Mainframe Network Software (Canada)

MainframeMaster; Canada; Remote; CAD 86,000 - 156,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid holidays

Retirement savings plan

Flexible work arrangements

Job summary

DXC Technology in Canada is seeking a Mainframe Network Specialist to maintain and administer mainframe logical network resources within IBM z/OS environments and ensure secure, reliable connectivity.

You will perform weekly NETMENU updates, configure VTAM and APPLID/PU/LU settings, support enterprise extenders, and participate in disaster recovery exercises and z/OS upgrades. This is a full-time role with on-call duties in a Canadian environment.

Qualifications

• Experience with IBM z/OS mainframe environments and enterprise network infrastructure.
• Hands-on knowledge of VTAM, TCP/IP, IBM NetView, and mainframe network management.
• Familiarity with JCL, IBM utilities, and batch jobs.
• Experience implementing OSA interfaces and Enterprise Extender connectivity.
• ITIL-based incident, problem, change, and asset management experience.

Responsibilities

• Maintain and administer mainframe logical network resources in IBM z/OS.
• Perform weekly NETMENU updates and load library maintenance.
• Configure VTAM APPLID/PU/LU and manage TCP/IP connectivity.
• Install SMP/E and manage IBM/third-party mainframe products.
• Provide 24/7 on-call support and participate in DR exercises.

Skills

IBM z/OS mainframe

VTAM

TCP/IP

IBM NetView

JCL

SMP/E

REXX scripting

ITIL processes

Network management

Batch jobs

Tools

JCL Utilities

SMP/E

REXX

NetView automation

z/OS tooling

Job description

# Mainframe Network Software (Canada)DXC TechnologyFull-timeCAN - ON - ANY CITYUSD 61,600 - 111,6000 viewsPosted September 23, 2026## Job DescriptionJob 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.Must be legally authorized to work in Canada without requiring sponsorship now or in the futureNote: Must be legally authorized to work in Canada. The client is in a controlled goods program environment and must comply with the Controlled Goods Program (CGP), which mandates that all applicants hold Canadian Citizenship or Permanent Residency status in Canada.Key Responsibilities1. **Mainframe** Network Resource Management• Maintain and administer **mainframe** logical network resources within IBM z/OS environments.• Perform weekly Network Management System (NMS) database updates for CDRSC/JES2 corporate table distributions.• Perform weekly NETMENU maintenance, including additions, deletions, changes, and updates to load libraries.• Maintain and update VTAM network definitions, configurations, and connectivity tables.• Process NetView user ID requests, including additions, deletions, and modifications.• Manage TCP/IP port reservations, including additions, deletions, and changes.• Perform VTAM APPLID and PU/LU updates to support application and network connectivity requirements.2. Network Connectivity and Configuration• Implement, configure, customize, and maintain new OSA (Open Systems Adapter) interfaces and network connectivity.• Implement and configure Enterprise Extender connectivity for **mainframe** network communication.• Configure and maintain secure Telnet and FTP connectivity.• Implement and customize Policy Agent, AT-TLS (Application Transparent Transport Layer Security), and TLS 1.2 connectivity.• Troubleshoot and resolve network configuration issues related to VTAM, TCP/IP, and **mainframe** connectivity.• Ensure network configurations comply with operational and security requirements.3. NETMENU and Batch Processing• Perform scheduled weekly NETMENU updates, including additions, deletions, and changes.• Apply and update load libraries to incorporate network configuration changes, fixes, and maintenance updates.• Utilize IBM utilities, **JCL** (Job Control Language), batch jobs, and procedures to execute network maintenance activities.• Perform weekly CMCMAINT and batch job processing.• Review and correct batch jobs and processes supporting **mainframe** software maintenance and VTAM table distribution across SMCs.• Support troubleshooting and implementation of changes to ensure successful processing and distribution.4. Disaster Recovery and **Mainframe** Upgrade Support• Participate in client disaster recovery exercises to validate **mainframe** network readiness and recovery procedures.• Provide network support during z/OS upgrades and system maintenance activities.• Support CPU hardware refresh initiatives, including network configuration validation and connectivity testing.• Perform FIXLIB updates and corrections required for **mainframe** software support.• Assist in identifying and resolving issues affecting network operations during upgrades and hardware refreshes.5. SMP/E Software Installation and Administration• Perform Software Management Program/Extended (SMP/E) installations, upgrades, maintenance, and configuration of IBM and third-party **mainframe** products.• Administer program products, including additions, modifications, and deletions.• Install, upgrade, and maintain software products using SMP/E.• Support software packaging, maintenance implementation, and configuration activities.• Troubleshoot software installation and maintenance issues within the **mainframe** environment.6. IBM NetView and Network Management Tools• Install, upgrade, maintain, and configure IBM NetView.• Develop and maintain **REXX** routines to automate network management and operational tasks.• Configure and support automated alerts for network events and operational monitoring.• Administer NetView Security Interface (NETSSI) for command processing authority.• Support network automation and administration using NWA1500 – Network Automation & Toolbox.• Maintain and support **mainframe** network session management and access tools, including: CA NetSpy Session Managers.TPX and CL/Supersession.NetView Access MVS (NVAS) .NET-PASS (NET/PROC).NC-Access MVS and NC-NIM MVS.NCI/XF.VTAM/Switch/MVS.Intersession Menu.NetView Access V2 MVS (NWA1500).7. Incident, Problem, and Change Management• Manage and resolve incidents, problems, and change requests in accordance with ITIL processes.• Participate in software asset management activities and product lifecycle administration.• Investigate and troubleshoot **mainframe** network incidents and connectivity issues.• Document technical changes, maintenance activities, and incident resolutions.• Collaborate with internal teams and clients to implement approved changes and maintain service availability.8. Audit, Compliance, and Vulnerability Remediation• Participate in client and internal audits related to **mainframe** network operations and security.• Support the identification, assessment, and remediation of audit findings and security vulnerabilities.• Implement corrective actions in accordance with security policies and compliance requirements.• Maintain appropriate technical documentation and evidence of remediation activities.9. 24/7 On-Call Support• Participate in a rotating 24/7 on-call support schedule.• Provide technical support for critical **mainframe** network incidents and connectivity issues.• Troubleshoot and resolve production-related issues within established service-level agreements (SLAs).• Coordinate with technical teams and stakeholders during critical incidents and planned maintenance activities.Required Qualifications and Technical Skills• Experience supporting IBM z/OS **mainframe** environments and enterprise network infrastructure.• Hands-on experience with VTAM, TCP/IP, IBM NetView, and **mainframe** network management.• Knowledge of CDRSC, JES2, APPLIDs, PU/LU definitions, and **mainframe** logical network resources.• Experience with **JCL**, IBM utilities, batch jobs, procedures, and load library maintenance.• Experience implementing and maintaining OSA interfaces and Enterprise Extender connectivity.• Knowledge of secure Telnet, FTP, Policy Agent, AT-TLS, and TLS 1.2.• Experience with SMP/E software installation, upgrades, configuration, and maintenance.• Familiarity with **REXX** scripting and NetView automation.• Understanding of ITIL processes, including Incident, Problem, Change, and Software Asset Management.• Experience supporting disaster recovery exercises, z/OS upgrades, and hardware refresh initiatives.• Ability to participate in rotating 24/7 on-call support.Preferred Qualifications• Experience supporting enterprise or client-facing **mainframe** infrastructure.• Knowledge of NetView security administration and command processing authorization.• Experience with **mainframe** session managers and network access tools.• Experience supporting audit findings and vulnerability remediation.• Strong troubleshooting, analytical, documentation, and communication skills.• Ability to work independently while collaborating with cross-functional technical teams.Work Environment• Remote to Canada• Must be legally authorized to work in Canada without requiring sponsorship now or in the futureNote: Must be legally authorized to work in Canada. The client is in a controlled goods program environment and must comply with the Controlled Goods Program (CGP), which mandates that all applicants hold Canadian Citizenship or Permanent Residency status in Canada.Compensation at DXC is influenced by an array of factors, including but not limited to the experience, job-related knowledge, skills, competencies, as well as contract-specific affordability and organizational requirements. A reasonable estimate of the current compensation range for this position is $61,600 - $111,600.Full-time hires are eligible to participate in the DXC benefit program. DXC offers a comprehensive, flexible, and competitive benefits program which includes, but is not limited to, health, dental, and vision insurance coverage; employee wellness; life and disability insurance; a retirement savings plan, paid holidays, paid time off.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.