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Elemental Excelerator
Elemental Excelerator

Senior Controls Engineer



Software Engineering
Boulder, CO, USA
Posted on Friday, August 11, 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.

What we are looking for:

Stem is a leading provider of renewable energy monitoring systems. The Senior Controls Engineer is responsible for providing high-quality design and implementation support for the AlsoEnergy 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 the Consumer & Industrial and Utility renewable generation systems.
  • Conducts and documents testing including Bench Testing, FAT, and SAT.
  • Develops, integrates, and supports new processes, products, and standardizations.
  • Manages and owns SCADA development efforts around Ignition HMI and AlsoEnergy’s PowerManager and PowerTrack platforms.
  • Provides appropriate and timely technical advice on matters relating to PPC, DAS, SCADA.
  • Helps customers, AlsoEnergy support, and AlsoEnergy Field Service Teams solve technical issues with products.
  • Support plant commissioning activities with occasional travel to critical sites as needed up to 15% of the time.
  • Independently manage project pipelines and stakeholder expectations.
  • Travel up to 15%
  • 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 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 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 have the ability to understand and solve customer problems.
  • Ability to work with minimal supervision.

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.