Applications Engineer - Senior

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

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

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.

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., Cabot Corporation (NYSE: CBT) is a leading global specialty chemicals and performance materials company headquartered in Boston, Massachusetts, USA. Our businesses deliver a broa…