M
Applications Engineer - Principal
Accepting applicationsMACOM · Lowell, MA
Full-Time Principal GaNMentorRFanalogmentor
Posted
1d ago
Category
Test
Experience
Principal
Country
United States
MACOM (NASDAQ: MTSI) is a global leader in the design and manufacture of advanced semiconductor products across a diverse range of end markets, including Data Centers, Telecommunications, Industrial and Aerospace and Defense. We develop innovative, cutting-edge technologies and products across the spectrum of radio frequency (RF), microwave, millimeter wave, photonics and high-speed analog technologies. Our solutions support critical network infrastructure applications like artificial intelligence, high performance computing, satellite communications, radar, unmanned aerial vehicles, medical equipment, test and measurement and advanced wireless networks.
MACOM has more than 75 years of expertise in semiconductor process development, wafer fabrication, circuit design, advanced packaging, systems architecture and applications engineering. We are committed to our customers’ success. We partner with customers to help solve their most challenging problems by providing semiconductor solutions that are at the forefront of the highest power, highest frequency and/or highest data rates.
Leading technologies, innovative products and driven employees. Come be a part of MACOM and help advance the next generation of connectivity infrastructure!
Principal Applications Engineer – RF, Microwave & Millimeter-Wave MMIC Team
Position Summary
MACOM is seeking a Principal Applications Engineer to serve as a recognized technical leader within our Applications Engineering organization. This role combines deep expertise in RF, microwave, and millimeter-wave semiconductor products with exceptional customer engagement, technical problem-solving, and cross-functional leadership.
The Principal Applications Engineer provides technical leadership across the organization while supporting strategic customers developing next-generation communications, aerospace, defense, industrial, medical, scientific, and test-and-measurement systems. This individual will influence product adoption, guide application strategy, mentor engineers, and help establish best practices for characterization, technical support, and customer engagement.
Success in this role requires a unique combination of semiconductor device knowledge, measurement expertise, practical circuit and system-level understanding, customer-facing skills, and the ability to influence technical direction across multiple functional groups. The ideal candidate combines deep technical expertise with the ability to communicate complex concepts clearly and effectively to both customers and internal stakeholders.
Candidates with experience spanning both semiconductor product development and customer-facing engineering roles are particularly well suited for this position.
Key Responsibilities
Technical Leadership
Serve as a recognized technical authority for RF, microwave, and millimeter-wave semiconductor products and applications.
Provide leadership on complex customer issues, strategic engagements, and advanced technical investigations.
Mentor and develop Applications Engineers across multiple experience levels.
Establish and promote best practices for technical investigations, measurement methodologies, customer support workflows, and engineering documentation.
Lead initiatives that improve engineering effectiveness, customer satisfaction, product adoption, and applications engineering best practices.
Influence product strategy through collaboration with design engineering, product management, product engineering, reliability engineering, marketing, and sales organizations.
Provide leadership and technical guidance during new product introduction and lifecycle management activities.
Act as a trusted technical advisor for both internal teams and external customers.
Customer Engagement & Technical Problem Solving
Serve as a senior technical interface for key and strategic customers.
Lead investigations involving complex device-level, circuit-level, and system-level technical challenges.
Translate customer requirements into practical application solutions and design recommendations.
Support customer design activities through simulation guidance, measurement support, circuit recommendations, and performance optimization.
Deliver advanced technical presentations, training, and application guidance to internal and external audiences.
Represent MACOM in strategic technical discussions with leading customers, partners, and industry organizations.
RF, Microwave & Millimeter-Wave Characterization
Develop and execute advanced characterization methodologies for semiconductor devices and RF subsystems.
Design, operate, and optimize sophisticated laboratory measurement systems used for product evaluation and customer support.
Perform and interpret measurements including:
Small-signal characterization
Large-signal characterization
Power compression
Intermodulation distortion
Linearity analysis
Noise figure
Phase noise
Efficiency measurements
Thermal characterization
Pulsed-IV characterization
Load-pull and source-pull analysis
Modulated analysis
Provide technical oversight regarding measurement uncertainty, data integrity, correlation, and repeatability.
Application Development
Develop evaluation circuits, reference designs, and application concepts enabling customer success.
Contribute to datasheets, application notes, design guides, technical presentations, and training materials.
Review and improve product collateral to ensure technical accuracy and application relevance.
Work closely with product and design teams to improve product usability and customer adoption.
Cross-Functional Influence
Collaborate closely with:
Design Engineering
Product Engineering
Reliability Engineering
Marketing
Sales
Operations
To improve products, characterization methodologies, technical collateral, and customer support strategies.
Drive resolution of complex technical issues requiring coordination across multiple engineering disciplines.
Serve as a strong voice-of-the-customer during product planning and development activities.
Required Qualifications
Education
BSEE or BSECE required.
MSEE preferred.
Experience
Typically 10+ years of relevant experience, or equivalent demonstrated expertise, in RF, microwave, millimeter-wave, semiconductor, or related high-frequency engineering disciplines.
Demonstrated success operating independently on highly complex technical challenges.
Proven ability to lead technical initiatives and influence outcomes across organizational boundaries.
Strong customer-facing experience within a technically demanding engineering environment.
Technical Expertise
Candidates should possess a strong understanding of:
RF and microwave circuit theory
Semiconductor device fundamentals
Device characterization techniques
Network analysis
Spectrum analysis
Noise measurements
Power measurements
Linearity characterization
System-level RF performance
Simulation and modeling concepts
Measurement uncertainty and correlation methodologies
Semiconductor Technology Experience
Required
Demonstrated familiarity supporting, characterizing, designing with, or developing products utilizing technologies such as: GaAs, GaN.
Candidates should possess a practical understanding of device operation, performance tradeoffs, reliability considerations, thermal behavior, and application-specific design challenges associated with compound semiconductor technologies.
Experience supporting products spanning low-frequency RF through microwave and millimeter-wave frequencies, including passive components, control products, signal-chain components, and power devices, is highly desirable.
Laboratory Experience
Hands-on experience with advanced RF test equipment, including:
Vector Network Analyzers (VNA)
Spectrum Analyzers
Signal Generators
Noise Figure Measurement Systems
Probe Stations
Power Meters
Oscilloscopes
Load-Pull and Source-Pull Systems
The successful candidate must be comfortable developing custom measurement techniques and troubleshooting complex measurement environments.
Preferred Qualifications
The following experiences are highly desirable:
MMIC design
RF circuit design
Power amplifier design
Semiconductor product development
Product characterization
Device modeling and simulation
Reliability engineering
Microwave packaging
System architecture
Technical marketing
Applications engineering leadership
Candidates who have worked in both semiconductor design engineering and customer-facing applications engineering roles are especially encouraged to apply.
Leadership Expectations
A successful Principal Applications Engineer will:
Be recognized as a technical leader by peers across multiple organizations.
Influence decisions and technical direction beyond their immediate reporting structure.
Serve as a mentor and technical resource for developing engineers.
Drive continuous improvement in engineering processes, measurement methodologies, and support practices.
Identify emerging customer needs and translate them into technical and business opportunities.
Lead complex problem-solving efforts from initial investigation through final resolution.
Operate effectively in highly ambiguous technical environments.
Establish credibility with customers and cross-functional engineering teams.
Why Join MACOM
Applications Engineering at MACOM operates at the intersection of semiconductor technology, customer success, and product innovation. Principal Applications Engineers play a critical role in shaping how products are adopted, how technologies evolve, and how customers succeed in demanding real-world applications.
This position offers the opportunity to work with industry-leading compound semiconductor technologies, collaborate with world-class engineering teams, and influence products used in some of the world's most advanced communications, aerospace, defense, industrial, and scientific systems.
EEO:
MACOM is an Equal Opportunity Employer committed to a diverse workforce. MACOM will not discriminate against any worker or job applicant on the basis of race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, genetic information, veteran status, military service, marital status, or any other category protected under applicable law.
Reasonable Accommodation:
MACOM is committed to working with and providing reasonable accommodations to qualified individuals with physical and mental disabilities. If you have a disability and are in need of a reasonable accommodation with respect to any part of the application process, please call +1-978-656-2500 or email [email protected]. Provide your name, phone number and the position title and location in which you are interested, and nature of accommodation needed, and we will get back to you. We also work with current employees who request or need reasonable accommodation in order to perform the essential functions of their jobs.
ITAR
Due to ITAR regulations, only candidates who are U.S. Persons (U.S. citizens, U.S. nationals, lawful permanent residents, or individuals granted asylum or refugee status) will be considered for this position.
RSU Eligible
This position is eligible to receive restricted stock unit (RSU) awards and cash bonuses, solely at MACOM’s discretion, subject to individual and company performance.
Salary Range
The Salary Range for this position is $122,000 – $200,000. Actual salary offered to candidate will depend on several factors, including but not limited to, work location, relevant candidates’ experience, education, and specific knowledge, skills, and abilities.
Benefits: This position offers a comprehensive benefits package including but not limited to:
Health, dental, and vision insurance.
Employer-sponsored 401(k) plan.
Paid time off.
Professional development opportunities.
Show more Show less
MACOM has more than 75 years of expertise in semiconductor process development, wafer fabrication, circuit design, advanced packaging, systems architecture and applications engineering. We are committed to our customers’ success. We partner with customers to help solve their most challenging problems by providing semiconductor solutions that are at the forefront of the highest power, highest frequency and/or highest data rates.
Leading technologies, innovative products and driven employees. Come be a part of MACOM and help advance the next generation of connectivity infrastructure!
Principal Applications Engineer – RF, Microwave & Millimeter-Wave MMIC Team
Position Summary
MACOM is seeking a Principal Applications Engineer to serve as a recognized technical leader within our Applications Engineering organization. This role combines deep expertise in RF, microwave, and millimeter-wave semiconductor products with exceptional customer engagement, technical problem-solving, and cross-functional leadership.
The Principal Applications Engineer provides technical leadership across the organization while supporting strategic customers developing next-generation communications, aerospace, defense, industrial, medical, scientific, and test-and-measurement systems. This individual will influence product adoption, guide application strategy, mentor engineers, and help establish best practices for characterization, technical support, and customer engagement.
Success in this role requires a unique combination of semiconductor device knowledge, measurement expertise, practical circuit and system-level understanding, customer-facing skills, and the ability to influence technical direction across multiple functional groups. The ideal candidate combines deep technical expertise with the ability to communicate complex concepts clearly and effectively to both customers and internal stakeholders.
Candidates with experience spanning both semiconductor product development and customer-facing engineering roles are particularly well suited for this position.
Key Responsibilities
Technical Leadership
Serve as a recognized technical authority for RF, microwave, and millimeter-wave semiconductor products and applications.
Provide leadership on complex customer issues, strategic engagements, and advanced technical investigations.
Mentor and develop Applications Engineers across multiple experience levels.
Establish and promote best practices for technical investigations, measurement methodologies, customer support workflows, and engineering documentation.
Lead initiatives that improve engineering effectiveness, customer satisfaction, product adoption, and applications engineering best practices.
Influence product strategy through collaboration with design engineering, product management, product engineering, reliability engineering, marketing, and sales organizations.
Provide leadership and technical guidance during new product introduction and lifecycle management activities.
Act as a trusted technical advisor for both internal teams and external customers.
Customer Engagement & Technical Problem Solving
Serve as a senior technical interface for key and strategic customers.
Lead investigations involving complex device-level, circuit-level, and system-level technical challenges.
Translate customer requirements into practical application solutions and design recommendations.
Support customer design activities through simulation guidance, measurement support, circuit recommendations, and performance optimization.
Deliver advanced technical presentations, training, and application guidance to internal and external audiences.
Represent MACOM in strategic technical discussions with leading customers, partners, and industry organizations.
RF, Microwave & Millimeter-Wave Characterization
Develop and execute advanced characterization methodologies for semiconductor devices and RF subsystems.
Design, operate, and optimize sophisticated laboratory measurement systems used for product evaluation and customer support.
Perform and interpret measurements including:
Small-signal characterization
Large-signal characterization
Power compression
Intermodulation distortion
Linearity analysis
Noise figure
Phase noise
Efficiency measurements
Thermal characterization
Pulsed-IV characterization
Load-pull and source-pull analysis
Modulated analysis
Provide technical oversight regarding measurement uncertainty, data integrity, correlation, and repeatability.
Application Development
Develop evaluation circuits, reference designs, and application concepts enabling customer success.
Contribute to datasheets, application notes, design guides, technical presentations, and training materials.
Review and improve product collateral to ensure technical accuracy and application relevance.
Work closely with product and design teams to improve product usability and customer adoption.
Cross-Functional Influence
Collaborate closely with:
Design Engineering
Product Engineering
Reliability Engineering
Marketing
Sales
Operations
To improve products, characterization methodologies, technical collateral, and customer support strategies.
Drive resolution of complex technical issues requiring coordination across multiple engineering disciplines.
Serve as a strong voice-of-the-customer during product planning and development activities.
Required Qualifications
Education
BSEE or BSECE required.
MSEE preferred.
Experience
Typically 10+ years of relevant experience, or equivalent demonstrated expertise, in RF, microwave, millimeter-wave, semiconductor, or related high-frequency engineering disciplines.
Demonstrated success operating independently on highly complex technical challenges.
Proven ability to lead technical initiatives and influence outcomes across organizational boundaries.
Strong customer-facing experience within a technically demanding engineering environment.
Technical Expertise
Candidates should possess a strong understanding of:
RF and microwave circuit theory
Semiconductor device fundamentals
Device characterization techniques
Network analysis
Spectrum analysis
Noise measurements
Power measurements
Linearity characterization
System-level RF performance
Simulation and modeling concepts
Measurement uncertainty and correlation methodologies
Semiconductor Technology Experience
Required
Demonstrated familiarity supporting, characterizing, designing with, or developing products utilizing technologies such as: GaAs, GaN.
Candidates should possess a practical understanding of device operation, performance tradeoffs, reliability considerations, thermal behavior, and application-specific design challenges associated with compound semiconductor technologies.
Experience supporting products spanning low-frequency RF through microwave and millimeter-wave frequencies, including passive components, control products, signal-chain components, and power devices, is highly desirable.
Laboratory Experience
Hands-on experience with advanced RF test equipment, including:
Vector Network Analyzers (VNA)
Spectrum Analyzers
Signal Generators
Noise Figure Measurement Systems
Probe Stations
Power Meters
Oscilloscopes
Load-Pull and Source-Pull Systems
The successful candidate must be comfortable developing custom measurement techniques and troubleshooting complex measurement environments.
Preferred Qualifications
The following experiences are highly desirable:
MMIC design
RF circuit design
Power amplifier design
Semiconductor product development
Product characterization
Device modeling and simulation
Reliability engineering
Microwave packaging
System architecture
Technical marketing
Applications engineering leadership
Candidates who have worked in both semiconductor design engineering and customer-facing applications engineering roles are especially encouraged to apply.
Leadership Expectations
A successful Principal Applications Engineer will:
Be recognized as a technical leader by peers across multiple organizations.
Influence decisions and technical direction beyond their immediate reporting structure.
Serve as a mentor and technical resource for developing engineers.
Drive continuous improvement in engineering processes, measurement methodologies, and support practices.
Identify emerging customer needs and translate them into technical and business opportunities.
Lead complex problem-solving efforts from initial investigation through final resolution.
Operate effectively in highly ambiguous technical environments.
Establish credibility with customers and cross-functional engineering teams.
Why Join MACOM
Applications Engineering at MACOM operates at the intersection of semiconductor technology, customer success, and product innovation. Principal Applications Engineers play a critical role in shaping how products are adopted, how technologies evolve, and how customers succeed in demanding real-world applications.
This position offers the opportunity to work with industry-leading compound semiconductor technologies, collaborate with world-class engineering teams, and influence products used in some of the world's most advanced communications, aerospace, defense, industrial, and scientific systems.
EEO:
MACOM is an Equal Opportunity Employer committed to a diverse workforce. MACOM will not discriminate against any worker or job applicant on the basis of race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, genetic information, veteran status, military service, marital status, or any other category protected under applicable law.
Reasonable Accommodation:
MACOM is committed to working with and providing reasonable accommodations to qualified individuals with physical and mental disabilities. If you have a disability and are in need of a reasonable accommodation with respect to any part of the application process, please call +1-978-656-2500 or email [email protected]. Provide your name, phone number and the position title and location in which you are interested, and nature of accommodation needed, and we will get back to you. We also work with current employees who request or need reasonable accommodation in order to perform the essential functions of their jobs.
ITAR
Due to ITAR regulations, only candidates who are U.S. Persons (U.S. citizens, U.S. nationals, lawful permanent residents, or individuals granted asylum or refugee status) will be considered for this position.
RSU Eligible
This position is eligible to receive restricted stock unit (RSU) awards and cash bonuses, solely at MACOM’s discretion, subject to individual and company performance.
Salary Range
The Salary Range for this position is $122,000 – $200,000. Actual salary offered to candidate will depend on several factors, including but not limited to, work location, relevant candidates’ experience, education, and specific knowledge, skills, and abilities.
Benefits: This position offers a comprehensive benefits package including but not limited to:
Health, dental, and vision insurance.
Employer-sponsored 401(k) plan.
Paid time off.
Professional development opportunities.
Show more Show less