Senior z/OS Platform Engineer

Who We Are

McMaster-Carr is a leading e-commerce company that industrial customers have trusted for over 120 years. Our products help them get manufacturing lines back up quickly, keep operations running smoothly, and prototype the next generation of innovative solutions. We earn and keep that trust by offering the right products, making them easy to find, and delivering them fast, so our customers can solve problems with greater speed, precision, and ease.

Our industry-leading e-commerce experience, indispensable product selection, and world-class service bring hundreds of thousands of customers to our site each day. But we’re never standing still. Our curious, exceptional people are at the heart of our evolution. They turn new challenges and disruptive technologies into opportunities to refine our operations, expand our offering, and deliver a better experience for every customer.

How You'll Make An Impact
Our technology team builds the software that powers our e-commerce experience and our world-class operations. From customer-facing web features to distribution center automation, we design and scale critical systems that enable McMaster-Carr to deliver same-day or next-day orders reliably and efficiently. As a Senior z/OS Platform Engineer, you’ll work on projects like:

  • Re-imagining our COBOL development lifecycle, incorporating VSCode, Zowe, and CI/CD pipelines.
  • Designing and transitioning to a new data layout for critical subsystems to meet recovery time objectives.
  • Upgrading DB2 and other fundamental platform components with comprehensive assessment of dependencies and robust risk mitigation practices.
  • Detecting and analyzing trends in z operations to optimize resource use and development velocity.
What You'll Do
As a Senior z/OS Platform Engineer you will:
  • Perform a broad range of mainframe infrastructure tasks, including supporting CICS and Db2 subsystems, applying system maintenance, and replacing physical hardware.
  • Write code to enhance the availability, resiliency, and efficiency of mainframe software and systems that bring value to customers.
  • Leverage application, resource, and system data to drive down costs and support company goals and strategies.
  • Build technical knowledge through learning groups, book clubs, and one-on-one mentoring.
Who You Are
We’re looking for curious, driven engineers who thrive in collaborative environments and love solving hard problems. Ideal candidates will have:
  • At least 3 years of experience with technologies such as z/OS, CICS, Db2, JCL, SMP/E, SMS/ACS, Networking, z/OSMF, and Zowe.
  • A thoughtful, analytical approach to problem-solving and technical design.
  • Clear, confident communication skills across technical and non-technical audiences.
  • Interest in mentoring, coaching, and growing as a leader.

Cash Compensation

  • Total cash compensation is generally around $235,000 to $310,000 and includes a profit sharing based on company profitability.
  • You will also receive a relocation stipend and signing bonus.

Benefits

Growth & Learning

  • 100% tuition reimbursement
  • Informal and formal mentorship
  • Employee resource groups

Health & Wellbeing

  • Medical, dental, pharmacy, and vision plans with no monthly premiums
  • Inclusive, all-gender benefits

Family & Future

  • Paid parental leave for all new parents
  • Adoption and surrogacy assistance
  • First-time home buyer assistance
  • Industry-leading company-funded retirement accounts

Time Off

  • Paid vacation and personal time

Equal Opportunity Employer

We are proud to be an Equal Opportunity Employer and dedicated to providing employees a workplace with reasonable accommodations and free of discrimination, harassment, and retaliation. At McMaster-Carr, we do not make employment decisions based on age, ethnicity, citizenship status, military status, gender identity and expression, race, religion, disability status, marital status, sexual orientation, or any other legally protected group.

This position is not eligible for work authorization sponsorship by McMaster-Carr.

Data We Collect

We may collect professional, education and employment-related data, and any assessments made throughout the recruiting process, to evaluate candidacy for employment. To communicate with job applicants, we may collect applicant names, contact information, and other personal identifiers, including those outlined in the California customer records statute. Through voluntary disclosure, we may also collect protected classifications under federal or California law (e.g., race, gender, etc.). For additional details about the personal information we collect and its uses, please click here.

What this application asks

greenhouse

First Name, Last Name, Email, Phone, Resume/CV

  • Preferred First Name optional
  • Highest Level of Education Completed choose one
  • Name Pronunciation optional
  • Personal Pronouns optional
  • Address Line 1
  • Address Line 2 optional
  • City
  • State choose one
  • Zip Code
  • LinkedIn Profile URL
  • How many years of software engineering experience do you have? choose one
  • How did you learn about this opportunity? choose one
  • If you selected 'Employee referral' in the previous question, please provide the employee name and your personal or professional connection. optional
  • Have you filed an application at McMaster-Carr in the past? choose one
  • Have you had a phone or in-person conversation with a McMaster-Carr recruiter? choose one
  • Please list any family members or significant others who are currently employed by McMaster-Carr and your relationship with the individual.
  • Are you over 18 years of age and have the ability to furnish proof if hired? choose one
  • Do you have the legal right to work for McMaster-Carr in the United States today? choose one
  • Will you now or in the future require sponsorship from McMaster-Carr for work authorization? For example, if your F-1OPT will expire and you will need H-1B visa sponsorship, or you require TN sponsorship documentation or H-1B transfer for employment, the answer would be “Yes.” choose one
  • Can you provide documentary proof today that you will never require sponsorship from McMaster-Carr for the purpose of establishing work authorization? choose one
  • Have you ever been discharged or forced to resign from employment? Please explain any instances.
  • Legal First Name
  • Legal Last Name
  • Please sign your legal first and last name to certify that you have read and fully understand and accept all terms of the Applicant Statement above.

See also

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