Senior Systems Integration Engineer

LG Energy Solution Vertech, Inc.; United States; Hybrid; USD 100,000 - 150,000; Full time

Benefits offered by this job

100% employer sponsored health 보험

Flexible working hours

Job summary

LG Energy Solution Vertech, Inc. invites a Senior System Integration and Test (SIT) Engineer to join the AEROS software integration and site support team in Chesterfield, MO.

The role focuses on test planning, hardware-software integration, and cross-functional collaboration to resolve system issues. The ideal candidate has at least five years of experience in software-hardware integration, strong QA skills, and familiarity with Python, Bash, Linux, and SCADA/DNP3.

Qualifications

• Bachelor’s degree in computer science or electrical engineering, or similar major or equivalent on the job training
• Minimum 5+ years experience in software hardware integration and controls testing
• Ability to troubleshoot complex systems, and document processes and procedures to help others do the same
• Familiarity with programming languages such as Python and Bash for development and troubleshooting
• Comfortable with operation of the Linux environment and basic networking skill
• Clear and concise communication skills, verbally, and in writing.
• Demonstrated capability to work effectively in a fast‑paced multi-project environment.
• Experience with Battery management systems and fieldbus protocols is desirable

Responsibilities

• Integrate multi-vendor components with in-house software and hardware
• Plan and execute factory integration and system acceptance tests
• Develop regression scripts for Linux-based systems and web apps
• Resolve issues with cross-functional teams across projects
• Provide remote and on-site support for battery installations
• Maintain documentation and test metrics for stakeholders
• Support Agile/Scrum processes and communicate progress

Skills

System integration

Python

Bash

Linux

Networking basics

Communication skills

Multi-project work

Education

B.S. in Computer Science or Electrical Engineering

Tools

Subversion

GitHub

JIRA

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Senior Systems Integration Engineer

Full Time Chesterfield, MO, US

Salary Range: $100,000.00 To $150,000.00 Annually

Senior System Integration Engineer

Company Overview

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 participate in renewable energy and ancillary services markets while at the same time reducing capital equipment and installation costs. Our systems enhance 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 supplier and integrator in the power and energy markets.

LGES Vertech empowers and expects its team members to assume responsibility and make good decisions, while maintaining a team environment that fosters collaboration and innovation. Our diverse and growing team enjoys competitive salaries, generous benefits, such as 100% employer sponsored medical, dental and vision insurance,and flexible working hours.

LGES Vertech is looking for a Senior System Integration and Test (SIT) Engineer to join the AEROS software integration and site support team. This is a critical and challenging role encompassing a broad range of responsibilities including test planning and execution, hardware and software integration of vendor equipment with in-house developed products, and concise cross-functional communication. Close interaction with software development, project engineering, service teams, and customers to resolve system issues is expected. The ideal candidate will be a self-starter with strong Software Quality Assurance experience and demonstrated success 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. Expertly operate and train others on the final product. Support field service and end-customer in all aspects of system operation.
• Participate in all aspects of test planning and execution on multiple projects. Prepare detailed factory integration and system acceptance test plans (FIT and SAT). Execute, maintain test cases, provide up-to-date test execution reports, and quality metrics to project stakeholders.
• Energy storage control modes and customer power plant controller (PPC) validation using SCADA and DNP3 protocols. Contribute script-based automation regression platforms for Linux based systems and web applications.
• Discover ‘undocumented features’ and maintain defect tracking database. Assist in documentation of system operation.
• Identify performance bottlenecks and work with the development team to address issues.
• Collaborate with developers to understand the services and features being built. Participate in Agile/Scrum meetings and provide input on testing timelines and accurate reporting on system integration progress.
• Maintain effective technical relationships across functions, within internal departments, with vendors and customers.
• Stay up to date with industry best practices, testing methodologies, and tools. Propose and implement improvements to the testing process for increased efficiency and effectiveness.
• Provide support, both remote and on-site, for battery installations as they are being commissioned. Interact with internal and external customers to provide level 2 support and apply troubleshooting skills to resolve issues encountered with legacy sites.

Key Knowledge, Skills and Abilities:

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

In addition, experience with the following is desired:

• 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 hardware both low and high voltage
• Helpdesk or technical support roles to effectively address complex system issues
• Source control tools such as Subversion, GitHub, and JIRA for issue tracking

Location: This role operates in a Remote capacity. Employees may work remotely; however, on‑site attendance is required for up to one week each month to support project milestone reviews, cross‑functional collaboration, and other business‑critical activities.

Travel: 25% to Westboro office to meet project milestones. Occasional travel for on‑site support