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Freelance Signal Integrity Engineer Jobs (NOW HIRING)

Sr. Signal Integrity Engineer

Nashua, NH ยท On-site

$168K/yr

Senior Signal Integrity Engineer Location: Nashua, NH Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market ...

Signal Integrity Engineer

Oregon, IL ยท On-site

$156K/yr

Bachelor's or Master's degree in Electrical Engineering or a related technical discipline. * 2-5 years of experience in Signal Integrity, High-Speed Digital Design, Hardware Engineering, or related ...

Bachelor's or Master's degree in Electrical Engineering or a related technical discipline. * 2-5 years of experience in Signal Integrity, High-Speed Digital Design, Hardware Engineering, or related ...

Signal Integrity Engineer

Austin, TX ยท On-site

$100K - $500K/yr

Tenstorrent is seeking a Signal Integrity Engineer to join our growing team. The ideal candidate will have a wealth of exposure designing high speed interconnects, breakout design, material trade ...

Sr. Signal Integrity Engineer

Lisle, IL ยท On-site

$164K/yr

Your Job We are seeking a highly skilled Senior Signal Integrity (SI) Engineer to lead the measurement, analysis, and validation of high-speed digital and RF interconnects, including connectors ...

New

Signal Integrity Engineer

Fremont, CA ยท On-site

$182K/yr

The company co-innovates with deep engineering expertise, treating customer success as its own while building tomorrow's digital infrastructure. Key Responsibilities Signal Integrity Analysis

Signal Integrity Engineer

San Francisco, CA ยท On-site

$225K - $445K/yr

About the Role We're looking for signal integrity (SI) system design engineers who have a deep expertise in the SI area, and hold strong system level design knowledge This role is based in San ...

Signal Integrity Engineer

Wayne, PA ยท On-site

$151K/yr

Cornelis Networks is hiring a talented Signal Integrity (SI) Engineer with some experience in system and printed circuit board (PCB) development and design. The SI engineer will be involved in the ...

Signal Integrity Engineer

Wayne, PA ยท On-site

$151K/yr

Cornelis Networks is hiring a talented Signal Integrity (SI) Engineer with some experience in system and printed circuit board (PCB) development and design. The SI engineer will be involved in the ...

Signal Integrity Engineer

Wayne, PA ยท On-site +1

$151K/yr

Cornelis Networks is hiring a talented Signal Integrity (SI) Engineer with some experience in system and printed circuit board (PCB) development and design. The SI engineer will be involved in the ...

Showing results 21-40

Freelance Signal Integrity Engineer information

See salary details

$127.5K

$168.5K

How much do freelance signal integrity engineer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for freelance signal integrity engineer in the United States is $166,304.00, according to ZipRecruiter salary data. Most workers in this role earn between $167,000.00 and $167,000.00 per year, depending on experience, location, and employer.

What is a freelance signal integrity engineer?

Freelance signal integrity engineers are independent professionals who specialize in analyzing and optimizing the integrity of electrical signals in electronic circuits, especially in high-speed digital systems. They work on a contract basis for various clients, often assisting with PCB layout, simulation, troubleshooting, and ensuring reliable data transmission. Their expertise helps prevent issues like signal loss, crosstalk, and electromagnetic interference, which are critical for the performance of modern electronic devices.

What are the key skills and qualifications needed to thrive as a freelance signal integrity engineer?

To thrive as a Freelance Signal Integrity Engineer, you need a solid background in electrical engineering, signal integrity analysis, and high-speed PCB design, often supported by a relevant engineering degree. Proficiency with simulation tools like HyperLynx, Ansys HFSS, and oscilloscopes, as well as experience with industry standards, is typically required. Strong problem-solving skills, clear communication, and the ability to work independently help set top freelancers apart. These competencies ensure accurate analysis, effective client interactions, and the delivery of reliable high-speed system designs.

What is the difference between Freelance Signal Integrity Engineer vs RF Design Engineer?

AspectFreelance Signal Integrity EngineerRF Design Engineer
CredentialsTypically requires a degree in electrical engineering, certifications in signal integrity or high-speed designRequires a degree in electrical engineering, specialized RF or microwave certifications often preferred
Work EnvironmentFreelance, project-based, remote or on-site consultingFull-time or contract, often in R&D labs, manufacturing, or design firms
Industry UsageUsed across electronics, telecommunications, aerospace industriesPrimarily in wireless, telecommunications, and RF equipment industries

While both roles require electrical engineering expertise, Freelance Signal Integrity Engineers focus on ensuring high-speed digital signals are maintained without interference, often working independently. RF Design Engineers specialize in designing radio frequency circuits and systems, often within corporate teams. The key difference lies in their specialization areas and typical work settings.

What are some common challenges faced by freelance signal integrity engineers when working with multiple clients simultaneously?

Freelance signal integrity engineers often juggle projects from several clients at once, which can present challenges such as managing conflicting deadlines, adapting to different design standards, and ensuring clear communication with diverse teams. Each client may use unique tools, workflows, or documentation practices, requiring quick adaptability and strong organizational skills. To succeed, it's important to set clear expectations upfront, use effective project management methods, and maintain a consistent communication routine to avoid misunderstandings and deliver high-quality results.
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What cities are hiring for Freelance Signal Integrity Engineer jobs?

Cities with the most Freelance Signal Integrity Engineer job openings:

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What states have the most Freelance Signal Integrity Engineer jobs?

States with the most job openings for Freelance Signal Integrity Engineer jobs include:

Infographic showing various Freelance Signal Integrity Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $166,304 per year, or $80 per hour.

Sr. Signal Integrity Engineer

Amphenol HSIO

Nashua, NH โ€ข On-site

$168K/yr

Full-time

Re-posted 2 hours ago


Job description

Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, is a world leader in interconnect solutions for Communications, Mobile, RF, Optics, and Commercial electronics markets. Amphenol Corporation is one of the world’s largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable. ACS has an expansive global presence in research and development, manufacturing, and sales. We design and manufacture a wide range of innovative connectors as well as cable assemblies for diverse applications including server, storage, data center, mobile, RF, networking, industrial, business equipment, and automotive.


Position: Senior Signal Integrity Engineer

Location: Nashua, NH

Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market (Mobile Networks, Storage, Servers, Routers, Switches, etc.). Our products help to enable the electronics revolution and remain a key enabler for all the major Tier 1 OEMs globally. Our global headquarters are located in Nashua, NH and we have design, sales and manufacturing locations globally. We are currently seeking a Senior Signal Integrity Engineer with our HSIO Connectors Team. The position will be located in Nashua, NH.

RESPONSIBILITIES:

  • Design, simulation, characterization, and application of high speed electrical connectors and cable-based interconnects
  • Component development as well as customer support on new product introduction
  • Contribute to an established team of dedicated signal integrity engineers and engineers of other disciplines
  • Share knowledge and pursue continuous improvement in methods and workflows
  • Collaborate multi-disciplinary teams in the development of next generation high speed I/O interconnect products
  • Assist with providing solutions to customers across a wide range of sectors with their high speed data transmission requirements
  • Support the internal Sales Engineers to develop strategies for product break-in at existing and new accounts based on signal integrity and electrical engineering expertise
  • Identify and resolve signal Integrity issues in PCB layout
  • Design, build, and measure circuit boards for the measurement and verification of products
  • Apply circuit theory and high-speed digital transmission, PCB layout principles for high-speed digital design

QUALIFICATIONS:

  • BS in Electrical Engineering, MS/PhD in Electrical Engineering is preferred
  • 5+ years of industry experience with an understanding of electro-magnetic principles for digital signal integrity
  • Experience in component design and application of high speed connectors into communications equipment is a plus
  • Experience with signal integrity measurements and debugging with TDR,VNA, pattern generators, error detectors and similar measurement equipment
  • Experience with signal integrity and simulation/analysis tools such as Ansys HFSS and Designer, CST Microwave, HSPICE, MatLab, and ADS
  • Hands-on experience with frequency-domain and time-domain components and circuit characterization including understanding of test and calibration methods

#LI-PG2


Amphenol Corporation is proud of our reputation as an excellent employer. Our focus is to provide the highest level of support and responsiveness to both our employees and our customers, the world's largest technology companies. Amphenol Corporation offers the opportunity for career growth within a global organization. We believe that Amphenol Corporation is unique in that every employee, regardless of his or her position, has the ability to positively impact the business.

Amphenol is an “Equal Opportunity Employer” - Minority/Female/Disabled/Veteran/Sexual Orientation/Gender Identity/National Origin. For additional company information please visit our website at https://www.amphenol-cs.com/