Custom Application Architect

Accenture PLC; Mississauga; On-site; CAD 83,000 - 133,000; Full time

Job summary

Accenture is seeking an experienced Mainframe Developer to join our Mississauga team. You will design, develop, test, and maintain COBOL, JCL, DB2 and CICS based applications in a large enterprise setting, with strong analytical and debugging skills.

The role requires on-site presence in Mississauga at least 3 days per week. You will optimize batch processing for accounts, handle online transactions across channels, and integrate with MQ, APIs and z/OS Connect.

Qualifications

• 5–10+ years of hands-on mainframe development experience, with exposure to Canadian retail banking and/or retail investments.
• Proficiency in COBOL, JCL, DB2 (SQL and performance tuning), CICS and VSAM.
• Experience with DFSORT/SYNCSORT, REXX, and enterprise scheduling tools such as CA-7, Control-M, or TWS.
• Hands-on debugging/data analysis tools: Xpediter, Abend-AID, File-AID, Fault Analyzer.
• Experience using IDz and the z/OS Connect toolkit to map OpenAPI JSON schemas to backend data structures.
• Experience integrating z/OS Connect adapters with CICS, IMS, and Db2; using IDz to debug API execution on z/OS.
• Experience with source code and release management tools such as Endevor, ChangeMan, or Git-based platforms.
• Strong understanding of batch processing windows, SLAs, restart/recovery design, and data reconciliation.
• Bachelor's degree in Computer Science, Computer Systems Engineering, Software Engineering, or closely related field

Responsibilities

• Design, develop, test, and maintain applications using COBOL, JCL, DB2, and CICS.
• Build and optimize batch processing for accounts, interest calculation, fee assessment, investment transactions, income distributions, and tax slip generation.
• 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.

Skills

COBOL

JCL

DB2

CICS

VSAM

DFSORT/SYNCSORT

REXX

MQ

z/OS Connect

Endevor

Git

Education

Bachelor's degree in Computer Science/Engineering

Tools

IDz

CA-7

Control-M

TWS

Xpediter

Abend-AID

File-AID

Fault Analyzer

Jenkins

Zowe

IBM DBB

Z Open Development

Job description

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.

You Are

An experienced Mainframe Developer with a strong background in COBOL, JCL, DB2, CICS, and VSAM, ideally within Canadian retail banking or retail investments. You bring strong analytical and troubleshooting skills, hands-on mainframe expertise, and experience supporting complex, business-critical applications.

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 strong 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 should 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 for this role. It does not represent a maximum limit - in some cases, actual compensation may exceed the range where appropriate. Information on benefits is here.

Role Location: British Columbia/Ontario/New Brunswick Annual Salary Range: $82,600 to $132,600