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Senior Systems Software Engineer Jobs in Milpitas, CA

Sr. Systems Software Engineer

Fremont, CA · On-site

$175K - $195K/yr

As a Senior Systems Software Engineer at TCI, you will contribute to the design and development of advanced RF signal acquisition, processing, analysis, and direction-finding systems used for ...

As a Senior Systems Software Engineer at TCI, you will contribute to the design and development of advanced RF signal acquisition, processing, analysis, and direction-finding systems used for ...

Senior Systems Software Engineer - QoS

Santa Clara, CA · On-site

$143K - $189K/yr

We're looking for a Senior Systems Software Engineer with strong C++ experience and familiarity with streaming technologies. You will help to improve the quality of experiences for GeForce Now and ...

Senior Systems Software Engineer - QoS

Santa Clara, CA · On-site

$143K - $189K/yr

We're looking for a Senior Systems Software Engineer with strong C++ experience and familiarity with streaming technologies. You will help to improve the quality of experiences for GeForce Now and ...

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Showing results 1-20

Senior Systems Software Engineer information

See Milpitas, CA salary details

$102K

$157.7K

$220.8K

How much do senior systems software engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for senior systems software engineer in Milpitas, CA is $157,663.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,500.00 and $186,500.00 per year, depending on experience, location, and employer.

What is a senior systems software engineer?

A Senior Systems Software Engineer is an experienced professional who designs, develops, and maintains system-level software such as operating systems, embedded systems, and network protocols. They are responsible for ensuring that software interacts efficiently with hardware, optimizing performance, and troubleshooting complex issues. Senior engineers often lead technical projects, mentor junior team members, and collaborate with cross-functional teams to deliver robust software solutions.

What are the key skills and qualifications needed to thrive as a senior systems software engineer?

To thrive as a Senior Systems Software Engineer, you need deep expertise in computer science, operating systems, and programming languages like C/C++, often supported by a relevant degree and extensive experience. Familiarity with version control systems (e.g., Git), build automation tools, and debugging/profiling utilities is typically required, and certifications in systems programming or cloud platforms can be advantageous. Exceptional problem-solving, collaboration, and communication skills set standout engineers apart by enabling them to navigate complex systems and coordinate effectively with cross-functional teams. These skills are vital for building robust, efficient software solutions that meet business and technical requirements in demanding environments.

What are some common challenges faced by senior systems software engineers and how can they be addressed?

Senior Systems Software Engineers often encounter challenges such as integrating legacy systems with modern technologies, optimizing system performance under tight resource constraints, and ensuring robust security in complex environments. These challenges can be addressed by staying current with industry best practices, collaborating closely with cross-functional teams (like DevOps and Security), and regularly participating in code reviews and architecture discussions. Leveraging automation tools and maintaining thorough documentation also help in efficiently managing and scaling large, distributed systems.

What cities near Milpitas, CA are hiring for Senior Systems Software Engineer jobs?

Cities near Milpitas, CA with the most Senior Systems Software Engineer job openings:

Infographic showing various Senior Systems Software Engineer job openings in Milpitas, CA as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 14% Part Time, 4% Contract, and 1% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $157,663 per year, or $75.8 per hour.

Sr. Systems Software Engineer

SPX

Fremont, CA • On-site

$175K - $195K/yr

Full-time

Medical, Retirement, PTO

Posted 22 days ago


Job description

Building the people that build the world.

With platforms in HVAC and Detection and Measurement, SPX Technologies builds innovative solutions that enable a safer, more efficient, sustainable world.  Through our RiSE talent development framework, we Reach, Identify, Strengthen, and Engage our employees to support them in their continued development.  We're a global company of problem solvers, collaborators, and innovators, and our businesses build solutions that impact the world. 

As part of Detection and Measurement, TCI is a global leader in innovative spectrum monitoring and communications intelligence (COMINT) systems.  With solutions to ensure the efficient use of frequencies, long distance communications, monitoring and security communications intelligence applications, we improve communications and protect military forces and infrastructure around the world.

How you will make an Impact (Job Summary)

SPX is a diverse team of unique individuals who all make an impact. As a Senior Systems Software Engineer at TCI, you will contribute to the design and development of advanced RF signal acquisition, processing, analysis, and direction-finding systems used for spectrum monitoring and communications intelligence applications. You will work with multidisciplinary engineering teams to develop software that transforms complex RF and signal-processing concepts into high-performance products used by customers worldwide.

What you can expect in this role (Job Responsibilities)

While each day brings new opportunities at SPX, your core responsibilities will be:

  • Design, develop, and maintain embedded and real-time software for RF and signal-processing systems.
  • Enhance existing products and develop new capabilities across TCI's product portfolio.
  • Collaborate closely with systems, hardware, test, and software engineers to deliver integrated product solutions.
  • Support system integration, performance analysis, troubleshooting, and field issue resolution.
  • Participate in software architecture, technical trade-off analysis, and design reviews.
  • Contribute technical expertise in signal processing, RF systems, and software implementation.

What we are looking for (Experience, Knowledge, Skills, Abilities, Education)

We each bring something to the table, and we are looking for someone who has:

Required Experience

  • 6+ years of relevant product development experience.
  • Strong foundation in digital signal processing (DSP), RF communications systems, receiver architecture, signal detection, and signal analysis.
  • Strong C++ software development skills with experience developing complex software systems.
  • Experience developing multi-threaded software.
  • Strong analytical, problem-solving, and communication skills.

Preferred Knowledge, Skills, and Abilities

  • Experience developing software in Windows and/or Linux environments.
  • Experience with inter-process and inter-core communication.
  • Experience with Software Defined Radio (SDR) platforms.
  • Experience with spectrum monitoring, direction finding, and geolocation.
  • Experience with FPGA-based signal-processing systems.
  • Experience with Python, MATLAB, or similar engineering tools.
  • Familiarity with modern source-control, CI/CD, and automated test practices.

Education & Certifications

  • MS in Electrical Engineering, Computer Engineering, Computer Science, or a related discipline with emphasis in Digital Signal Processing (DSP), RF Communications, Wireless Communications, Signal Analysis, or related fields. A PhD is preferred. A BS with substantial directly relevant experience will also be considered.
  • Must be a U.S. citizen or Permanent Resident (uncondition) to meet faciltiy ITAR compliance requirements

The compensation information that follows is a reasonable estimate for the position and is provided pursuant to legal requirements in this state.   The salary estimate provided represents the typical salary range for the position, and other factors may be used to determine the successful candidate's actual salary, including: skill set, experience, training, education, organizational needs, internal equity, market data, and geographic zone.   The estimated salary range for this position is: $175,000 - $195,000.   At SPX, it is not common for individuals to be hired at the higher end of the range, and compensation decisions depend on a variety of factors.   This role is eligible to participate in a discretionary bonus plan, subject to the rules governing the plan.  SPX offers a variety of benefits, including health benefits, 401k retirement with a company match, and flexible time off.   More information about our benefits can be found on the "Rewards and Benefits" section of the career page.

How we live our culture

Our culture is at the center of what we do and, more importantly, who we are.  Our core values set a standard for how we manage ourselves, and our Leadership Model sets the standard for how we engage with each other.  Whether you are an individual contributor or you lead a large team, each of us leads at SPX.  

What benefits do we offer?

We know that the well-being of our employees is integral. Our benefits include:

  • Generous and flexible paid time off including paid personal time off, caregiver, parental, and volunteer leave
  • Competitive health insurance plans and 401(k) match, with benefits starting day one
  • Competitive and performance-based compensation packages and bonus plans
  • Educational assistance, leadership development programs, and recognition programs  

Our commitment to embrace diversity to build a culture of inclusion at SPX

We value different backgrounds, experiences, and voices at SPX, and we are committed to challenging ourselves, openly communicating, and striving to improve every day.  We believe in creating an inclusive work environment where everyone has a voice and is encouraged to realize their fullest potential. 

SPX is an affirmative action and equal opportunity employer committed to making selection decisions without regard to race, color, religion, sex, sexual orientation or identity, national origin, age, disability, veteran status, or any other legally protected basis.