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.
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.
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.
Skills Required
- At least 3 years of experience with z/OS, CICS, Db2, JCL, SMP/E, SMS/ACS, Networking, z/OSMF, and Zowe
- Analytical approach to problem-solving and technical design
- Clear communication skills across technical and non-technical audiences
- Interest in mentoring and coaching
McMaster-Carr Compensation & Benefits Highlights
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Healthcare Strength — Healthcare Strength: Health coverage is described as comprehensive and notably valuable, with medical, dental, pharmacy, and vision plans that do not require monthly premiums. Mental‑health and wellness options, including complimentary therapy sessions in some materials, are also highlighted.
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Retirement Support — Retirement Support: Retirement programs are portrayed as robust, featuring company‑funded retirement accounts and generous profit sharing that can materially augment total compensation. Access to financial counselors and related protections further support long‑term security.
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Parental & Family Support — Parental & Family Support: Family benefits include paid parental leave for all new parents plus adoption and surrogacy assistance. Additional supports such as college assistance for dependents and first‑time home‑buyer help are noted.
McMaster-Carr Insights
What We Do
McMaster-Carr is trusted by industrial customers around the world to keep manufacturing lines running, operations moving, and turn new ideas into real products. Since 1901, we’ve earned that trust by offering the right products, making them easy to find, and delivering them quickly. 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 never stop innovating. We turn ambiguous problems, new challenges, and disruptive technologies into opportunities to refine our operations, expand our offering, and deliver the best experience for every customer. Behind it all are our people: curious, exceptional problem-solvers who take pride in getting every detail right for our customers.
Why Work With Us
Curious people thrive at McMaster-Carr. Engineers build technical knowledge through learning groups, book clubs, and one-on-one mentoring. Diverse projects offer experience with a wide range of technologies to encourage career-long learning. Great work is celebrated in an inclusive workplace dedicated to equity, growth and employee well-being.
Gallery
McMaster-Carr Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Lead Software Engineers and other technology roles benefit from a mix of onsite collaboration with teams and remote work. Other roles may be fully onsite depending on responsibilities.
