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Engineer, Sirius Managed Services z/OS Mainframe Network Technical Supportat CDW Careers

Job ID: 
Focus Area: 
Data Security
Date Posted 
Feb 22, 2022
Remote, Remote
Employment Type: 

This job posting is no longer active

Sirius Computer Solutions is a CDW company. We share common values as a performance-driven, customer-focused culture. CDW is a leading multi-brand provider of information technology solutions to business, government, education and healthcare customers across the globe. 

The primary purpose of this position is to manage and maintain IT infrastructure environments for Managed Services customers.   The Managed Services Engineer ensures high levels of availability and security of the supported systems and business applications. This position will focus on the operational stability and maintenance of virtualized and physical infrastructure in customer and/or hosted data center environments. 

The primary purpose of this position is to provide z/OS network support and customization (such as TCP/IP, VTAM, FTP, SFTP, FTPS, SMTP, etc.).  Routine activities include configuring, implementing, maintaining and supporting host network definitions and configurations on a regular basis as well as supporting peripheral ISV program product related issues (e.g., Connect:Direct).  Additionally, this position will also estimate and plan for installation and upgrade activities in addition to new customer transition (read: onboarding) projects. 

The level of support requires understanding, expert knowledge and lengthy experience of IBM Z (mainframe) systems and technology – in particular z/OS operating systems with a specific focus upon Communications Server and related networking products. 


Primary Duties & Responsibilities 

  • 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 
  • 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 technical assistance regarding Disaster Recovery (DR) exercises and Business Continuity Processes (BCP) 
  • Provides team members with technical training and/or mentoring as needed 
  • Performs a variety of technical tasks in support of Managed Services clients including but not limited to: 
    • Installing, implementing, maintaining, upgrading, and troubleshooting client infrastructure solutions 
    • Planning, developing, installing, configuring, maintaining, supporting and optimizing client network hardware, software, and communication links 
    • Anticipating, mitigating, identifying and responding to system performance issues 
    • Ensuring the integrity and security of enterprise data on host computers particularly during data transfer in accordance with business needs and industry best-practices regarding privacy, security, and regulatory compliance 
    • Researching and offering recommendations specific to infrastructure products, services, and standards in support of any given client’s production and development efforts 
    • Participating within Disaster Recovery and/or Business Continutiy exercises and planning 
    • Following change control, incident response and testing processes 
    • Monitoring, analyzing, and predicting trends for equipment performance, data transfer growth rates and bandwidth to recommend enhancements 
  • 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 appropriate use 
  • Develops reusable assets (templates, tools, etc.) for the Managed Services organization 
  • 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 Service Improvement team (CSI) on pre-sales support activity and design and scoping of services 
  • Provides technical perspective to ensure a realistic estimation of scope, expense and level of effort for proposal generation 
  • Works with project managers in the development and implementation of project plans and corresponding timelines 
  • Complies with all time compliance and time entry guidelines 
  • Training/Certifications: Attends training sessions and obtains industry related certifications as determined by management 

Basic Qualifications 

  • Bachelor’s degree in Computer Science, Management Information Systems, Information Technology, Engineering, Mathematics or a related field 
  • At least five (5) years of IT engineering work experience dealing with one or more infrastructure solutions supported by the Managed Services organization to include: 
    • 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) 
    • Experience curating TCPIP/VTAM/SNA/APPN networks and general systems programming for z/OS Communications Server 

Other Position Requirements 

  • Demonstrated experience with z/OSMF Configuration Assistant 
  • Demonstrated experience supporting Parallel Sysplex 
  • Demonstrated experience configuring debugging and maintaining TCP/IP subsystems configuration 
  • Demonstrated experience configuring, debugging and maintaining VTAM subsystems configurations, 
  • OSA/HiperSockets/XCF and mainframe LAN/WAN connectivity 
  • Demonstrated experience with network security using ICSF and Policy Agent to support TLS, IP Sec Filtering and Intrusion Detection 
  • Demonstrated experience with LAN/WAN architecture, dynamic routing, network software and services like FTP, SFTP, FTPS, SMTP 
  • Demonstrated communication and presentation skills 
  • Demonstrated ability to execute tasks associated with customers’ disaster recovery plans   
  • Demonstrated skills in the majority of the following 
    • WLM 
    • z/OS Assembler language programming 
    • SYSPLEX Operations 
    • Coupling Facility Management 
    • TSO/ISPF 
    • UNIX Systems Services 
    • z/OS 
    • JCL 
    • ISV product installations, upgrades and maintenance 
  • 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 ability to achieve high levels of customer satisfaction 

Preferred Qualifications 

  • Demonstrated experience with Session managers and 3rd party network software  
  • Demonstrated experience with configuration of the JVM on the Mainframe 
  • Managed Services experience 

Data Privacy & Security 

  • Sirius employees are responsible to safeguard the information and information systems that they use or handle in the execution of their duties. Employees are obligated to know and perform their duties in accordance with Sirius policies, standards, and procedures related to security and report security violations to the appropriate Sirius authority 
  • Participate at hire and annually in the Information Security Awareness training as well as other required training identified by the Human Resources department. Other data privacy and data security related regulatory training may be required based on your role or assignment

Essential Functions 

The position exists to provide IT problem resolution to customers and as such requires the ability to work flexible hours. 

The above primary duties, responsibilities, and position requirements are not all inclusive. 

COVID-19 Update:
CDW is committed to maintaining a workplace that is free of known hazards and to ensuring the safety, health, and well-being of coworkers and candidates for employment and their families, as well as the community.

CDW requires all coworkers be fully vaccinated against COVID-19, with the only exceptions being a documented, legally required medical or religious accommodation.  Prior to starting with CDW, successful candidates will be required to: (i) be fully vaccinated against COVID-19 and provide CDW with proof of full vaccination; or (ii) apply for and receive a medical or religious-based accommodation to be exempt from the mandatory vaccination policy.

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