Senior Engineer – Managed Services – Mainframe z/OS ISV

CDW

Senior Engineer specializing in mainframe z/OS installation and support at CDW. Delivering systems customization and technical assistance for managed services.

Posted 5/8/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $107,300 - $150,180 per yearWebsite

Tech Stack

Tools & technologies

ServiceNowUnix

About the role

Key responsibilities & impact

Provides technical assistance regarding Disaster Recovery (DR) exercises and Business Continuity Processes (BCP)
Ensures system improvements and/or modifications are implemented.
Develops, enhances and/or supports technical approaches that allow successful audits and scalable implementations of large, complex mainframe environments
Identifies and resolves performance issues
Facilitates project planning efforts by establishing and meeting work estimates, target dates, milestones and schedules
Participates in ongoing development and improvement of installation standards
Provides team members with technical training and/or mentoring as needed
Provides primary support for reported problems related to software in assigned area of responsibility and related products
Fulfills ServiceNow requests for customers as they pertain to software in assigned area of responsibility and related products
Performs a variety of technical tasks in support of Managed Services customers. These may include, but are not limited to: Installs, implements, maintains, upgrades, and troubleshoots client infrastructure solutions
Plans, develops, installs, configures, maintains, supports, and optimizes client network hardware, software, and communication links
Anticipates, mitigates, identifies, and responds to system performance issues
Ensures the integrity and security of enterprise data on host computers, multiple databases, and during data transfer in accordance to business needs and industry best-practices regarding privacy, security, and regulatory compliance
Performs database installations, updates/patches/upgrades, tuning, performance monitoring, replication, back-ups, security, user management, and resource management
Researches and makes recommendations on infrastructure products, services, and standards in support of procurement and development efforts
Participates in Disaster Recovery exercises and planning
Follows change control, incident response, and testing processes
Communicates and enforces, through system procedures, data storage retention policies
Monitors, analyzes, and predicts trends for equipment performance, space allocation, and data growth to recommend enhancements
Creates scripts to automate common tasks
Addresses and updates customer incident tickets and change orders, providing internal management and customer account managers with status information
Creates required reports in response to business user needs
Develops, documents, and maintains policies, procedures and associated training plans for systems and/or database administration and appropriate use
Develops reusable assets (templates, tools, etc) for the Managed Services practice
Works with account management personnel to participate on conference calls and perform tasks in support of the client relationship
Partners with the Managed Services Continuous Improvement team on pre-sales support activity and design and scoping of services
Provides technical perspective to ensure a realistic estimation of scope, cost and level of effort for proposal generation
Works with project managers in the development and implementation of project plans and timelines
Complies with all time compliance and time entry guidelines

Requirements

What you’ll need

Bachelor’s degree in Information Systems, Information Technology, Computer Science, or related field and 5 years experience installing, maintaining, and supporting mainframe software products for IBM mainframes and performing system management functions (software installations, version upgrades, product maintenance, and configuration management)
OR 9 years experience installing, maintaining, and supporting mainframe software products for IBM mainframes and performing system management functions (software installations, version upgrades, product maintenance, and configuration management)
Demonstrated experience with z/OSMF Configuration Assistant
Demonstrated communication and presentation skills
Demonstrated ability to execute tasks associated with customers’ disaster recovery plans
Demonstrated skills in the majority of the following UNIX Systems Services z/OS REXX/CLIST JCL
Demonstrated experience with ISV products including: System Management: Tools for monitoring, managing and optimizing mainframe operations. Security: Solutions for enhancing the security of the mainframe environments Data management: Software for managing, storing and retrieving data efficiently Application Development: Tools that aid in the development, testing, and deployment of mainframe operations Performance Optimization: Products designed to improve the performance and efficiency of the mainframe system.
Demonstrated ability to implement and troubleshoot IT Infrastructure systems and configurations in designated area of specialty
Demonstrated ability to acquire further technical skills
Demonstrated verbal and written communication skills
Demonstrated ability to multitask and prioritize workload
Demonstrated customer service skills
Demonstrated ability to investigate problems and utilize problem solving techniques
Demonstrated ability to establish positive working relationships and work as a team player in a managed services environment
Demonstrated ability to be resourceful in working with disparate client and internal departments to deliver meaningful solutions
Demonstrated ability to provide guidance and leadership to less experienced technical team members
Demonstrated ability to develop strong customer relationships and trust to secure future business
Demonstrated experience with Software Vendors, i.e. Broadcom, Compuware, BMC, LRS and Syncort, a plus
Demonstrated experience with File Transfer Protocol (FTP)/Secure File Transfer Protocol (SFTP) IP Connectivity, a plus
Managed Services experience, a plus.

Benefits

Comp & perks

Annual bonus target of 10% subject to terms and conditions of plan

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

mainframe software installationsystem management functionsz/OSMF Configuration AssistantUNIX Systems Servicesz/OS REXXCLISTJCLperformance optimizationtroubleshooting IT infrastructuredata management

Soft Skills

communication skillspresentation skillscustomer service skillsproblem solvingmultitaskingprioritizationteamworkleadershipresourcefulnessrelationship building