Skill
z/OS
IT Infrastructure and Networking
z/OS is IBM's flagship 64-bit operating system for its mainframe computers (IBM Z series), widely used by large enterprises such as banks, insurers, and government agencies for mission-critical transaction processing and batch workloads. It supports technologies like COBOL, CICS, and DB2, and emphasizes high availability, security, and massive scalability. Mainframe systems programmers and administrators specialize in z/OS to maintain legacy and modern enterprise computing infrastructure.
z/OS in the job market
Last checked September 12, 2026
- Open roles
- 14
- Employers
- 3
- Median pay
- —
- Disclose pay
- —
on Career App right now
hiring for it
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of these roles
Open roles requiring z/OS (14)
Mainframe Systems Administrator
Auto-Owners Insurance
Full-time · Lansing, MI
A mainframe systems administrator role supporting z/OS systems at an insurance company, with flexibility to work from home after initial training. This suits someone with z/OS experience and a track record coordinating technical projects who wants to optimize systems while mentoring others.
Listed on Auto-Owners Insurance’s careers site · Apply there ↗
Privileged Access Management Engineer
American International Group
A Privileged Access Management Engineer implements and maintains CyberArk and related secrets management solutions to secure privileged accounts and credentials across the enterprise. This role suits experienced PAM practitioners who can integrate applications with PAM tools, support adoption across teams, and help mature the organization's zero-trust security posture.
Listed on American International Group’s careers site · Apply there ↗
Senior Product Owner
Broadcom Inc.
$104,100 – $166,500
Broadcom is seeking an experienced product owner to guide the strategy and execution of mainframe software products used by major enterprises worldwide. This role suits someone with deep mainframe expertise who can translate customer needs into product priorities while coordinating cross-functional teams in an agile environment.
Listed on Broadcom Inc.’s careers site · Apply there ↗
Mainframe z/VM System programmer
Broadcom Inc.
Full-time · $108,000 – $172,800
This role maintains IBM Z mainframe z/VM operating systems in a high-availability production environment, managing virtual guests, service machines, and third-party vendor products. It suits experienced mainframe administrators with deep z/VM knowledge who can troubleshoot complex infrastructure issues and collaborate across teams.
Listed on Broadcom Inc.’s careers site · Apply there ↗
Staff Technical Support Engineer - Mainframe
Broadcom Inc.
$88,300 – $141,300
Broadcom seeks a seasoned mainframe technical support professional to resolve complex customer issues across their software portfolio and mentor junior engineers. This role suits experienced troubleshooters comfortable working independently on critical systems while fostering team development and contributing to knowledge sharing initiatives.
Listed on Broadcom Inc.’s careers site · Apply there ↗
Sr Mainframe Technical Consultant
Broadcom Inc.
$100,000 – $160,000
This role requires a highly experienced mainframe infrastructure consultant to guide clients through technical architecture and implementation of Broadcom's software solutions, combining deep product expertise with advisory capabilities across a complex ecosystem. It suits someone with over a decade of mainframe experience who can bridge technical depth with client-facing consulting and wants to work on sophisticated infrastructure projects.
Listed on Broadcom Inc.’s careers site · Apply there ↗
Mainframe QA Engineer
Broadcom Inc.
$101,000 – $162,000
A senior QA role focused on mainframe storage systems and CI/CD automation, requiring five years of experience with mainframe architectures and a proven ability to design testing strategies and lead engineering excellence initiatives. This position suits experienced QA professionals ready to drive quality practices across complex, distributed systems.
Listed on Broadcom Inc.’s careers site · Apply there ↗
Senior Mainframe Software Engineer
Broadcom Inc.
Plano, TX
Broadcom seeks a hands-on mainframe software engineer to design, develop, and modernize enterprise applications on the z/OS platform using Assembler and related languages. This role suits experienced engineers who thrive in collaborative Agile environments and want to drive innovation across a large-scale mainframe product ecosystem.
Listed on Broadcom Inc.’s careers site · Apply there ↗
Senior Software Engineer (ICB3)
Broadcom Inc.
Plano, TX · $91,100 – $146,000
Broadcom seeks a software engineer to develop innovative solutions for their Datacom database product, a mission-critical system serving major financial and retail institutions on IBM mainframes. This role suits experienced developers comfortable with low-level systems programming, mainframe technologies, and agile collaboration.
Listed on Broadcom Inc.’s careers site · Apply there ↗
Mainframe Software Engineer
Broadcom Inc.
Plano, TX · $129,400 – $207,000
Broadcom seeks a cybersecurity-focused software engineer to own the security architecture and evolution of Gen, a low-code development platform used by global enterprises on mainframes and distributed systems. This senior role combines hands-on coding, architectural leadership, and customer-facing expertise in securing legacy and modern hybrid environments.
Listed on Broadcom Inc.’s careers site · Apply there ↗
Asked for alongside z/OS
Measured from the 14 open roles that name z/OS — not from a curated list.
Related skills
Curated neighbors in the taxonomy, whether or not employers ask for them together.