Senior Technical Project Manager – Mainframe Modernization, Data Migration & Snowflake

Senior Technical Project Manager – Mainframe Modernization, Data Migration & Snowflake

Location: 100% Remote within the United States

Experience Required: 14+ Years

PRISM TECH SYSTEMS is seeking an experienced Senior Technical Project Manager to lead enterprise technology initiatives involving mainframe modernization, legacy-to-cloud migration, Snowflake data migration, and application integration.Please apply only if you meet the mandatory experience requirements below. Your résumé must clearly demonstrate relevant project ownership, technologies, timelines, and delivery outcomes.

Mandatory Requirements

• 14+ years of overall professional experience.
• 10+ years of technical project management experience delivering cloud-based enterprise initiatives. Microsoft Azure experience is preferred.
• 6+ years managing mainframe/legacy modernization and migration to commercial off-the-shelf (COTS) or cloud technologies.
• 6+ years managing SDLC projects using Agile/Scrum.
• 6+ years of experience with Azure DevOps, CI/CD, and associated delivery workflows.
• 6+ years managing or coordinating projects involving .NET Core, C#, and SQL Server.
• Proven experience managing Snowflake data migration, including source-to-target mapping, ETL/ELT, data reconciliation, UAT, and production cutover.
• Ability to interpret data-flow diagrams, source-to-target mappings, API specifications, and SQL-based validation results.
• Experience coordinating .NET-to-Snowflake integrations using MuleSoft or Informatica APIs and integration services.
• 6+ years of cross-functional team leadership, resource planning, budgeting, vendor coordination, and stakeholder communication.
• 6+ years creating project plans, dashboards, Gantt charts, and executive status reports, with demonstrated ability to manage multiple projects and deadlines.
• A bachelor’s degree from an accredited four-year college or university in Computer Science or a related field.
• Authorization to work in the United States and ability to meet verified project eligibility requirements.

Key Responsibilities

• Lead mainframe transformation, data migration, Snowflake, and Azure initiatives from planning through production deployment.
• Manage scope, schedules, budgets, resources, dependencies, risks, and change approvals across multiple workstreams.
• Coordinate data discovery, mapping, ETL/ELT, ingestion, schema changes, failed-load recovery, reconciliation, and migration cutover.
• Ensure business calculations, transformation logic, data completeness, and accuracy meet approved acceptance criteria.
• Coordinate UAT, defect resolution, reconciliation tolerances, and documented business-owner sign-off before release.
• Manage application and API integration across .NET Core, C#, SQL Server, Oracle, Snowflake, and MuleSoft or Informatica.
• Use Azure DevOps for backlog management, sprint planning, Scrum ceremonies, defects, capacity planning, and delivery reporting.
• Coordinate CI/CD releases, environment readiness, rollback plans, production-readiness reviews, monitoring, and support handover.
• Oversee delivery by teams using GitHub Copilot or Kiro, ensuring human review, testing, validation, and documentation.
• Communicate delivery risks promptly and maintain accurate executive reporting, decision logs, and project documentation.

Preferred Industry ExperienceCandidates with experience working with State Government agencies or clients in Oil & Gas, Energy, or Utilities will receive higher priority.

What Your Application Must Include

• An updated résumé with clear project dates and responsibilities.
• Specific examples of mainframe modernization and Snowflake migration projects you have led.
• Your actual years of experience against each mandatory requirement.
• Your LinkedIn profile, current city/state, and start availability.
• Completed screening responses.

Applications must demonstrate the required experience through specific projects and delivery outcomes. Relevant keywords alone will not qualify an application for shortlisting.

Shortlisted candidates will be required to provide three professional references and complete the required background verification before final hire.

Mail : [email protected]