What are the responsibilities and job description for the Mainframe Systems Engineer (z/OS & Networking) position at Conexess Group?
Mainframe Systems Engineer (z/OS & Networking)
Location - 100% Remote - ability for hybrid in specific locations
Terms - Direct Hire / Permanent
Job Description:
The Mainframe Systems Engineer installs and maintains mainframe operating systems ensuring the stability, performance and security of our mainframe environment while driving innovation and continuous improvement.
Primary Responsibilities
- Evaluates system specifications, input/output processes, and working parameters for hardware/software compatibility
- Troubleshoots and resolves complex technical issues related to mainframe systems and applications
- Administers, configures, and maintains mainframe systems, including hardware, operating systems, and software components
- Maintains operational effectiveness and efficiency by monitoring, evaluating, and adjusting mainframe operating systems
- Maintains quality service by establishing and enforcing organization standards
- Maintains installation records by documenting system configurations, procedures, and best practices
- Resolves problems by determining cause, providing technical assistance to applications and other support staff
- Develops and implements backup and disaster recovery strategies to ensure business continuity
- Covers on call 24x7 on a rotating basis for problem resolution and SEV1 incidents
- Ensures compliance with risk management programs, rules and regulations, and cybersecurity practices; identifies opportunities for and supports process improvements; applies disciplined change management practices
- Bachelor's degree in Computer Science, Business, or a related field and six (6) years of mainframe infrastructure technical software and hardware analysis, programming, and installation experience
- Or High School Diploma or GED with ten (10) years of experience of mainframe infrastructure technical software and hardware analysis, programming, and installation
- Experience in installation and support of Mainframe system products including ZOS, CICS, MQ, DB2, Storage, Automation, ZLINUX or Networking
- Experience in problem determination, installation and support of mainframe products, disaster recovery experience and knowledge, and performance and tuning experience
- Experience in opening, managing, solving, and closing problems with vendor support centers
- Ability to interpret and ensure compliance with applicable rules, regulations, and industry guidance
- Ability to work in a team environment when applicable
- Ability to work under limited guidance
- Ability to work under pressure and meet deadlines
- Excellent problem solving and trouble shooting skills
- Strong communication and collaboration abilities
- Strong understanding of mainframe hardware
- Basic Networking Knowledge
- TCPIP
- IP V4 addressing, subnetting, utilities like traceroute, ping, etc.
- Routing protocols (OSPF and static routes in our case)
- Content delivery, load balancers
- DNS basic knowledge: forward/reverse lookup, resolvers, DNS caching/time to live
- FTP/FTPS/SFTP/SSH
- VTAM
- Basic configuration: Major nodes, application definitions, Enterprise Extender
- Basic Unix knowledge
- File structure
- Basic commands: ls, cd, chmod, etc.
- TCPIP
- Basic z/OS knowledge
- TSO, ISPF,JCL, job submission, etc.
- Security
- TLS sessions
- Certificate chains, keyrings
- Nice to have:
- z/OS policy agent (PAGENT)
- ZOSMF network configuration assistant
- Managed file transfer applications such as Connect Direct
- Mainframe print delivery (Infoprint)
- Hypersockets and Shared Memory communication
- Service Now experience