Are you passionate about shaping the future of high-speed integrated optoelectronic devices? Coherent are at the cutting edge of technology, developing advanced solutions that drive innovation in the field of RF design and optoelectronics. As a Senior RF Design Engineer, you will play a crucial role in designing state-of-the-art devices, collaborating with industry-leading experts, and directly influencing the success of next-generation products. If you thrive in a fast-paced environment and are excited about turning complex challenges into groundbreaking solutions, we want to hear from you!

About the job

This position is a direct recruitment, which means that the recruitment process takes place through Bravura and you are employed directly by Coherent.

About the company

Coherent in Järfälla, a division of the global technology leader Coherent Corp., stands at the forefront of innovation in the field of optoelectronics. As part of a global network with a presence in 73 locations across 18 countries, including the USA, China, Australia, Germany, and Switzerland. Coherent is renowned for its commitment to advancing breakthrough technologies.

At Coherent in Järfälla, we specialize in the development of pioneering and high-quality optoelectronic products, contributing significantly to technological advancements from materials to systems to meet the increasing demand for our world-leading components. As a financially stable and fast-growing organization, we take pride in serving some of the world's most renowned tech companies.

Our multicultural work environment at the Järfälla facility hosts around 280 professionals, including operators, technicians, process engineers, development engineers, and software engineers. Together, we form a dynamic team that thrives on collaboration and efficient decision-making. You will join the Design team within the Product Development department.

Tasks and responsibilities

As Senior RF Design Engineer you are responsible for designing and modeling high-speed optoelectronic devices, validating and optimizing these designs through lab testing, and ensuring optimal performance in applications. The role involves troubleshooting, creating test methods, and contributing to technology selection, while also providing technical expertise in project reviews and supporting product adjustments during manufacturing. This position will work closely with cross-functional teams, maintain documentation, and stay informed on industry advancements.

Key Responsibilities

• Design high-speed optoelectronic devices (e.g., electro-absorption and Mach-Zehnder modulators) and related packaging.
• Model RF characteristics to predict device behavior in real-world applications.
• Perform advanced characterization of devices in the lab to validate designs.
• Develop test methods for evaluating device performance.
• Aid in selecting suitable technology platforms and technical solutions
• Take on the expert role in projects and contribute to drafting product specifications.
• Work closely with chip design, fabrication, and operations teams.
• Maintain documentation to support product development and improvements.

Education, experience and personal characteristics

• Strong background in RF and signal integrity, high-speed electronics, optoelectronic devices, and numerical modeling.
• Deep expertise in RF engineering, signal integrity, RF test and measurements, and device modeling.
• PhD with a minimum of 5 years, or MSc with a minimum of 10 years of professional experience in RF/microwave, optoelectronics, semiconductor, or electrical engineering.
• Hands-on experience with RF / microwave test equipment and methodologies for on-wafer and on-chip testing.
• Fluent in English (oral and written); proficiency in Swedish is desirable.
• Strong problem-solving skills, initiative, and the ability to work in a structured manner. Good communication and interpersonal skills are a plus.
• Comfortable working in a cutting-edge RF / microwave test lab with strict cleanliness and ESD control requirements.

You are driven by the challenge of complex projects and are passionate about achieving technical excellence. With a creative mindset, you seek solutions beyond traditional methods and stay informed on the latest innovations. You communicate clearly, collaborate effortlessly, and inspire the open exchange of ideas.

Other information

Start: Upon agreement

Location: Järfälla, Stockholm - We like you to be on-site at least three days a week.

Salary: Upon agreement

Union Contact: Niklas Jansson: niklas.jansson@coherent.com
Jessica Carlsson: jessica.carlsson@coherent.com

Thoughts about Bravura's recruitment process? You can find answers to the most frequently asked questions here: http://bravura.se/min-profil/fragor-och-svar/

If you have specific questions about the position, please email info@bravura.se and a member of the team will help you. Please specify the service in question.

We recommend that you submit your application immediately as we make an ongoing selection. Welcome with your application!