Mainframe Network Software (Canada)

DXC Technology Company; Canada; Remote; CAD 62,000 - 112,000; Full time

Benefits offered by this job

DXC benefits

Flexible work options

Job summary

DXC Technology Canada is seeking a highly skilled mainframe network professional to support z/OS environments and IBM NetView infrastructure.

You will manage VTAM, TCP/IP, and enterprise connectivity, participate in ITIL processes, and assist in DR exercises and z/OS upgrades. This role requires on-call rotation and strong collaboration with client teams in a controlled goods environment.

Qualifications

• Experience supporting IBM z/OS mainframe environments.
• 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.

Responsibilities

• Maintain and administer mainframe logical network resources in z/OS environments.
• Perform weekly NMS database updates and NETMENU maintenance.
• Configure VTAM APPLIDs and PU/LU for connectivity requirements.
• Implement and maintain OSA interfaces and Enterprise Extender connectivity.
• Troubleshoot VTAM, TCP/IP, and mainframe connectivity issues.
• Participate in disaster recovery exercises and z/OS upgrade activities.
• Perform SMP/E installations, upgrades, and maintenance.
• Develop REXX routines to automate network management tasks.
• Support ITIL processes and change management workflows.
• Provide 24/7 on-call support for critical incidents.

Skills

ITIL processes

24/7 on-call support

Disaster recovery

Mainframe troubleshooting

Tools

VTAM

TCP/IP

IBM NetView

JCL

SMP/E

REXX

Enterprise Extender

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.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 ManagementMaintain 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 ConfigurationImplement, 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 ProcessingPerform 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 SupportParticipate 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 AdministrationPerform 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 ToolsInstall, 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 ManagementManage 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 RemediationParticipate 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 SupportParticipate 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 SkillsExperience 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 QualificationsExperience 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 EnvironmentRemote to CanadaMust 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.