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Mainframe Operations Specialist – Senior-Level Role

ITDS Portugal

Oferta Full-time
Tecnologia Lisboa, PT €960 - €1 986/mês mercado Posted 3 hours ago
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02/06/2026
Há 3 hours ago

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Description

Empower Mainframe Excellence — Drive Operational Innovation in a Dynamic Environment!

Lisbon-based opportunity with hybrid work model (up to 2 days remote per week).

As a Mainframe Operations Specialist, you will be working for our client, a leading player in the IT services industry, focused on ensuring seamless mainframe operations and delivering vital support for mission-critical systems.

Join a forward-thinking team that values continuous improvement and technical mastery to shape the future of enterprise IT.

Your main responsibilities:

Manage and monitor Z/OS systems, performing incident analysis and troubleshooting to ensure optimal performance

Plan, execute, and supervise batch jobs via TWS and Control-M, ensuring timely and reliable processing

Respond to incidents such as abends and dependency anomalies, implementing recovery procedures swiftly

Coordinate resources including disk space, JES queues, catalogs, GDGs, and datasets to maintain smooth operations

Support ongoing process optimization, reducing batch run times, and participating in production releases and change management

Develop and maintain operational documentation, including procedures, instructions, and performance reports

Act as a technical integrator, supporting development and continuous improvement initiatives in a DevOps environment

Ensure operational compliance with industry standards, security policies, and best practices

You're ideal for this role if you have:

At least 4 years of experience in mainframe operations or a related environment

Strong knowledge of Z/OS system monitoring, JCL, ISPF, SDSF, TSO, CICS, DB2, IMS, and VSAM

Hands-on experience with TWS and Control-M for job scheduling and incident management

Familiarity with Windows/Linux terminal commands, shell scripting, and automation tools

Knowledge of file transfer procedures using CFT/Connect Express and incident management protocols

Proficiency with ITSM tools like ServiceNow

Relevant certifications or experience with Dynatrace and ITIL V4 are a plus

It is a strong plus if you have:

Experience with scripting and automation on Unix/Linux platforms

Knowledge of other monitoring or scripting tools relevant to mainframe environments

Language Required for the role:

Communicative proficiency in English (spoken and written).

Eligibility for the role:

Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested?

Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

https://itdsportugal.com/en/it-jobs/9174/?utm_source=itjobs

Weather on start day

Tuesday, 2 de June — Partly cloudy · Max 22° · Min 17° · Rain 0% (0mm) · Wind 23 km/h

Previsão para os dias seguintes

  • Wed, 3 Jun
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  • Thu, 4 Jun
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  • Fri, 5 Jun
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  • Sat, 6 Jun
    Partly cloudy
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Detalhes

Listing type
Job Offer
Schedule Type
Full-time
Category
Tecnologia
Status
—
Work Model
Hybrid
Location
Lisboa, PT
Start
02/06/2026
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Salário de Mercado

€960 - €1 986/mês