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Mainframe DB2/MQ System Administrator

DXC Technology

Mainframe DB2/MQ System Administrator

full-timePosted: Oct 1, 2025

Job Description

Categories: Mainframe Administration, Database Management, IT Operations, System Security

Job Description:

DXC Technology (NYSE: DXC) helps global companies run their mission critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world’s largest companies and public sector organizations trust DXC to deploy services across the Enterprise Technology Stack to drive new levels of performance, competitiveness, and customer experience. Learn more about how we deliver excellence for our customers and colleagues at DXC.com.

Job Description:

Essential Job Functions:
  • Maintain the DB2 subsystem procs and JCL
  • Execution of backups of DB2 system catalog and directory files with reorgs
  • Basic change management functions: ticketing, opening and closing changes, etc.
  • Performing Data Security audits (collecting evidence of compliance, correcting non-compliances fount in an audit)
  • Install, upgrade DB2 subsystems. 
  • Installation of new DB2 subsystems and related sub products Upgrades of existing DB2 subsystems and related sub products
  • Application of preventative/corrective maintenance PTF's and HIPER PTF's on test and production system software libraries
  • Enforcement of DB2 security and audit conformance Perform Disaster Recovery drill exercises
  • Understand basic parameters contained in DSNZPARM and their usage
  • Regular system tuning, and review of memory/resource consumption based on daily performance reporting and on-line monitoring
  • Interface with Change Support, and vendor software support as necessary to resolve system software problems or issues
  • Work with Automation to provide automation responding to system situations requiring intervention Tune and manage DB2 bufferpool settings
  • Develop complex DB2 configurations needed for SYSPLEX environments and DataSharing environments Lead complex projects including client driven projects and internal projects (upgrade projects, etc) deliverables (collectively, the “Deliverables”):

MQ Skills & responsibilities:

  • Maintain the MQSeries subsystem procs and JCL
  • Backup of MQSeries system components
  • Basic change management functions: ticketing, opening and closing changes, etc.
  • Performing Data Security audits (collecting evidence of compliance, correcting noncompliances fount in an audit)
  • Creation/installation of new MQSeries subsystems and related sub products
  • Upgrades of existing MQSeries subsystems and related sub products
  • Define and configure MQ Pageset, point the storage class to the Pageset, Turn over storage class name to the Account MQ Admin, allocate channels, define buffer pools, control security rules for processes
  • Application of preventative/corrective maintenance PTF's and HIPER PTF's on test and production system software libraries
  • Enforcement of MQSeries security and audit conformance
  • Installation of Network connectivity on Mainframe side
  • Set up for Disaster recovery of pagesets, logs, bootstrap datasets and related MQSeries and sub product system software components
  • Perform Disaster Recovery drill exercises
  • Support of MQSeries Distributed Queue Management

Work Environment

This position combines remote work with in-office days at our Toronto location.

  • 24 x 7 on call support - rotation


 

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.

Locations

  • TORONTO, ON, Canada

Salary

Estimated Salary Rangemedium confidence

115,500 - 159,500 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • DB2 Subsystem Administrationadvanced
  • Mainframe JCL and Procs Managementintermediate
  • DB2 Backup, Reorg, and Recoveryadvanced
  • System Tuning and Bufferpool Managementadvanced
  • Data Security and Audit Complianceintermediate
  • Change Management and PTF Applicationintermediate
  • SYSPLEX and DataSharing Configurationadvanced

Required Qualifications

  • 3+ years in DB2 subsystem maintenance on mainframe (experience)
  • Experience with DB2 installations, upgrades, and PTF application (experience)
  • Knowledge of DSNZPARM parameters and performance tuning (experience)
  • IBM DB2 for z/OS certification (preferred) (certification)

Responsibilities

  • Maintain DB2 subsystem procs and JCL, execute backups of system catalog and directory files with reorgs
  • Perform basic change management functions including ticketing, opening and closing changes
  • Conduct data security audits, collect compliance evidence, and correct non-compliances
  • Install and upgrade DB2 subsystems and related sub-products, apply preventative/corrective PTFs and HIPER PTFs
  • Enforce DB2 security and audit conformance, perform disaster recovery drill exercises
  • Tune systems regularly, review memory/resource consumption, manage bufferpool settings, and lead complex SYSPLEX/DataSharing projects

Benefits

  • Health: Comprehensive medical, dental, and vision insurance plans
  • Retirement: 401(k) matching contributions and retirement savings plans
  • Professional Development: Training programs, certifications, and career growth opportunities
  • Work-Life Balance: Flexible working hours, paid time off, and remote work options

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DXC_TechnologyMainframe AdministrationDatabase ManagementIT OperationsSystem Security

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DXC Technology logo

Mainframe DB2/MQ System Administrator

DXC Technology

Mainframe DB2/MQ System Administrator

full-timePosted: Oct 1, 2025

Job Description

Categories: Mainframe Administration, Database Management, IT Operations, System Security

Job Description:

DXC Technology (NYSE: DXC) helps global companies run their mission critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world’s largest companies and public sector organizations trust DXC to deploy services across the Enterprise Technology Stack to drive new levels of performance, competitiveness, and customer experience. Learn more about how we deliver excellence for our customers and colleagues at DXC.com.

Job Description:

Essential Job Functions:
  • Maintain the DB2 subsystem procs and JCL
  • Execution of backups of DB2 system catalog and directory files with reorgs
  • Basic change management functions: ticketing, opening and closing changes, etc.
  • Performing Data Security audits (collecting evidence of compliance, correcting non-compliances fount in an audit)
  • Install, upgrade DB2 subsystems. 
  • Installation of new DB2 subsystems and related sub products Upgrades of existing DB2 subsystems and related sub products
  • Application of preventative/corrective maintenance PTF's and HIPER PTF's on test and production system software libraries
  • Enforcement of DB2 security and audit conformance Perform Disaster Recovery drill exercises
  • Understand basic parameters contained in DSNZPARM and their usage
  • Regular system tuning, and review of memory/resource consumption based on daily performance reporting and on-line monitoring
  • Interface with Change Support, and vendor software support as necessary to resolve system software problems or issues
  • Work with Automation to provide automation responding to system situations requiring intervention Tune and manage DB2 bufferpool settings
  • Develop complex DB2 configurations needed for SYSPLEX environments and DataSharing environments Lead complex projects including client driven projects and internal projects (upgrade projects, etc) deliverables (collectively, the “Deliverables”):

MQ Skills & responsibilities:

  • Maintain the MQSeries subsystem procs and JCL
  • Backup of MQSeries system components
  • Basic change management functions: ticketing, opening and closing changes, etc.
  • Performing Data Security audits (collecting evidence of compliance, correcting noncompliances fount in an audit)
  • Creation/installation of new MQSeries subsystems and related sub products
  • Upgrades of existing MQSeries subsystems and related sub products
  • Define and configure MQ Pageset, point the storage class to the Pageset, Turn over storage class name to the Account MQ Admin, allocate channels, define buffer pools, control security rules for processes
  • Application of preventative/corrective maintenance PTF's and HIPER PTF's on test and production system software libraries
  • Enforcement of MQSeries security and audit conformance
  • Installation of Network connectivity on Mainframe side
  • Set up for Disaster recovery of pagesets, logs, bootstrap datasets and related MQSeries and sub product system software components
  • Perform Disaster Recovery drill exercises
  • Support of MQSeries Distributed Queue Management

Work Environment

This position combines remote work with in-office days at our Toronto location.

  • 24 x 7 on call support - rotation


 

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.

Locations

  • TORONTO, ON, Canada

Salary

Estimated Salary Rangemedium confidence

115,500 - 159,500 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • DB2 Subsystem Administrationadvanced
  • Mainframe JCL and Procs Managementintermediate
  • DB2 Backup, Reorg, and Recoveryadvanced
  • System Tuning and Bufferpool Managementadvanced
  • Data Security and Audit Complianceintermediate
  • Change Management and PTF Applicationintermediate
  • SYSPLEX and DataSharing Configurationadvanced

Required Qualifications

  • 3+ years in DB2 subsystem maintenance on mainframe (experience)
  • Experience with DB2 installations, upgrades, and PTF application (experience)
  • Knowledge of DSNZPARM parameters and performance tuning (experience)
  • IBM DB2 for z/OS certification (preferred) (certification)

Responsibilities

  • Maintain DB2 subsystem procs and JCL, execute backups of system catalog and directory files with reorgs
  • Perform basic change management functions including ticketing, opening and closing changes
  • Conduct data security audits, collect compliance evidence, and correct non-compliances
  • Install and upgrade DB2 subsystems and related sub-products, apply preventative/corrective PTFs and HIPER PTFs
  • Enforce DB2 security and audit conformance, perform disaster recovery drill exercises
  • Tune systems regularly, review memory/resource consumption, manage bufferpool settings, and lead complex SYSPLEX/DataSharing projects

Benefits

  • Health: Comprehensive medical, dental, and vision insurance plans
  • Retirement: 401(k) matching contributions and retirement savings plans
  • Professional Development: Training programs, certifications, and career growth opportunities
  • Work-Life Balance: Flexible working hours, paid time off, and remote work options

Target Your Resume for "Mainframe DB2/MQ System Administrator" , DXC Technology

Get personalized recommendations to optimize your resume specifically for Mainframe DB2/MQ System Administrator. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Mainframe DB2/MQ System Administrator" , DXC Technology

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

DXC_TechnologyMainframe AdministrationDatabase ManagementIT OperationsSystem Security

Answer 10 quick questions to check your fit for Mainframe DB2/MQ System Administrator @ DXC Technology.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.