Controls Software Engineer

Lg Energy Solution, Ltd.; Westborough (MA); Hybrid; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

Job summary

LG Energy Solution Vertech, Inc. seeks a Controls Software Engineer to develop and maintain control applications for its AEROS EMS and Power Plant Controller platforms. You will work with a principal engineer and cross-functional teams to apply power system fundamentals and software skills to energy storage challenges.

You will model, implement, and test control software, with mentorship as you build expertise in our systems and practices. Strong curiosity and collaboration are valued.

Qualifications

• Bachelor's degree in electrical/computer engineering or closely related field required.
• Strong fundamentals in three-phase AC, real/reactive power, voltage/frequency behavior.
• Experience tuning PI/PID controllers and applying control theory.
• Proficient programming experience across projects or coursework.
• Ability to record and interpret engineering data for diagnostics.
• Strong communication and collaborative mindset.

Responsibilities

• Design and implement control algorithms for battery energy storage systems.
• Develop real-time control software in Linux using C++ and model-based generation.
• Use AI-assisted tools while reviewing outputs and ensuring correctness.
• Develop simulation models to evaluate control performance against specs.
• Execute tests in simulation and on lab/project-site systems; hands-on electrical work not required.
• Investigate performance issues and support customer and project needs.
• Document control designs, decisions, and test results clearly.
• Collaborate with SQA to define verification methods and repeatable tests.
• Work with program managers to deliver control features meeting requirements.

Skills

Power system fundamentals

Feedback control fundamentals

Programming experience

Data recording/analysis

Curiosity/learning

Problem-solving methodical approach

Clear communication

Education

B.S. in Electrical/Computer Engineering

Advanced degree preferred

Tools

C++

MATLAB/Simulink

Linux

Version control (Git)

Job description

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.

For more information about LGESVT, please visit www.lgensol-vt.com.

Position Overview

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.

Primary Responsibilities

• 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.

Key Knowledge, Skills, and Abilities

Required:

• 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 using evidence to diagnose issues.
• Clear verbal and written communication, a collaborative mindset, and a willingness to ask questions and learn from feedback.
• Care and accountability in engineering work, including checking results, documenting decisions, and following through.

Preferred:

• Experience developing software in C++, including object-oriented programming.
• Experience using MATLAB/Simulink to model physical systems, develop control algorithms, or analyze results.
• Experience developing and testing real-time controllers.
• Familiarity with Linux, version control, and repeatable software testing.
• Experience using AI-assisted coding or engineering tools, with an emphasis on critically evaluating and testing generated outputs.
• Exposure to PSCAD or similar tools for power system simulation.
• Familiarity with Modbus and DNP3 communication protocols.
• Understanding of battery energy storage systems and the operating principles of grid-connected inverters, power electronics, or transformers.

Education and Experience

• A Bachelor of Science (B.S.) in electrical engineering, computer engineering, computer science, or a closely related field is required. An advanced degree in a related field is preferred.
• No minimum number of years of professional experience is required.

Workplace/Travel

• Hybrid in office 3 days/week
• Remote work may be considered for the right candidate