1KOMMA5° · 1 day ago
(Senior) IoT Hardware Engineer (m/f/d)
United States
Full-time
Remote
Senior Level
5+ years exp1KOMMA5° is building Germany's largest one-stop-shop for sale, installation, and services related to solar, heat pumps, electricity, and charging infrastructure. As an IoT Hardware Engineer, you will be responsible for the hardware architecture of the 1K5 Heartbeat Gateway, ensuring its reliability, scalability, and compliance while coordinating with various teams.
Charging InfrastructureEnergyEnergy StorageRenewable Energy
Responsibilities
Own the hardware architecture of our IoT gateway, from concept and component selection through production and lifecycle management
Work closely together with the product manager to define system-level requirements covering performance, reliability, security, manufacturability, and cost
Act as the main interface between hardware, embedded software, and manufacturing, ensuring tight alignment across disciplines
Oversee board-level validation, debugging, and failure analysis during prototyping, pilot runs, and field operation
Define and support hardware test strategies for production, including manufacturing flashing processes
Drive hardware-related certification activities (e.g. CE, EMC, safety, radio), working with external labs and internal stakeholders
Support secure hardware foundations, including secure boot enablement in collaboration with embedded software colleagues
Manage hardware revisions, BOM management, and supply-chain constraints over the product lifecycle
Qualification
Required
Bachelor's or Master's degree in Electrical Engineering, Electronics Engineering, or a related field
5+ years of experience in hardware engineering for embedded or IoT systems
Proven experience owning hardware designs from specification through production
Strong experience coordinating and technically steering external hardware development partners
Solid understanding of embedded systems constraints and hardware–software interaction
Hands-on experience with hardware validation, debugging, and root-cause analysis
Practical exposure to certification processes and working with external test labs
Familiarity with manufacturing processes, production testing, and supply-chain considerations
Ability to work autonomously as the hardware specialist within a cross-functional team
Strong analytical skills and a structured, detail-oriented working style
Clear and effective communicator in English (German is a plus)
Preferred
Previous work on energy-related hardware
Prior involvement in field-return analysis and systematic hardware root-cause investigations
Experience contributing to cross-functional architectural decisions beyond a single discipline
Passion for climate tech and distributed energy systems
Benefits
You are part of a dynamic team with people who prove every day that they can make things happen and move companies forward with great positive impact
You move in flat hierarchies and have short decision-making paths. You can learn a lot quickly and get involved at different levels
You will be welcomed by a friendly and familiar team
You are part of the energy transition and recognize in your daily work what purpose it serves
You can work in one of our offices in Hamburg, Berlin or Munich
You create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
Benefits and discounts are yours with Futurebens
Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time
Company
1KOMMA5°
1Komma5° is a home electrification and climatetech company that provides intelligent energy solutions and promotes a CO₂-neutral lifestyle.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$704.06MKey Investors
Sabanci Climate TechnologiesHamilton Lane2150
2025-07-28Series Unknown
2024-12-20Series Unknown· $156.47M
2024-03-04Private Equity
Leadership Team
Philipp Schröder
Co-Founder & CEO
Jannik Schall
Co-Founder & CPO
Recent News
ClimateHack Weekly
2025-10-25
Tech Funding News
2025-10-09
Company data provided by crunchbase