Service Specialist - Mainframe Modernization
Posted 3 days 18 hours ago by Thoughtworks Inc.
The Service Specialist for Mainframe Modernization in Germany is a senior subject matter expert responsible for technical excellence, solution integrity, and asset development within the service line. This hands-on role supports high-impact client engagements, contributes to pre-sales and solution design, and ensures the regional adoption and evolution of service-specific delivery frameworks, tools, and best practices. The Service Specialist brings deep expertise in Legacy Modernization as well as Mainframe Modernization, serving as a trusted technical advisor to both clients and internal teams. This role is key to ensuring delivery quality, enabling service adoption, and evolving the technical maturity of the offering.
Job responsibilities- Contribute technical leadership in solution shaping, proposals, and pursuit support.
- Validate delivery feasibility, architecture, tooling, and resourcing during pre-sales.
- Work with Solution Strategists, Service leads to ensure technical alignment with the offering's value proposition.
- Act as a bridge between delivery teams and global service development to improve service assets and positioning.
- Capture real-world challenges and innovations from engagements to shape the evolution of the offering.
- Stay current with emerging tools, methods, and trends relevant to the Mainframe Modernization domain.
- Mentor engineers, architects, and consultants within the service domain.
- Support training, onboarding, and hands-on skill development to deepen regional capability.
- Share knowledge through internal enablement sessions, demos, and thought leadership.
- Mainframe technologies such as COBOL, JCL, CICS, Eztrieve, DB2 for z/OS, Assembler, PL/I, IMS, Rexx, GDGs, and VSAM, common utilities, schedulers.
- Experience with modern technologies like OO languages (Java or C#), Document stores, distributed service architectures, streaming, cloud-native architectures, Infrastructure as Code (IaC).
- Experience leading phase-wise mainframe migration efforts from conception to delivery.
- Experience with 2-3 Rs (Replace, Rehost, Replatform) to migrate mainframe workloads.
- Strong understanding of software or platform design principles, architecture patterns, and toolchains.
- Ability to translate technical insights into business impact and actionable delivery decisions.
- Experience guiding teams, mentoring peers, and supporting cross-functional initiatives.
- Skilled at framing problems, proposing solutions, and adapting accelerators to client needs.
- Committed to building and improving reusable IP and delivery accelerators.
- 10+ years in software engineering, platform delivery, or technical consulting, with significant experience in legacy modernization.
- 2-3 years in a subject matter expert or senior technical advisory role within Mainframe Modernization.
- Experience supporting solution design and technical delivery in complex enterprise environments.
- Proven ability to develop and support delivery tools, frameworks, and reusable assets.
- Support reuse of service-specific assets across regions.
- Identify opportunities to modularize and codify reusable components from client work.
- Support delivery teams in solving complex client problems using service-aligned approaches.
- Ensure consistent application of service frameworks, methods, and tools.
- Maintain technical quality and consistency across engagements.
- Promote adoption and reuse of service tools, frameworks, and accelerators.
Thoughtworks offers a flexible career path supported by interactive tools, development programs, and a collaborative culture. We empower our employees to grow and support each other's development, fostering an environment of continuous learning and improvement.
Country: UK
City: London
Date Posted: 07-31-2025
Industry: Information Technology
Employment Type: Regular
Thoughtworks is a dynamic, inclusive community of innovative professionals transforming technology. With over 30 years of delivering impactful solutions, we help clients solve complex business challenges through technology. Join us and bring your expertise and passion for learning to make a difference.