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Mainframe programmer Jobs in Ottawa, ON

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Mainframe programmer • ottawa on

Last updated: 21 hours ago

Mainframe WebSphere MQ & z/OS Systems Programmer

NexasphereOttawa, ON, Canada
RemoteRemote
Full-timeFull-time
Quick Apply

The Mainframe WebSphere MQ & z/OS Systems Programmer is responsible for supporting, maintaining, and upgrading enterprise‑scale mainframe environments across high‑availability, 24x7 operations.... Show more

CNC Machinist (Programmer)

Q-Block ComputingOttawa, Ontario, Canada
CA$60,000.00–CA$100,000.00 yearlyCA$60,000.00–CA$100,000.00 yearly
Full-timeFull-time

CAD per year (full-time basis).Q-Block Computing builds quantum systems that operate in the real world.The company develops quantum timing, quantum-secure communications, and quantum computing plat... Show more

Préposé maintenance, Temporaire

Alterra Mountain CoGatineau, Québec, Canada
Temporary, Full-timeTemporary, Full-time

Travailler à Station Mont Tremblant, c’est bien plus qu’un simple emploi ! C’est rejoindre une communauté passionnée et dynamique, bénéficier d’avantages exclusifs, et s&rsq... Show more

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Microsoft Software Developer Level 3

Randstad CanadaOttawa, Ontario, CA
TemporaryTemporary
Quick Apply

A federal nuclear regulatory agency is seeking a Senior Microsoft 365 Software Developer (Level 3) to drive the modernization of its legacy, monolithic systems.Operating within a digital transforma... Show more

Intermediate Software Developer

Work in OttawaOttawa, Ontario, Canada

Ottawa’s tech sector is growing, and so are the opportunities! If you’re exploring your next role in tech,.Led by Invest Ottawa, the city’s lead economic development agency, this initiative works a... Show more

Senior Software Developer

ADGA Group Consultants IncOttawa, Canada
Full-time, Part-timeFull-time, Part-time

ADGA is seeking experienced Senior Programmers / Software Developers to lead the design, development, implementation, and maintenance of complex software applications and systems.The successful can... Show more

Senior Generalist Game Programmer | Programmeur(-euse) Généraliste de Jeux Vidéo

Snowed In StudiosOttawa, ON, CA
CA$92,000.00 yearlyCA$92,000.00 yearly
RemoteRemote
Full-timeFull-time
Quick Apply

English version, French to follow].As part of Keywords Studios’ Game Development service line, we provide development support to some of the most important and exciting games being made today.You w... Show more

Delivery Consultant - Application Modernization, AWS Professional Services

Amazon Web Services Canada, Inc.Ottawa, Ontario, CAN
Full-timeFull-time

Amazon Web Services Professional Services team is seeking a skilled Delivery Consultant – Application Modernization, to join our team at Amazon Web Services (AWS).In this role, you'll work closely ... Show more

Analyste de réalisation central

TEHORAOttawa, ON, CA
Quick Apply

TEHORA est présentement à la recherche d’un(e).Analyste de réalisation central.La personne interviendra dans des environnements technologiques critiques et participera activement à la production et... Show more

Analyst - System I - Configuration & Deployment Specialist

Canadian Blood ServicesOttawa, ON, CA
Full-timeFull-time

Please note: this role requires on-site work Monday through Friday at 2540 Lancaster Road, Ottawa, Ontario.Position's anticipated start date:.Position's anticipated end date:.This external job post... Show more

Software Programmer

Bosch Building TechnologiesOttawa, ON, CA
CA$62,000.00–CA$80,000.00 yearlyCA$62,000.00–CA$80,000.00 yearly
Quick Apply

Bosh Building Technologies is seeking to hire a Software Programmer to work under the direction of our Custom Solutions Director.Your work will focus on the programming components associated with t... Show more

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Senior Specialist, Software Engineering (.Net)

CMHC - SCHLOttawa
Permanent, Full-timePermanent, Full-time

Language Skill Levels (Read/Write/Speak):.Our salaries generally range from $ 104180.The work you do and the work we do together matters.We come to work every day with a common purpose: to contribu... Show more

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Mainframe WebSphere MQ & z/OS Systems Programmer

Mainframe WebSphere MQ & z/OS Systems Programmer

NexasphereOttawa, ON, Canada
30+ days ago
Job type
  • Full-time
  • Remote
  • Quick Apply
Job description

Role Overview

The Mainframe WebSphere MQ & z/OS Systems Programmer is responsible for supporting, maintaining, and upgrading enterprise‑scale mainframe environments across high‑availability, 24x7 operations. This role ensures stability, security, and performance of WebSphere MQ on z/OS, while also contributing to broader mainframe systems programming activities including RACF security, automation, storage, monitoring, and subsystem upgrades. The ideal candidate brings deep hands‑on experience in complex, multi‑LPAR environments and has supported major financial institutions and large enterprise clients.

Key Responsibilities

  • WebSphere MQ Administration (z/OS)
    • Support, maintain, and troubleshoot WebSphere MQ on z/OS.
    • Plan and execute MQ upgrades (e.g., WMQ V7.0.1 V7.1.0).
    • Design and implement MQ health‑check tools (Rexx, CLIST).
    • Integrate MQ with automation tools such as CA‑OPS/MVS and SA z/OS.
    • Configure MQ security using RACF, ACF2, or Top Secret.
  • Mainframe Systems Programming (z/OS)
    • Install, customize, and upgrade z/OS and related subsystems.
    • Perform SMP/E maintenance, rebuild SMP environments, and manage toleration maintenance.
    • Configure and support CICS, IMS, VTAM, TCP/IP, and other core subsystems.
    • Manage DASD, tape systems, DFSMS, DFSMShsm, and storage utilities.
  • Security & Compliance
    • Review and enhance RACF/ACF2/TSS profiles.
    • Implement mainframe security frameworks for regulated industries (banking, insurance).
    • Conduct audits and produce security reports for compliance (OCC, regulatory bodies).
  • Automation & Monitoring
    • Implement and customize automation environments (SA z/OS, CA‑OPS/MVS).
    • Install and configure monitoring tools (OMEGAMON, TMON, MainView).
    • Develop automation exits and scripts to improve system reliability.
  • Programming & Tooling
    • Develop Rexx, Assembler, CLIST, PL/I, COBOL utilities for system automation and reporting.
    • Create JCL for backups, migrations, and maintenance tasks.
    • Build custom tools for performance tuning, forecasting, and operational reporting.
  • Client Support & Delivery
    • Work directly with enterprise clients (banking, telecom, insurance).
    • Provide technical leadership, knowledge transfer, and hands‑on demos.
    • Support multi‑national environments with high‑volume transaction workloads.