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Freelance Signal Integrity Engineer Jobs (NOW HIRING)

Graphcore

Senior Signal Integrity Engineer

Austin, TX · On-site

$165K/yr

About the Role We are seeking a Senior Signal Integrity Engineer to develop, validate, and optimize high-speed signaling solutions across blade- and rack-level architectures for advanced compute ...

Rambus

SPE Signal Integrity Engineer

San Jose, CA · On-site

$133K - $248K/yr

As an SPE Signal Integrity Engineer, you will be reporting to the VP of Engineering and is a Full Time position. In this highly visible role, you will work within our SI/PI team to work on modeling ...

Rambus

SPE Signal Integrity Engineer

Johns Creek, GA · On-site

$133K - $248K/yr

As an SPE Signal Integrity Engineer, you will be reporting to the VP of Engineering and is a Full Time position. In this highly visible role, you will work within our SI/PI team to work on modeling ...

Nokia

Signal Integrity Design Engineer

Sunnyvale, CA · On-site

$160K - $230K/yr

As a Signal Integrity Engineer, you will: * Simulate ultra high-speed PCB channels (112G+ SerDes rates) including connectors, breakouts, and via structures * Provide signal integrity guidance to ...

Graphcore

Senior Signal Integrity Engineer

Austin, TX · Hybrid

$165K/yr

About the Role We are seeking a Senior Signal Integrity Engineer to develop, validate, and optimize high-speed signaling solutions across blade- and rack-level architectures for advanced compute ...

Nokia

Signal Integrity Design Engineer

Sunnyvale, CA

$196K/yr

As a Signal Integrity Engineer, you will: * Simulate ultra high-speed PCB channels (112G+ SerDes rates) including connectors, breakouts, and via structures * Provide signal integrity guidance to ...

Rambus

SPE Signal Integrity Engineer

Johns Creek, GA · On-site

$133K - $248K/yr

As an SPE Signal Integrity Engineer, you will be reporting to the VP of Engineering and is a Full Time position. In this highly visible role, you will work within our SI/PI team to work on modeling ...

Rambus

SPE Signal Integrity Engineer

Johns Creek, GA

$133K - $248K/yr

As an SPE Signal Integrity Engineer, you will be reporting to the VP of Engineering and is a Full Time position. In this highly visible role, you will work within our SI/PI team to work on modeling ...

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All 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 3, 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.
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Freelance Signal Integrity Engineer jobs near you

Senior Signal Integrity Engineer - PCB / Test Boards

Amphenol HSIO

Yocumtown, PA • On-site

$160K/yr

Full-time

Posted 11 days ago

Job description

Senior Signal Integrity Engineer PCB / Test Boards

Position Summary

The Senior Signal Integrity Engineer will be responsible for owning, developing, and supporting signal integrity (SI) test boards and customer-facing SI activities for high-speed interconnect and cable products. This role serves as a key technical interface between customers, internal SI teams, PCB vendors, and product engineering, ensuring SI solutions meet both performance and schedule requirements.

Key Responsibilities

SI Test Board Ownership & Lifecycle Management

  • Own assigned SI test boards and PCB assets, including revision control, availability, and usage guidance.
  • Maintain and update SI board inventory tracking and documentation.
  • Coordinate PCB reorders, Gerber updates, and PO support with internal teams and external vendors.
  • Support urgent build prioritization and resolve schedule or supply constraints.

Customer-Facing SI Support

  • Act as a primary SI technical contact for strategic customers.
  • Support customer requests related to padstack optimization, footprint review, and stackup alignment.
  • Participate in customer meetings to present SI progress and explain technical tradeoffs.

SI Analysis, Measurement & Reporting

  • Perform and support SI measurements, including VNA, TDR, and S-parameters.
  • Generate customer-ready technical reports and presentations.
  • Review customer PCB layouts and CAD files for SI compliance.

Cross-Functional Collaboration

Work with global SI, layout, product, and manufacturing teams.

Interface with PCB fabrication vendors to resolve technical issues.

Required Qualifications

Ph.D. or M.S. in Electrical Engineering or related field (or equivalent experience).

Strong background in high-speed signal integrity for connectors, cables, and PCBs.

Hands-on experience with SI measurements (VNA, TDR, S-parameters).

Experience reviewing PCB layouts, padstacks, vias, and stackups.

Strong customer-facing communication skills.

Preferred Qualifications

Experience supporting SI test boards for hyperscale or networking customers.

Familiarity with Allegro or similar PCB design tools.

Experience working across global engineering and manufacturing teams.

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