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Elemental Excelerator
Elemental Excelerator

Sr. Controls Engineer



Boulder, CO, USA
Posted on Tuesday, November 28, 2023

Stem provides clean energy solutions and services designed to maximize the economic, environmental, and resiliency value of energy assets and portfolios. Stem’s leading AI-driven enterprise software platform, Athena®, enables organizations to deploy and unlock value from clean energy assets at scale. Powerful applications, including AlsoEnergy’s PowerTrack, simplify and optimize asset management and connect an ecosystem of owners, developers, assets, and markets. Stem also offers integrated partner solutions to help improve returns across energy projects, including storage, solar, and EV fleet charging. For more information, visit www.stem.com.

Stem’s culture embodies diversity & inclusion beyond the traditional facets of gender, ethnicity, age, disabilities, and sexual orientation to include experience, personality, communication, workstyles, 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.

The Senior Controls Engineer is responsible for providing high-quality design and implementation support for the Stem's SCADA and Power Plant Control products for our rapidly growing customer base, delivering solutions to both technical and non-technical end users.


  • Identifies customer goals and designs, documents, and implements projects to requirements.
  • Designs, constructs, and integrates Power Plant Control (PPC) implementations along with Data Acquisition Systems (DAS) & SCADA for Consumer & Industrial and Utility renewable generation systems.
  • Manages and owns development efforts around Stem's PowerManager and PowerTrack SaaS platforms.
  • Conducts and documents testing including Bench Testing, FAT, and SAT.
  • Develops, integrates, and supports new processes, products, and standardizations.
  • Provides appropriate and timely technical advice on matters relating to PPC, DAS, and SCADA.
  • Helps customers, Stem support, and Stem Field Service Teams solve technical issues with products.
  • Supports plant commissioning activities with occasional travel to critical sites as needed up to 15% of the time.
  • Independently manages project pipelines and stakeholder expectations.
  • Other duties as assigned.

Technical Knowledge:

  • 5 years of controls engineering experience in one of the following industries: renewable power generation, fossil power generation, power distribution, or battery storage.
  • 5 years of experience utilizing PLCs for DAS and closed-loop control integration. Knowledge of SEL or Phoenix platforms is a plus.
  • 5 years of experience designing, tuning, and troubleshooting PI and PID loops.
  • 5 years of experience with Industrial SCADA/EMS platforms including Inductive Automation’s Ignition Platform.
  • Experience with SQL databases.
  • Familiarity with VMware and/or Hyper-V virtualization is a plus.
  • Knowledge of the following communication protocols: Modbus, DNP3, OPC, IEC-60870, FTP.
  • Competency in the following programming languages: Python, C#, Visual Basic, IEC-61131 ST
  • Experience integrating layer 2/3 networking hardware and topologies and serial communications.
  • Knowledge of cybersecurity best practices and requirements (NERC-CIP) is a plus.
  • Solid understanding of Power Plant Control modes and electrical grid stability conditions and variables.
  • Experience with systematic design, tuning, and troubleshooting of complex control systems.


  • Bachelor's degree in engineering and minimum 5 years of experience in the field or in a related area.
  • Ability to communicate technical information clearly and concisely to non-SMEs.
  • Must be a team player, a good listener, and can understand and solve customer problems.
  • Ability to work with minimal supervision.

Work Environment:

  • Office Setting, primarily in cubicles
  • Moderate to high noise levels (i.e., business office with computers, phones, printers, moderate traffic)
  • Ability to sit or stand (standing desk provided upon request) at a computer terminal for an extended period.

Salary Range

$83,700.00 - $117,250.00

Stem, Inc. is an equal opportunity employer committed to diversity in the workplace and does not discriminate against any employee or applicant for employment because of race, color, sex, pregnancy, religion, national origin, ethnicity, citizenship, sexual orientation, gender identity, age, marital status, disability, genetic information, military status, protected veteran status or any other factor protected by applicable federal, state or local laws.