Sr Mainframe Developer

Job Overview:

Fujitsu is looking to hire a fulltime, permanent, and highly skilled Senior Mainframe Developer to join our team. The ideal candidate will play a critical role in maintaining, enhancing, and supporting Mainframe systems to meet evolving business needs. This position requires an expert in z/OS, IDMS related system and utilities, COBOL, ADS/o, and JCL. They must also possess a strong ability to collaborate with cross-functional teams to deliver high-quality solutions and analysis of Mainframe systems.

Key Responsibilities:

System Development, Maintenance & Problem Resolution:

• Analyze business requirements and translate them into robust and mainframe application designs.
• Develop, enhance, and maintain mainframe programs using in z/OS, IDMS, COBOL, ADS/o, and JCL to ensure functionality aligns with business objectives.
• Perform comprehensive testing to validate solutions before deployment.
• Further develop the Mainframe application to implement enhancements and resolve issues as per business requirements.
• Troubleshoot production issues by analyzing logs, debugging code, and resolving errors to ensure minimal downtime.
• Provide root cause analysis for recurring issues and implement permanent solutions to prevent future disruptions.
• Collaborate with other IT teams to resolve complex cross-platform integration problems.

Mainframe Database Management:

• Design, implement, and maintain IDMS database structures to support application development and business requirements.
• Monitor Mainframe performance, conduct capacity planning and resolution to ensure ongoing sustainability.  
• Coordinate with key database administrators and stakeholders to ensure proper backup, recovery, and data security procedures are followed and executed.

Documentation, Integration & Collaboration:

• Collaborate with technical enterprise and modernization teams to integrate or document mainframe systems related to batch jobs, APIs, shared drives, or mainframe application functionality.
• Prepare and maintain detailed technical documentation, including program specifications, user guides, system workflows, and architectural diagrams.
• Work closely with business analysts to understand end-user requirements and translate them into technical specifications.
• Act as a liaison between the mainframe team and other IT teams to facilitate seamless cross-platform development and support.
• Ensure all system changes and enhancements are documented and approved according to organizational protocols.
• Engage with business stakeholders to provide technical insights, explain system functionalities, and recommend solutions to business challenges.
• Act as a subject matter expert (SME) for mainframe systems during audits, technical discussions, and strategy meetings.

Qualifications:

Other

• The resource must be located within Canada.
• Appropriately manage project team lead and client expectations on work assignments and responses to quality issues.
• Understand timelines and identify issues impacting timeline as necessary.
• Provide accurate estimates for work assigned as requested.
• Provide regular status updates to the Team Lead.
• Must be able to work in a self-sufficient manner and must be a good team player.
• Must possess a commitment to high quality deliverables.
• Must have excellent verbal and written communication skills with both clients and team members.
• Bachelor’s degree in Computer Science, Information Technology, or a related field. Equivalent experience may be considered.

Mandatory Skills, Certifications and Experience

Technical Skills:

• 8+ years of experience in mainframe application development and maintenance.
• 6+ years of experience in mainframe IDMS development and maintenance.
• Extensive experience with z/OS, RACF, IDMS related system and utilities (IDD, ADSA, ADSC, ADSO, MAPC, OLQ), COBOL, ADS/o, and JCL technologies.
• Experience with IDMS replication tools such as DARSTRAN.
• Experience in database management with OCF, SCHEMA, SSC.
• Proven track record in debugging, performance tuning, and problem resolution in mainframe environments.
• Proficiency in mainframe emulators such as Quick3270 and TN3270 Plus.
• Strong knowledge of batch and online processing.

Soft Skills:

• Strong analytical and problem-solving abilities.
• Methodical and detailed documentation skills.
• Excellent communication and interpersonal skills.
• Highly organized with the ability to manage multiple tasks and priorities effectively.

Desirable Skills, Certifications, and Experience:

• Familiarity with modern development practices, including Agile and DevOps.
• Certifications in relevant mainframe technologies.