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Systems Software Engineer Jobs in Seattle, WA (NOW HIRING)

Systems Software Engineer I

Renton, WA ยท On-site

$194K - $230K/yr

Assists higher level Systems Software Engineers in the commissioning and troubleshooting of local and wide area networks. * Assists higher level Systems Software Engineers in the utilization of ...

... Systems, Computer Engineering or equivalent experience. โ€ข 8+ years of professional experience. โ€ข 3-5 years of hands-on experience in large-scale software development using modern languages and ...

... Systems, Computer Engineering or equivalent experience. * 8+ years of professional experience. * 3-5 years of hands-on experience in large-scale software development using modern languages and ...

Meta is seeking a Software Systems Engineer to join our Production Systems Engineering organization, where you will work at the intersection of software and large-scale hardware infrastructure. In ...

Software Systems Engineer

Bellevue, WA ยท On-site

$144K - $204K/yr

Meta is seeking a Software Systems Engineer to join our Production Systems Engineering organization, where you will work at the intersection of software and large-scale hardware infrastructure. In ...

... systems in data centers. Description The Cloud OS System Software Team is looking for an ... We are seeking a skilled Software Engineer to join our System Software Team focused on optimizing ...

Software Systems Engineer

Bellevue, WA ยท On-site

$195K - $231K/yr

Meta is seeking a Software Systems Engineer to join our Production Systems Engineering organization, where you will work at the intersection of software.

Software Engineer, Systems

Seattle, WA

$197K - $233K/yr

Software Engineer We're looking for a software engineer who loves to build high performance data processing systems. Our customers are scaled up companies who send complex, semi-structured data which ...

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Systems Software Engineer information

See Seattle, WA salary details

$94.5K

$202.2K

$234.4K

How much do systems software engineer jobs pay per year?

As of Jun 10, 2026, the average yearly pay for systems software engineer in Seattle, WA is $202,246.00, according to ZipRecruiter salary data. Most workers in this role earn between $196,900.00 and $233,300.00 per year, depending on experience, location, and employer.

What Is a Systems Software Engineer?

A systems software engineer designs and creates computer software. Job duties include installing, testing, and maintaining computer systems software. They may also troubleshoot draft performance requirements and specifications for new software. To be successful in this career, you must be knowledgeable about computer hardware and software. Systems software engineers who work remotely may be required to provide online support. Similar jobs titles include systems software developer and systems developer.

How does a Systems Software Engineer typically collaborate with hardware engineers and other technical teams?

Systems Software Engineers often work closely with hardware engineers to ensure that software integrates seamlessly with physical components. This collaboration may involve participating in cross-functional meetings, debugging issues at the hardware-software interface, and jointly optimizing system performance. Additionally, they coordinate with quality assurance and product teams to align on requirements, test plans, and release schedules. Effective communication and teamwork are essential, as resolving complex, system-level challenges often requires input from multiple technical disciplines.

What are the key skills and qualifications needed to thrive as a Systems Software Engineer, and why are they important?

To thrive as a Systems Software Engineer, you need strong programming skills (typically in C, C++, or Rust), a deep understanding of operating systems, and a degree in computer science or a related field. Familiarity with tools like Git, build systems (e.g., Make, CMake), kernel development environments, and sometimes relevant certifications (such as Linux Foundation Certified Engineer) is typical. Analytical thinking, problem-solving abilities, and effective teamwork are essential soft skills that help you excel in complex, collaborative projects. These skills and qualities are crucial to designing robust, efficient system-level software that meets performance, reliability, and security standards.

What is the difference between Systems Software Engineer vs Software Developer?

AspectSystems Software EngineerSoftware Developer
Primary FocusDesigning and developing system-level software, operating systems, and firmwareCreating applications, websites, and user-facing software
Required SkillsLow-level programming (C, C++), OS concepts, hardware interactionHigh-level programming (Java, Python, JavaScript), UI/UX design
Work EnvironmentOften in hardware or OS teams, embedded systems, or infrastructureApplication development teams, web or mobile app projects
CertificationsTypically none required, but Linux or OS certifications can helpOften certifications like Java, AWS, or specific language certifications

While both roles involve software development, Systems Software Engineers focus on system-level and hardware-interfacing software, whereas Software Developers create user-facing applications. The roles overlap in programming skills but differ in scope and environment.

What are Systems Software Engineers?

Systems Software Engineers are professionals who design, develop, test, and maintain the underlying software that enables computer hardware and application software to function effectively. They work on operating systems, device drivers, embedded systems, and other foundational platforms, ensuring system stability, security, and performance. Their role often involves low-level programming, optimizing system resources, and collaborating with hardware engineers to create seamless integration between software and hardware components.
More about Systems Software Engineer jobs
Systems Software Engineer I

Systems Software Engineer I

Sunbelt Controls

Renton, WA โ€ข On-site

$194K - $230K/yr

Other

Posted 7 days ago


Job description

JOB SUMMARY:ย 
The position requires the individual to apply their basic technical knowledge and any prior experience for the support of project start up, commissioning and troubleshooting activities.ย  In addition, this position will be responsible for field assisting of engineering, programming, graphics and closeout documentation activities for each project.

The position requires a basic and proficient level of computer skills and understanding of computer-operated systems. Additionally, the individual is required to closely interact with the Project Manager and/or assigned Project Engineer in the timely completion of each project.ย  This role will also be responsible at times for hardware design tasks to allow for continued exposure and development in more sophisticated and larger system applications.

ESSENTIAL FUNCTIONS:

  • Assistance in the startup and commissioning activities of basic/zone control systems designed and programmed by others.
  • Performs and validates the execution of the initial systems point-to-point commissioning activities
  • Assists higher level Systems Software Engineers in the commissioning and troubleshooting of local and wide area networks.
  • Assists higher level Systems Software Engineers in the utilization of computer hardware and software to support pre-functional testing of the system software code in relationship to the design sequence of operations.
  • Supports final systems functional testing as required by the project team.
  • Performs basic program and graphics modification and hardware applications designs.
  • Initiates and tracks project checkout documentation and as-built conditions for submission to the assigned Project Manager.
  • Ability to manage time and costs budgets for assigned project tasks as delegated by the Project Manager or higher level Systems Software Engineer.
  • Communicates effectively with all other project team members concerning problems, obstacles, issues and information needs from the field.
  • Communicates effectively to submit daily and/or weekly summary of work reports to the project team leadership.
  • Manages weekly time allocations to multiple assigned projects for on-time weekly submission of the individual's time sheet.
  • Maintains regular in-office presence when not on a job site, providing necessary support and coordination for ongoing projects and team collaboration.
  • Responsible for practicing safe work habits and participates in office safety program requirements and that of any specific safety requirements of all assigned projects.
  • Attends and successfully completes the OSHA 10 and OSHA 30 safety training classes.
  • Takes personal responsibility for the successful completion of any assigned formal training and development plans

EDUCATION AND EXPERIENCE:ย 

  • Associates degree in a technical field or 2-5 years of related work experience in building automation systems.ย  Bachelor's degree in Mechanical or Electrical Engineering preferred.
  • Strong mechanical aptitude and any technical school training.
  • Working knowledge of MS Office, Windows, File Structure.ย  Basic TCP/IP network structure and web navigation are desired.
  • Must be highly organized and possess the ability to work in a high paced environment with the ability to prioritize tasks to meet the schedules given by Sunbelt leadership.
  • Has the ability to operate independently and autonomously and take ownership of all assigned tasks.
    Must possess a valid driver's license.
  • Ability to execute their work to ensure high customer satisfaction and the highest quality deliverable.
  • Excellent oral, written and interpersonal skills are a requirement of this position.

COMPETENCIES:

  • Proactivity / Initiative:ย Recognizes what needs to be done and accomplishes it in a manner appropriate for one's level/position and with minimal supervision.
  • Perseverance:ย Shows the wherewithal to fight for difficult goals despite challenges and to bounce back from adversity.
  • Insight:ย The ability to gather and make sense of information that suggests new possibilities.
  • Engagement:ย Shows a knack for using emotion and logic to communicate a persuasive vision and connect with people.
  • Teamwork:ย The ability to effectively work toward common goals with others by supporting, encouraging, and sharing information in an authentic and approachable manner.
  • Big Picture:ย Understands and contributes to organizations' short- and long-term business strategy.ย ย On a personal level has independently developed a vision for short- and long-term career success.
  • Motivation / Dedication:ย Commits to excellence in pursuing unselfish goals.ย ย Initiates action with collective goals takes responsibility and shows personal humility.
  • Technical Curiosity / Willingness to Learn:ย Interest in seeking out new experiences, knowledge, and candid feed, back; demonstrating an openness to learning and change.
  • Problem-Solver:ย Ability to identify, analyze, and solve a problem in support of personal, group, department, or organizational objectives.

PHYSICAL REQUIREMENTS:

(The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.)

  • Must regularly lift and /or move up to 30 pounds, frequently lift and/or move up to 50 pounds and occasionally lift and/or move up to 100 pounds.
  • While performing the duties of this Job, the employee is regularly required to stand; walk; use hands to finger, handle, or feel and reach with hands and arms.ย 
  • Specific vision abilities required by this job include Close vision and Ability to adjust focus.
  • The employee is frequently required to sit and talk or hear.ย 
  • The employee is occasionally required to climb or balance and stoop, kneel, crouch, or crawl.
  • The noise level in the work environment is usually moderate.
  • You are a responsible person with the ability to multi-task. You understand that regular & routine attendance is required.

Sunbelt Controls is a premier provider of building automation system solutions and services for a wide portfolio of clients across the Western United States. We provide BAS solutions that are comprehensive, ranging from new construction installation and system retrofits to preventative service, data analytics and fault detection diagnostics. We lead the industry with building control products and solutions that reduce energy and operational cost across several vertical markets, including office buildings, data centers, healthcare, education, and biotech/pharmaceutical.
We deliver value to our clients by utilizing emerging technologies to create smarter buildings through our professional solutions, services, experiences, and ingenuity. Our employees are comprised of intelligent, dedicated, and entrepreneurial team members who put customers first and enjoy what they do. We believe there is a better way... to grow professionally, to partner and deliver a project. If you are ready for new challenges and new opportunities, come join our team!
What's great about working at Sunbelt Controls is that we're a big enough company to be a leader in Automated Controls contracting in California, the Pacific Northwest, and the Southwest U.S., but as a 100% employee-owned ESOP, we're a private company with a family-oriented feel. Together, the employees of Sunbelt Controls are comprised of intelligent, dedicated, and entrepreneurial team members who put customers first and enjoy what they do.

SUNBELT CONTROLS IS AN EQUAL OPPORTUNITY EMPLOYER AA M/F/V/D. ย 

We proudly hire U.S. Military Veterans, and those qualified are encouraged to apply.

Equal Employment Opportunity is The Law.|Pay Transparency Nondiscrimination Provision

Sunbelt Controls will consider qualified applicants with criminal histories for employment.

At this time, Sunbelt Controls is unable to provide visa sponsorship.