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GBIT (Global Bridge InfoTech Inc) · 20 hours ago

Mainframe Infrastructure Engineer

Dallas, TX

Contract

Hybrid

Mid, Senior Level

GBIT (Global Bridge InfoTech Inc) is seeking a Mainframe Infrastructure Engineer with strong experience in managing, supporting, and optimizing enterprise-level mainframe environments. The ideal candidate will focus on z/OS system-level engineering, platform stability, and infrastructure management, ensuring high availability and performance of the mainframe systems.

Cyber SecurityConsultingBig DataSoftwareInformation TechnologyAnalytics

Growth Opportunities

H1B Sponsor Likely

Hiring Manager

Kamal S

Responsibilities

Administer and support IBM z/OS mainframe infrastructure

Perform system upgrades, patching, and maintenance

Manage LPARs, Sysplex, JES2/JES3 environments

Install, configure, and support IBM mainframe products

Monitor system performance and capacity planning

Handle disaster recovery (DR) and backup processes

Manage storage, DASD, tape systems

Work on RACF security administration

Troubleshoot system-level issues and ensure high availability

Coordinate with network, storage, and enterprise infrastructure teams

Provide production support and root cause analysis

Qualification

Z/OS system programmingSMP/ERACFJES2/JES3DFSMSTCP/IP on MainframeRMF/SMFIBM utilitiesToolsGDPSSysplex configurationMainframe automation toolsDisaster Recovery implementationPerformance tuningCapacity planningMainframe storage management

Required

Strong experience in z/OS system programming

Expertise in SMP/E

Expertise in JES2 / JES3

Expertise in RACF

Expertise in DFSMS

Expertise in TCP/IP on Mainframe

Expertise in RMF / SMF

Experience with IBM utilities and tools

Experience with GDPS (good to have)

Experience with Sysplex configuration

Experience with Mainframe automation tools

Knowledge of Disaster Recovery implementation

Knowledge of Performance tuning

Knowledge of Capacity planning

Knowledge of Mainframe storage management

Company

GBIT (Global Bridge InfoTech Inc)

Global Bridge InfoTech (GBIT) stands as a leader in NXT-GEN IT solutions, offering unmatched expertise in IT consulting, system integration, and Remote Infrastructure Managed Services (RIMS) across industries.

Founded in 2006

Irving, Texas, USA

201-500 employees

https://www.gbitinc.com/

H1B Sponsorship

GBIT (Global Bridge InfoTech Inc) has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (20)

2024 (28)

2023 (20)

2022 (30)

2021 (21)

2020 (33)

Funding

Current Stage

Growth Stage

Leadership Team

Hari N.

President & CEO

Vishnu Sethuraman

Chief Operating Officer

Recent News

Tech Times

Bala Kolluri: Driving Innovation in Site Reliability Engineering

2025-10-14

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