Slalom Consulting

General Information

Slalom Consulting • $150K — $180K *
Vancouver, BC V5K 5J9In-Person
Enterprise Technology
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Hands-on experience with IBM mainframes (z/OS)
  • Proficient in mainframe languages like COBOL, PL/I, and JCL
  • Solid understanding of z/OS fundamentals including CICS, DB2, and batch processing
  • Experience in deploying workloads to major cloud providers (AWS, Azure, or GCP)
  • Familiarity with AI and LLMs in software development workflows
  • Strong prototyping and POC development skills
  • Ability to thrive in fast-paced, collaborative teams

Responsibilities

  • Extract and document business logic from legacy mainframe applications
  • Modernize and refactor legacy code with automation and AI tools
  • Transform monolithic systems into cloud-native microservices
  • Build and deploy workloads to AWS or other hyperscaler platforms
  • Prototype and develop modernization accelerators and proof-of-concepts using LLMs
  • Collaborate with cross-functional teams on efficient modernization patterns

Benefits

  • Collaborative and entrepreneurial work environment
  • Opportunities to prototype using cutting-edge technology
  • Engagement in large-scale technology transformations
  • Access to industry-leading resources and tools
  • Support for professional development and growth
Full Job Description
Description and Requirements

Job Description

Who you will work with:

As a Senior Principal at Slalom, you will help clients accelerate large scale technology transformation by turning decades-old mainframe code into agile, cloud-native systems. This role blends deep systems understanding of z/OS with modern cloud, DevOps, and AI-assisted engineering practices. You'll work across multiple domains, from code analysis and business-logic extraction to automated refactoring and re-platforming helping enterprises transition mission-critical workloads to hyperscaler infrastructure.

What you will do:
  • Understand, extractand document business logic from mainframe applications.
  • Modernize and refactor legacy code using automated transformation tools and AI coding agents.
  • Reimagine monolithic systems into cloud-native microservices and event-driven architectures.
  • Build, containerize, and deploy workloads to AWS (or other hyper scaler platforms).
  • Prototype modernization accelerators and proof-of-concepts using LLMs, code analysis tools, and custom pipelines.
  • Collaborate with architects, operators, and data engineers to ensure secure and efficient modernization patterns.

What you will bring:
  • Hands-on experience developing or operating on IBM mainframes (z/OS).
  • Proficiency in one or more mainframe languages: COBOL, PL/I, HLASM, JCL, etc.
  • Knowledge of z/OS fundamentals: CICS, DB2, VSAM, batch scheduling, system utilities.
  • Experience deploying workloads to a major cloud provider (AWS, Azure, or GCP).
  • Experience leveraging LLMs and coding agents in software development workflows.
  • Strong prototyping and POC development capability in dynamic environments.
  • Thrives in fast-moving, collaborative and entrepreneurial teams.

Preferred Qualifications
  • Familiarity with Code-as-Data and structured intermediate representation (IR) concepts.


  • Experience parsing or analyzing source grammars(ANTLR4, Tree-Sitter, recursive descent, etc.).
  • Experience with modernization frameworks such as AWS Blu Age or AWS Mainframe Modernization (Transform for z/OS).
  • Experience with CI/CD pipelines,IaC(CloudFormation/Terraform), and container orchestration (Kubernetes/OpenShift).
  • Understanding of legacy data integration (DB2, VSAM, IMS) with modern cloud data stores.
  • Experience designing automated test harnesses for workload equivalence validation.
  • Awareness of enterprise security and IAM frameworks (RACF, IAM roles, encryption-at-rest/in-transit).
  • Experience fine-tuning or prompting code-centric LLMs (e.g., Amazon Q Developer, Bedrock, Claude) for code translation, documentation, or rule extraction.
  • Understanding of retrieval-augmented generation (RAG) patterns, vector databases, and agentic orchestration for code analysis pipelines.
  • Consulting or systems-integration experience.

About Slalom Consulting

Slalom Consulting is a business and technology consulting firm headquartered in Seattle, Washington. The company provides consulting services in areas such as technology, strategy, data and analytics, and organizational effectiveness. Slalom Consulting was founded in 2001 and has since grown to have over 30 offices across the United States, Canada, and Europe. The company has been recognized as one of the best places to work by several publications, including Fortune and Glassdoor.
Learn more about Slalom Consulting
Size
10,000 employees
Industry
Business Services
Founded
2001
* Ladders Estimates

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