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Database Administrator
Manages production databases (NoSQL and SQL) for performance and reliability, including Netezza/IIAS, Cassandra, MongoDB, SQL Server, Oracle, and DB2.
Senior z/OS Platform Engineer
Senior engineer maintaining and modernizing a mainframe-based e-commerce platform, focusing on z/OS, CICS, Db2, and related tooling to improve reliability and performance.
Infrastructure Engineer
Czym będziesz się zajmować? Charakterystyka oferty: Miejsce pracy: praca zdalna Data startu: 1.09.2026 Forma zatrudnienia: B2B z ITFS Wynagrodzenie: 110-130 zł netto/h + VAT Proces rekrutacyjny: Krótka rozmowa…
Infrastructure Engineer
Maintains and automates mainframe environments for a client, scripting in REXX/Python and using DB2, CICS, IMS, MQ, and z/OS tools.
Database Administrator Specialist
Manages and optimizes DB2 for z/OS databases on MVS/CICS, handles user access, performance tuning, and release management for a mainframe-based enterprise system.
RACF Mainframe Security Engineer
Maintains and implements RACF-based identity and access management for a large bank, ensuring secure mainframe access and cybersecurity solutions.
COBOL Software Engineer
Job Title: Software Engineer II (COBOL/CICS/Debit Card Processing) Location: Remote - USA No C2C, C2H, 1099 or Visa Sponsorship/Transfer available Nature & Scope: Positional Overview Are you a talented Mainframe…
Junior Data Engineer – Presencial en Caracas
Builds and maintains data pipelines using AWS and Mainframe, learning under senior mentorship in a high-demand tech environment.
Data Engineer JR - Hasta 2 años exp
Junior Data Engineer builds and maintains data pipelines, processes datasets, and ensures data quality using SQL, Python, and AWS tools like S3, Glue, and Athena.
Senior systems analyst r60k - 80k per month
Senior systems analyst modernizing legacy mainframe systems (COBOL/ASM) to open systems, designing technical specs, and guiding cloud migrations for a financial-services firm.
Database administrator
Maintain and optimize DB2 for z/OS, MVS, and CICS databases, tune SQL, manage releases, and support production users in a mainframe environment.
Senior Mainframe Software Engineer
Maintain and modernize legacy mainframe applications for Ford’s Recall and Software FSA systems, supporting production and new development while migrating to GCP.
Database Administrator
About the role Concept Plus is seeking a Database Administrator to provide senior technical leadership supporting federal IT systems development and operations, with a focus on database architecture, performance, and…
Legacy Application Support - Mainframe
Must‑Have Requirements Strong hands‑on experience in COBOL programming Ability to develop, enhance, debug, and optimize COBOL batch and online programs. Expertise in JCL (Job Control Language) Should be able to write,…
Legacy Application Support - Mainframe
Must‑Have Requirements Strong hands‑on experience in COBOL programming Ability to develop, enhance, debug, and optimize COBOL batch and online programs. Expertise in JCL (Job Control Language) Should be able to write,…
AI Modernization Senior Lead Software Engineer
Lead the modernization of legacy mainframe systems (COBOL, JCL, DB2) into modern Kotlin/JVM services using AI agents, RAG pipelines, and automated verification to ensure correctness and compliance in wealth management technology.
Software Engineer- Mainframe
Maintain and enhance legacy mainframe systems (COBOL, CICS, DB2, JCL) for a large U.S. bank, ensuring reliability and security while supporting digital transformation.
Senior Lead Software Engineer- Python Distributed Development and AI Modernization
Lead a team building AI agents that modernize legacy mainframe systems into scalable, auditable services using Python, Kotlin, and distributed architectures.