Senior Hardware Systems Engineer – Smart Home IoT

ASSA ABLOY Sicherheitstechnik GmbH; Lake Forest (IL); On-site; USD 97,000 - 152,000; Full time

Job summary

ASSA ABLOY Sicherheitstechnik GmbH in Lake Forest, CA seeks a Senior Hardware Systems Engineer to lead hardware development for connected security products used across North America. You will guide cross‑functional teams including firmware, mechanical, and cloud developers, driving design reviews, validation, and release readiness.

The role emphasizes hands-on debugging, EMS/DFM practices, and mentoring engineers to achieve reliable, manufacturable hardware while coordinating with product teams

Qualifications

• Strong hardware architecture, interface definition, and validation planning experience.
• Proven board-level design, component selection, and electro-mechanical debugging skills.
• Experience with DFM/DFA, FMEA/PFMEA, compliance, reliability, and manufacturing readiness.
• Practical experience with prototype builds, pilot runs, change control, and release documentation.
• Ability to mentor engineers and lead technical execution for hardware projects.
• Solid MCU layout skills including power and signal analysis.
• Experience with chip-to-chip communication protocols or interfaces (I2C, SPI, UART, etc.).
• Ability to debug hardware, including hardware bring-up, debugging RF, logic probing, and voltage measurements.
• Multi-Layer PCB layout & Schematics (Altium preferred).
• Familiarity with BOM’s and vendor component approval.
• Familiarity with issue-tracking software such as Jira, collaboration tools such as Confluence, and version control.
• Organized, able to multitask, and able to manage multiple projects simultaneously with varying degrees of complexity, priority, and urgency.
• Keen sense of urgency, ownership, and follow‑through.
• Effective communicator who is passionate, flexible, collaborative, able to work independently, able to set goals, and brings a positive "can-do" attitude.
• Excellent documentation practices.

Responsibilities

• Lead hardware project execution for assigned products or major subsystems.
• Define system‑level interfaces, component strategy, and validation plans.
• Mentor hardware engineers and provide technical guidance on design quality.
• Drive complex debugging and root‑cause analysis across electro‑mechanical systems.
• Lead design and reviews for schematics, layouts, drawings, BOMs, tooling, and test results.
• Manage prototype assemblies, pilot builds, bring‑up, and design verification.
• Partner with firmware, mechanical, manufacturing, quality, operations, and supply chain teams.
• Manage technical risks, tradeoffs, change control, and release readiness.
• Improve development, DFM/DFA, validation, and documentation practices.
• Ensure hardware quality, reliability, manufacturability, and compliance readiness.

Skills

Hardware architecture

Board design

DFM/DFA

FMEA/PFMEA

Prototype builds

Schematic/Layout

Altium

I2C/SPI/UART

RF debugging

Jira

Confluence

Version control

Cross-functional

Mentoring

Tools

Altium

Jira

Confluence

Version control

Job description

ASSA ABLOY Sicherheitstechnik GmbH in Lake Forest, CA seeks a Senior Hardware Systems Engineer to lead hardware development for connected security products used across North America. You will guide cross‑functional teams including firmware, mechanical, and cloud developers, driving design reviews, validation, and release readiness.

The role emphasizes hands-on debugging, EMS/DFM practices, and mentoring engineers to achieve reliable, manufacturable hardware while coordinating with product teams