> Markdown version of [/jobs/ext/1772520-data-migration-and-tri-tier-integration-lead](https://www.wearedevelopers.com/jobs/ext/1772520-data-migration-and-tri-tier-integration-lead). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Migration and Tri-Tier Integration Lead - **Company:** Mantech International Corporation - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Business Logic, Computing Platforms, Configuration Management, Complex Networks, Databases, Data Integrity, Extract Transform Load (ETL), Data Migration, Oracle (Applications), Data Streaming, Systems Integration, Technical Data Management Systems, Information Technology, Data Management, Oracle Cloud Infrastructure - **Published:** July 15, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9030170/data-migration-and-tri-tier-integration-lead ## About the Role seeks a motivated, career and customer-oriented to join our innovative team. This is a position., * Bachelor's degree with 12+ years of experience in Data Migration and Systems Integration. * Significant experience navigating enterprise ETL strategies and technical integration requirements, especially as it relates to massive legacy financial, supply chain, and personnel datasets. * Significant experience meeting complex tri-tier architecture requirements across presentation layers, application logic tiers, and database tiers. * Experience working across a large team to drive an integration agenda and working with complex, intertwined systems and data flows. * Experience inventorying complex networks, and with data transit documentation utilizing systems like Oracle's Product Data Hub (PDH). * Experience creating, maintaining, and communicating complex information technology documentation, particularly data schemas and security documentation. * Certified Data Management Professional (CDMP) or relevant platform architecture certifications. * Experience with Oracle Cloud Infrastructure (OCI) migration toolsets and compliance automation tools. * Current active TS security clearance with the ability to obtain polygraph. * Must be able to remain in a stationary position 50% of the time. * Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. * Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations. ## Description * Creating, updating, maintaining, and interpreting required technical data mapping documentation. * Working with management, internal teams, and authorities to successfully navigate the data migration process for all systems. * Documenting responses to required data homogenization challenges and updating migration paths as necessary while maintaining a robust library of documentation. * Maintaining, updating, and conducting routine data integrity validation across all targeted cloud infrastructures. * Maintaining system baselines and configuration management items, including historical audit retention and security event monitoring policies. * Working with all stakeholders to ensure complete and functioning systems that meet all requirements. * Recommending, and when approved, implementing process and policy improvements for phased legacy system decommissioning. ## Related Videos - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [The Algorithm That Nearly Killed Me: When Testing Isn't Enough](https://www.wearedevelopers.com/videos/2110-the-algorithm-that-nearly-killed-me-when-testing-isn-t-enough) - [Exploring 5 Key Applications of AI Abundance with Blockchain Assurance](https://www.wearedevelopers.com/videos/971-exploring-5-key-applications-of-ai-abundance-with-blockchain-assurance) - [The Migration Cookbook](https://www.wearedevelopers.com/videos/100164-the-migration-cookbook) - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [From developer to manager – what does it take to become an engineering manager?](https://www.wearedevelopers.com/magazine/42-from-developer-to-manager-what-does-it-take-to-become-an-engineering-manager) - [Should Tech Managers Be Developers First? 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