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Intern Java Mainframe Developer Jobs in Ontario (NOW HIRING)

Maarut

... and mainframe applications for workstreams. \n * Responsible for development utilizing a ... Expert in one or more programming languages (Java, Python, SQL, JavaScript\/TypeScript with ...

SS&C

Intern - Technical

Toronto, ON · Hybrid

CA$25 - CA$40/hr

... engineers who help and challenge them they work on projects that matter to our customers. Work with ... Java, Spring, SpringBoot, RESTapi, Nodejs, SQL, MongoDB, Postgres * Backend testing: Junit ...

Mackenzie Financial Corporation

CA$68K - CA$78K/yr

Active programming proficiency, with fluency in Python; experience with other languages like ... Java, MATLAB, R, or Rust is an asset * Hands-on experience working with large datasets ...

New

Acceldata

Field Engineering Co-Op

Kitchener, ON

CA$20 - CA$30/hr

WHY INTERN WITH US * Gain valuable experience at a fast-growing tech startup in Canada. * Work ... Strong programming skills in languages such as Java, Scala, and Python.Knowledge of data structures ...

Acceldata

Sales Engineering Co-Op

Kitchener, ON

CA$20 - CA$30/hr

WHY INTERN WITH US * Gain valuable experience at a fast-growing tech startup in Canada. * Work on ... Strong programming skills in languages such as Java, Scala, and Python.Knowledge of data structures ...

Acceldata

Software Engineering Co-op

Kitchener, ON

Why Intern With Us: At Acceldata, you won't just be writing code; you'll be shaping the foundation ... Strong programming skills in languages such as Java or Scala, and Python. * Developed and prepared ...

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All JobsIntern Java Mainframe Developer JobsIntern Java Mainframe Developer Jobs in Ontario

Intern Java Mainframe Developer information

What is the difference between Intern Java Mainframe Developer vs Intern Mainframe Developer?

AspectIntern Java Mainframe DeveloperIntern Mainframe Developer
Required SkillsJava, Mainframe basics, basic database knowledgeMainframe technologies (COBOL, JCL), basic Java knowledge
Work EnvironmentJava development teams, enterprise application projectsMainframe operation teams, legacy system maintenance
Industry UsageFinancial services, insurance, bankingBanking, government agencies, large enterprises

The main difference between an Intern Java Mainframe Developer and an Intern Mainframe Developer lies in their technical focus. The Java Mainframe role emphasizes Java programming combined with basic mainframe skills, often working on modernizing legacy systems. In contrast, the Mainframe Developer role centers on mainframe-specific technologies like COBOL and JCL, with less emphasis on Java. Both roles are common in large enterprises and serve different aspects of legacy system management and modernization projects.

What cities in Ontario are hiring for Intern Java Mainframe Developer jobs? Cities in Ontario with the most Intern Java Mainframe Developer job openings:
Intern Java Mainframe Developer jobs near you
Network Design Intern (Fall 2026, 4 months)

Network Design Intern (Fall 2026, 4 months)

Hitachi

Toronto, ON • Hybrid

Full-time

PTO

Posted 14 days ago

Job description

Location:

Toronto, Ontario, Canada

Job ID:

R1012963

Date Posted:

2026-07-07

Company Name:

Hitachi Rail Canada Inc.

Profession (Job Category):

Engineering & Science

Job Schedule:

Full time

Remote:

No

About Us

A career at Hitachi Rail will help create a legacy. With operations in every corner of the world, our work goes to the cutting-edge of digital transformation and technology. From the multi-cultural strength of our global organisation to the sustainable and innovative ways we work to bring people together, there's something for everyone to get stuck into. And that's where you come in.

Job Description:

Job Title:Network Design Intern

Rail Pass Type:Internship/Co-op(Full-time/Hybrid)

Departure and Arrival Date (Start -End):September 2026 - December 2026 (4 months)

Vacancy: 1

Location:100 Consilium Place, Scarborough, ON M1H 3E3

Work hours/week:40

Pay Details:$23-$30CADhourly

Stations on Your Journey:

Welcome and Onboarding Station

  • Intern Orientation

  • Online Onboarding Curriculum

  • Buddy Program for mentorship and guidance

Hands-OnWork Station

  • Real-world projects with top industry talent

  • Paid internship + paid vacation

  • Hybrid work model

  • A chance to build your career with a global leader driving digital transformationand innovationthat helps support sustainable future

Networking Station

  • "Ask Me Anything" with the Executive Committee

  • Employee Resource Groups (ERGs)

  • SocialIntern Events: Coffee Breaks, Onsite/Offsite events

  • Business Intern Events: InternShowcase & Graduationceremony

  • Company Social Events:Holiday Party,Employee BBQs, Golf tournament, etc.

About This Opportunity

To have network design intern to get help on multiple project activities, also to work on some specific initiatives such as script development, KPI update, automation of certain tasks/processes). This also provides opportunity to have a trained intern for future role with the department

Required Skills and Experience

  • Converts Customer (internal and/or external) requirements into conceptual designs and prepares associated documentation by performing operational analyses, simulations and technical trade-off studies evaluating alternative design configurations and functional features.

  • Similarly, creates new concepts or modifies existing concepts to fulfil customer requirements.

  • Creates and documents detailed network designs implementing the requirements.

  • Deploys the solutions in the lab and supporting testing activities.

  • Participates in technical reviews of component designs, install an designs, vendor selection and qualification, and other related areas.

  • Provides support for issues in the field.

  • Prepares and supports bids and proposals, including customer requirements compliance assessment, gap analysis, architecture design, simulation, trade-off of key features, estimation, etc.

  • Presents technical design and reports to customers and/or other engineering/management groups in clear, complete, concise and non-ambiguous terms.

  • Interfaces and builds working relationships with Software, Hardware and testing groups to ensure timely analysis and resolution of in-house and field test issues.

  • Must be able to accurately reports work progress & estimates to complete the assigned work.

Required Skills and Experience

  • Candidate should be working towards a System, Electrical/Computer Engineering, or Computer Science degree or similar Bachelor's degree / Master's

  • Knowledge of network principles and technologies:

a. Ethernet/IP-based networking (switching/routing protocols);
b. Redundancy and high-availability technologies;
c. Network/IT services;
d. MPLS and VPN technologies;
e. RF networking (802.11, LTE);

  • Knowledge/Experience in Programming/Scripting (Python, C, C++, Java script, Pearl, Shell script)

  • Fluent in English - both written and oral communication skills

  • Able to work full time (40 hours) for the agreed work term with a minimum of 2 days (16 hours) in the Toronto office

Preferred Skills and Experience

Rail signalling, CBTC, and knowledge of specification-driven network (as it applies to computer systems with both hardware & software operation) are assets

Ready to Begin Your Journey?

Tap yourticket and apply today.

Line Status: Open until filled

This posting relates to an existing vacancy.

Our hiring process uses both human and technologyassisted (AI) tools to support candidate screening and assessment. All results are reviewed by people, and all hiring decisions are made by people.

Thank you for your interest in Hitachi Rail. If your application is of interest, we will be in contact. Please do not hesitate to discover more about us and our latest jobs at https://www.hitachirail.com/careers.

At Hitachi Rail, there is a place for everyone. We welcome and value differences in background, age, gender, sexuality, family status, disability, race, nationality, ethnicity, religion, and world view. It is our commitment to create an inclusive environment - we are proud to be an equal opportunity employer.

We would be delighted if you would be one of our followers at https://www.linkedin.com/company/hitachirail

Hitachi Vantara logo

About Hitachi Vantara

Sourced by ZipRecruiter

Hitachi Rail is a fully integrated, global provider of rail solutions across rolling stock, signaling, service & maintenance, digital technology and turnkey. With a presence in 38 countries across three continents and over 13,000 employees, our mission is to contribute to society through the continuous development of superior rail transport solutions.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Santa Clara, CA, US

Year founded

2017

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