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On Call Operating System Developer Jobs in Phoenix, AZ

Symbotic

System Engineer

Buckeye, AZ

The System Engineer focuses on troubleshooting,maintaining, and stabilizing complex electro ... Provide technical guidance and on-the-job support to maintenance technicians and operators. * Step ...

Lightedge

Sr. Midrange Engineer - IBMi

Phoenix, AZ

$103K - $142K/yr

Maintain and deploy IBMi operating system upgrades, cumulative PTF packages, group PTFs, and ... Participate in 24/7 on-call support rotation as required. * Perform basic IBM Power System hardware ...

Lightedge

Sr. Midrange Engineer - IBMi

Phoenix, AZ

$103K - $142K/yr

Maintain and deploy IBMi operating system upgrades, cumulative PTF packages, group PTFs, and ... Participate in 24/7 on-call support rotation as required. * Perform basic IBM Power System hardware ...

Forhyre

Unisys Mainframe Developer

Phoenix, AZ

$48.75 - $62.50/hr

In a dynamic, fast paced environment the IBM zTPF operating system is the central hub for all ... Possess programming expertise in TPF C/C++ and BAL for the zTPF environment in order to develop and ...

Saxon Global

Technology Lead - DevOps

Phoenix, AZ

$52.50 - $71.75/hr

... and engineering solution services from past 16 years. Saxon global specializes in Business ... Operating System - Linux, UNIX, Windows, Redhat At least 2 years of experience in developing ...

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On Call Operating System Developer information

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How much do on call operating system developer jobs pay per hour?

As of Jul 15, 2026, the average hourly pay for on call operating system developer in Phoenix, AZ is $48.51, according to ZipRecruiter salary data. Most workers in this role earn between $41.06 and $56.83 per hour, depending on experience, location, and employer.

What is the difference between On Call Operating System Developer vs System Software Engineer?

AspectOn Call Operating System DeveloperSystem Software Engineer
Primary FocusMaintaining, debugging, and updating operating systems during on-call shiftsDesigning, developing, and testing system software and tools
Work EnvironmentTypically in tech companies or data centers, often on-call for urgent issuesOffice or remote, involved in development projects
Required SkillsOS internals, troubleshooting, scripting, real-time problem solvingProgramming, system architecture, software development
CertificationsRelevant certifications like Linux Foundation or Microsoft certificationsComputer science degrees, certifications in software development

While both roles involve working with system-level software, the On Call Operating System Developer primarily focuses on maintaining and troubleshooting operating systems during on-call periods, whereas the System Software Engineer is involved in designing and developing system software in a broader development environment.

What are the key skills and qualifications needed to thrive as an On Call Operating System Developer, and why are they important?

To thrive as an On Call Operating System Developer, you need deep expertise in low-level programming, operating system architecture, and debugging, often backed by a degree in computer science or related fields. Proficiency with languages like C/C++, debugging tools (e.g., GDB, WinDbg), and familiarity with version control systems such as Git are typically required. Strong problem-solving abilities, quick decision-making, and effective communication are vital soft skills for responding to urgent production incidents. These capabilities are crucial to rapidly diagnose, address, and prevent system-level failures, ensuring system stability and uptime.

Can you be on call as a software engineer?

On-call responsibilities are common for on call operating system developers and other software engineers working in roles that require 24/7 system availability. These positions often involve monitoring, troubleshooting, and resolving issues outside regular working hours, and may require familiarity with remote access tools and incident management processes.

What are On Call Operating System Developers?

On Call Operating System Developers are specialized software engineers responsible for maintaining, troubleshooting, and improving operating systems, often in real-time or emergency scenarios. They are typically available outside of regular business hours to address critical bugs, security vulnerabilities, or system outages. Their work ensures that operating systems remain stable, secure, and performant, especially when unexpected issues arise. These developers need deep technical expertise in OS internals and must be able to quickly diagnose and resolve complex problems.

What engineer makes $500,000 a year?

Senior software engineers, especially those working in high-demand fields like cloud computing, AI, or cybersecurity, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills, and working at large tech companies or startups with significant funding.

How does the on-call aspect of an Operating System Developer role impact work-life balance and daily routines?

As an On Call Operating System Developer, you may be required to respond to critical system issues or outages outside of regular business hours. This can mean unpredictable work schedules during on-call periods, but teams often rotate responsibilities to help maintain work-life balance. It's important to have strong time management skills and clear communication with your team to ensure coverage and minimize disruptions. Many organizations provide compensatory time off or additional pay for on-call duties, and being on call offers valuable experience in troubleshooting high-stakes, real-world problems.

Are OS developers in demand?

On-call operating system developers are in demand due to the ongoing need for system stability, security, and performance improvements across various industries. Skills in low-level programming, kernel development, and familiarity with tools like C and Linux are highly valued, and employment opportunities are expected to grow with advancements in technology and infrastructure. Continuous learning and certifications can enhance job prospects in this field.

How much do OS devs make?

On-call operating system developers typically earn between $80,000 and $150,000 annually, depending on experience, location, and the complexity of the systems they work on. Senior roles or those with specialized skills in kernel development or low-level programming can command higher salaries. Compensation may also include benefits such as bonuses, stock options, or flexible schedules.
What cities near Phoenix, AZ are hiring for On Call Operating System Developer jobs? Cities near Phoenix, AZ with the most On Call Operating System Developer job openings:
On Call Operating System Developer jobs near you

Urgent Needs - Mainframe ZOS System Programmer in Phoenix, AZ (Hybrid - 3 days onsite)

Komplete Teleservices

Phoenix, AZ • On-site

$54.50 - $69.50/hr

Other

Posted 12 days ago

Job description

Mainframe ZOS System Programmer

The Mainframe z/OS System Programmer is responsible for the installation, customization, maintenance, and optimization of IBM z/OS operating systems and associated system software. This role ensures the stability, performance, security, and availability of mission-critical mainframe environments, supporting large-scale enterprise applications.

System Administration & Maintenance:

·        Install, configure, and maintain IBM z/OS operating systems.

·        Perform system upgrades, migrations (e.g., z/OS version upgrades), and apply maintenance (PTFs, APARs, RSUs).

·        Manage IPL processes, system initialization, and configuration (PARMLIB, PROCLIB, SYS1 datasets).

·        Monitor system health and performance using tools such as RMF, SMF, SDSF.

 

Subsystem Support:

·        Install, configure, and support key subsystems:

o   JES2/JES3

o   TSO/E, ISPF

o   USS (Unix System Services)

o   RACF (in coordination with security teams)

·        Work closely with DB2, CICS, IMS, MQ, and Storage teams for integration and support.

Performance & Capacity Management:

·        Analyze system performance metrics and implement tuning improvements.

·        Support capacity planning and resource optimization (CPU, memory, I/O).

·        Evaluate hardware upgrades (e.g., CPU/MIPS growth, z-series enhancements).

Problem Management & Troubleshooting:

·        Diagnose and resolve system-related issues, including system abends and failures.

·        Perform root cause analysis for outages and major incidents.

·        Work with IBM and vendors on problem determination and fixes.

Automation & Scheduling:

·        Develop and maintain automation using tools such as:

o   System REXX, CLIST

o   SA z/OS, NetView

·        Support job scheduling tools (e.g., CA7, Control-M where applicable).

Security & Compliance:

·        Support system-level security configurations aligned with RACF policies.

·        Ensure compliance with audit, regulatory, and enterprise security standards.

·        Assist in vulnerability remediation and patching activities.

Change & Release Management:

·        Execute changes through ITIL-based processes (ServiceNow or equivalent).

·        Prepare implementation plans, backout procedures, and validation steps.

·        Support weekend maintenance windows and IPL activities.

Documentation:

·        Create and maintain technical documentation, including:

o   System configurations

o   Standard Operating Procedures (SOPs)

o   Disaster Recovery plans 

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