Ener Sys is a global leader in stored energy solutions for industrial applications. We have over thirty manufacturing and assembly plants worldwide servicing over 10,000 customers in more than 100 countries. Worldwide headquarters are located in Reading, PA, USA with regional headquarters in Europe and Asia. We complement our extensive line of Motive Power and Energy Systems with a full range of integrated services and systems. With sales and service locations throughout the world, and over 100 years of battery experience, Ener Sys is the power/full solution for stored DC power products.
Job Purpose
At Ener Sys, we don't just build batteries ; we power the systems behind the global energy transition.
As electrification accelerates across industries, we are scaling next-generation
energy storage and IoT platforms
used worldwide.
We are looking for a
Lead IoT Software Engineer
ready to build, lead, and shape what comes next.
If you enjoy working at the intersection of
embedded systems, cloud, and real-world impact:
this role is for you.
Why join Ener Sys?
Be part of the global shift toward
sustainable energy
Work on
real-world industrial IoT systems
, not just prototypes
Collaborate across international teams with
global visibility
Take ownership of systems that matter - from embedded devices to cloud platforms
The impact you will make
You will play a critical role in designing and delivering the software powering next-generation energy storage systems.
From embedded Linux devices to cloud-connected APIs, your work will ensure that our IoT platforms are secure, scalable, and ready for global deployment.
What you will do
Lead a team of software engineers through Agile sprint cycles
Design and develop
embedded software (C/C++/Python) on Linux (ARM)
Build and integrate
APIs, backend services, and IoT cloud solutions
Drive technical decisions and
architecture improvements
Debug and prototype on hardware platforms
Ensure high standards of
security, performance, and reliability

Collaborate with global teams across engineering and product
Why this role is exciting
You'll work at the intersection of
hardware, software, and cloud
Your code will power
critical infrastructure in the energy transition
You'll have
real ownership
, not just implementation tasks
You'll influence how systems are designed - not just built
What will help you succeed
We're looking for experienced engineers who:
Have a strong background in
IoT or embedded software engineering
Understand
distributed systems, APIs, and cloud-native architectures
Are comfortable working across
embedded + backend environments
Can translate complex requirements into robust technical solutions
Bring a
hands-on mindset with leadership capability
Thrive in Agile and international environments
Technical Skills
Embedded Linux (Yocto), Docker, Azure IoT
Industrial protocols (MQTT, Modbus, Web Socket)
Hardware interfaces (CAN, SPI, I2C, RS485)
Experience in energy systems or industrial IoT
What we offer
Flexible working model (remote, with occasional travel to our sites in France or Italy, or hybrid working options available)
Opportunity to work on
cutting-edge IoT platforms with global impact
Strong learning culture: courses, conferences, and development support
International collaboration with talented engineering teams
High ownership and autonomy in technical decisions
Diversity & Inclusion
At Ener Sys, we believe diverse teams build better solutions. We welcome applications from all backgrounds and experiences and are committed to creating an inclusive environment where everyone can thrive.
Ready to make an impact?
Apply now and help us power the future of energy and electric mobility.
Ener Sys provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Lead Iot Software Engineer

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