Mainframe z/OS System Administrator/Programmer

Location: CAN - ON - TORONTO

Time Type: Full time

Job Description

Job Description:

DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world’s most complex technology estates. Learn more on dxc.com.

Mainframe z/OS System Administrator/Programmer

We are seeking an experienced Mainframe z/OS System Administrator/Programmer to support enterprise z/OS environments, including system builds, software installation, upgrades, migrations, and disaster recovery activities.

Key Responsibilities

• Install and maintain z/OS (MVS) software using SMP/E
• Perform software packaging, zaps, PTFs, HIPERs, and product upgrades
• Support Maintenance IPLs, system refreshes, migrations, and CPU swaps
• Execute LPAR builds, decommissions, and zLinux LPAR creation
• Perform Disaster Recovery drills and system recovery activities
• Maintain Coupling Facility / Sysplex, IOGENs, and I/O configurations
• Manage OMVS / USS / zFS, web server and HTTP activities
• Update and reassemble system exits
• Process SMF data and maintain system profiles
• Apply software license keys and maintain asset records
• Participate in audits, vulnerability remediation, and change management
• Provide 24x7 on‑call support as part of a rotation

Required Skills

• Strong experience with z/OS System Programming
• Expertise with SMP/E, software installation, and maintenance
• Experience with DR, IPLs, migrations, and hardware refreshes
• Knowledge of Sysplex, Coupling Facility, IOGENs
• Familiarity with OMVS / USS / zLinux
• ITIL processes: Incident, Problem, Change, Asset Management
• REXX, Assembler, and ISPF dialog scripting experience

Nice to Have

• zLinux SME experience
• Large enterprise or regulated environment background

DXC is an equal opportunity employer. We welcome the many dimensions of diversity. Accommodation of special needs for qualified candidates may be considered within the framework of the DXC Accommodation Policy.

In addition, DXC Technology is committed to working with and providing reasonable accommodation to qualified individuals with physical and mental disabilities. If you need assistance in filling out the employment application or require a reasonable accommodation while seeking employment, please e-mail AODA Canada Requests.

Note: This option is reserved for applicants needing a reasonable accommodation related to a disability.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here.