Senior Mainframe Developer
Lead critical mainframe modernization in a large-scale financial environment. Apply Now!
Location: Oslo (NO)
Remote: 0%
Assignment Period: 01 Jun 2026 – 29 Jan 2027
Application Deadline: 16 May 2026
Language: English (Professional proficiency required)
Workload: 100%
Assignment Description
We are seeking a Senior Mainframe Specialist to support a strategic modernization initiative within the financial sector. The role focuses on migrating from Broadcom/CA technologies to alternative solutions in a complex enterprise environment. You will work closely with project teams to analyze existing mainframe technologies, design replacement solutions, and support migration and implementation activities. This is an excellent opportunity for an experienced specialist who enjoys working with critical infrastructure, large-scale systems, and modernization projects.
Job Responsibilities
Analyze current use of mainframe technologies and software
Design and evaluate replacement solutions and target architecture
Support planning and execution of migration activities
Collaborate closely with project teams and technical stakeholders
Contribute to modernization and optimization initiatives
Assist with scripting, automation, and system configuration tasks
Requirements
Must Have
Strong knowledge and hands-on experience with IBM zOS
Experience with Endevor configuration and administration
Experience with cross-platform communication and integrations
Knowledge of mainframe and midrange scripting languages
Experience with Mainframe Unix System Services
Experience working with enterprise mainframe environments
Ability to work independently in complex technical projects
Professional proficiency in English, both written and spoken
CV must be submitted in English
Good to Have
Experience with Broadcom/CA tools such as Easytrieve, Telon, JCL Check, CA Spool, and TPX
Knowledge of mainframe SDLC, CI/CD, and VSCode
Understanding of midrange tools and integration with mainframe systems
Experience with mainframe infrastructure including CICS, IMS, databases, transaction managers, and queue systems
Experience from modernization or migration projects within enterprise environments
About Sperton
Sperton is a global recruitment and consulting firm with offices across Europe, Asia, and the Americas. We help companies find and manage top talent across borders, delivering fast, compliant, and flexible recruitment, consultant hiring, and global mobility services.
- Department
- Consultant jobs
- Locations
- Oslo
- Employment type
- Contract
- Job location
- Oslo (NO)
- Employment Level | Seniority
- Senior Level
Workplace & Culture at Sperton
At Sperton, we believe that great results come from great people.
Our culture is built on trust, collaboration, and a shared passion for delivering quality in everything we do.
We are a Norwegian-owned international company with colleagues across Europe, Asia, and the USA, working together seamlessly across time zones and cultures. Our teams are diverse, yet united by the same goal — to connect people and companies in meaningful ways.
We value openness, initiative, and continuous learning. Everyone at Sperton is encouraged to take ownership, share ideas, and challenge existing ways of working to make our solutions even better.
Even though we operate globally, our approach is personal. We take pride in creating a supportive and inclusive environment where people feel heard, respected, and motivated to grow — both professionally and personally.
