System Integration Engineer (Mid/Senior)

Lyten; Stockholms kommun; On-site; SEK 550,000 - 750,000; Full time

Job summary

Lyten Poland is seeking a Middle/Senior System Integration Engineer to lead the integration, validation, and commissioning of advanced Battery Energy Storage Systems (BESS). You will work across engineering, software, and customer-facing teams to ensure all system components function together safely and reliably.

This role requires 2–5+ years of energy storage experience, strong problem-solving, and excellent communication in a fast-paced, international environment.

Qualifications

• 2-5+ years of engineering experience in large-scale energy storage or power systems.
• Proven track record integrating and commissioning battery-based storage solutions.
• Ability to read and interpret schematics, wiring diagrams, and control-system logic.
• Experience interpreting firmware and control-logic code for BMS/cloud interfaces.
• Strong communication skills to explain technical concepts to non-technical audiences.
• Bachelor’s in Electrical Engineering, Power Engineering or related field; Master’s preferred.

Responsibilities

• Serve as technical bridge between product teams and end-users.
• Define, integrate, and validate BESS projects from concept to commissioning.
• Collaborate with sales, hardware, software, and field service teams.

Skills

System integration

Battery storage

Schematics reading

Firmware analysis

Communication

Troubleshooting

Testing & commissioning

Project coordination

Training

English proficiency

Education

Bachelor’s in Electrical Engineering or Power Engineering

Master’s degree preferred

Tools

BMS software

Cloud interfaces

Job description

Overview

Lyten is leading an industrial revolution through Lyten 3D Graphene™, a breakthrough supermaterial unlocking a new generation of products—from lithium–sulfur batteries and energy storage systems to concrete admixtures, lightweight composites, and next‑generation sensors that are revolutionizing industries. We’re entering an exciting growth phase, scaling production across the U.S. and Europe and expanding our team of engineers, scientists, and innovators.

We are expanding our Lyten Poland BESS operations and are looking for a Middle/Senior System Integration Engineer who will lead the integration, validation, and commissioning of advanced Battery Energy Storage Systems (BESS). This role is critical to ensuring reliable system performance, seamless deployment, and successful delivery of solutions tailored to customer needs. You will work across engineering, software, and customer‑facing teams to ensure all system components function together efficiently, safely, and in compliance with applicable standards.

Responsibilities

• As a Middle/Senior System Integration Engineer, you will be the technical bridge between our product teams and end‑users.
• You will lead the definition, integration, and validation of BESS projects from concept through commissioning, ensuring that each installation meets performance, safety, and regulatory requirements.
• The role involves close collaboration with sales, system integrators, hardware engineers, software developers, and field service teams.

Qualifications

• 2-5+ years of engineering experience in large‑scale energy storage, power systems, or related fields.
• Proven track record integrating and commissioning battery‑based storage solutions.
• Ability to read and interpret schematics, wiring diagrams, and control‑system logic.
• Proficiency to interpret and analyze software code (firmware, control‑logic scripts, configuration files) to verify that embedded BMS and cloud‑interface implementations meet functional requirements.
• Strong communication skills—able to convey complex technical concepts to non‑technical audiences.
• Excellent problem‑solving skills, strong analytical mindset, and comfort with field troubleshooting.
• Bachelor’s (minimum) in Electrical Engineering, Power Engineering, or a closely related discipline; master’s preferred.
• Work with BMS software, and cloud teams to align firmware updates, data‑analytics integration, and remote monitoring capabilities.
• Develop and execute commissioning test plans (factory acceptance test, site acceptance test, performance verification).
• Troubleshoot field issues and provide technical support to customers and internal teams.
• Assist project managers with schedules and risk assessments; provide technical status updates to stakeholders.
• Conduct training sessions for customers and internal staff and maintain a knowledge base of best practices.
• Excellent English skills, both written and spoken.
• Willing to take ownership, fulfilling project lifecycles from conception to completion in a passionate and purpose‑driven way.
• Ability to troubleshoot complex issues and collaborate closely with other teams in a fast‑paced, international environment.
• Be curious and motivated to see your work being used in everyday life by our customers.
• Qualities that we cherish are flexibility, sense of quality, friendliness, motivation to take on challenges, a sense of humor and positive energy.

Why Work at Lyten

At Lyten, you’ll be part of a team that’s redefining what’s possible in energy, materials, and manufacturing. We’re not just imagining the future — we’re building it today with breakthrough technologies that are changing how products are made and how industries innovate.

Our people are the heart of that mission. From world‑class scientists and engineers to creative problem‑solvers in operations, manufacturing, and commercialization, every member of the Lyten team plays a role in turning bold ideas into real‑world impact. Collaboration, curiosity, and a shared sense of purpose drive everything we do.

What You’ll Find at Lyten

• A mission that matters: Contribute directly to solving complex challenges in energy, mobility, and materials innovation.
• Cutting‑edge innovation: Work on technologies at the intersection of materials science, energy storage, and advanced manufacturing that strengthen energy security and local supply chains.
• Extraordinary people: Join a team of talented, friendly, and down‑to‑earth innovators who support, challenge, and inspire one another every day.
• Teamwork and culture: Experience a workplace built on trust, respect, and shared success — where collaboration fuels breakthroughs and everyone’s ideas are heard.
• Global impact: Help scale new materials and energy solutions that reinforce industrial resilience across the U.S. and Europe.
• Career growth: Be part of a fast‑moving company entering a commercial growth phase, with opportunities to lead, learn, and make your mark.
• Purpose‑driven values: Thrive in an environment that celebrates ingenuity, optimism, and meaningful progress — together.