The primary purpose of this particular position is z/OS operating system installation and customization using the IBM ServerPac for z/OS process program. This position will apply operating system and program product fixes on a regular basis, as well as analyze and debug operating system and program product related issues. This role will also install and support commonly used ISV products (i.e. CA, BMC, Rocket Software). In addition, this position will also estimate and plan for installation and upgrade activities, as well as new customer transition projects.What you will do: 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 environmentsIdentifies and resolves performance issuesFacilitates project planning efforts by establishing and meeting work estimates, target dates, milestones and schedulesParticipates in ongoing development and improvement of installation standardsProvides team members with technical training and/or mentoring as neededProvides primary support for reported problems related to software in assigned area of responsibility and related productsFulfills ServiceNow requests for customers as they pertain to software in assigned area of responsibility and related productsPerforms 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 solutionsPlans, develops, installs, configures, maintains, supports, and optimizes client network hardware, software, and communication linksAnticipates, mitigates, identifies, and responds to system performance issuesEnsures 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 compliancePerforms database installations, updates/patches/upgrades, tuning, performance monitoring, replication, back-ups, security, user management, and resource managementResearches and makes recommendations on infrastructure products, services, and standards in support of procurement and development effortsParticipates in Disaster Recovery exercises and planningFollows change control, incident response, and testing processesCommunicates and enforces, through system procedures, data storage retention policiesMonitors, analyzes, and predicts trends for equipment performance, space allocation, and data growth to recommend enhancementsCreates scripts to automate common tasksAddresses and updates customer incident tickets and change orders, providing internal management and customer account managers with status informationCreates required reports in response to business user needsDevelops, documents, and maintains policies, procedures and associated training plans for systems and /or database administration and appropriate useDevelops reusable assets (templates, tools, etc) for the Managed Services practiceWorks with account management personnel to participate on conference calls and perform tasks in support of the client relationshipPartners with the Managed Services Continuous Improvement team on pre-sales support activity and design and scoping of servicesProvides technical perspective to ensure a realistic estimation of scope, cost and level of effort for proposal generationWorks with project managers in the development and implementation of project plans and timelinesComplies with all time compliance and time entry guidelinesTraining/Certifications: Attends training sessions, and obtains industry related certifications as determined by managementWhat we expect of you: 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), , OR9 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 AssistantDemonstrated communication and presentation skillsDemonstrated ability to execute tasks associated with customers’ disaster recovery plansDemonstrated skills in the majority of the followingUNIX Systems Servicesz/OSREXX/CLISTJCLDemonstrated experience with ISV products including:System Management: Tools for monitoring, managing and optimizing mainframe operations.Security: Solutions for enhancing the security of the mainframe environmentsData management: Software for managing, storing and retrieving data efficientlyApplication Development: Tools that aid in the development, testing, and deployment of mainframe operationsPerformance 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 specialtyDemonstrated ability to acquire further technical skillsDemonstrated verbal and written communication skillsDemonstrated ability to multitask and prioritize workloadDemonstrated customer service skillsDemonstrated ability to investigate problems and utilize problem solving techniquesDemonstrated ability to establish positive working relationships and work as a team player in a managed services environmentDemonstrated ability to provide guidance and leadership to less experienced technical team membersDemonstrated ability to develop strong customer relationships and trust to secure future businessDemonstrated experience with Software Vendors, i.e. Broadcom, Compuware, BMC, LRS and Syncort, a plusDemonstrated experience with File Transfer Protocol (FTP)/Secure File Transfer Protocol (SFTP) IP Connectivity, a plusManaged Services experience, a plusCDW is committed to being an AI-fluent organizationWe’re looking for people who bring curiosity, a learner’s mindset, and a willingness to engage with ever-evolving technology and tools. We value adopting AI as a partner, openness to experimentation, and a shared interest in learning together on AI. Our goal is to create a culture where AI enhances—not replaces—human creativity and decision-making. You don’t need to be an expert today; what matters is your readiness to explore, adapt, and grow with us as we integrate AI responsibly and effectively into our work.Additionally, CDW is committed to fostering an equitable, transparent, and respectful hiring process for all applicants. During our application process, our goal is to understand your experience, strengths, skills, and qualifications. As an AI forward company, we see AI not just as a tool, but as a catalyst for new ways of thinking, creating, and communicating. We encourage candidates to embrace an AI mindset, one that’s curious, adaptive, and ready to explore what’s possible. We welcome thoughtful use of AI to expand your perspective and elevate how you share your story, while ensuring your application remains rooted in your own background, judgment, and voice.About UsCDW is a Fortune 500 technology solutions provider that helps businesses, government, education, and healthcare organizations achieve what’s possible through technology. What makes CDW different isn’t just what we do—it’s how we do it. At CDW we act as one—building trust, speaking candidly, and working together to achieve more. We play to win—focusing on what matters most and delivering for our customers. And we think forward—staying curious, moving fast, and continuously learning. We believe meaningful work happens when people feel supported, heard, and empowered to contribute. That’s why we think of ourselves as coworkers, not just employees—working together to solve complex challenges and deliver real impact for our customers and communities.As a full‑stack, full‑lifecycle technology partner, CDW brings deep expertise, strong relationships, and broad industry knowledge to help turn ideas into outcomes. When you join CDW, you become part of a collaborative environment where your work matters, your growth is supported, and your contributions help shape what’s next.Together, we deliver the full promise of what technology can do. Together, we Make Amazing Happen.

Senior Engineer - Managed Services - Mainframe Z/OS ISV

Emma

Responsibilities

Skills wanted:

Language(s) required:

About CDW:

www.cdw.com/

Admin access needed