
Senior Mainframe Engineer
Posted Sep 1

Posted Sep 1
This is a fully remote position, open to applicants in Alabama, +28 more states.
• Act as a technical leader, guiding best practices and mentoring team members on optimizing z/OS operating system upgrades.
• Create and implement standardized methods for z/OS upgrades and mass maintenance.
• Lead initiatives aimed at enhancing system performance, simplifying processes, and minimizing operational complexity.
• Supervise the installation, configuration, and upkeep of IBM and ISV software products.
• Collaborate with cross-functional teams to strategize and execute operating system upgrades with minimal disruption to business operations.
• Develop and maintain detailed technical documentation and templates for operating system deployments.
• Promote the adoption of new technologies and features, including Sysplex enhancements and automation frameworks.
• Serve as the subject matter expert for mainframe infrastructure projects, offering technical guidance and governance.
• Provide advanced troubleshooting and resolution for escalated incidents that exceed Level 1 support.
• Engage in after-hours and weekend support as necessary.
• Demonstrated experience in z/OS operating system upgrades, mass maintenance deployment, and software installation.
• Comprehensive knowledge of z/OS components such as JES2, HCD/IODF, SMP/E, WLM, OMVS/USS, SMF/RMF, ASM, GRS, SDSF, TSO, and RACF.
• Strong understanding of communication protocols (VTAM, TCP/IP) and LPAR configuration through HMC.
• Proficient in storage management (SMS, HSM, DFDSS, VSAM, IDCAMS, ICF Catalogs).
• At least 10 years of experience as a Mainframe Senior Systems Engineer.
• Candidates must have unrestricted work authorization and will not require future sponsorship.
• Familiarity with mainframe automation and monitoring tools.
• Experience with significant subsystems (CICS TS, IMS, DB2, and IBM MQ).
• Knowledge of tape library configuration, printer setup, and TCP/IP server configuration.
• Understanding of IBM Z hardware architecture.
• Proven ability to lead technical teams, influence decisions, and establish strategic direction.
• Competent in developing repeatable, standardized processes for complex system upgrades and migrations.
• Strong problem-solving abilities with a focus on efficiency and continuous improvement.
• Excellent communication skills—capable of clearly articulating technical concepts to diverse audiences.
• Medical, Dental, Vision Insurance.
• 401k, With Matching Contributions.
• Time Off Programs.
• Health Savings Account (HSA)/Dependent Care.
• Employee Banking.
• Growth Opportunities.
• Tuition Assistance.
• Short-Term/Long-Term Disability Insurance.
• Work-life balance.
• Remote work arrangement.
• Occasional travel may be required for in-person meetings.
Mercor
Cisco
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