Controls Software Engineer

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Full Time Westborough, MA, US

2 days ago Requisition

Salary Range: $97,000.00 To $ Annually

Controls Software Engineer

Hybrid 3 days onsite - Westborough, MA

LG Energy Solution Vertech, Inc. (LGES Vertech) is a full-service energy storage system supplier and integrator. Using our core strengths of expert service to our customers, unparalleled safety, and excellence in manufacturing, we bring standardized, fully integrated energy storage systems to a rapidly growing worldwide market. Our systems address our customers' needs to reduce capital equipment and installation costs while enhancing system level performance and reliability using automated monitoring systems and analytics across the battery, power conditioning and auxiliary systems.

Our AEROS® energy operating system is the engine of innovation to provide advanced control functions allowing our customers to maximize the value of their energy storage assets. Our service capabilities include advanced monitoring and analytics, scheduled maintenance, augmentation, and auxiliary system upgrades. The combination of excellence in battery technology and production coupled with nearly two decades of energy storage integration makes LGES Vertech a leading supplier and integrator in the power and energy markets.

LGES Vertech is a highly matrixed, team-oriented organization that fosters cross functional collaboration and innovation. The company seeks high caliber candidates with proven experience and with characteristics that embody our corporate commitment to the virtues of humble, hungry and smart in all we do. Our diverse and growing team enjoys competitive salaries, generous benefits,
including 100% employer sponsored medical, dental, vision, life and disability insurance.

As a Controls Software Engineer, you will develop and maintain control applications for LGES Vertech's AEROS EMS and Power Plant Controller platforms. Working closely with a principal engineer and a cross-functional team, you will apply power system fundamentals and software development skills to solve real-world energy storage challenges. You will contribute to modeling, implementation, and testing, with mentorship as you build expertise in our systems and development practices.

We value sound reasoning, curiosity, and a willingness to learn.

• Design and implement control algorithms for commercial and grid-scale battery energy storage systems.
• Develop, integrate, and maintain real-time control software in a Linux environment, using C++ and model-based code generation as appropriate.
• Use AI-assisted tools to support development, analysis, documentation, and testing, while reviewing generated outputs, protecting confidential information, and verifying engineering correctness.
• Develop simulation models to analyze system behavior and evaluate control performance against design requirements.
• Develop and execute controls software tests in simulation and on lab or project-site systems to verify performance and reliability. Hands-on electrical work is not part of this role.
• Investigate system performance issues, identify root causes, and support customer and project needs.
• Maintain clear documentation of control designs, implementation decisions, test procedures, and results.
• Collaborate with software quality assurance (SQA) to define verification methods and build repeatable tests.
• Work with program managers, project managers, and project engineers to deliver control functionality that meets project requirements.

• Solid power system fundamentals, gained through coursework or equivalent learning, including three-phase AC systems, real and reactive power, and voltage and frequency behavior.
• Understanding of feedback control fundamentals and experience tuning a PI or PID controller through coursework, simulation, lab work, or professional experience.
• Hands-on programming experience in at least one language, gained through coursework, research, personal projects, or professional work.
• Ability to record, plot, and interpret engineering data to evaluate system behavior and troubleshoot problems.
• Curiosity, initiative, and motivation to learn new controls concepts, software practices, and tools.
• A methodical approach to problem-solving, including testing assumptions and…