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Freelance Signal Integrity Engineer Jobs (NOW HIRING)

HIKINEX

Signal Integrity Engineer

Richardson, TX

$151K/yr

Signal Integrity Engineer Locations: On-site in Richardson, TX or San Jose, CA Type: Permanent / Full-time Compensation: Competitive and commensurate with experience (multiple openings available ...

Hikinex

Signal Integrity Engineer

Richardson, TX · On-site

$151K/yr

Signal Integrity Engineer Locations: On-site in Richardson, TX or San Jose, CA Type: Permanent / Full-time Compensation: Competitive and commensurate with experience (multiple openings available ...

Amphenol TCS

Signal Integrity Engineer

Yocumtown, PA · On-site

$160K/yr

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

FormFactor, Inc.

Signal Integrity Engineer

Livermore, CA · On-site

$134K - $166K/yr

Position: Signal Integrity Engineer Duties: Improve Signal Integrity and Power Integrity (SI/PI) performances, and measure, characterize and complete production design analysis. Perform lab ...

Amphenol TCS

Signal Integrity Engineer

Nashua, NH · On-site

$168K/yr

Signal Integrity Engineer Location: Nashua, NH Amphenol Cable Backplane System group is the market leader for high speed, high bandwidth integrated cable and connector systems for the AI/Machine ...

Amphenol TCS

Signal Integrity Engineer

Santa Clara, CA · On-site

$95K - $150K/yr

Signal Integrity Engineer Location: Santa Clara, CA Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market (Mobile ...

Amphenol TCS

Signal Integrity Engineer

Nashua, NH · On-site

$168K/yr

Signal Integrity Engineer Location:Nashua, NH Amphenol Spectra-Strip is a leader in hyper scale data center bulk wire solutions. We develop and manufacture gigabit copper cable solutions for high ...

Formfactor

Signal Integrity Engineer

Livermore, CA · Hybrid

$134K - $166K/yr

Position: Signal Integrity Engineer Duties:Improve Signal Integrity and Power Integrity (SI/PI) performances, and measure, characterize and complete production design analysis. Perform lab ...

Amphenol TCS

Signal Integrity Engineer

Nashua, NH · On-site

$168K/yr

Signal Integrity Engineer Location: Nashua, NH Amphenol Cable Backplane System group is the market leader for high speed, high bandwidth integrated cable and connector systems for the AI/Machine ...

Amphenol HSIO

Signal Integrity Engineer

Santa Clara, CA · On-site

$95K - $150K/yr

Signal Integrity Engineer Location: Santa Clara, CA Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market (Mobile ...

Amphenol TCS

Signal Integrity Engineer

Nashua, NH · On-site

$168K/yr

Signal Integrity Engineer Location: Nashua, NH Amphenol Cable Backplane System group is the market leader for high speed, high bandwidth integrated cable and connector systems for the AI/Machine ...

Amphenol TCS

Signal Integrity Engineer

Nashua, NH · On-site

$168K/yr

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 ...

Intel Corporation

Signal Integrity Engineer

Hillsboro, OR · On-site

$122K - $172K/yr

Join Intel's Networking Solutions Group (NSG) as a Signal Integrity Engineer, applying deep expertise in electrical signals and systems to deliver best-in-class Ethernet and PCIe networking solutions ...

Amphenol TCS

Signal Integrity Engineer

Austin, TX · Remote

$170K/yr

Signal Integrity Engineer Location: Austin, TX Amphenol Cable Backplane System group is the market leader for high speed, high bandwidth integrated cable and connector systems for the AI/Machine ...

Amphenol TCS

Signal Integrity Engineer

Santa Clara, CA · On-site

$80K - $214K/yr

Signal Integrity Engineer Location: Santa Clara, CA Amphenol Cable Backplane System group is the market leader for high speed, high bandwidth integrated cable and connector systems for the AI/Machine ...

Intel

Signal Integrity Engineer

Hillsboro, OR · On-site

$122K - $172K/yr

Join Intel's Networking Solutions Group (NSG) as a Signal Integrity Engineer, applying deep expertise in electrical signals and systems to deliver best-in-class Ethernet and PCIe networking solutions ...

Amphenol TCS

Signal Integrity Engineer

Seattle, WA · On-site

$95K - $150K/yr

Signal Integrity Engineer Location: Seattle, WA Amphenol Cable Backplane System group is the market leader for high speed, high bandwidth integrated cable and connector systems for the AI/Machine ...

Amphenol TCS

Signal Integrity Engineer

Hampton, NH · On-site

$172K/yr

Signal Integrity Engineer Location: Hampton, NH Ardent Concepts, an Amphenol company, is a leading designer and manufacturer of high performance multicoax and coaxial interconnect assemblies ...

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All JobsSignal Integrity Engineer JobsFreelance Signal Integrity Engineer Jobs

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 Jul 25, 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 are freelance signal integrity engineers?

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, and why are they important?

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.
More about Freelance Signal Integrity Engineer jobs
What cities are hiring for Freelance Signal Integrity Engineer jobs? Cities with the most Freelance Signal Integrity Engineer job openings:
What are the most commonly searched types of Signal Integrity Engineer jobs? The most popular types of Signal Integrity Engineer jobs are:
What states have the most Freelance Signal Integrity Engineer jobs? States with the most job openings for Freelance Signal Integrity Engineer jobs include:
What job categories do people searching Freelance Signal Integrity Engineer jobs look for? The top searched job categories for Freelance Signal Integrity Engineer jobs are:
Freelance Signal Integrity Engineer jobs near you
Infographic showing various Freelance Signal Integrity Engineer job openings in the United States as of July 2026, with employment types broken down into 33% Internship, and 67% Full Time. Highlights an 100% In-person job distribution, with an average salary of $166,304 per year, or $80 per hour.
Signal Integrity Engineer

Signal Integrity Engineer

HIKINEX

Richardson, TX

$151K/yr

Full-time

Posted 12 days ago

Job description

Signal Integrity Engineer
Locations: On-site in Richardson, TX or San Jose, CA
Type: Permanent / Full-time
Compensation: Competitive and commensurate with experience (multiple openings available)

About the Role

We're seeking highly skilled Signal Integrity Engineersto join a top-tier hardware engineering team developing next-generation networking, server, and storage technologies. This is a permanent, on-site position located in either Richardson, TX or San Jose, CA.

As a Signal Integrity Engineer, you'll serve as a subject matter expert in high-speed signal delivery and analysis. You'll work cross-functionally on complex PCB designs, performing simulations, lab testing, and root cause analysis to ensure signal quality and system performance. You will also participate in design reviews and provide technical guidance throughout the product lifecycle.

Key Responsibilities

  • Design and validate high-speed signal paths for digital and analog interfaces.
  • Perform 2D/3D simulations (e.g., S-parameters, eye diagrams, crosstalk, impedance control).
  • Conduct lab measurements including TDR and VNA; develop custom test fixtures.
  • Collaborate with hardware, layout, and system engineering teams on board design and stack-up.
  • Evaluate and model component-level behavior (e.g., Touchstone files).
  • Drive design decisions balancing performance, manufacturability, and cost.
  • Support signal integrity across complex PCBAs (36+ layers), connectors, flex circuits, and cabling.

Required Skills & Experience

  • 5 to 20+ years of experience in high-speed signal integrity engineering.
  • Strong background in PCB signal integrity (both on-board and off-board transmission).
  • Proficient in tools like ADS, ANSYS HFSS, Sigrity, and Allegro or similar ECAD platforms.
  • Experience with single-ended and differential signaling up to 50Gbps, including NRZ and PAM4.
  • Deep understanding of PCB design fundamentals, crosstalk, impedance, and loss modeling.
  • Skilled in generating and analyzing eye diagrams, and interpreting both time and frequency domain results.
  • Familiar with PCB stack-up design, fabrication limitations, and high-frequency materials.
  • Hands-on experience with flex circuit design, ribbon cables, coax, and board-to-board connectors.

Preferred Qualifications

  • Master's Degree in Electrical Engineering (Bachelor's required).
  • Experience leading design reviews or acting as a technical mentor.
  • Exposure to hardware platform development for networking or data center products.
  • Strong communication skills and experience working with cross-regional teams.
Employment Type: FULL_TIME
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About Hikinex

Sourced by ZipRecruiter

Hikinex is a multi-channel integrated service provider designed to help Companies scale fast and drive more profit. We leverage diverse resources to provide Superior services at a fraction of the cost.

Industry

Strategic planning consulting services

Company size

51 - 200 Employees

Headquarters location

San Francisco, CA, US

Year founded

2016

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