Senior MQ Systems Programmer – z/OS

ArcBee is looking for a highly experienced Senior MQ Systems Programmer with strong hands-on expertise in IBM MQ on z/OS for a long-term assignment in a business-critical financial infrastructure environment.

You will join a skilled mainframe infrastructure team responsible for the availability, security, maintenance and continuous modernization of the IBM MQ platform. This is a senior, hands-on role for a consultant who is comfortable taking technical ownership, working independently and collaborating with internal infrastructure teams, application teams and business stakeholders.

Responsibilities

• Administer, maintain and support IBM MQ on z/OS in a production-critical environment.

• Perform recurring MQ maintenance, including RSU/PTF maintenance and MQ version upgrades.

• Install, configure and maintain MQ-related software using SMP/E.

• Troubleshoot MQ platform incidents, assess technical impact and support root-cause analysis.

• Manage MQ queue managers, channels, security settings and platform configuration.

• Handle technical service requests and support internal and external stakeholders.

• Manage the lifecycle of internal and external certificates used in MQ integrations.

• Work with TLS/SSL, PKI, encryption, cipher specifications and MQ-related key management.

• Contribute to technical documentation, operational procedures and knowledge transfer.

• Participate in modernization initiatives and continuous improvements across the mainframe infrastructure.

Required experience

• Several years of hands-on experience working with IBM z/OS.

• Proven senior-level experience as an IBM MQ on z/OS Systems Programmer.

• Strong hands-on experience with IBM MQ installation, configuration, administration, maintenance and troubleshooting on z/OS.

• Experience with SMP/E, including software installation, maintenance and lifecycle management.

• Experience performing MQ RSU/PTF maintenance and version upgrades.

• Strong knowledge of MQ security, TLS/SSL, PKI, certificates, ciphers and key management.

• Experience renewing, replacing and maintaining internal and external digital certificates.

• Ability to work independently, communicate clearly and collaborate effectively in a complex enterprise environment.

• Professional working proficiency in English.

Preferred experience

• Experience with z/OS Unix System Services (USS).

• Broader systems-programming experience across z/OS, such as RACF, CICS, DB2 or system security.

• Experience with IBM MQ on Windows or distributed MQ environments.

• Experience from banking, financial services, clearing, insurance, telecom or another high-availability and regulated environment.

• Availability for on-site or hybrid work in Stockholm.

What We Offer

At ArcBee, you gain access to a strong network of clients and partners, with opportunities that match both your specialist expertise and your ambitions.

• Interesting and long-term assignments with established organisations

• Competitive compensation and transparent terms

• Opportunities within modern software development, test automation, integration, cloud, and digital payment solutions

• Personal and responsive support from people who understand both the market and your skills

• Flexibility and respect for a healthy work-life balance

• The opportunity to work in highly skilled teams where you can influence technology, quality, and ways of working

• Work permit and help wih relocation.