z/OS Services

BCL helps organizations get the most from their z/OS operating environment. z/OS is the core operating system for IBM System z enterprise servers. It supports mission‑critical workloads with strong security, reliability, and scale. Our z/OS services cover installation, upgrades, tuning, migration, and capacity planning to boost performance and lower operational risk.

About z/OS Systems

z/OS is a secure and scalable operating system built for enterprise needs. It supports networking, batch processing, object‑oriented technologies, parallel processing, and key mainframe subsystems. The platform delivers consistent uptime and strong system security, making it suitable for mission‑critical computing where reliability matters most.

BCL’s z/OS services help your organization plan and execute changes with confidence. We take a practical approach that aligns with your business goals and improves productivity.

Our z/OS Services

We support your z/OS environment at each stage of its lifecycle:

Installation and Configuration

Set up z/OS for your initial deployment

Upgrade and Migration Planning

Prepare for new versions with minimal disruption

Performance Tuning

Improve system responsiveness under heavy workloads

Capacity planning

Forecast demand and plan resources effectively

Infrastructure design

Align system architecture with business needs

Who We Help

z/OS drives some of the most important processes in your business. It supports high‑volume transactions, secure data access, and large‑scale batch jobs. Problems with configuration, capacity, or performance can affect service delivery and operational stability.

BCL helps you avoid those risks by applying tested processes and proven expertise to your z/OS environment. We focus on keeping your system running smoothly so your teams can work without interruption.

Our z/OS services benefit organizations that rely on mainframes for critical applications. This includes:

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Client Stories

Chief Information Officer, State Government Agency

“BCL helped us modernize our legacy systems without disrupting critical citizen services. Their team’s responsiveness and deep understanding of the public sector’s compliance landscape made them an invaluable partner. We’ve gained scalability, security, and budget efficiency — all without compromising service delivery.”

Director of IT Operations, Federal Defense Contractor

“Our mission-critical operations demand zero downtime and uncompromised security. BCL delivered exactly that. Their mainframe-as-a-service platform met all our strict security standards, while offering the agility we need to evolve. Their team feels like an extension of our own.”

VP of Technology, Regional Insurance Carrier

“Our core systems are built on decades of mainframe investment, and we needed a partner who could modernize without breaking what works. BCL delivered a seamless migration and now manages our infrastructure with the uptime and compliance we demand. We’ve saved costs and gained peace of mind.”

CTO, Private University

“BCL helped us move off aging hardware and into a cloud-based environment that better supports our student services and administrative needs. Their support team is incredibly responsive, and we’ve dramatically reduced our IT overhead while improving system performance.”

CIO, University Hospital

“We needed to secure patient data, modernize our clinical and claims systems, and ensure HIPAA compliance — all within tight timelines. BCL delivered a fully managed mainframe solution that exceeded expectations. Their technical depth and healthcare expertise made them the ideal partner.”

Head of IT, Global Logistics Firm

“Our supply chain systems depend on reliability and performance. BCL transitioned us from a legacy on-prem setup to a managed mainframe environment with zero disruption. We’re now more agile, with better visibility and uptime — and none of the hardware headaches.”