Senior Principal Mixed Signal Design Engineer (Hybrid)

Prattwhitney; Goleta (CA); Hybrid; USD 146,000 - 277,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision care

401(k) match

Paid time off

Job summary

Raytheon Vision Systems is searching for a Senior Principal Mixed Signal Design Engineer to join our team in Goleta, CA or Phoenix, AZ. The role focuses on ROICs, analog/digital interfaces, and image sensor tech with cross-functional collaboration.

The position requires deep CMOS IC design experience, strong skills in mixed-signal circuits, and hands-on CAD tool expertise. This is a hybrid onsite role offering competitive compensation and security clearances.

Qualifications

• Experience in full-custom CMOS IC design at transistor level.
• Experience with IC design flows and CAD tools (Cadence, Mentor).
• Proficiency in MATLAB and Python for analysis and scripting.

Responsibilities

• Design, develop, and characterize ROICs for advanced sensing systems.
• Assess process flow from design to place-and-route, timing, and power.
• Define module interfaces for simulation and system integration.
• Coordinate cross-functional teams for complex, multidisciplinary projects.
• Communicate status and technical concepts to senior stakeholders.

Skills

CMOS IC design

Mixed-signal design

Verilog/SystemVerilog

MATLAB

Python

Circuit simulation

Education

B.S./M.S. in STEM

Advanced degree in related field

Tools

Cadence

Mentor Graphics

Job description

Date Posted: 2026-08-10 Country: United States of America Location: US-CA-GOLETA-B01 ~ 6825 Cortona Dr ~ BLDG B01 Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not Required

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon Vision Systems is seeking a talented Senior Principal Mixed Signal Design Engineer to join our design team. This position will be hybrid based in Goleta, CA or Phoenix, AZ. As part of this team, you will collaborate in a fast-paced multidisciplinary team environment to develop cutting-edge image sensor products. You will participate in mixed-signal ASIC/ROIC development activities with cross-functional teams including chip architecture, specification, design, verification, validation, fabrication, packaging, debugging, test development, failure analysis, and documentation.

What You Will Do

• Design, develop, and characterization of Readout Integrated Circuits (ROICs) for advanced sensing systems.
• Evaluate various aspects of the process flow from design to synthesis, place and route, timing and power use.
• Candidate also must be able to determine architecture design, logic design, and system simulation and define module interfaces for simulation.
• Design mixed-signal integrated circuits for image sensors, including analog signal chain, digital timing and image processing, and low-power 12 - 14 bit on-chip analog to digital converters.
• Guide and coordinate teams of highly skilled engineers in complex, multidisciplinary technical environments.
• Communicate complex technical concepts and program status through briefings and technical reviews with senior government and customer stakeholders, including flag officer - level leadership.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience or an advanced degree in a related field and a minimum of 7 years of prior relevant experience.
• Experience leading program development for commercial, defense, and/or space industries to complete designs on schedule and within allocated budget.
• Experience with semiconductor device physics, semiconductor processing, linear IC design, simulation, layout (i.e. hand layout critical analog & mixed-signal circuits), and testing.
• Experience in full-custom CMOS Integrated Circuit (IC) design at the transistor level.
• Experience with IC Design Flows and any of the following tools: CAD tools such as Cadence and Mentor Graphics (Siemens).
• Analysis & programming tools such as MATLAB.
• Computer programming or scripting language such as Python.
• High-end UNIX based software design tools for circuit simulation, transistor model extraction, noise analysis, linear design, layout and layout automation, and verification.
• Modelling experience with System Verilog/Real Modelling/Verilog AMS and coding synthesizable RTL.

Qualifications We Prefer

• Advanced digital design skills such as experience with Conformal, experience with Digital-on-top mixed-signal design flow including utilization of Innovus for final chip construction, and experience writing behavioral models for digital circuits and analog/mixed signal interfaces and circuits.
• Experience with certain IP and circuit blocks such as LVDS transmitters and receivers, low noise and low power amplifiers, ADC design, PLL/Transmitter design and radiation and cryogenic tolerant design techniques.
• Knowledge of high-end UNIX based software design tools for circuit simulation, transistor model extraction, noise analysis, linear design, layout and layout automation, and verification is preferred.
• Familiarity with ROIC architecture, design concepts, operational control and timing.

What We Offer

• Safety
• Trust
• Respect
• Accountability
• Collaboration
• Innovation

This position is relocation eligible.

Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position is hybrid onsite work in Goleta, CA or Phoenix, AZ: Welcome to Raytheon in Goleta, CA This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), 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: https://www.state.gov/m/ds/clearances/c10978.htm #LI-TR1 As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 145,600 USD - 276,800 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.

• medical
• dental
• vision
• life insurance
• short-term disability
• long-term disability
• 401(k) match
• flexible spending accounts
• flexible work schedules
• employee assistance program
• Employee Scholar Program
• parental leave
• paid time off
• holidays

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.