Principal Customer Solutions Engineer - Changeman

MainframeMaster; United States; On-site; USD 140,000 - 190,000; Full time

Job summary

Rocket Software in the United States is seeking a Principal Customer Solutions Engineer - Changeman to lead technical delivery for mainframe modernization projects. The role focuses on architecture, customer leadership, and implementing Rocket products, including proofs of concepts and pilots.

You will guide design, deployments, and technical decisions, and present to customers and internal teams while driving project success and ensuring quality outcomes.

Qualifications

• 5–7 years of relevant technical experience with mainframe modernization.
• Excellent communication and customer-service skills with a confident telephone manner.
• Fluent in written and verbal English and able to work under pressure.

Responsibilities

• Provide services to customers (75%).
• Lead design and deployment of Rocket products and solutions.
• Work as Delivery Architect to manage all technical aspects of projects.
• Create proof of concept/value analyses and pilots.
• Deliver external/internal technical presentations/trainings.
• Participate in technical forums and user groups.
• Apply subject-matter knowledge to resolve issues.
• Exercise independent judgment within defined practices.
• Collaborate with team, PM, and customers to maintain relationships.
• Lead technical solution implementation and communicate status and risks.
• Advise customers with sound technical guidance.
• Ensure knowledge of architecture, versions, and requirements.
• Estimate new requirements and coordinate resource needs.
• Coordinate technical communications with PM for scope changes.
• Determine if changes are defects or enhancements.
• Estimate requirements and approve with Architect/Manager.
• Conduct or assign code reviews.

Skills

Mainframe modernization

COBOL/PLI

CICS/IMS/JCL

SQL/DB2/Oracle

Cloud DevOps

Client communication

Team leadership

Education

Bachelor's degree in Computer Science

Tools

GitHub

Azure DevOps

AWS CodePipeline

Jenkins

Rocket COBOL tools

Job description

Principal Customer Solutions Engineer - Changeman

Rocket Software

Full-time

United States

1 views

Posted October 2, 2026

Job Description

The Principal Customer Solutions Engineer a highly skilled Mainframe Modernization Delivery Architect who provides technical leadership in the creation and delivery of technology solutions designed to support our Customers’ Digital Transformation.

• Provide services to customers (75%)
• Works on complex project scope with minimal direction from with Customer/SI nominated representatives to accomplish assigned tasks.
• Contributes to design for specific deliverables and assists in the deployment Rocket products
• Work as a Delivery Architect - Manage the design and implementation of all technical aspects of the project
• Create proof of concept / proof of value technology analysis and pilots.
• Conduct external and internal technical presentations/trainings to peer groups.
• Uses and contributes to technical forums within the Rocket AMC environment and local professional communities and technical user groups.
• Applies own subject matter knowledge to solve a variety of common technical issues.
• Exercises independent judgment within defined practices and procedures to determine appropriate action
• Participates as part of a team and maintains good relationships with team members and customers.
• Technical Team Leadership (40%)
• Ultimately accountable for Technical solution implementation for project.
• Leads a team and communicates project status and risks to all project stakeholders on behalf of the team.
• Use technical experience to give customer sound technical advice.
• Responsible for knowing the Architecture, versions, and requirements.
• Responsible for determining appropriate technical resource requirements for project completion. Works with PM to request resources.
• Coordinating with PM on technical communication to customer, any new requirements or changes in scope and impacts to delivering the technical solution.
• Determine if change is a product defect or enhancement before communicating to customer.
• Responsible for estimating new requirements of Project and gaining Architect or Manager approval.
• Conducting or assigning code reviews.

Requirements & Skills

• Expected Qualification and Soft Skills
• 5-7 years of relevant technical experience
• Excellent communication / customer service skills / confident telephone manner
• Proactive and able to work under pressure
• Experience in complex IT project implementations, customizations and or maintenance
• Must have an analytical mind set to analyse test result and facilitate defect resolution
• Organized and methodical, dealing with numerous tasks.
• Fluent in written and verbal English.
• Requested Technical skills
• Technical skills to include two or more of the following:
• IBM Enterprise COBOL or PLI programming experience
• System level experience of IBM CICS; IMS and JCL
• Relational databases, such as IBM DB2/UDB, Oracle, Microsoft SQL Server; PostgreSQL
• Windows operating system
• Linux/UNIX operating system
• Knowledge of major Cloud Provider infrastructure and technologies, such as AWS, Azure, GCP, Cloud Foundry, Docker / Kubernetes
• Desired Project Experience
• A practical experience of mainframe application modernization project is highly desirable. For example:
• Experience with tools and methodologies used to migrate mainframe workloads via hardware/middleware emulation, automated code conversion, and re-platforming.
• Experience with COBOL modernization and porting application code across platforms.
• Familiarity with agile engineering practices like Test Automation, Test-Driven Development (TDD), Continuous Integration (CI), Continuous Delivery (CD), DevOps, and Test Data Management, etc.
• Experience developing, deploying, and tuning data modernization solution for mainframe such as IMS/DB, IDMS, ADABAS and VSAM data migration
• Experience with implementing and operating DevOps and Agile tools/platforms across some part of the development lifecycle
• Experience configuring automation pipelines in GitHub, Azure DevOps, AWS CodePipeline, Jenkins or similar tools
• Other Preferred Skills
• Bachelor's degree in Computer Science or related field
• Rocket COBOL based products – Enterprise Developer, Visual COBOL, Enterprise Server, Server Express, Net Express
• Any additional mainframe language or environment, such as REXX; Assembler; Natural; Adabas; …
• Relevant Business and IT Architecture Certifications such as, AWS Solution Architect Professional, Microsoft AZURE Solution Architect, Google Cloud Certification; Scaled Agile Framework (SAFe) etc.
• Proficient in another EU language