Mainframe Programmer

LanceSoft, Inc.; Canada; On-site; CAD 80,000 - 120,000; Part time

Job summary

A leading IT service provider in Canada is seeking a Mid-Senior level IT professional to design and maintain their z-platform computing infrastructure. The role involves ensuring high availability, performance, and scalability to meet evolving business needs. Candidates should have over 10 years of experience, hands-on expertise in z/OS internals, and proven troubleshooting skills. This contract position offers an opportunity to work in a collaborative team environment.

Qualifications

• Responsible for designing and maintaining the z-platform computing infrastructure.
• Ensures high availability, performance, and scalability.
• Requires hands-on expertise and troubleshooting skills.

Skills

10 years of relevant experience

z/OS internals expertise

Catalog management

Troubleshooting skills

Proficiency in USS/OMVS

Experience with z/OS and ISV software

Advanced testing capabilities

Understanding of HCD

Programming in REXX

Availability for weekend support

Familiarity with zOSMF, REST APIs, Kafka, Ansible, Python

Assembler skills

Job description

Overview

Responsible for designing and maintaining the operating environment that powers the Firm’s z-platform computing infrastructure. This role ensures high availability, performance, and scalability to meet evolving business needs.

Key Skills

• Minimum of 10 years of relevant experience
• Hands‑on expertise in z/OS internals
• Strong knowledge and hands‑on experience with catalog management
• Proven troubleshooting skills, especially in high‑pressure production outage scenarios
• Proficiency in USS/OMVS
• Experience with z/OS and ISV software installations
• Advanced testing capabilities (designing tests for functionality, robustness, and performance)
• Solid understanding of HCD and hardware configuration
• Programming experience in REXX
• Availability for weekend support and on‑call rotation
• Familiarity with modern z/OS technologies such as zOSMF, REST APIs, Kafka, Ansible, Python (preferred)
• Assembler skills for usermod maintenance and dump analysis (desirable but not mandatory)

Key Attributes

• Self‑motivated and collaborative team player
• Strong analytical and investigative mindset with creative problem‑solving abilities
• Excellent verbal and written communication skills in English

Seniority level

Mid‑Senior level

Employment type

Contract

Job function

Information Technology

Industries

IT Services and IT Consulting