Senior Mainframe Systems Programmer - Hardware

Ensono; Downers Grove (IL); Remote; USD 60,000 - 152,000; Full time

Benefits offered by this job

Health benefits

401k with company match

Education reimbursement

Paid maternity/paternity leave

Flexible work options

Equity program

Job summary

Ensono is seeking a Senior Mainframe Systems Programmer for hardware support, including troubleshooting, maintenance, and problem resolution. You will work on hardware configurations, DASD/TAPE, and IDC/IOCP environments, while supporting client migrations and DR activities.

The role emphasizes proactive maintenance, on-call support, and collaboration with client accounts to deliver reliable mainframe services. A strong background in mainframe hardware is required.

Qualifications

• Bachelor’s degree or equivalent work experience.
• 10+ years of related experience in hardware or mainframe environments.
• Experience with Hardware Management Consoles for mainframe hardware (Processor, DISK, TAPE).
• Knowledge of IOCP/IOCDS/IODF and VTAM/TCPIP concepts.

Responsibilities

• Proactively maintain hardware on current microcode levels.
• Support client transitions and migrations.
• Perform IOGEN and other hardware configuration work.
• Configure storage and processor tasks (DASD model conversions, MSU updates).
• Contribute to problem resolution for Sev1/Sev2 incidents.
• Assist with disaster recovery activities.
• Create tools and processes to improve team productivity and efficiency.
• Produce documentation and automate workflows to support workloads.

Skills

Mainframe hardware

Hardware management

IOCP/IOCDS/IODF

VTAM/TCPIP concepts

DASD/TAPE performance

Problem solving

Troubleshooting

Education

Bachelor’s degree

Tools

IBM Copy Service Manager

Mainframe hardware consoles

Job description

At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things! We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.

We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose.

HONESTY, RELIABILITY, COLLABORATION, CURIOSITY, PASSION

Role Summary

The Senior Mainframe Systems Programmer for Hardware will be responsible for the ongoing support for all mainframe hardware including trouble shooting, problem resolution, and maintenance.

What You Will Do:

• Proactively maintain hardware on current microcode levels.
• Support new client business transitions/migrations.
• Performs IOGEN and other Hardware Configuration work.
• Configure Storage and Processor as needed. Such as DASD Model Conversion, Updating MSUs etc.
• Participation in problem resolution on Sev1/Sev2 Incidents.
• Assist with DR activities.
• Troubleshoots major system issues and escalation to vendors for service restoration and problem resolution for SEV1 and SEV2 issues.
• Create new tools and processes to increase the productivity and efficiency of the team.
• Works to produce documentation, standard way of accomplishing work, and automation to help the team support the workload.
• Works closely with accounts and clients when technical consulting is required from the team.
• Performs ITIL tasks. Such as change management functions: ticketing, opening and closing changes, etc.
• Supply 24x7 365 on-call support/service restoration/root cause analysis/problem resolution.
• Excels in a leveraged support model thereby supporting many customers from a single team.
• Mentoring of team members when required.

What You Will Need:

• Minimum of 10 years of related experience.
• Bachelor’s degree required and/or equivalent work experience.
• Experience in Hardware Management Consoles for different Mainframe Hardware such as Processor, DISK and TAPE.
• Knowledge in DISK and TAPE Architecture.
• Extensive Knowledge in IOCP/IOCDS/IODF.
• Experience in IBM’s Copy Service Manager.
• Knowledge in VTAM/TCPIP concepts.
• Ability to diagnose and handle common hardware issues and resolve them promptly.
• Ability to analyse performance on DASD and Tape subsystems.

We want all new Associates to succeed in their roles at Ensono. That's why we've outlined the job requirements below. To be considered for this role, it's important that you meet all Required Qualifications. If you do not meet all of the Preferred Qualifications, we still encourage you to apply .

Why Ensono ?

Ensono is a place to make better happen – for our clients and for your career. You can do great things through innovation or collaboration, by learning or volunteering, or to promote diversity and inclusion. You can do great things for your own health or for a healthier planet. Whatever it means to you to do great things we want Ensono to be the place you can do it.

We are a client-facing business, but we do encourage clients to allow us to work remotely most of the time so if you are not required to be on a client site, you can choose to work from home or in our Ensono offices.

Some of our benefits include:

• Three health plan options through Blue Cross Blue Shield
• 401k with company match
• Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
• Paid Maternity Leave, Paternity Leave, and Sabbatical Leave
• Education Reimbursement, Student Loan Assistance or 529 College Funding
• Enhanced fertility coverage
• Wellness program
• Flexible work schedule
• Depending on location, ability to take advantage of fitness centers

As of the date of this posting, a good faith estimate of the current pay scale for this role is $60,000 to $152,000 annually based on a full-time schedule. Please note that placement in the range may vary based on numerous factors including but not limited to skills, experience, internal equity, and business needs. In addition to base salary, other compensation programs, depending on eligibility, include an annual bonus plan based on company and individual performance, and an equity grant under our Associate Equity Appreciation Program.

Ensono is an Equal Opportunity/Affirmative Action employer. We are committed to providing equal employment to our Associates and building a diverse and inclusive workforce. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or other legally protected basis, in accordance with applicable law.

Pay transparency nondiscrimination statement/posting OFCCP’s pay transparency policy can be found on OFCCP’s website .