We are: The Advanced Technology Centers (ATCs) are the engine for reinvention in our clients’ transformation journey. Powered by more than 255,000 people across 24 countries, ATCs provide our clients with seamless access to industry insights and innovative technology solutions. Stronger together The Advanced Technology Centers (ATCs) make a tremendous impact in solving our clients’ business problems by leveraging innovation, intelligence, industry insights, new IT, and new technology skills. With the global environment changing at a faster pace, our clients are facing unprecedented challenges, and they need us more than ever before. As a Network, ATCs are positioned to unlock greater opportunities and exponential value for our clients. The value for our clients and our people: For our clients, the Network provides the strength of our geographic diversity, greater resilience, and seamless access to the deepest industry knowledge, the latest in Gen AI solutions, and tech expertise from around the world. For our people, it brings an opportunity to shape truly boundaryless career paths in a highly collaborative team of experts where they can learn from each other and solve the world’s most complex client challenges.

Key Responsibilities

- Design, develop, test, and maintain applications using COBOL, JCL, DB2, and CICS
- Build and optimize batch processing for account processing, interest calculation, fee assessment, investment transactions, income distributions, and tax slip generation (T3, T5, T4RSP/RIF, NR4)
- Develop online transactions and interfaces for branch, advice, digital, and call-centre channels
- Convert functional specifications into technical designs, and perform impact analysis and code reviews
- Troubleshoot production incidents including abends,



data issues, and batch delays; participate in on‑call support
- Support integration with distributed systems via MQ, APIs, and z/OS Connect
- Deploy changes using change and release management tools, following SDLC and ITIL processes
- Maintain technical documentation, runbooks, and operational procedures
- Adhere to security, audit, and regulatory controls, including data privacy and segregation of duties

This role requires a minimum of 3 days per week of on‑site presence in Mississauga.

Here’s What You Need

- Atleast 5–10+ years of hands‑on mainframe development experience, with strong exposure to Canadian retail banking and/or retail investments
- You bring strong proficiency in COBOL, JCL, DB2 (including SQL and performance tuning), CICS, and VSAM
- You bring experience working with DFSORT/SYNCSORT, REXX, and enterprise scheduling tools such as CA-7, Control-M, or TWS
- You bring hands‑on experience using debugging and data analysis tools such as Xpediter, Abend‑Aid, File‑Aid, and Fault Analyzer
- You bring experience developing and maintaining COBOL programs and copybooks in IDz, including use of the z/OS Connect toolkit to map OpenAPI JSON schemas to backend data structures such as COMMAREA and containers
- You bring experience integrating z/OS Connect adapters with CICS, IMS, and Db2 subsystems,



and using IDz interactive tools to debug and trace API execution on z/OS
- You should bring experience with source code and release management tools such as Endevor, ChangeMan, or Git‑based platforms
- You bring a solid understanding of batch processing windows, SLAs, restart/recovery design, and data reconciliation
- You bring strong analytical thinking, problem‑solving, and troubleshooting skills
- Bachelor’s degree in Computer Science, Computer Systems Engineering, Software Engineering, or a closely related field
- Bonus points if: You bring experience working with a major Canadian bank, investment dealer, or fund company
- You bring knowledge of retail investment processing, including mutual fund trades, Fundserv messaging, registered plan contributions and withdrawals, withholding tax, and year‑end slips
- You bring exposure to IMS, PL/I, or Assembler
- You should bring experience with mainframe DevOps tools and practices, including Zowe, Jenkins, IBM DBB, and IBM Z Open Development
- You bring familiarity with modernization initiatives, including mainframe‑to‑cloud integration and API enablement
- You should bring an understanding of OSFI technology and cyber risk expectations (B‑13) and third‑party risk guidelines (B‑10)

Compensation at Accenture varies depending on a wide array of factors, which may include but are not limited to the specific office location, role, skill set, and level of experience. As required by local law, Accenture provides a reasonable range of compensation, based on full‑time employment, for roles that may be hired as set forth below. The base pay range shown below is intended as a guideline to reflect the majority of offers f

📌 Custom Application Architect (Mississauga)
🏢 1200 Accenture Inc
📍 Mississauga