Engineering-First Culture
High autonomy, low bureaucracy, and space to build meaningful products.
Career Opportunities
Join our team and help shape the future of renewable energy, AI and advanced technology.
WHY KIEFER
Work on What Powers Europe's Intelligent Future
KIEFER is building Greece's integrated AI ecosystem. From renewable energy infrastructure and AI systems to robotics and enterprise applications, we connect the technologies that power Europe's intelligent future.
KIEFER TEK Ltd is a leading EPC contractor in the renewable energy sector, delivering complex energy infrastructure projects across Greece.
LIFE AT KIEFER
What Is There for You
AI-Native Challenges
Real problems across LLMs, ASR, GPU workloads and production AI systems.
NVIDIA Ecosystem
In the technology team: access to related conferences, certifications, internal knowledge sharing and advanced AI infrastructure through Kiefer's strategic collaboration.
Energy Infrastructure
Delivery of complex energy infrastructure projects across Greece, including a growing battery storage (BESS) portfolio.
OPEN POSITIONS
Energy (3)
Senior Sales Executive — Energy Storage (BESS)
KIEFER TEK is expanding its EPC capabilities in energy storage and is looking for a senior commercial leader to drive the growth of its BESS business
Project Manager (BESS)
KIEFER TEK Ltd is a leading EPC contractor in the renewable energy sector, delivering complex energy infrastructure projects across Greece.
Payroll & HR Operations Specialist
KIEFER is looking for a Payroll Specialist to join our HR team in Athens.
OPEN POSITIONS
Technology (8)
ML Team Lead (Sophea AI)
We are looking for an ML Team Lead to join Kiefer Tech and lead our ML Engineering team.
Data Center Operations manager
We are seeking a seasoned Mechanical or Electrical Engineer to lead the operations of our new data center.
ML Engineer — Robotics
We are looking for an ML Engineer to develop capabilities that work on physical robots. You will take ideas from model and data experiments through robotics integration and evaluation on real hardware.
ML Engineer — Agents & LLMs
We are looking for an ML Engineer to improve the agent and long-context LLM capabilities behind Kiefer Tech’s AI products.
ML Engineer — NLP (Polish)
We are looking for an ML Engineer to improve how our language models work for Polish users.
Senior Enterprise Sales Director, Energy & Grid Infrastructure
We are looking for a Senior Enterprise Sales Director to own the commercialization of KIEFER's AI, Robotics, and Operational Intelligence stack directly with major utilities, grid operators, and energy conglomerates in…
ML Engineer — ASR
We are looking for an ML Engineer to improve automatic speech recognition (ASR) for Sophea Meet.
MLOps Engineer
We are looking for an MLOps Engineer to build the infrastructure and tools that support ML work at Kiefer Tech.
HOW TO APPLY
Apply and Stay in Touch
Every role is posted on our job board, where you can apply directly.