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Operating System Engineer Jobs in Fontana, CA (NOW HIRING)

Onterris

Water Treatment System Operator

Corona, CA

$25/hr

Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines ... We are looking for a full-time Water Treatment System Operator , who will work directly on ...

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All JobsOperating System Engineer JobsOperating System Engineer Jobs in Fontana, CA

Operating System Engineer information

See Fontana, CA salary details

$54.4K

$129.3K

$169.8K

How much do operating system engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for operating system engineer in Fontana, CA is $129,332.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,600.00 and $159,600.00 per year, depending on experience, location, and employer.

What does an operating system engineer do?

An Operating System Engineer is responsible for designing, developing, maintaining, and optimizing operating systems that run on computers and servers. They work on the core components that manage hardware resources, enable software applications, and ensure system security and stability. Their duties often include writing system-level code, troubleshooting performance issues, implementing updates, and collaborating with hardware and software teams. Operating System Engineers play a critical role in ensuring that computing environments are efficient, reliable, and secure.

What are the key skills and qualifications needed to thrive as an operating system engineer?

To thrive as an Operating System Engineer, you need a deep understanding of computer science principles, operating system internals, and strong programming skills in languages like C, C++, or Rust, often backed by a relevant degree. Familiarity with kernel development, debugging tools, virtualization platforms, and experience with version control systems (such as Git) are typically required. Problem-solving abilities, attention to detail, and effective communication are soft skills that set top performers apart. These skills ensure the reliability, performance, and security of operating systems, which are foundational to all computing environments.

What are some common challenges faced by operating system engineers when maintaining system stability in large-scale environments?

Operating System Engineers often encounter challenges such as managing software patching across diverse hardware, ensuring compatibility with legacy applications, and minimizing downtime during critical updates. In large-scale environments, balancing security with performance and reliability can be complex, especially when multiple teams depend on the systems. Effective communication with development, security, and IT operations teams is essential to address these issues proactively and maintain overall system stability.

What is the difference between Operating System Engineer vs System Administrator?

AspectOperating System EngineerSystem Administrator
Primary FocusDesigning, developing, and optimizing operating systemsMaintaining, configuring, and supporting existing systems
Skills & CertificationsLinux/Unix, scripting, OS architecture, certifications like RHCE or Linux FoundationSystem management, network setup, troubleshooting, certifications like CompTIA Server+ or Microsoft Certified
Work EnvironmentDevelopment teams, R&D, engineering projectsIT support, data centers, enterprise environments
Industry UsageTech companies, hardware firms, software developmentCorporate IT, government agencies, healthcare, finance

While both roles involve working with operating systems, Operating System Engineers focus on designing and developing OS solutions, whereas System Administrators manage and support existing systems. The roles complement each other but serve different stages of the system lifecycle.

What are popular job titles related to Operating System Engineer jobs in Fontana, CA?

For Operating System Engineer jobs in Fontana, CA, the most frequently searched job titles are:

What cities near Fontana, CA are hiring for Operating System Engineer jobs?

Cities near Fontana, CA with the most Operating System Engineer job openings:

Operating System Engineer jobs near you
Infographic showing various Operating System Engineer job openings in Fontana, CA as of June 2026, with employment types broken down into 96% Full Time, 2% Contract, and 2% Nights. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $129,332 per year, or $62.2 per hour.

Senior Systems Engineer, SATCOM and RF Connectivity

RAVE Aerospace LLC

Brea, CA • On-site

$112K - $127K/yr

Full-time

Medical, Retirement, PTO

Re-posted 20 days ago

Job description

The Senior Systems Engineer, SATCOM and RF Connectivity performs system-level engineering across the lifecycle of the company's satellite communications and In-Flight Connectivity (IFC) products, with a primary technical focus on satellite communications and the end-to-end RF signal chain. Core responsibilities include requirements definition and verification, system and sub-system design and analysis, use-case development, and interface definition spanning the aircraft terminal, antenna, modem, and connecting space and ground segments. The role serves as a senior technical authority and the principal point of reference, both internally and externally, including customers, managed service providers, and service providers. The Senior Systems Engineer is also responsible for the preparation, maintenance, and configuration control of associated technical documentation.
Responsibilities
  • Translate customer and business needs into verifiable system, subsystem, and equipment requirements, and maintain traceability across all requirement levels
  • Develop and maintain system architectures, requirements, use cases, and interfaces for SATCOM and In-Flight Connectivity (IFC) solutions across GEO, MEO, and LEO networks and Ka-band operation
  • Perform system and subsystem design, analysis, and verification to ensure requirements are met, including RF link budgets and key performance parameters (EIRP, G/T, C/N₀, Eb/N₀, throughput, and capacity)
  • Analyze RF chain and antenna performance, including electronically and mechanically steered antennas, beam and satellite handover, pointing/tracking, polarization/skew, and adjacent satellite interference (ASI) and regulatory mask compliance
  • Lead SATCOM, RF, networking, and connectivity trade studies and technical evaluations, assessing architecture, hardware, and waveform options (e.g., DVB-S2X) against performance, weight, power, cost, and certification constraints
  • Collaborate with customers, suppliers, satellite operators, service providers, and cross-functional teams to develop and integrate connectivity solutions
  • Participate in technical reviews, risk assessments, and verification activities throughout the product lifecycle
  • Prepare and maintain system documentation, including requirements, design descriptions, interface control documents (ICDs), and interconnect diagrams
  • Support system integration, troubleshooting, and issue resolution during development, laboratory and ground testing, flight test, and deployment
  • Provide technical leadership for assigned projects and work packages
  • Serve as a technical subject matter expert for SATCOM and RF connectivity products
  • Mentor junior engineers and promote systems engineering best practices
  • Evaluate emerging technologies, including multi-orbit and software-defined networking concepts, and contribute to continuous improvement initiatives
  • Perform other job-related duties as assigned

Requirements
  • Bachelor's degree in electrical engineering, Aerospace Engineering, Systems Engineering, Computer Engineering, or related technical discipline; equivalent experience considered.
  • 6+ years of experience in Systems Engineering, preferably supporting aerospace, avionics, SATCOM, wireless communications, or connectivity products.
  • Experience developing, managing, and verifying system, subsystem, and interface requirements throughout the product lifecycle.
  • Working knowledge of SATCOM, RF communications, and In-Flight Connectivity (IFC) systems, including satellite link analysis, antenna systems, and modem/RF chain design.
  • Understanding of IP networking concepts including routing, switching, network protocols, and connectivity architectures.
  • Experience collaborating with customers, suppliers, and cross-functional engineering teams on complex technical programs.
  • Experience with requirements management, Application Lifecycle Management (ALM), and/or Model-Based Systems Engineering (MBSE) tools such as Cameo is preferred.
  • Experience managing multi-level requirements sets and requirements traceability is preferred.
  • Familiarity with aircraft integration concepts, avionics systems, or aerospace certification environments (e.g., DO-160, DO-178C, DO-254, STC) is preferred.
  • Familiarity with multi-orbit constellations (LEO/MEO), beam/satellite handover, and ground network integration is preferred.
  • Experience with AutoCAD or similar drafting tools for system and installation documentation is preferred.
  • INCOSE certification or demonstrated application of Systems Engineering best practices is desired

Benefits
The starting pay range for this position is $112,000 to $127,000 per year however, the base pay offered may vary depending on the level of the position, skills, experience, job-related knowledge, and location.
In addition to a comprehensive package of health benefits that include company contributions, RAVE Aerospace offers a variety of additional benefits and perks to enhance your work-life balance experience, including but not limited to:
  • A home allowance to elevate your home workspace
  • Discretionary bonus program
  • Future financial security with a 401(k) program with company match
  • Paid time off covering vacations, personal time off and sick days, capped off by an exciting year-end holiday shutdown
  • Embraced flexibility with our alternative work schedule (9/80) to navigate your workweeks with every other Friday off

Apply