Senior MQ Systems Programmer – z/OS

About ArcBee

At ArcBee, you have the opportunity to work with technology that makes a real difference.

We support organisations in developing, improving, and quality-assuring business-critical digital solutions across banking, insurance, retail, payments, and financial services.

We know that experienced IT specialists are not simply looking for their next assignment. You are looking for the right technical challenge, strong professional conditions, competitive compensation, and a partner that truly understands your expertise. That is why we work closely with our specialists, clients, and trusted partners to create assignments where you can grow, make an impact, and thrive over the long term.

ArcBee is a Stockholm-based IT company with experience in software development, integration, testing, and quality assurance in complex and business-critical environments. Our focus includes solutions for banking, insurance, payments, and financial services.

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.