mainframe

Manage and support z/OS TCP/IP, VTAM, SNA, and network connectivity.Troubleshoot complex mainframe network, routing, firewall, DNS, and connectivity issues.Configure and support TLS/SSL, AT-TLS, certificates, FTP/SFTP, and SSH.Monitor network performance, availability, and capacity.Lead incident resolution, RCA, and problem management.Design and implement...

Vil du sætte retningen for en af Danmarks mest kritiske mainframe-platforme i en virksomhed, der aktivt investerer i og udvikler platformen? Hos JN Data er mainframe en central del af vores forretning og fundament for en stor del af den finansielle infrastruktur i Danmark. Vi investerer målrettet i platformens videreudvikling og står foran en markant...

Mastercard in Copenhagen is seeking a Senior Software Engineer - MPG to design and develop new batch solutions and architect operational systems. You will support development, maintain batch processes, and ensure robust documentation and QA on changes. Responsibilities include proactive incident handling, ongoing operational support, and setting standards...

Mainframe DB2 Database Administrator (DBA)Full Time, ContractRemote04 Sep, 2026Role: Mainframe Db2 Database Administrator (DBA)The consultant will be responsible for:Design, create, and maintain Db2 databases, tablespaces, indexes, and related database objects on z/OS.Monitor and optimize database performance through SQL tuning, indexing strategies, and...

Duration: Until February 2027, with a strong possibility of a 1-2 month extension Work Setup: Hybrid or Remote Location: Due to GDPR requirements, the customer prefers consultants based in Europe. However, exceptionally strong profiles outside Europe may be considered on a case-by-case basis. For candidates located outside Europe, we will therefore only...

En førende finansiel institution i Danmark søger en erfaren Senior DB2 Engineer til at optimere og udvikle DB2 på z/OS. Du vil være en del af et specialiseret team med ansvar for teknisk tuning og integration mellem mainframe-økosystemet og public cloud. Ideelle kandidater har solid erfaring med DB2, performance tuning og en interesse for...

En IT-konsulentvirksomhed i Danmark søger en Senior Domain Architect til at optimere og automatisere mainframe-løsninger. Du vil arbejde tæt med erfarne specialister og fokusere på performance og best practices. Din rolle omfatter rådgivning i datadesign og integration til cloud, samt implementering af nye teknologier. Stillingen tilbyder et innovativt...

Mastercard in Copenhagen is seeking a Senior Software Engineer - MPG to design and develop new batch solutions and architect operational systems. You will support development, maintain batch processes, and ensure robust documentation and QA on changes.Responsibilities include proactive incident handling, ongoing operational support, and setting standards for...

JN Data A/S i Roskilde søger en Domain Architect til at sætte retningen for mainframeområdet. Rollen inkluderer ansvar for udvikling og integration af teknologier.Du vil arbejde tæt med forskellige teams og interessenter for at sikre optimal udvikling. Stillingen tilbyder fleksible arbejdstider og et professionelt arbejdsmiljø.Gode ansættelsesvilkår...

En førende finansiel institution i Danmark søger en erfaren Senior DB2 Engineer til at optimere og udvikle DB2 på z/OS. Du vil være en del af et specialiseret team med ansvar for teknisk tuning og integration mellem mainframe-økosystemet og public cloud. Ideelle kandidater har solid erfaring med DB2, performance tuning og en interesse for...

Bankdata søger en erfaren Senior Software Developer til at udvikle og videreudvikle vores mellemled mellem mainframe og moderne tooling. Du vil forbedre CI/CD workflows og sikre høj kvalitet gennem code reviews og samarbejde på tværs af teams.Du har erfaring med Git, GitHub Actions, REST APIs og mainframe-infrastruktur, samt flair for at opbygge...

Zimaw seeks an experienced Mainframe DB2 Database Administrator (DBA) to design, implement, and maintain Db2 databases on the z/OS platform. The role emphasizes performance tuning, space management, and robust backup/recovery processes.The candidate will ensure security, user access control, and compliance with organizational standards while supporting...

En førende IT-leverandør til finanssektoren søger en Senior Domain Architect med fokus på mainframe platforme og DB2. Du vil optimere og modernisere systemer, arbejde tæt sammen med erfarne ingeniører og bidrage til implementeringen af AI-værktøjer. For at lykkes i denne rolle forventes det, at du har 5-10 års erfaring med SQL/COBOL og z/OS og kan...

Duration: Until February 2027, with a strong possibility of a 1-2 month extensionWork Setup: Hybrid or RemoteLocation: Due to GDPR requirements, the customer prefers consultants based in Europe. However, exceptionally strong profiles outside Europe may be considered on a case-by-case basis. For candidates located outside Europe, we will therefore only...

Zimaw is seeking a skilled mainframe network specialist to manage and support z/OS TCP/IP, VTAM, SNA, and overall connectivity across the enterprise. You will troubleshoot complex mainframe network issues, configure TLS/SSL, certificates, and SSH, and monitor performance, availability, and capacity.The role requires coordinating with multiple teams to ensure...

En førende IT-leverandør til finanssektoren søger en Senior Domain Architect med fokus på mainframe platforme og DB2. Du vil optimere og modernisere systemer, arbejde tæt sammen med erfarne ingeniører og bidrage til implementeringen af AI-værktøjer. For at lykkes i denne rolle forventes det, at du har 5-10 års erfaring med SQL/COBOL og z/OS og kan...

Mastercard is seeking a Senior Software Engineer - MPG to design and develop Batch solutions on mainframe platforms. You will architect operational solutions, provide testing and support, and shape standards for mainframe setup and documentation.The role requires experience with mainframe z/OS, JCL, MQ, IMS, and DB2, plus strong Danish and English...

Mastercard Payment Services Denmark A/S seeks a Senior Software Engineer to design and develop Batch solutions and to architect the mainframe operations. You will support development, testing, and ongoing maintenance while defining standards for operational setup and documentation.You will work with a broad set of mainframe tools and languages, including...

Zimaw seeks a Mainframe Automation Engineer to design, implement, and maintain automation solutions using IBM Systems Automation, NetView, and related tools. You will automate startup, shutdown, monitoring, and recovery processes to improve availability and operational efficiency. You will collaborate with z/OS, CICS, Db2, IMS, storage and operations teams...

Manage and support z/OS TCP/IP, VTAM, SNA, and network connectivity. Troubleshoot complex mainframe network, routing, firewall, DNS, and connectivity issues. Configure and support TLS/SSL, AT-TLS, certificates, FTP/SFTP, and SSH. Monitor network performance, availability, and capacity. Lead incident resolution, RCA, and problem management. Design and...