Mainframe Networking Jobs in El Segundo, CA (NOW HIRING)

McMaster-Carr is an eCommerce company seeking capable, curious people in all areas of our business. As a member of the Technology Team, Operations Technicians help maintain the security, reliability, and day-to-day usability of our computing environment. Successful technicians are thoughtful troubleshooters who enjoy understanding why systems work the way they do, not just how to fix them. They communicate clearly, respond promptly to user needs, and look for opportunities to improve processes, tools, and documentation over time.

About the Job

This is an Santa Fe Springs, CA -based role that provides opportunities to develop competencies in a variety of technologies, advance within the company, and build a fulfilling career. We offer competitive base salaries, company profit-sharing, and a consistent 40-hour work schedule Monday through Friday.

 Who You Are

• Independent Problem-Solver: Resolve common technical issues end-to-end and escalate complex or systemic problems with clear context.
• Curious & Analytical: Seek to understand how and why systems work, focusing on root causes rather than just fixing individual symptoms.
• Analytical Troubleshooter: Investigate root causes and apply best practices to implement reliable solutions rather than relying on trial-and-error.
• Professional Communicator: Provide clear verbal and written support, especially when supporting users during incidents.
• Reliable & Accountable: Follow through on commitments and set accurate timelines for user requests and projects.
• Process-Oriented: Recognize patterns in recurring issues to help improve documentation, tooling, and overall system reliability.
• Efficient & Detailed: Balance attention to detail with the ability to move quickly as business needs dictate.
• Automation-Minded: Show active interest in process improvement, automation, or scripting to make support more efficient.

 How You'll Make an Impact

• Provide remote and in-person technical support to internal users.
• Provision user accounts and manage role-based access to systems and resources
• Remotely deploy software to PCs and create or maintain deployment packages when needed.
• Troubleshoot and resolve document and label printing issues; perform corrective and preventative maintenance.
• Support users across physical PCs and virtual desktop environments (VDI), including hardware, OS, application, and peripheral issues.
• Image, configure, and replace PCs and other endpoint devices as needed.
• Resolve common issues with internal applications or clearly scope problems and escalate with actionable detail to support teams.
• Work with systems and security teams to identify and remediate endpoint security vulnerabilities.
• Identify recurring technical issues and help implement reliable, long-term solutions.
• Create and maintain basic documentation and runbooks for standard procedures and repeat issues.

Technologies

Experience with some of the following is helpful, but not all are required:

• Windows 11
• Active Directory
• Group Policy
• Multi-factor authentication (RSA, Azure, etc.)
• VMware (including VMs and basic VDI concepts)
• Windows Server 2016/2022/2025
• Microsoft Office 365
• Exchange (on-prem or hybrid)
• Adobe Acrobat DC / Creative Cloud
• Basic networking concepts (switching, DNS, DHCP)
• Endpoint security tooling (Counteract, PDQ, etc.)
• PCs, laptops, scanners
• HP & Zebra printers
• PowerShell scripting (basic to intermediate)
• IBM Mainframe environment

Cash Compensation

Total cash compensation ranges from $119,625 - $137,625, which includes annual cash profit sharing based on company profitability.

Benefits

We offer comprehensive benefits to support employees and their dependents, such as:

• 100% tuition reimbursement
• Medical, dental, pharmacy, and vision plans with no monthly premiums
• Industry-leading company-funded retirement accounts
• Employee resource groups (e.g., Pride Alliance, Black Employees, Mi Gente, Military Community)
• Inclusive, all-gender benefits
• First-time home buyer assistance
• Paid parental leave for all new parents
• Adoption and surrogacy assistance
• Paid time off for vacation and personal time

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