Mainframe Application Support Engineer
Temporary
Lorven technologies
Role Name: Mainframe Application Support Engineer
Location: Toronto 4 days a week on site F2F interview might be required
We are seeking an experienced Mainframe Application Support Engineer to provide production support, incident management, and application maintenance for critical mainframe-based business applications.
The ideal candidate will have strong expertise in IBM Mainframe technologies involving IBM z/OS, COBOL, JCL, DB2, VSAM and CICS, troubleshooting production issues, ensuring application stability, and driving continuous service improvements.
The role requires close collaboration with development, infrastructure, business, and operations teams to support mission-critical applications while maintaining agreed service levels.
Key Responsibilities
Production Support & Incident Management
- Provide L2/L3 support for mainframe applications in production environments.
- Investigate, analyze, and resolve production incidents within SLA timelines.
- Perform root cause analysis (RCA) and implement preventive measures.
- Support critical business events, release deployments, and production changes.
Application Maintenance
- Analyze application failures and identify corrective actions.
- Coordinate with development teams for defect fixes and enhancements.
- Validate fixes and support deployment activities.
- Ensure application availability, reliability, and performance.
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Mainframe Application Support Engineer in Ontario, CA vacancy
- ...Job Description Job Description Applications Engineer — Polarization Location: Chino, CA | Status: Full-Time Compensation is commensurate... ...with the existing team. This position sits within the Support & Application Engineering organization (OCT BU), complementing...SuggestedFull timeFor contractorsWorldwide
Luna Innovations
Chino, CA5 days ago - ...Description MAURY MICROWAVE JOB DESCRIPTION Job Title: Applications Engineer FLSA Status: Salaried Exempt Department: Engineering... ...and debug instrument drivers, and provide expert technical support. The Applications Engineer remains current on industry trends...SuggestedWork experience placementLocal area
Maury Microwave Corporation
Ontario, CA6 days ago - ...CNC Lathe Application Engineer Cubic Machinery, a machine tool builder and robotics integrator, has been in business for over 30 years. We proudly serve top-tier aerospace and precision manufacturing companies in the US, Canada & Mexico. Our engineering-driven approach...Suggested
Cubic Machinery
Chino, CA2 days ago $108.08k - $112k
...various unanticipated locations throughout the U.S. to develop back-end application code for Java/J2EE web applications. Develop front-end code (HTML, CSS, JavaScript, JSP, Angular, etc.) to support our client-facing application. Support development efforts for multiple...SuggestedFull timeRemote workGrabJobs
Pomona, CA1 day ago$115k - $155k
...modifies, develops, deploys, and implements software programming applications.Supports and/or installs client applications, web applications,... ...technology field. Performs significant software engineering tasks, including but not limited to: building and deploying...SuggestedWork experience placementWork at officeShift workWeekend workPomona Valley Hospital Medical Center
Pomona, CA2 days ago$86.4k - $129.6k
The Logistics Process Quality Engineer is a high-impact role focused on protecting customers... ...Every individual needs to feel valued, supported, and treated fairly to do their best... ...this job posting is not compliant with applicable state pay transparency laws in the U.S.,...Full timeTemporary workImmediate startFlexible hoursShift work- ...Conduct architecture checkpoints and support solution design walkthroughs. Create... ...platform environments (web, desktop, mobile, mainframe, etc.). ~ Expertise in multi-tier... ...Struts Framework. ~ Proficiency with application servers and operating systems including...MainframeContract workWork at officeMonday to Friday
vTech Solution
Ontario, CA1 day ago - ...Skills Required: COBOL, CICS, JCL, DB2, IMS DB/DC, XML, Host/Mainframe, Mainframe, Mainframe application design, SAS, SAS apps, VSAM, Automation Testing on Mainframe, TSO, Tibco Designing and developing mainframe systems Programming and coding Testing...Mainframe
J M Group Inc
Ontario, CA1 day ago $101.49k - $163.39k
...line with organization’s financial guidelines. You will also support knowledge transfer with the objective of providing value-adding... ...trainer Hypercare - Resolving production issues Enhancements & Application support SAP FSM Certification Experience on implementation...Full timeTemporary work- ...* Job Summary VSolvit is seeking an Entry-Level Systems Engineer to support the Naval Surface Warfare Center (NSWC) Corona Division in... ...warehousing, engineering services, and custom database and application development. VSolvit is an award winning WOSB, CA CDB, MBE,...Temporary workInternshipWork at officeFlexible hours
VSolvit
Norco, CA19 days ago - ...Sr Mainframe Developer Contract | Hybrid, Toronto ON | 40 hrs/week | Start: September 25... ...comfortable owning design through to production support. What you will be doing Design, develop and enhance mainframe applications using COBOL, CICS, JCL and DB2 Work...MainframeContract work
Agility IT
Ontario, CA1 day ago - ...Application Specialist Company: GWS Tool Group Location: Southern California Travel: Travel Required Job Summary: We are... ...and numbers for future sales. With the help of inside sales support, provide product quotes to customers as needed. Ensuring follow...
- ...Outsource Delinquency Processor III responsible for researching delinquencies, supporting supervisor-led training, and ensuring compliance with lender SLAs. The role requires proficiency with mainframe systems, effective multi‑tasking, and clear communication with mortgage...Mainframe
- ...test, and maintain high-quality Android applications. The ideal candidate will have hands-on... ...managers, UI/UX designers, backend engineers, and QA teams to deliver reliable and user... ...scalability, and usability requirements. Support application releases through Google...
J M Group Inc
Ontario, CA1 day ago - ...solutions. ~ Proficiency in API integrations, web services, and enterprise application connectivity. ~ Experience working with SharePoint, Microsoft 365, Azure, Dynamics 365 , and legacy/mainframe systems. ~ Strong understanding of solution architecture,...MainframeFull time3 days per week
Key2Source
Ontario, CA1 day ago - ...operating in motion The Role As a React Native Engineer at OnePay, you'll craft simple and... ...and improve existing ones to directly support our customers’ financial journeys Employ... ...scalable, user-focused features for mobile applications Strong understanding of mobile...Remote workFlexible hours
GrabJobs
Pomona, CA3 days ago $110k - $140k
...Job Description Job Summary We are seeking a Lead Process Engineer for a direct hire opportunity in Temecula, CA, supporting high-precision manufacturing for aerospace, defense, and commercial applications. This role is ideal for an engineering professional with a...Temporary workAllSTEM Connections
Ontario, CA15 days ago- ...Job Description Job Description Position Overview : We are seeking a highly skilled and motivated Design Engineer to lead our design team in the development of plans and specifications for our water capital improvement projects. The Design Engineer will play a...
Essel
Pomona, CA14 days ago $71k - $82k
...world-class professionals that includes engineers, scientists, technicians, and industry... ...you will evaluate product certification applications, review technical documentation, and... ...engineering drawings, calculations, and supporting documentation to verify compliance with...International Association of Plumbing &
Ontario, CA14 days ago- ...RPG Developer IBM i (AS/400) Application Support & Maintenance Position Title RPG Developer (IBM i / AS400) - Application Support... ...current live environment. Note: This is not a reverse engineering, modernization, or transformation role, and this position...Permanent employmentFull timeContract workWork experience placementRemote workFlexible hours
Programmers.io
Ontario, CA1 day ago - Envista in Pomona, CA is seeking a Design Assurance Engineer II to support design controls, risk management, quality and regulatory requirements throughout product development and manufacturing. You will own deliverables such as design changes, traceability, and V&V, while...
$72k - $122.4k
...AmericaEngineeringJob descriptionPosition Summary: The Design Assurance Engineer II supports the development, manufacturing, and lifecycle management of... ...reasonable estimate has not been adjusted for the applicable geographic differential associated with the location at...Contract workWork experience placement$40 - $55 per hour
Location: Upland, CA Job Type: Full-Time Department: Engineering / Operations Job Title AV Design Engineer Job Summary We are seeking a highly technical and experienced AV Design Engineer to architect comprehensive audio‑visual systems from the ground up. In this role...Full time- ...Clean Energy RevolutionBecome a Substation Engineer 3 at Southern California Edison (SCE)... ...to 500kV), resolve technical issues, and support design standards to improve consistency... ...information, hiring process, and more!Qualified applications with arrest or conviction records will...Full timeContract workRemote work
$151.7k - $185.4k
...Summary: The Sr. Manager, Design Assurance Engineering is a strategic leader responsible for... ...1, FDA 21 CFR 820/QMSR, MDSAP, EU MDR).Support internal and external audits and... ...estimate has not been adjusted for the applicable geographic differential associated with...Full timeContract workWorldwide$18 - $50 per hour
...graduation and completion of the program Position Overview: As a Thermo-Mechanical Product Engineering Intern , you will support the development and application of Simcenter Simlab(Formerly known as Altair Simlab) by evaluating existing workflows and helping build...Remote jobHourly payFull timeInternshipWork at officeLocal areaSiemens
Pomona, CA17 hours ago- ...Architecture checkpoints activities and support Solutions design walkthrough Complete... ...environments (web, desktop, mobile, mainframe, micro/mini systems, etc.) and multi-... ...deployment tools (e.g. source codes and application packages management). ~ Thorough knowledge...MainframeContract workWork at officeMonday to Friday
Cleo Consulting
Ontario, CA1 day ago - ...of credit facilities; provides back-up support. 8. Checks pledged assets as requested by... ...additional business. 13. Reinforces the application of superior customer service through his... ...terminal and personal computer operation; mainframe computer system; and word processing and...MainframeFor contractorsBank staffWork at office
Chino Commercial Bank
Chino, CA3 days ago - ...development, implementation and ongoing support. General Skills Knowledge... ...design, implementation and maintenance of applications Knowledge and experience in the... ...Licensing and Control System (LCS) & Legacy Mainframe Systems Experience with Payment...Mainframe
Innosystech Inc
Ontario, CA1 day ago - Job Description Job Description Maintenance Technician Job Description: We are looking for a highly talented Maintenance Technician to join our team. We’re seeking a hardworking professional who likes meeting challenges and surpassing client expectations. As...Apprenticeship
Hasa
Pomona, CA23 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mainframe Application Support Engineer. Be the first to apply!
Related searches
- senior mainframe developer Ontario, CA
- cash app Ontario, CA
- now accepting applications Ontario, CA
- cash application clerk Ontario, CA
- cash application representative Ontario, CA
- application security lead Ontario, CA
- oracle apps technical consultant Ontario, CA
- director of enterprise application services Ontario, CA
- application development Ontario, CA
- app delivery Ontario, CA