Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

AS400 Mainframe Developer

Full-time

CGI

Job Responsibility:

We are seeking an experienced AS400/Mainframe Developer to join our development team. You will be responsible for maintaining and enhancing our critical AS400/Mainframe systems and applications. This role focuses exclusively on AS400/Mainframe development with knowledge of .NET being a nice-to-have but not required.

Your future duties and responsibilities

  • Develop and maintain applications on AS400/Mainframe systems
  • Write, test, and debug RPG, CL, and COBOL programs
  • Design and maintain DB2 databases and files
  • Implement batch processing jobs and interactive applications
  • Troubleshoot and resolve system issues
  • Optimize existing applications for performance and reliability
  • Create and maintain technical documentation
  • Participate in system upgrade and maintenance activities

Required qualifications to be successful in this role

  • 3-6 years of hands-on experience with AS400/Mainframe systems and IBMi operating system
  • Strong proficiency in RPG, RPGLE, CL, SQL, and DB2 database technologies
  • Experience working with and consuming web APIs within AS400/Mainframe environments
  • Familiarity with query tools, reporting systems, and version control systems
Problem-Solving & Analytical Capabilities:
  • Methodical and analytical approach to complex problem-solving scenarios
  • Proven troubleshooting expertise, particularly in identifying and resolving performance issues and system bottlenecks
  • Ability to design scalable, maintainable, and secure technical solutions
  • Basic knowledge of .NET development
  • Experience with system integration between legacy and modern platforms
  • Understanding of web services and APIs
  • Strong technical foundation in AS400/Mainframe development
  • Detail-oriented with excellent troubleshooting abilities
  • Good communication skills
  • History of reliable project delivery
  • Self-motivated with ability to work with minimal supervision
  • Understanding of business processes in relation to AS400 applications
#LI-NB5

Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. At CGI, we recognize the richness that diversity brings. We strive to create a work culture where all belong and collaborate with clients in building more inclusive communities. As an equal-opportunity employer, we want to empower all our members to succeed and grow. If you require an accommodation at any point during the recruitment process, please let us know. We will be happy to assist. Come join our team—one of the largest IT and business consulting services firms in the world.

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the AS400 Mainframe Developer in Halifax, NS vacancy
  • $90k - $100k per year

     ...servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first... 
    Suggested
    Long term contract
    Flexible hours

    Synechron Technologies Pvt. Ltd.

    Halifax, NS
    more than 2 months ago
  •  ...Job Responsibility: CGI is seeking an experienced Salesforce Developer with an expertise to develop advanced Apex classes, Lightning Web Components, and system integrations. This role combines hands-on development with emerging architectural responsibilities, collaborating... 
    Suggested
    Full time

    CGI

    Halifax, NS
    3 days ago
  •  ...Job Responsibility: Lead Java Developer The Technical Lead role is pivotal in driving the development and implementation of advanced Java-based solutions within the international and electronic payments domain. With a hybrid work model and day shift the candidate will... 
    Suggested
    Full time
    Work at office
    Day shift
    2 days per week
    3 days per week

    Cognizant

    Halifax, NS
    3 days ago
  •  ...agencies might find too big, or too difficult, or too fast. Sound good? Great, here's who we're looking for… The Lead Frontend Developer will have a deep expertise in React and headless CMS architectures (WordPress, Drupal). This role will be responsible for leading the... 
    Suggested
    Full time
    Work at office
    Remote work
    Flexible hours

    VERB Interactive

    Halifax, NS
    5 days ago
  • The Senior Lead Developer provides technical and operational leadership across the Seaquyl platform. This role owns architecture, engineering standards, development processes, and delivery execution while remaining hands-on in the codebase. Beyond technical oversight, the Senior... 
    Suggested
    Internship

    Randstad

    Halifax, NS
    5 days ago
  • $65k - $125k per year

    Senior Full Stack Developer - Nodejs and React Position Description We are growing our capabilities across Atlantic Canada and are seeking a Senior Full Stack Developer with 10+ years of backend development experience to join our team. This is a permanent, full-time role... 
    Permanent employment
    Full time
    Work at office
    2 days per week
    3 days per week
    Halifax, NS
    12 days ago
  • $75k - $145k per year

    Lead React Native Developer Position Description We are seeking a Lead Developer with 10+ years of software engineering experience, including 5+ years of hands-on experience in React Native, JavaScript, and TypeScript, to lead the design and development of high-performance... 
    Local area
    2 days per week
    3 days per week
    Halifax, NS
    a month ago
  • $65k - $125k per year

    Senior Java Developer, Payments Position Description We are seeking a Senior Software Engineer (10–15 years’ experience, including 5+ years in a senior/lead role) with strong expertise in Java, Spring Boot, microservices architecture, REST APIs, and Kafka (or similar... 
    Permanent employment
    Full time
    Work at office
    2 days per week
    3 days per week
    Halifax, NS
    4 days ago
  • $65k - $125k per year

    Senior Web Developer, React Position Description We are seeking a Senior Web Developer with strong expertise in React to join our CGI offices in Atlantic Canada. This is a full-time, permanent position requiring 10+ years of experience in software development. In this... 
    Permanent employment
    Full time
    Halifax, NS
    12 days ago
  •  ..., procurement, installation logistics and commissioning Manage technical questions and answers Participate in design review Develop and manage reports, requirements documentation and presentations QUALIFICATIONS ~ Post-secondary education in Interior Design,... 
    Internship

    Universal Realty Group

    Halifax, NS
    1 day ago
  •  ...Mortgage Operations & Systems Lead operational administration of Mortgage Automator and ensure data integrity across the portfolio. Develop reporting and process improvements to enhance operational efficiency. Enforcement & Recovery Management Manage delinquent... 
    Temporary work
    Self employment
    Work at office

    Keystone MIC

    Halifax, NS
    14 hours ago
  •  ...retail, and warehouse space plus the iconic Lord Nelson Hotel & Suites. Committed to crafting extraordinary experiences, we envision, develop and support unique locations into distinctive environments, showcasing our passion for exceptional living. We're excited to... 
    For subcontractor
    Work at office

    Universal Realty Group

    Halifax, NS
    17 days ago
  •  ...retail, and warehouse space plus the iconic Lord Nelson Hotel & Suites. Committed to crafting extraordinary experiences, we envision, develop and support unique locations into distinctive environments, showcasing our passion for exceptional living. We are currently... 
    Work at office

    Universal Realty Group

    Halifax, NS
    24 days ago
  •  ...construction market. This is a fantastic development program for someone who wants to work in an entrepreneurial environment while developing their sales and leadership skills. We are looking for energetic, results driven team players! This position will teach you every... 
    Permanent employment
    Full time
    Traineeship

    Summit Search Group

    Halifax, NS
    7 days ago
  •  ...project, plans, and creates the complete project schedule, identifies the critical path, and anticipates constructability issues. Develops and implements the Project Execution Plan (PEP) and resource-loaded three-week lookahead schedules. Creates, maintains, and executes... 
    Long term contract
    Contract work
    For contractors
    For subcontractor
    Work at office
    Flexible hours

    PCL Construction

    Halifax, NS
    20 hours ago
  •  ..., education and healing. We are consistently ranked among the best companies to work for because we are committed to supporting and developing our teams.    The PCL Companies celebrate diversity and are proud to be an equal opportunity employer. We are committed to creating... 
    Full time
    Internship
    Work at office

    PCL Construction

    Halifax, NS
    20 hours ago
  •  ...the sun. You’ll find a dynamic space with endless possibilities to grow your career. We are a culture that wants to see you succeed, develop your customer expertise and care, and feel supported by people who embrace you. With us, you’ll bring warmth into the hearts and souls... 
    Minimum wage
    Temporary work
    Seasonal work
    Live In
    Local area
    Worldwide

    EssilorLuxottica Group

    Halifax, NS
    20 hours ago
  •  ...general subtrade solicitation duties. Bid document control. Performing bid day assignments. Visiting job sites periodically. Developing relationships with subcontractors. Other duties as assigned. Qualifications Working towards a degree or diploma in civil... 
    Full time
    Contract work
    For subcontractor
    Internship

    PCL Construction

    Halifax, NS
    20 hours ago
  •  ...our purpose, we strive to do great things for each other, our partners, our communities, and our planet. We believe a career should develop your talents, fuel your passions, and empower your professional growth. So, no matter what you're pursuing - a new challenge, a sense... 
    Permanent employment
    Full time
    Monday to friday
    Day shift

    Aramark

    Halifax, NS
    20 hours ago
  •  ...performing administrative tasks for manager, department, or team. Developing and maintaining customer-focused relationships with all...  ...difficult situations and remain calm under pressure.  ~ Ability to develop and maintain effective stakeholder relationships.  ~ Ability to... 
    Long term contract
    Contract work
    Work at office
    Flexible hours

    PCL Construction

    Halifax, NS
    20 hours ago
  •  ...success.      Job Responsibilities:  Conduct and manage daily operations to meet productivity targets and quality standards.  Develop and implement streamlined processes to enhance efficiency.  Collaborate with cross-functional teams to synchronize efforts and... 
    Permanent employment
    Internship

    GardaWorld

    Halifax, NS
    20 hours ago
  • $105.09k - $162.25k per year

     ...of Delinea installations. Troubleshoot and resolve technical issues across Delinea environments. 3. Training & Documentation Develop and deliver training sessions, user guides, and reference materials for clients and internal teams. Provide ongoing support to ensure... 
    Long term contract
    Temporary work
    Work at office
    Remote work
    Flexible hours

    NTT DATA Services

    Halifax, NS
    20 hours ago
  • undefined Ready to Make an impact? The Front End Manager is responsible for coaching, motivating, and developing department staff to foster customer loyalty, fulfil customer needs and actively contribute to an environment of employee and customer engagement. They are fiscally... 
    Long term contract
    Full time
    Temporary work
    Internship
    Work at office
    Local area

    Sobeys

    Halifax, NS
    20 hours ago
  • $19 - $21 per hour

     ...proactive approach to talent acquisition. Responsibilities Collaborate with hiring managers to understand staffing requirements and develop recruitment strategies. Manage the full recruitment cycle, including sourcing, screening, interviewing, and presenting qualified... 
    Hourly pay
    Immediate start
    Monday to friday

    HF Group

    Halifax, NS
    11 days ago
  •  ...standards and legislated standards within the component including company policy and procedure  Assists with onboarding, coaching and developing culinary staff  Assist with weekly inventory and product ordering  Standardizes production recipes to ensure consistent quality... 
    Permanent employment
    Full time
    Monday to friday

    Aramark

    Halifax, NS
    16 days ago
  •  ...project – a large-scale, multi-city, multi-partner project for climate action research in the transportation sector Coordinating and developing deliverables for Dalhousie University’s Subsurface Energy Research Program/Transportation and Infrastructure Study Participating... 
    Full time
    Contract work
    Part time
    Casual work
    Work at office
    Local area
    Immediate start

    Dalhousie Transportation Collaboratory (DalTRAC)

    Halifax, NS
    1 day ago
  •  ...months of full-time work) and annual paid time off, including personal and vacation days. Career Growth: Giant Tiger is committed to developing our people. We promote from within, and many of our leaders started right here. We provide the coaching, training, and support you... 
    Long term contract
    Permanent employment
    Full time
    Part time
    Flexible hours
    Weekend work
    Day shift
    Afternoon shift

    Giant Tiger

    Halifax, NS
    2 days ago
  • $25.17 per hour

     ...with the Centre and external service providers; The understanding of (and ability to carry out) approved policies and procedures developed by the Operations Department and the Centre; The desire and ability to engage in continuing education and skills upgrading; To... 
    Hourly pay
    Remplacement
    Part time
    Immediate start
    Shift work
    Weekend work
    Afternoon shift

    Halifax Regional Centre for Education

    Halifax, NS
    15 days ago
  • $26.42 per hour

     ...Department of Public Works supports Nova Scotia’s 23,000 kilometers of roads and highways and 4,100 bridges. There are a lot of exciting developments on the horizon in our Province, and this is your opportunity to get involved with the growth of your Provincial Infrastructure.... 
    Hourly pay
    Long term contract
    Contract work
    Temporary work
    For contractors
    Summer work
    Internship
    Work at office
    Local area
    Remote work
    Monday to friday
    Night shift

    Government of Nova Scotia

    Halifax, NS
    15 days ago
  •  ...emphasis on training and orientation process. We pride ourselves on the growth of our employees by supporting and encouraging them to develop skills that lead to successful careers. We pride ourselves in having the most modern motorcoach fleet in Canada and are committed... 
    Full time
    Shift work

    Coach Atlantic Transportation Group Inc.

    Halifax, NS
    21 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to AS400 Mainframe Developer. Be the first to apply!