Electrical Engineer III Communications

OTTO Engineering, Inc.; Carpentersville (IL); On-site; USD 95,000 - 130,000; Full time

Job summary

OTTO Engineering, Inc. in Carpentersville, IL seeks an Electrical Engineer III – Communications to lead full‑cycle product development, from design and bring‑up to validation and customer support.

You will design digital and analog circuits, specify components, and develop audio and power programs, collaborating across IA teams to ensure EMC, regulatory compliance, and robust documentation.

Qualifications

• Experience with digital, analog, and audio circuit design.
• Proficiency in interfaces such as SDIO, IC, SPI, RS-232, UART, JTAG, and serial/parallel connections.
• Knowledge of GPS, accelerometers, IMUs, speakers, microphones.
• Familiarity with Bluetooth, USB, and related protocols.
• Schematic/layout tools; Altium preferred.

Responsibilities

• Lead full-cycle development, driving design, bring-up, HW/SW integration, factory support, validation, and customer support.
• Own component selection, specifying and evaluating components for performance, reliability, and manufacturability.
• Design digital systems, architect interface logic, sensors, peripherals, microprocessors, memory, and connectivity.
• Develop audio circuitry, working with A/D and D/A converters, audio power amps, op-amps, and signal-chain components.
• Engineer advanced analog circuits: filters, FETs, linear/switch‑mode power supplies, battery monitoring, and charging.
• Validate product performance through test, analysis, and documentation to meet customer and regulatory requirements.
• Support existing products by implementing updates, troubleshooting issues, and assisting factory and field teams.
• Create production‑ready documentation: schematics (Altium), BOMs, ECNs, test plans, and specifications.
• Guide PCB design, providing direction on routing, high‑speed interfaces, impedance control, power distribution, and EMC compliance.
• Perform hands‑on troubleshooting using oscilloscopes, DMMs, and lab equipment.
• Define and execute testing: performance, reliability, EMC, and failure‑analysis.
• Establish production test requirements: board‑level and end‑of‑line test strategies and equipment selection.
• Collaborate cross‑functionally with Sales, Quality, Mechanical, Firmware, and Manufacturing Engineering.
• Drive design reviews, participate in DFMEAs to ensure robust, high‑quality designs.
• Ensure regulatory compliance by coordinating with test labs and agencies.
• Support project planning, defining timelines and ensuring adherence to schedules.
• Take on evolving challenges, contributing to additional engineering tasks as projects grow and shift.

Skills

Digital circuit design

Analog circuit design

Audio circuitry

High-speed interfaces

EMC/Regulatory knowledge

Tools

Altium

Job description

Electrical Engineer III – Communications (OTTO Engineering)

Responsibilities

• Lead full‑cycle development, driving design, bring‑up, HW/SW integration, factory support, validation, and customer support.
• Own component selection, specifying and evaluating components for performance, reliability, and manufacturability.
• Design digital systems, architect interface logic, sensors, peripherals, microprocessors, memory, and connectivity.
• Develop audio circuitry, working with A/D and D/A converters, audio power amps, op‑amps, and signal‑chain components.
• Engineer advanced analog circuits: filters, FETs, linear/switch‑mode power supplies, battery monitoring, and charging.
• Validate product performance through test, analysis, and documentation to meet customer and regulatory requirements.
• Support existing products by implementing updates, troubleshooting issues, and assisting factory and field teams.
• Create production‑ready documentation: schematics (Altium), BOMs, ECNs, test plans, and specifications.
• Guide PCB design, providing direction on routing, high‑speed interfaces, impedance control, power distribution, and EMC compliance.
• Perform hands‑on troubleshooting using oscilloscopes, DMMs, and lab equipment.
• Define and execute testing: performance, reliability, EMC, and failure‑analysis.
• Establish production test requirements: board‑level and end‑of‑line test strategies and equipment selection.
• Collaborate cross‑functionally with Sales, Quality, Mechanical, Firmware, and Manufacturing Engineering.
• Drive design reviews, participate in DFMEAs to ensure robust, high‑quality designs.
• Ensure regulatory compliance by coordinating with test labs and agencies.
• Support project planning, defining timelines and ensuring adherence to schedules.
• Take on evolving challenges, contributing to additional engineering tasks as projects grow and shift.

Qualifications

• Experience with digital, analog, and audio circuit design.
• Proficiency in interfaces such as SDIO, IC, SPI, RS‑232, UART, JTAG, and serial/parallel connections.
• Knowledge of GPS, accelerometers, IMUs, speakers, microphones.
• Familiarity with Bluetooth, USB, and related protocols.
• Experience with schematic/layout tools; Altium preferred.
• Strong technical depth, initiative, and ability to work independently or in a team with minimal supervision.