Applications Engineer

Sivers Semiconductors UK; Town of Sweden (NY); On-site; USD 110,000 - 180,000; Full time

Job summary

Sivers Semiconductors UK is seeking an Applications Engineer to support mmWave beamformer ICs and active antenna arrays for 5G, SATCOM, radar, and sensing applications. You will bridge product design teams and customers to integrate advanced ICs into real-world systems.

The role emphasizes RF/microwave expertise, hands-on measurement with test gear, and collaboration across RF, mixed-signal, and system domains. Join a global team shaping next-generation wireless technologies.

Qualifications

• MS in Electrical Engineering (PhD preferred) with a focus on RF/mmWave circuits or systems.
• 3–8 years of experience in RFIC design, antenna arrays, or system integration.
• Strong understanding of beamforming architectures, RF measurements, and phased‑array calibration.
• Hands-on experience with network analyzers, spectrum analyzers, signal generators, and antenna range testing.
• Excellent written and verbal communication skills; able to work effectively with cross-functional teams and customers.

Responsibilities

• Serve as the primary technical contact for customers integrating mmWave beamformer ICs into antenna arrays.
• Develop and validate reference designs, evaluation boards, and calibration scripts for beamforming and gain/phase control.
• Characterize array-level performance (EIRP, EVM, beam patterns, linearity, noise figure) across temperature and frequency bands.
• Support system-level design including RF signal chains, LO distribution, power management, and digital control interfaces (SPI/I²C).
• Assist in debugging and root-cause analysis of performance issues during customer bring-up and production ramp.
• Collaborate with internal design and test engineers to provide feedback on product specifications, firmware, and test automation.
• Produce application notes, design guidelines, and training material for customers and field support teams.
• Contribute to customer demos, trade shows, and design-win activities in collaboration with marketing and business development teams.

Skills

mmWave ICs

Phased arrays

RF systems

MATLAB

Python

LabVIEW

Customer-facing

Education

M.S. in Electrical Engineering (Ph.D. preferred)

Tools

Network analyzers

Spectrum analyzers

Antenna range testing

Job description

Applications Engineer – mmWave Beamformer ICs and Arrays

Location: India, Sweden and the United States

Company Brief:

Sivers Semiconductors is a leader in SatCom, 5G, 6G, Photonics, and Silicon Photonics that drives innovation in
global communications and sensor technology.

Our business units, Photonics and Wireless, supply cutting-edge, integrated chips and modules critical for high-
performance gigabit wireless and optical networks.

Catering to a broad spectrum of industries from telecommunication to aerospace, we fulfil the increasing
demand for computational speed and AI application performance, replacing electric with optical connections for
a more sustainable world.
Our wireless solutions are forging paths in advanced SatCom/5G/6G systems, while our photonics expertise is
revolutionizing custom semiconductor photonic devices for optical networks and optical sensing, making us a
trusted partner to Fortune 100 companies as well as emerging unicorns

Role:

Are you passionate about cutting-edge RF technology and advanced wireless systems? Join our team as an Applications Engineer, supporting mmWave beamformer ICs and active antenna arrays for 5G, SATCOM, radar, and sensing applications. You will act as the key technical interface between our product design teams and customers, helping to integrate our innovative ICs into real-world systems.

Responsibilities:

• Serve as the primary technical contact for customers integrating mmWave beamformer ICs into antenna arrays.
• Develop and validate reference designs, evaluation boards, and calibration scripts for beamforming and gain/phase control.
• Characterize array-level performance (EIRP, EVM, beam patterns, linearity, noise figure) across temperature and frequency bands.
• Support system-level design including RF signal chains, LO distribution, power management, and digital control interfaces (SPI/I²C).
• Assist in debugging and root-cause analysis of performance issues during customer bring-up and production ramp.
• Collaborate with internal design and test engineers to provide feedback on product specifications, firmware, and test automation.
• Produce application notes, design guidelines, and training material for customers and field support teams.
• Contribute to customer demos, trade shows, and design-win activities in collaboration with marketing and business development teams.

Experience:

• Strong technical expertise in mmWave ICs, phased arrays, and RF systems.
• Excellent communication and problem-solving skills.
• Ability to work across RF, mixed-signal, and system domains.
• Experience in customer-facing technical support or applications engineering is a plus.

Why Join Us:

• Work on next-generation wireless technologies at the forefront of 5G, SATCOM, and radar.
• Collaborate with a global, innovative team of engineers.
• Opportunity to influence product adoption and impact real-world systems.

Qualifications:

• M.S. in Electrical Engineering or a related field (Ph.D. preferred), with a focus on RF/mmWave circuits or systems.
• 3–8 years of experience in RFIC design, antenna arrays, or system integration.
• Strong understanding of beamforming architectures, RF measurements, and phased-array calibration.
• Hands-on experience with network analyzers, spectrum analyzers, signal generators, and antenna range testing.
• Proficient in MATLAB, Python, or LabVIEW for measurement automation and data analysis.
• Excellent written and verbal communication skills; able to work effectively with cross-functional teams and customers.

Personal Fit

• Open, pragmatic, team player
• Willingness to support and challenge, and to be supported and challenged.
• An ability to follow written and oral instructions.
• Disciplined, diligent and hard working with an eye for detail.
• Excellent telephone manner with proven verbal and written communication skills, demonstrable at all
• levels of a business
• Enthusiastic, with a high degree of commitment to personal development, and a passion for achieving
• success.
• Result orientated with sense of urgency whilst quality conscious.
• Be willing to uphold company standards, act as a role model and take ownership.

We are committed to equality of opportunity for all staff and applications from individuals are encouraged
regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion
or belief and marriage and civil partnerships.