Overview In this Senior Principal role, you guide clients through large-scale technology transformation by turning legacy mainframe code into modern, cloud-native systems. You'll combine deep z/OS know-how with cloud, DevOps, and AI-assisted engineering to re-architect mission-critical workloads for hyperscaler platforms. Expect cross-domain collaboration to extract business logic, automate refactoring, and prototype modernization accelerators. You drive meaningful impact by shaping future-ready architectures in a fast-moving, entrepreneurial team.
Compensation / Benefits- meaningful time off and paid holidays
- parential leave
- 401(k) with match
- subsidized health, dental, vision
- adoption and fertility assistance
- short/long-term disability
Responsibilities- Understand and document business logic from mainframe apps
- Modernize and refactor legacy code with automated tools and AI agents
- Convert monoliths to cloud-native microservices and event-driven designs
- Build, containerize, and deploy workloads to cloud platforms (AWS or other)
- Prototype modernization accelerators and POCs using LLMs and code analysis tools
- Collaborate with architects, operators, and data engineers to ensure secure modernization patterns
Key requirements- Hands-on experience with IBM mainframes (z/OS)
- Proficiency in mainframe languages (COBOL, PL/I, HLASM, JCL)
- Knowledge of z/OS components (CICS, DB2, VSAM, batch scheduling)
- Experience deploying workloads to a major cloud provider (AWS/Azure/GCP)
- Experience leveraging LLMs and coding agents in development workflows
- Strong prototyping/POC capabilities in dynamic environments
- Thrives in fast-moving, collaborative, entrepreneurial teams
- Collaborative mindset
- Entrepreneurial spirit
- Strong communication and stakeholder alignment
- z/OS fundamentals (CICS, DB2, VSAM)
- Mainframe languages: COBOL, PL/I, HLASM, JCL
- Cloud deployment (AWS/Azure/GCP)