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Team: IT
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr. Mainframe Systems Engineer - Remote based in the United States.
This role is focused on leading the stability, performance, and evolution of critical mainframe infrastructure within a complex enterprise environment. You will be responsible for designing, implementing, and maintaining robust z/OS systems that support mission-critical business operations. The position requires deep technical expertise and the ability to solve highly complex system issues while ensuring maximum availability and performance. You will collaborate closely with cross-functional IT, business, and engineering teams to deliver scalable and reliable mainframe solutions. The environment is highly structured and performance-driven, with strong expectations around system uptime, governance, and operational excellence. In addition, you will contribute to architecture decisions, production support strategies, and continuous platform improvements. This is a senior technical leadership role with high impact on enterprise stability and continuity.
Accountabilities:
- Design, develop, test, and implement mainframe system solutions within a z/OS environment, ensuring reliability, scalability, and performance.
- Provide ongoing production monitoring, support, and troubleshooting to maintain high system availability and operational continuity.
- Collaborate with stakeholders across IT, product, analytics, and business teams to translate requirements into effective technical solutions.
- Monitor project execution against defined timelines, scope, and budgets, providing regular status updates and issue escalation when needed.
- Participate in architecture design discussions to ensure alignment with enterprise standards and long-term infrastructure strategy.
- Document technical processes, system configurations, and operational procedures to support knowledge sharing and governance.
- Mentor and support junior and mid-level engineers, contributing to team capability development and technical growth.
- Perform technical analysis to support decision-making and improve system efficiency across enterprise platforms.
- Minimum 5 years of experience working with IBM z/Series mainframe environments, including system maintenance, performance tuning, and troubleshooting.
- Strong z/OS systems programming expertise, including SMPE, DB2, IMS, and CICS.
- Proven experience in technical problem-solving and delivery of complex infrastructure solutions in enterprise environments.
- Experience collaborating across technical and business teams to deliver production-ready systems.
- Strong understanding of system performance, reliability engineering, and operational best practices.
- Ability to manage technical delivery within defined scope, timelines, and budgets.
- Strong communication skills and ability to work in distributed, cross-functional teams.
- Bachelor’s degree in Computer Science, Information Systems, Computer Engineering, or related field (preferred).
- Preferred: 10+ years of mainframe experience, vendor collaboration experience, and familiarity with 24/7 on-call environments.
- Ability to work remote with alignment to EST working hours and participate in on-call rotations when required.
- Fully remote work arrangement aligned with U.S. Eastern Time hours.
- Permanent/direct hire employment stability.
- Opportunity to work on mission-critical enterprise mainframe systems.
- Exposure to large-scale, complex infrastructure environments.
- Collaborative enterprise engineering culture with knowledge-sharing and mentorship opportunities.
- Career growth within high-impact infrastructure and systems engineering domains.
- Potential participation in on-call rotations and enterprise-wide technical initiatives.
Requirements:
Benefits:
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