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Added 1 min ago
BC
Senior Manager, Data & AI
BDO Canada
Vancouver, BC
- Full-time
Lead Data & AI strategy engagements, including current-state assessments, target-state architecture, operating model design, governance planning, business case development, and short- and…
Added 1 min ago
BB
Director, Marketing Technology Consulting
Bond Brand Loyalty
Canada
- $135,000 to $185,000 CAD / year
- Full-time
…guide clients through platform selection, solution design, and implementation of martech ecosystems - including customer data platforms, marketing automation, personalization engines,…
Added 1 min ago
BS
Technology Risk Consultant
Brainhunter Systems Ltd
ON · Ontario, Canada
- Contract
Lead the design, implementation, and testing of technology controls, ensuring alignment with internal standards and external frameworks (e.g., ISO 27001, ICOFR, SOC 2, SWIFT, PCI DSS)
Added 2 mins ago
B
Change Management Analyst
BuzzClan
AB · Edmonton, AB
- Contract
…for a resource who can produce and execute change artifacts, lead and run stakeholder engagements, and support implementation readiness across the…
Added 2 mins ago
NB
Director of Registration & Licensure / Directeur (directrice) de l’inscription et de la délivrance des licences
New Brunswick College of Pharmacists
Moncton, NB
- Full-time
This is a unique opportunity to lead modernization initiatives that will help shape the future of pharmacy regulation in New Brunswick. The successful candidate will support critical…
Added 2 mins ago
SC
Senior Analyst Category Management
Sysco Canada Inc.
Halifax, NS
- Full-time
Project Management: Lead and manage data-driven projects, including the development and implementation of new analytical models and the integration of new data sources.
Added 2 mins ago
H(
Associate Director, Operational Risk & Enterprise Crisis Management
HOOPP (Healthcare of Ontario Pension Plan)
Toronto, ON
- Full-time
…risks, inefficiencies and control gaps. For ECC, this role will lead the execution and ongoing management of HOOPP's Enterprise Crisis Management and Business Continuity programs, including…
Added 2 mins ago
PC
Lead Specialist – IT SAP
Parkland Corporation
Calgary, AB
- Full-time
…with the corresponding business processes and related project implementation. The candidate will use in-depth analysis skills, business knowledge, and technical expertise to implement…
Added 2 mins ago
H(
Technical Lead, API & Integration Engineering
HOOPP (Healthcare of Ontario Pension Plan)
Toronto, ON
- $103,000 to $153,000 CAD / year
- Full-time
You will act as a hands-on technical lead for product development initiatives, balancing delivery leadership with engineering depth. This role will provide technical mentorship to…
Added 2 mins ago
PC
Lead Specialist – IT SAP
Parkland Corporation
Calgary, AB
- Full-time
…with the corresponding business processes and related project implementation. The candidate will use in-depth analysis skills, business knowledge, and technical expertise to implement…
Added 2 mins ago
SJ
Human Resources Business Partner, Non-Acute
St. Joseph's Health System
Hamilton, ON · Dundas, ON
- $49 to $57 CAD / hour
- Full-time
Support the implementation of programs and processes aligned with the people plan.
Added 2 mins ago
CM
Bilingual Senior Relationship Manager, Relationship Management
CIBC Mellon
Toronto, ON · Greater Toronto Area, Canada
- Full-time
The Bilingual Senior Relationship Manager is the single client relationship and service lead for an assigned group of CIBC Mellon’s CGNP and CFI clients. Senior Relationship Managers are…
Added 2 mins ago
CA
Brand Engineer
Calico AI
Toronto, ON
- Full-time
The Brand Engineer, AI Workflows is Calico's strategy and implementation lead for new customers. From the day a brand signs, you own the plan for how Calico fits into their product creation…
Added 2 mins ago
JH
Senior Architect - Cybersecurity
John Hancock
Toronto, ON
- Full-time
Assist in the development of security strategies and implementation roadmaps centered around a Zero-Trust philosophy.
Added 2 mins ago
VB
Senior Procurement Specialist
Vaco by Highspring
Toronto, ON
- $81,000 to $115,000 CAD / year
- Full-time
Lead the development, implementation, and execution of the annual Procurement Plan.
Added 4 mins ago
Site Lead - Program Development and Evaluation (MLSE)
Toronto Community Housing or Toronto Seniors Housing
Toronto, ON
As a Site Lead on the Program Development & Evaluation team, you will lead and inspire a team to deliver a high-quality program for TCHC youth aged 6-12. You’ll supervise program staff,…
Added 4 mins ago
Retail Experience Lead
Fire & Flower Inc.
Sarnia, ON
The Retail Experience Lead is responsible for opening and closing duties, overseeing daily operations, and supervising staff during an assigned shift.
Added 4 mins ago
Retail Experience Lead
Fire & Flower Inc.
Windsor, ON
The Retail Experience Lead is responsible for opening and closing duties, overseeing daily operations, and supervising staff during an assigned shift.
Added 4 mins ago
Principal Product Manager - Platform Security
PagerDuty
Toronto, ON
…trust. This role owns the full lifecycle from recommendation to implementation to operations. You'll be the decision-maker on risk acceptance, control exceptions, and incident escalation in…
Added 4 mins ago
Senior Financial Analyst - Logistics
Give and Go Prepared Foods
Toronto, ON
Lead monthly forecasting, reporting and performance reviews for Logistics and related supply chain cost centres.
Added 4 mins ago
V
Senior Quality Management System (QMS) Quality Engineer
VitalBio
Oakville, ON
- Full-time
The Senior QMS Quality Engineer will lead quality system initiatives including CAPA, change control, document control, training, audits, supplier quality, management review, risk…
Added 4 mins ago
TP
Manager, Operations
Toronto Parking Authority
Toronto, ON
- Full-time
Oversee the implementation of new products and services to TPA facilities.
Added 16 mins ago
CN
Manager, Innovation and Commercialization
Canadian Nuclear Laboratories
Chalk River, ON
- Full-time
…looking for a Manager, Innovation and Commercialization to lead and execute strategic commercial initiatives that turn novel ideas into impact. This may be the job for you - apply…
Added 18 mins ago
C
Environmental Construction Manager
Canacre
Sudbury, ON
- Full-time
…suitable candidate will have the ability to inspire, develop and lead talent to meet and exceed established goals that drive the business performance in an area of…
Added 18 mins ago
C
Environmental Construction Manager
Canacre
Timmins, ON
- Full-time
…suitable candidate will have the ability to inspire, develop and lead talent to meet and exceed established goals that drive the business performance in an area of…

Citi

Senior Mainframe Applications Developer

Mississauga, ON, Canada

$94,300.00 - $141,500.00 · Full-time

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Job details

Pay: $94,300.00 - $141,500.00
Job type: Full-time
Experience: 5 to 8 years of experience in systems analysis and applications development.
Posting language: English
Posted: Oct 5, 2026

Original job description

As a Senior Mainframe Applications Developer, you will build, test, and support critical mainframe applications using COBOL, JCL, and CICS, directly shaping how Citi's technology platforms serve its business users. This role sits within Citi's Technology team, where you will take ownership of the full development lifecycle, from design through implementation, while advising teams on best practices. You will work with a high degree of independence, acting as a go-to specialist for complex application challenges.

Responsibilities

Design and build new or revised mainframe applications using COBOL, JCL, and CICS to meet specific business needs.

Lead feasibility studies, time estimates, and cost estimates to support technology planning decisions.

Manage every phase of the development lifecycle, including analysis, design, construction, testing, and implementation.

Provide ongoing operational support to business users on live applications.

Analyze complex system and business process issues, drawing on in-depth application development expertise to resolve them.

Develop security measures following implementation reviews to strengthen system design and functionality.

Advise clients and other technology teams on programming solutions and support the rollout of customer-facing systems.

Coach junior developers and help define development standards for the wider team.

Required Qualifications & Skills

5 to 8 years of experience in systems analysis and applications development.

Hands-on experience building and maintaining applications with COBOL.

Hands-on experience writing and managing JCL scripts.

Practical experience developing with CICS.

A track record of managing and delivering successful technology projects.

Working knowledge of project management and consulting techniques.

Ability to manage shifting priorities and tight deadlines without losing focus on quality.

Bachelor's degree or equivalent practical experience.

Education:

Bachelor’s degree/University degree or equivalent experience

What We Offer

Join a technology team where your mainframe expertise directly supports systems used across the business, and where your growth is matched by real ownership of projects.

Work in a hybrid model with 3 days in the office and 2 days working remotely.

Gain exposure to large-scale systems and global technology teams.

Access structured learning and development programs to grow your technical skills.

Benefit from financial wellbeing programs and resources that support long-term planning.

Work in an environment that supports a sustainable balance between career and personal life.

Build and support the mainframe systems that keep Citi's business running by applying today.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$94,300.00 - $141,500.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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More about this job

Responsibilities

Design, build, and maintain critical mainframe applications using COBOL, JCL, and CICS while managing the full development lifecycle. Provide operational support, lead technical planning, and mentor junior developers to ensure high-quality system delivery.

Requirements

Requires 5 to 8 years of experience in systems analysis and applications development with hands-on expertise in COBOL, JCL, and CICS. A bachelor's degree or equivalent practical experience is mandatory for this role.

Skills

Cobol
Jcl
Cics
Systems analysis
Applications development
Project management
Consulting
Software design
Technical leadership
Operational support
Security measures
Mentoring
Mainframe development
Feasibility studies
Cost estimation

Benefits

Hybrid work model
Structured learning and development programs
Financial wellbeing programs
Work-life balance support

Visa sponsorship

Not detected in the job text

Keywords

Mainframe
Cobol
Jcl
Cics
Systems analysis
Applications development
Project management
Consulting
Technical planning
Operational support
Security
Mentoring
Technology
Hybrid work
Financial services
Enterprise systems

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