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On Call Operating System Developer Jobs in Tucson, AZ

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

... DevOps * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

... DevOps * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

... DevOps * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

... DevOps * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with ...

Raytheon Technologies

Senior System Administrator

Tucson, AZ · On-site

$81K - $110K/yr

... DevOps * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

... DevOps * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

... DevOps * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with ...

Raytheon Technologies

Senior System Administrator

Tucson, AZ · On-site

$81K - $110K/yr

... DevOps * Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with ...

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On Call Operating System Developer information

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$46

$72

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

As of Jul 16, 2026, the average hourly pay for on call operating system developer in Tucson, AZ is $46.20, according to ZipRecruiter salary data. Most workers in this role earn between $39.09 and $54.09 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 Tucson, AZ are hiring for On Call Operating System Developer jobs? Cities near Tucson, AZ with the most On Call Operating System Developer job openings:
On Call Operating System Developer jobs near you
Principal System Administrator- Tucson, AZ

Principal System Administrator- Tucson, AZ

Raytheon

Tucson, AZ • On-site

Full-time

Posted 21 days ago

Raytheon rating

9.1

Company rating: 9.1 out of 10

Based on 96 frontline employees who took The Breakroom Quiz

3rd of 528 rated manufacturers

Job description

Job Summary:
Raytheon is a company dedicated to helping the nation and allies defend freedoms and deter aggression. The Principal System Administrator role involves providing IT systems administration in a heterogeneous environment, collaborating with teams to support critical programs with classified information system capabilities.
Responsibilities:
• Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
• Lead and coordinate the Red Hat Installation and configuration.
• Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support
• Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
• Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
• Understanding data RAID, data backup uses and technologies. Install and configure software applications requested by end users.
• Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification).
• Must be able to develop solutions and documentation to deal with a variety of technical problems.
• Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
• Travel required up to 5%
• Full time 100% Onsite position
• Start date will not be set until Interim clearance issued.
Qualifications:
Required:
• Typically requires a bachelor’s degree and minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience
• Must be able to obtain transferable U.S. government issued secret clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Start date will be set once Interim clearance is issued
• Must have Linux or Windows experience
• Experience in one of the following: Active Directory, VMware, MySQL, networking administration experience.
Preferred:
• An active DoD TS/SCI
• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)
• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF
• In-depth working experience in Windows Server
• Experience with data storage, NAS, and SAN technologies and solutions
• Experience with using Information Technology project lifecycle management processes.
• Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
• Experience supporting engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, SMECP, and/or Exchange
• High Performance Computing (HPC) experience in a Linux environment
• Scripting Experience
Company:
Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible. Founded in 1948, the company is headquartered in Waltham, USA, with a team of 10001+ employees. The company is currently Late Stage.

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