner selection, governance models, and transformation risks.
• Support clients in preparing business cases, transition roadmaps, milestone planning, and partner onboarding activities.
• Coach junior consultants and ensure high-quality deliverables throughout sourcing engagements.
• Contribute to proposals, SAP-related thought leadership, and ISG’s methodologies for SAP and S/4 sourcing.
• Collaborate with international ISG teams (consulting, benchmarking, research) on large SAP transformation engagements.

Required Qualifications

• 5–8 years of experience in management consulting, SAP advisory, IT sourcing, or vendor/contract management.
• Strong understanding of SAP ecosystems, ECC-to-S/4HANA transition challenges, and implementation partner delivery models.
• Proven experience running sourcing or vendor evaluation processes for SAP or other major enterprise platforms (e.g., ERP, CRM, supply chain).
• Ability to assess SI methodologies, migration approaches, resource structures, testing/quality frameworks, and transformation risk factors.
• Strong commercial and analytical skills, including experience with rate benchmarks, TCO modeling, negotiation preparation, and contract structuring.
• Confident engagement with CIOs, program directors, enterprise architects, and procurement leaders.
• Excellent communication and presentation skills in German and English (C1+).
• Hands-on, autonomous working style with experience mentoring junior consultants.

What we offer

• High-impact engagements guiding major ECC to S/4HANA transformation programs through the partner selection and sourcing phase.
• A clear development path into Principal and leadership roles in SAP advisory and sourcing.
• Access to ISG’s global SAP market insights, SI benchmarks, and transformation frameworks.
• Modern, flexible ways of working (primarily remote).
• Competitive compensation, flexible holidays, sabbatical options, and an inclusive, supportive culture.

Education

• Bachelor of Arts or Science degree in a technical or scientific field
• MBA or another advanced degree (s) desirable

The duties and responsibilities described in this position description may not be a comprehensive list. Additional tasks may be assigned to the employee from time to time and/or the scope of the job may change as necessitated by business demands.

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