Senior Mainframe Infrastructure Engineer

Senior IBM Mainframe / zSeries Hardware Infrastructure Engineer

Job Title

Senior Mainframe Infrastructure Engineer

Overview / Summary

The Senior Mainframe Infrastructure Engineer is responsible for designing, operating, and maintaining enterprise server infrastructure, including specialty mainframe systems, high-performance computing systems, and hybrid and cloud environments. The role supports internal customer needs through infrastructure design, hardware configuration, virtualization, monitoring, capacity planning, maintenance, and cross-functional project coordination.

Key Responsibilities

• Design, operate, and maintain enterprise servers, including IBM mainframe systems, high-performance computing systems, and general-purpose hybrid and cloud systems.

• Research, design, implement, and maintain complex infrastructure solutions for internal customer needs, including specialty software, data warehouses, identity access management, event frameworks, containerization, and on-demand scaling.

• Design and configure secure virtualized environments consisting of virtual machines, virtual networks, and high-speed and distributed storage systems.

• Define and maintain zSeries hardware components using IBM Hardware Configuration Manager (HCM), Connectivity Mapping Tool (CMT), and Hardware Configuration Definition (HCD).

• Analyze and determine hardware configurations to distribute I/O across mainframes, storage systems, data centers, and network environments.

• Program Cisco FICON switches and mainframe IOGENs to support mainframe resources and environments.

• Design, install, and maintain mainframe cable infrastructure, including cabling hardware into fiber networks.

• Coordinate and plan hardware installations and de-installations, including assembling and managing installation and de-installation teams.

• Coordinate and plan hardware microcode upgrades.

• Monitor, track, and diagnose hardware failures across mainframe computer systems and peripheral devices.

• Provide prompt problem determination and implement corrective action in response to hardware failures.

• Schedule and supervise hardware maintenance activities.

• Supervise hardware suppliers during equipment installation.

• Provide weekend, evening, and on-call 24x7x365 support for hardware failures and configuration launches.

• Coordinate hardware activities with Network, Operations, Facilities, Storage, and Software teams.

• Monitor resources such as CPU, memory, storage, and network traffic to ensure effective utilization and identify potential cost concerns.

• Resolve infrastructure bottlenecks and plan for future capacity needs based on resource usage trends.

• Coordinate changes with storage and software teams when planning and implementing new hardware and configurations.

• Participate in facility planning and data center transition and consolidation efforts.

• Participate in Disaster Recovery planning and testing and serve as a technical liaison for equipment installations related to Disaster Recovery or consolidation.

• Lead cross-functional teams and drive results on mainframe hardware projects.

• Utilize existing tools or assist in engineering custom monitoring solutions to ensure systems are configured correctly, operate efficiently, and remain secure.

Required Qualifications

• 10+ years of IT experience.

• 8+ years of development experience.

• Practical experience in two coding languages or advanced practical experience in one coding language.

• Associate degree.

• Experience with IT operations.

• Hardware experience.

• Experience with network protocols and standards.

• Experience with network switches.

• Experience with local area networks (LANs).

• Network engineering experience.

• Configuration management experience.

• Computer hardware experience.

• Cisco experience.

• Mainframe systems experience.

• Experience with IBM mainframe/zSeries hardware environments.

• Experience with hardware configuration, installation, maintenance, and troubleshooting.

• Ability to provide weekend, evening, and on-call support.

• Ability to lead and coordinate cross-functional infrastructure and mainframe hardware activities.

What Makes HTC A Great Place To Build Your Future

HTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you’ll collaborate with experts, work alongside clients, and be part of high-performing teams driving success together. You’ll have long-term opportunities to grow your career and develop skills in the latest emerging technologies.

At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks.

Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected.

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