Semiconductor Packaging Engineer

Sigma Design is a product development, engineering, and manufacturing firm. Based out of the Pacific Northwest, we offer innovative concept through production services to diverse clients around the globe. Sigma Design believes in hiring, developing, and recognizing the best. We offer competitive compensation, a 401(k) with up to 4% company match, quarterly bonus program, 15-days of accrued PTO and 9 company paid holidays. In addition, Sigma Design has multiple options for medical insurance and dental insurance. We also offer voluntary benefits: vision, long-term disability, and life insurance.

Position Details:

This position will be In-Office
$115,000 - $140,000 annually
This is a contract position with an expected duration of 12 months and the opportunity to be extended.

Primary Function:
The Semiconductor Packaging Engineer is responsible for developing, executing, and optimizing semiconductor and advanced packaging assembly and integration processes. This role supports the design, fabrication, and validation of advanced electronic packaging solutions for heterogeneous, flexible, and stretchable electronic systems, while collaborating across research, hardware, and manufacturing teams to improve device performance, reliability, and scalability.

Essential Job Functions - Responsibilities:

Lead assembly and integration engineering efforts with emphasis on Surface Mount Technology (SMT), Die Bond/Wire Bond processes, and support activities related to molding, laser fabrication, panel or wafer lamination, and component thinning, planarization, and dicing.
Develop and implement advanced packaging solutions to enable heterogeneous, flexible, and stretchable integration of electronic components and devices.
Design and oversee internal, external, and hybrid manufacturing workflows to accelerate development, integration, and scale-up of advanced electronic packaging technologies.
Develop new methods and processes to close technology gaps, improve device performance, and increase manufacturing yield through process innovation and optimization.
Design and execute experiments (DOE), analyze experimental results, and apply findings to improve packaging processes, device performance, and yield.
Execute hands-on fabrication workflows using advanced packaging and assembly equipment, identify in-line process issues, and propose solutions or workarounds to improve manufacturing performance.
Collaborate closely with researchers, hardware engineers, system integration teams, and external manufacturing partners to support the development and production of advanced electronic packaging solutions.
Support the development and use of high-performance electronic materials in advanced packaging environments.
Contribute to instrumentation development, process characterization, mechanical or layout design, and data analysis methods used in hardware research and development environments.
Follow Business Technology policies to protect sensitive data and reduce information security occurrences.

Education and Experience: (Knowledge, Skills, & Abilities)

Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Aerospace Engineering, Chemical Engineering, Applied Physics, Materials Science, or related technical field or equivalent professional experience required
Minimum of 1+ years of relevant work experience in semiconductor manufacturing, advanced packaging, or related electronics manufacturing environments preferred
Strong background in semiconductor or advanced packaging processes, including wafer-level or panel-level manufacturing
Hands-on experience working with semiconductor assembly and packaging equipment
Experience designing and executing Design of Experiments (DOE), analyzing results, and optimizing manufacturing yield
Experience collaborating across research and development, hardware engineering, and manufacturing teams
Strong analytical, troubleshooting, and problem-solving skills with an innovation and scalability mindset
Experience with advanced packaging technologies such as Flexible Printed Circuits (FPC), Printed Circuit Board Assembly (PCBA), 2.5D/3D integration, or related electronic packaging technologies
Experience working with back-end-of-line (BEOL) and advanced packaging processes including technologies such as thinning, grinding, dicing, soldering, eutectic bonding, electrochemical deposition or metal finishing, through-silicon vias (TSV), flip-chip bonding, wire or die bonding, bumping, thermocompression bonding, copper pillar bonding, hybrid bonding, underfill processes, and overmolding or encapsulation
Experience handling and integrating thinned electronic components as part of advanced packaging workflows
Demonstrated success developing or maturing hardware research processes including instrumentation, characterization, mechanical or layout design, and/or advanced data analysis techniques
Experience developing or applying high-performance electronic materials in semiconductor or advanced packaging environments
Experience with advanced packaging domains including Flexible Printed Circuits (FPC), Multi-Chip Modules (MCM), System-in-Package (SiP), 2.5D/3D integration, Flexible Hybrid Electronics (FHE), or similar technologies preferred
Experience performing reliability testing and failure analysis including die or ball shear testing, wire pull testing, X-ray inspection, C-SAM inspection, thermal cycling, and environmental testing preferred
Experience with wearable technologies or technical soft goods preferred
Experience with hermetic or MEMS packaging, thermal management materials, or injection/transfer molding processes preferred
Experience using Finite Element Analysis (FEA) modeling or simulation tools to accelerate design and prevent failures preferred
Experience in System-in-Package (SiP) or Multi-Chip Module (MCM) design, manufacturing, and validation preferred
Experience with signal integrity or power integrity simulation tools (e.g., HFSS) and validation preferred
Strong written and verbal English language communication skills
Excellent teamwork/interpersonal skills and the ability to communicate effectively
Demonstrated ability to work collaboratively, both within and outside one's own work group
Demonstrate commitment and adherence to Sigma Design Core Values
Pass a post-offer background verification

Work Environment
Standard lab/production environment. Appropriate safety garments (PPE) must be worn. Occasionally may be required to work in environmental conditions that emulate typical user environments in order to facilitate design testing and validation. Occasionally may be required to travel as required to other facilities, clients, or suppliers. Must be able to stand and work as long as 12 hours in different positions. Must be able to lift up to 50 pounds unassisted.

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