Technical Lead - IBM i / AS400 - Enterprise Wireline Billing Systems

Capgemini • Mississauga, ON

10d • CA$83,144 - CA$195,060 • Hybrid

About The Position

We are seeking a highly experienced Technical Lead – IBM i / AS400 to support and enhance enterprise wireline billing systems within a telecommunications environment. This role requires a strong technical foundation on IBM i (AS400) combined with leadership capability to drive delivery, manage production support, and ensure operational stability across complex legacy applications. The candidate will play a key role in solution design, system enhancements, risk management, and transition continuity.

Requirements

• 8+ years of hands-on experience with IBM i (AS400 / iSeries), RPG / RPGLE (free format), CL / CLLE, COBOL, SQL / Embedded SQL, DB2
• Strong experience with: Batch processing and scheduled jobs, ILE architecture, Legacy application support and troubleshooting
• Experience working with: Display files, subfiles, DDM
• Experience with enterprise telecom billing systems, including: Billing & Rating, Message Processing, Accounts Receivable, Ordering systems
• Experience with integrations: Web services, MQ / messaging platforms
• Proficiency with IBM i development/support tools: RDi, VS Code / GitHub Copilot, Implementer (MKS), Hawkeye, PKENCRYPT / PKZIP
• Proven experience in Technical Lead capacity
• Strong capabilities in: Estimation and delivery planning, Technical design and impact analysis, Code reviews and quality assurance
• Strong communication and stakeholder management skills
• Must be eligible to apply for Government of Canada (GoC) Clearance
• Ability to work within secure and regulated environments
• Strong ability to ramp up independently with minimal transition support

Nice To Haves

• Experience with enterprise telecom billing systems, including: Billing & Rating, Message Processing, Accounts Receivable, Ordering systems
• Experience with integrations: Web services, MQ / messaging platforms
• Exposure to: Modernization initiatives (API enablement, integration, cloud)
• Exposure to: DevOps practices in IBM i environments
• Experience working in large-scale legacy modernization or transformation projects
• Knowledge of Agile/Scrum delivery models

Responsibilities

• Own end-to-end lifecycle of IBM i (AS400) applications, including: Enhancements, Maintenance, Production support, Stability of RPGLE-based systems
• Deliver solutions aligned with SDLC standards and enterprise controls
• Ensure reliability of batch jobs, scheduled processes, and system integrations
• Analyze business and technical requirements and perform impact assessments
• Prepare solution designs, including; Technical specifications, Data mappings, Process flows, Operational procedures
• Lead development and implementation of changes across legacy applications
• Provide hands-on leadership across development teams: Work allocation and planning, Effort estimation, Code reviews and design validation
• Enforce development standards: Coding best practices, Documentation standards, Change and release management processes
• Maintain delivery discipline and quality across releases
• Lead incident resolution through: Troubleshooting, Root cause analysis (RCA), Defect investigation and fixes
• Provide post-release validation and support for deployments
• Collaborate with Business stakeholders, QA teams, Operations, Cross-functional delivery teams
• Ensure effective communication, delivery alignment, and prioritization
• Drive knowledge transfer and operational readiness
• Identify and mitigate transition risks and knowledge gaps
• Improve: Documentation quality, Support ownership models, Long-term sustainability of systems

Benefits

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed