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Mainframe Operataing Systems Engineer
senior · Technology / Software Development
Job Description:
Note: Fidelity will not provide immigration sponsorship for this position
Senior Mainframe Operating Systems Engineer
The Team
The Mainframe Operating Systems team is responsible for the engineering, support, stability, security, and modernization of Fidelity's enterprise mainframe platform. The team provides the foundational operating system services that support critical business applications across the organization. By maintaining a secure, resilient, and high-performing platform, the team enables business areas to deliver services to customers with confidence and reliability.
As a Senior Mainframe Operating Systems Engineer, you will work closely with infrastructure teams, application development teams, architecture teams and software vendors. The team is focused on maintaining operational excellence, keeping software current, implementing new technologies, and continuously improving the mainframe environment through automation and modernization initiatives.
You will be part of a collaborative team that values technical expertise, innovation, continuous learning, and knowledge sharing while supporting one of the industry's largest and most sophisticated mainframe environments.
The Expertise You Have
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent professional experience.
5 - 8+ years of hands-on experience supporting IBM z/OS operating systems in a systems programming or operating systems engineering role.
Experience administering and supporting large-scale enterprise mainframe environments.
5+ years experience installing, customizing, upgrading, and maintaining IBM and Independent Software Vendor software products using SMP/E.
Experience supporting Parallel Sysplex environments, Coupling Facilities, and high-availability mainframe architectures.
Experience supporting software products including Top Secret, Control-M, MFX, CA-1, Endevor, z/OSMF, System Automation, NetView, OMEGAMON, SYSVIEW, Mobius, and related technologies.
Experience with z/OS Unix System Services (USS), JCL, REXX, Python, and shell scripting (KSH/SH) to automate operational and engineering activities.
Experience with change management, incident management, problem management, and software lifecycle practices.
Experience working directly with software vendors to resolve technical issues and perform root cause analysis.
Experience supporting disaster recovery solutions including GDPS, Global Mirror, and Metro Mirror.
Experience with modern mainframe tooling, automation frameworks, DevOps practices, and platform engineering concepts.
The Skills You Bring
You bring advanced knowledge of IBM z/OS operating systems and core system components.
You demonstrate expertise in software installation, customization, maintenance, and support using SMP/E processes.
You bring strong technical problem-solving and analytical skills when diagnosing complex operating system, infrastructure, and system software issues.
You communicate effectively with both technical and non-technical partners and can explain complex concepts clearly.
You collaborate effectively across infrastructure, application development, architecture, and vendor organizations.
You take initiative in identifying opportunities to improve system reliability, automation, and operational efficiency.
You bring experience working with technologies such as z/OSMF, Zowe, Unix System Services, JCL, REXX, Python, and Git-based development practices.
You demonstrate strong organizational skills while managing multiple priorities in a fast-paced environment.
You contribute as a technical leader by sharing knowledge, mentoring team members, and driving engineering best practices.
You work effectively with software vendors and internal stakeholders to resolve issues, evaluate solutions, and implement improvements.
You possess strong written and verbal communication skills and can effectively document and present technical information to a variety of audiences.
The Value You Deliver
Supporting the stability, availability, security, and performance of Fidelity's enterprise z/OS operating system environment.
Installing, customizing, upgrading, and maintaining IBM and Independent Software Vendor software products while ensuring software currency and platform resiliency.
Leading operating system upgrades, software maintenance activities, technology refresh initiatives, and infrastructure modernization efforts.
Automating operational processes utilizing JCL, REXX, Python, Ansible, and other platform engineering tools to improve efficiency and reduce operational risk.
Supporting critical incident resolution, problem determination, root cause analysis, and production support activities for business-critical systems.
Advancing modern mainframe capabilities through technologies such as z/OSMF, Zowe, GitHub Enterprise, APIs, IBM Open Enterprise SDK for Python, and contemporary development practices.
Supporting emerging technologies and modernization initiatives including z/OS Container Extensions (zCX), IBM Wazi, event-driven automation, and developer productivity solutions.
Participating in disaster recovery planning, testing, and resiliency improvements utilizing GDPS, Global Mirror, and Metro Mirror technologies.
Improving platform observability, monitoring, automation, and operational excellence through proactive engineering practices and modern monitoring solutions.
Providing technical leadership, mentoring team members, and partnering with business, technology, vendor, and application development teams to deliver reliable infrastructure services.
Fidelity’s Onsite Working Model
Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.
Certifications:
Category:
Information TechnologyPlease be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.