Senior Systems Integration Engineer

LG Energy Solution Vertech, Inc. (LGES Vertech) is a full-service energy storage system supplier and integrator. Using core strengths in expert customer service, safety, and manufacturing excellence, we deliver standardized, fully integrated energy storage systems to a rapidly growing global market. Our systems help customers participate in renewable energy and ancillary services markets while reducing capital equipment and installation costs. We enhance system performance and reliability through automated monitoring and analytics across battery, power conditioning, and auxiliary systems. Our AEROS® energy operating system drives innovation, providing advanced control functions to maximize the value of energy storage assets. With nearly two decades of energy storage integration experience, LGES Vertech combines battery technology expertise with comprehensive service capabilities, including advanced monitoring, scheduled maintenance, augmentation, and auxiliary system upgrades.

About the role

LGES Vertech is seeking a Senior System Integration and Test (SIT) Engineer to join the AEROS software integration and site support team. This critical role involves test planning and execution, hardware and software integration of vendor equipment with in-house developed products, and cross-functional communication. The ideal candidate will be a self-starter with strong Software Quality Assurance experience and a proven track record in delivering well-tested hybrid software and hardware systems.

Responsibilities

• Integrate complex energy storage systems comprising multi-vendor hardware components, in-house material, and AEROS software to control them.
• Operate and train others on the final product.
• Support field service and end-customers in all aspects of system operation.
• Participate in all aspects of test planning and execution across multiple projects.
• Prepare detailed factory integration and system acceptance test plans (FIT and SAT).
• Execute and maintain test cases, providing up-to-date test execution reports and quality metrics to project stakeholders.
• Validate energy storage control modes and customer power plant controller (PPC) using SCADA and DNP3 protocols.
• Contribute to script-based automation regression platforms for Linux-based systems and web applications.
• Discover undocumented features and maintain a defect tracking database.
• Assist in documenting system operation.
• Identify performance bottlenecks and collaborate with the development team to address issues.
• Work with developers to understand services and features being built.
• Participate in Agile/Scrum meetings, providing input on testing timelines and reporting on system integration progress.
• Maintain effective technical relationships across functions, internal departments, vendors, and customers.
• Stay current with industry best practices, testing methodologies, and tools.
• Propose and implement improvements to the testing process for increased efficiency and effectiveness.
• Provide remote and on-site support for battery installations during commissioning.
• Interact with internal and external customers to provide Level 2 support and troubleshoot issues at legacy sites.

Requirements

• Bachelor’s degree in computer science, electrical engineering, or a similar major, or equivalent on-the-job training.
• Minimum of 5+ years of experience in software-hardware integration and controls testing.
• Ability to troubleshoot complex systems and document processes and procedures to assist others.
• Familiarity with programming languages such as Python and Bash for development and troubleshooting.
• Comfortable operating in a Linux environment and possessing basic networking skills.
• Clear and concise communication skills, both verbal and written.
• Demonstrated capability to work effectively in a fast-paced, multi-project environment.

Skills

• Battery management systems technology, including high-power inverters.
• Fieldbus protocols such as Modbus TCP/IP.
• Networking protocols including SCADA and DNP3.
• Programmable Logic Controller (PLC), Fire Access Control Panel (FACP), and discrete I/O.
• Automated regression testing methodologies and web-based tools.
• Hands-on lab experience with both low- and high-voltage hardware.
• Experience in helpdesk or technical support roles to address complex system issues.
• Source control tools such as Subversion, GitHub, and JIRA for issue tracking.

Benefits

• 100% employer-sponsored medical, dental, and vision insurance.
• Flexible working hours.

Schedule

• Remote work with on-site attendance required for up to one week each month to support project milestone reviews, cross-functional collaboration, and other business-critical activities.
• 25% travel to the Westboro office to meet project milestones.
• Occasional travel for on-site support.