Slalom · 1 day ago
Legacy Modernization Engineer
Texas, United States
Full-time
Onsite
Senior Level, Lead/Staff
$131K/yr - $196K/yrSlalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value. The Legacy Modernization Engineer will help clients accelerate large-scale technology transformation by modernizing legacy systems into agile, cloud-native architectures, utilizing AI-assisted engineering practices and collaborating with various teams.
CollaborationConsultingIT ManagementManagement ConsultingProject Management
Responsibilities
Understand, extract and 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
Qualification
Required
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
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
Master's degree in computer science or software engineering
Consulting or systems-integration experience
Benefits
Meaningful time off and paid holidays
Parental leave
401(k) with a match
A range of choices for highly subsidized health, dental, & vision coverage
Adoption and fertility assistance
Short/long-term disability
$350 reimbursement account for any well-being-related expenses
Discounted home, auto, and pet insurance
Company
Slalom
Slalom Consulting is a business and technology consulting firm that designs and builds strategies and systems to help its clients
Founded in 2001
10001+ employees
H1B Sponsorship
Slalom has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (215)
2024 (258)
2023 (250)
2022 (614)
2021 (254)
2020 (220)
Funding
Current Stage
Late StageTotal Funding
$1.69M2013-04-12Series Unknown· $1.69M
Leadership Team
Brad Jackson
CEO
John Tobin
Co-Founder and Executive President, EMEA & APAC
Recent News
2025-12-11
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Research & Development World
2025-10-21
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