Stem

Project Engineer (m/w/d)

Join Stem in Berlin as a Project Engineer supporting utility-scale clean energy projects. This role involves project delivery, network design, EMS configuration, and commissioning support. Enjoy a collaborative culture, mentoring, and benefits like UrbanSports and public transit subsidies.
Stem
Stem
Berlin, Germany On-site Full time UTC+02:00

Stem

Company Overview

Name

Stem, Inc.

Headquarters

San Francisco, CA, United States

Founded

2009

Size

Approximately 1,000 employees (source: linkedin.com). Revenue of $462 million in 2023 (source: bizjournals.com). Contracted backlog exceeding $1.6 billion by early 2024 (source: junkbondinvestor.com).

What They Do

Stem focuses on AI-driven clean energy solutions, particularly energy storage integrated with solar technologies. Their flagship software, the PowerTrack suite (formerly known as Athena), provides comprehensive asset monitoring, analytics, remote diagnostics, SCADA, power plant control, and optimization for solar-plus-storage systems (source: stem.com). The company’s offerings include hardware sourced from original equipment manufacturers (OEMs), which accounted for approximately 85% of their revenue in 2023, alongside professional services for design, procurement, commissioning, and troubleshooting of storage and hybrid systems (source: junkbondinvestor.com). High-margin software and services are also provided for both behind-the-meter (BTM) and front-of-the-meter (FTM) utility-scale deployments, enabling functionalities such as virtual power plants (VPPs), demand response, frequency regulation, microgrids, electric vehicle (EV) charging, and bill optimization (source: substack.com). Their target markets include utility providers, commercial businesses, energy asset owners, EV fleets, and solar installations across North America and globally in over 50 countries.

Projects & Track Record

Stem has completed notable projects such as deploying 15 energy storage systems (ESS) in a single U.S. town, forming a VPP that utilizes their Athena software for demand response (source: substack.com). Another significant project involved a California State University deployment that offset $70,000 in annual costs while reducing grid strain by 1.4 MW, showcasing the effectiveness of their solutions in real-world applications (source: substack.com). In 2023, Stem secured the Project Polyphemus contract aimed at enhancing grid resilience through advanced storage and software that optimizes distribution across a wide network (source: dcfmodeling.com). Their ongoing efforts emphasize FTM utility-scale battery projects developed in collaboration with partners, layered with software and services, and VPP/grid services like frequency regulation (source: junkbondinvestor.com). Key clients include California State University, SunPower, and a diverse base of 16,000 customers, with approximately 30% overlap with AlsoEnergy's client base.

Recent Developments

In the last two years, Stem announced the 2023 Project Polyphemus contract win, further solidifying its position as North America’s largest VPP operator, as recognized by Wood Mackenzie (source: dcfmodeling.com). The company issued a $200 million 4.25% green convertible note in March 2023 to repurchase existing notes and fund operations, reflecting strategic cash flow management amid growth (source: junkbondinvestor.com). The acquisition of AlsoEnergy for $695 million in 2021 marked a significant milestone, adding substantial revenue and enhancing their software capabilities (source: nanalyze.com). Revenue growth has been notable, with figures reaching $462 million in 2023, up from $363 million in 2022, alongside a backlog exceeding $1.6 billion (source: junkbondinvestor.com). Recent milestones also include the rebranding of PowerTrack and a renewed focus on software amid hardware shifts, further establishing their market presence.

Working There

Stem offers a variety of roles across hardware sales for FTM projects, software engineering for the PowerTrack/Athena platform, and professional services that include engineering, operations, and optimization (source: stem.com). The company is actively hiring, particularly in San Francisco, California, where its headquarters is located, with opportunities in utility-scale and VPP-related fieldwork (source: linkedin.com). The culture at Stem is characterized by rapid scaling, with a tenfold revenue growth from 2020 to 2023, and a strong emphasis on AI innovation under CEO John Carrington since at least 2022 (source: bizjournals.com). While specific benefits are not detailed, the company highlights real-time expert support in professional services, suggesting access to advanced tools and a performance-driven structure for employees (source: stem.com). However, the high-pressure growth environment, influenced by SPAC origins and debt management, indicates a focus on maintaining margins and cash flow under investor scrutiny.


Last updated on Feb 25, 2026 | Report an issue

Stem is a global leader reimagining technology to support the energy transition. Turning complexity into clarity, and potential into performance.

We help asset owners, operators and stakeholders benefit from the full value of their energy portfolio by enabling the intelligent development, deployment, and operation of clean energy assets. Our integrated software suite, PowerTrack, is the industry standard and best-in-class for asset monitoring, supported by professional and managed services, under one roof. Meant to tackle challenges as seamlessly as possible, Stem shows the information needed clearly and accurately and helps harness raw data to inform actionable insight. With global projects managed in 55 countries - from Germany to Japan and across North America - customers have relied on Stem for nearly 20 years to maximize the value of their clean energy projects.

Stem's culture embodies diversity & inclusion beyond the traditional facets of gender, ethnicity, age, disabilities, and sexual orientation to include experience, personality, communication, work styles, and more. At our core, Stem is at the momentous intersection of clean energy and software technology where diverse ideas, experiences, and professional skills converge to make the inclusive culture we have today. Together, we are turning old school thoughts about software and energy into progressive, collaborative, and innovative solutions. By joining our team, you will be collaborating with data scientists, energy experts, skilled salespeople, thought-leading executives and more from a range of backgrounds. This intersection of ideas, beliefs, and skills is what makes us unique enough to lead the world's largest network of digitally connected energy storage systems.

What You Will Do

  • Support and execute project delivery for utility-scale EMS, BESS, and hybrid PV+BESS projects across Europe under the guidance of senior project engineers and managers.
  • Prepare and maintain project documentation including communication circuit diagrams, network topologies, interface specifications, and configuration sheets.
  • Support the design and documentation of communication network architectures - including VLAN configurations, managed switch parameterization, and fiber optic connectivity plans - under guidance of senior engineers.
  • Assist in cybersecurity and firewall configuration tasks for plant OT networks - including basic firewall rule review, VPN/remote access setup, and documentation of network security measures in line with project security requirements.
  • Configure monitoring, SCADA, and EMS platforms (PowerTrack, Edge EMS, Edge UI / HMI) according to project-specific requirements and engineering specifications.
  • Support EMS configuration and PPC parameter setup - including signal mapping, setpoint configuration, reactive power curves, and energy management profiles - working from engineering specifications in coordination with senior engineers and optimizer partners.
  • Coordinate with internal teams (engineering, product, support) and external stakeholders (customers, EPCs) to track project progress, resolve open items, and maintain delivery timelines.
  • Support commissioning activities - including pre-commissioning checks, communication testing, signal verification, and system validation - on-site or remotely.
  • Review and verify hardware and software specifications, ensuring alignment with customer requirements and applicable grid connection standards - including European grid codes (VDE, ENTSO-E RfG) and, where relevant, requirements from non-European markets.
  • Contribute to the development and improvement of project delivery templates, processes, and engineering standards.
  • Participate in technical discussions with customers and partners, building your expertise and client-facing confidence.
  • Collaborate daily with the Delhi-based engineering team and regularly with U.S.-based product and platform teams to coordinate documentation, configuration, and technical support tasks across time zones.
  • Support technical pre-sales activities as needed, including data gathering, site assessments, and scope reviews.

Who You Are

  • Bachelor's or Master's degree in Electrical Engineering, Renewable Energy, Automation, Power Systems, or a related field.
  • 2-5 years of professional experience in renewable energy, SCADA, EMS, power systems, or a related technical project delivery environment.
  • Basic to solid understanding of communication protocols (Modbus, IEC 61850, IEC 60870-5-104, DNP3) and network architectures for industrial or energy applications, including foundational knowledge of VLANs, managed switches, and network segmentation concepts for OT environments.
  • Familiarity with monitoring platforms, SCADA systems, or energy management systems - hands-on configuration experience is a strong plus.
  • Experience creating or reviewing technical documentation such as communication diagrams, wiring plans, or system specifications.
  • Proficiency in AutoCAD or similar design tools for electrical or communication documentation.
  • Good organizational skills and ability to manage tasks across multiple projects simultaneously.
  • Proficient in German and English (written and spoken).
  • Curiosity, willingness to learn, and a collaborative mindset - you are comfortable asking questions and growing your skills in a supportive team.
  • Willingness to travel within Europe for commissioning and customer meetings (approx. 10-15%).

What You Will Get

  • An international, growing company at the forefront of the global energy transition.
  • Flat hierarchies and short decision paths - real responsibility from day one, with room to grow.
  • A team-oriented, appreciative culture with mentoring from experienced senior engineers.
  • Berlin office location with a modern, collaborative working environment.
  • Subsidized UrbanSports subscription and BVG public transit ticket.
  • Company benefits including exclusive discounts on technology, dining, travel, and more.
  • Competitive salary, bonus plan

To learn more about Stem, visit our stem.com where you'll find information about our solutions, technology, partners, case studies, resources, latest news and more. Here are some relevant links:

Apply now

Job expired?

Please let Stem know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.

About the role

August 19, 2026

August 19, 2026

Full time

On-site

Company

Energy Storage

Stem

stem.com

  •  Berlin, Germany

2-5 years

UTC+02:00