MACOM designs and manufactures semiconductor products for Data Center, Telecommunication, and Industrial and Defense applications. Headquartered in Lowell, Massachusetts, MACOM has design centers and sales offices throughout North America, Europe, and Asia. MACOM is certified to the ISO9001 international quality standard and ISO14001 environmental management standard.
MACOM has more than 75 years of application expertise with multiple design centers, Si, GaAs, and InP fabrication, manufacturing, assembly and test, and operational facilities throughout North America, Europe, and Asia. Click here to view our facilities. In addition, MACOM offers foundry services that represents a key core competency within our business.
MACOM sells and distributes products globally via a sales channel comprised of a direct field sales force, authorized sales representatives, and leading industry distributors. Our sales team is trained across all of our products to give our customers insights into our entire portfolio.
Senior Application Engineer - MMIC Products Do you thrive at the intersection of RF engineering, customer engagement, and hands-on lab work? Are you energized by solving complex technical problems and guiding others to successful outcomes? If so, we are looking for a Senior Application Engineer to join our Application Engineering Team.
Our team supports customers working with a diverse portfolio of MMIC devices-from low-frequency passives to products operating beyond 100 GHz, with continuous innovation across the portfolio. As a Senior Application Engineer, you will serve as a technical leader within the team, driving customer success, mentoring junior engineers, and contributing to application strategy and product adoption.
What You'll Do In this role, you will serve as a primary technical interface between customers and MACOM, combining deep technical expertise with clear communication and strong ownership.
You will:
- Lead investigations and resolution of complex customer technical issues, independently driving to closure
- Provide authoritative technical guidance on RF/microwave applications, measurements, and system-level integration
- Design, execute, and interpret advanced RF test setups using equipment such as PNA-X, VNAs, spectrum analyzers, probe stations, and power measurement systems
- Architect and design application-specific circuits, evaluation boards, and reference designs to support customer needs
- Develop high-quality technical collateral including application notes, data packages, and presentations
- Analyze characterization and production data to inform datasheets, application guidance, and customer recommendations
- Collaborate cross-functionally with design, product engineering, reliability, and marketing teams to ensure successful product adoption
- Represent the Application Engineering team in technical discussions, design reviews, and customer engagements
Technical Leadership & Ownership A key aspect of this role is leadership-both technical and organizational:
- Act as a subject matter expert for assigned product lines or application areas
- Mentor and guide junior engineers in lab techniques, problem-solving, and customer interaction
- Help define best practices for measurement methodologies, ticket handling, and application workflows
- Drive improvements in technical support processes, tools, and documentation
- Support prioritization and management of customer inquiries, ensuring timely and high-quality responses
- Provide feedback to development teams based on customer interactions and field learnings
Specific Responsibilities - Lead complex RF testing and debugging activities across lab environments
- Design and validate evaluation hardware and application circuits
- Review and contribute to datasheets and application documentation
- Manage and contribute to technical ticket tracking with a focus on responsiveness and quality
- Develop and deliver customer-facing presentations and technical content
- Support design reviews and internal technical discussions as a senior contributor
Qualifications Education:
BSEE or BSECE required; MS preferred
Experience: - Typically 5+ years of experience in RF/microwave, semiconductor, or related engineering field
- Strong hands-on experience with RF/microwave test equipment and measurement techniques
- Demonstrated ability to independently solve complex technical problems
Technical Skills: - Solid understanding of RF & microwave theory and practical implementation
- Experience with characterization, modeling, and application of MMIC products
- Familiarity with PCB design for high-frequency applications
Professional Skills: - Strong written and verbal communication skills, with ability to convey complex concepts clearly
- Proven ability to work cross-functionally and influence technical decisions
- Self-driven, organized, and capable of managing multiple priorities
Why You'll Love It - Work on cutting-edge RF and microwave technologies across a broad product portfolio
- Engage directly with customers and play a key role in their success
- Influence product direction and application strategy through real-world insights
- Be part of a collaborative, high-performing team that values technical excellence and mentorship
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- or email 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 $97,000 - $168,000. 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.
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