Demo

Software Engineer III

Mercury Systems
Saddle River, NJ Full Time
POSTED ON 1/5/2026
AVAILABLE BEFORE 3/7/2026

Job Summary:

Join a small, collaborative team of interdisciplinary engineers, continuously developing cutting edge products within Mercury Systems' Signal Technology - Mixed Signal business unit. In this role, you'll contribute to the development of embedded systems using state-of-the-art components and technologies. It's an excellent opportunity for an experienced software, electrical, or firmware engineer with strong C programming skills who thrives on solving complex technical challenges in a collaborative environment.

Job Responsibilities:

  • Create software drivers, applications, and technical documentation for sophisticated data acquisition hardware
  • Work with design team to bring-up and test hardware products
  • Work with hardware and firmware engineers to identify, diagnose, and fix technical problems
  • Build automated tests that ensures quality throughout the manufacturing process
  • Work directly with our customers to help them successfully integrate our hardware and software products
  • Support verification team in the development of device verification tests to verify product capabilities and requirements
  • Communicate project status and risks to management

Required Qualifications:

  • Typically requires Bachelor of Science degree in Electrical, Computer Engineering or related degree.
  • Typically requires a minimum of 4 years' of related work experience
  • Extensive experience in low-level driver and embedded development
  • Proficient experience with C programming
  • Experience with complex systems from documentation, block diagrams, electrical schematics, and source code.
  • Experience with real-time systems including hardware driven DMAs, FIFOs and circular buffers.
  • Experience troubleshooting with oscilloscope, spectrum analyzer, and signal generator.
  • Experience with basic signals/systems theory.
  • Experience with software engineering tools and practices like source control, unit testing, build automation, continuous integration Capture system specifications and performance requirements.

Preferred Qualifications:

  • Proficiency with basic networking/system administration
  • Utilize tools such as GIT, Jenkins, Eclipse, and Vitis
  • HDL or Verilog knowledge or experience
  • Strong written and verbal communication skills
  • Familiar with programming I2C, SPI, PCIe, RS232, and Ethernet Interfaces
  • Knowledge of a high-level/scripting language (Java, Python, Perl, Matlab, etc.)
  • Familiar with the Linux operating systems including the build and configuration process

Location:

  • This position is full time on-site at our Saddle River, NJ location.
  • We will consider candidates in Huntsville, AL with the right experience.
  • Enjoy every other Friday off with our 9/80 work schedule.

This position requires you to access information that is subject to U.S. export regulations. You may only access such information if you are a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. government.

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Requirements:

Why should you join Mercury Systems?

Mercury Systems is a technology company that makes the world a safer, more secure place. We push processing power to the tactical edge, making the latest commercial technologies profoundly more accessible for today's most challenging aerospace and defense missions. From silicon to system scale, Mercury enables customers to accelerate innovation and turn data into decision superiority. Headquartered in Andover, Massachusetts, Mercury employs more than 2,300 people in 24 locations worldwide. To learn more, visit

Our Culture

We are committed to making Mercury a great place to work, no matter where our employees are located. We offer a casual and enjoyable atmosphere that allows employees to learn and grow. We help and care for one another and work as one to achieve results for us and for our customers. We value communication and transparency, and strive to foster two-way dialogue at all levels of the organization. We are committed to lifelong learning, offering comprehensive skills training and tuition reimbursement. Whether you're just starting out on your career journey or you are an experienced professional, it's important to us that you feel recognized and rewarded for your contributions.

To find out more about Why Mercury?, or visit the Mercury Community or find answers to general questions at Mercury FAQs

Mercury Systems is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex (including pregnancy), sexual orientation, gender identity, national origin, genetic information, creed, citizenship, disability, protected veteran or marital status.

As an equal opportunity employer, Mercury Systems is committed to a diverse workforce. In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Veterans' Readjustment Act of 1974, and Title I of the Americans with Disabilities Act of 1990, applicants that require accommodation in the job application process may contact the number below for assistance.

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Salary.com Estimation for Software Engineer III in Saddle River, NJ
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