Sr Semiconductor Device Modeling Engineer

RTN 2 (Raytheon IDMS)
Andover, MA 01810
About Us:

At Raytheon Missiles & Defense, you have the opportunity to try new things and make a bigger difference across a broader end-to-end solution, a richer technology and product set, an expanded range of disciplines, a growing global footprint and a more diverse team of colleagues and customers.

Job Summary:

An exciting opportunity exists at Raytheon Missiles & Defense (RMD) for a Sr. Semiconductor Device Modeling Engineer I/II to join our fast-paced Foundry Services / Design Enablement Section within the Advanced Microelectronics Solutions (AMS) Department.

AMS, part of Raytheon Missiles and Defense (RMD) business unit, designs, develops, and manufactures compound semiconductor devices, microwave/millimeter-wave integrated circuits, and modules for defense applications. As a Senior Semiconductor Device Modeling Engineer working with our advanced GaN and GaAs technologies, you will be responsible for the generation of active and passive compact circuit simulation models to support the development of products fabricated in our III-V semiconductor foundry. These models will be used by our MMIC design teams across Raytheon to create Monolithic Microwave Integrated Circuits (MMICs) for use in advanced defense electronic systems.

Responsibilities to Anticipate:
  • Design and layout of device modeling test structures and chips
  • Evaluation, use, and support of hardware and software for measurement and parameter extraction
  • Definition and execution of device characterization test plans including static & pulsed I-V, C-V, CW & pulsed bias S-Parameter, load/source-pull, TOI, and noise measurements
  • Analysis of parametric test data, collection and analysis of modeling device data, and extraction of device compact models
  • Development of advanced device model formulations and model extraction algorithms
  • Release of compact models into MMIC Process Design Kits (PDKs) in Keysight ADS, and publication of device model documentation and foundry design manuals
  • Assisting device and process engineers in analysis and understanding of the detailed performance of various semiconductor active and passive devices through direct measurement and/or TCAD simulation
  • Assisting EDA engineers in development and testing of MMIC PDKs in Keysight ADS
  • Work with MMIC design teams to understand model limitations and opportunities for improvement
An advanced degree in a related field may be substituted for two additional years of experience.

Qualifications You Must Have:
  • BS in Engineering or Applied Physics, or other related discipline
  • Minimum of five years of experience
  • Experience with semiconductor device physics and network theory/microwave engineering concepts
  • Hands-on experience with semiconductor device characterization (measurement setup and execution) such as static & pulsed I-V, C-V, CW & pulsed bias S-Parameter, load/source-pull, TOI, and noise measurements
  • Hands-on experience with device/circuit simulation using SPICE or related simulation tools
  • The ability to obtain and maintain a US security clearance. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance

Qualifications We Value:
  • MS degree in Engineering
  • Have a background in III-V compound semiconductors as well as a thorough knowledge of the entire model development process including test structure design, parameter extraction, model validation, and preparation of model documentation/review packages
  • Experience with:
  • Semiconductor device physics concepts with emphasis on compound semiconductor HEMTs
  • Lumped element equivalent-circuit models for high-frequency transistor devices
  • Non-linear compact model parameter extraction and validation techniques
  • Verilog-A behavioral modeling language and its use for compact model development including direct experience developing advanced device model formulations and model extraction algorithms
  • Hands-on experience with high-frequency (microwave/millimeter wave) and large-signal/high power test equipment such as Keysight or Anteverta NVNAs
  • Experience using statistical data analysis tools such as MATLAB, JMP, or Excel
  • Experience with scripting languages such as Python in a Linux environment
  • Experience with multi-physics simulations especially for electromagnetic and electro-thermal analysis
  • Knowledge of power amplifiers, low-noise amplifiers, high power switches/limiters, and related circuits
  • Understanding of III-V integrated circuit manufacturing processes and concepts
  • Experience with field effect transistor models such as MVSG, ASM-HEMT, Angelov, EEHEMT, PSP, BSIM4, etc.
  • Experience using Keysight Advanced Design Systems and Cadence Virtuoso integrated circuit design platforms (schematic capture, layout, verification, data visualization, and simulation engines)
  • Experience with setup/development/use of Keysight IC-CAP or other commercial and/or custom measurement and parameter extraction software

What We Offer:

Whether youre just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

Additional Details:

Clearance Information: This position requires the eligibility to obtain a security clearance. Non-US citizens may not be eligible to obtain a security clearance. The Defense Industrial Security Clearance Office (DISCO), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here:


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Sr Semiconductor Device Modeling Engineer

RTN 2 (Raytheon IDMS)
Andover, MA 01810

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