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About the job

Sr. Manager, Project Engineering

SKOn, a proud member of SK Group, is one of the fastest-growing battery manufacturers globally. With ambitious plans to reach over 180GWh manufacturing capacity in the US, SKOn is at the forefront of innovation in the energy storage sector. In response to the increasing domestic demand, SKOn is set to manufacture state-of-the-art 5.3MWh DC Blocks, fully compliant with the latest US domestic content requirements and eligible for full ITC benefits. Additionally, SKOn has contracted and awarded projects totaling 7GWh to be installed in the US starting in 2026, driving an aggressive roadmap targeting 20GWh in orders and commitments for the 2026 fiscal year.

As we continue to expand our footprint in both utility-scale BESS and emerging power solutions for data center infrastructure, we are seeking an experience Sr. Manager, Systems Engineering to join our growing Energy Storage team in SKOn US team. Starting as a high-impact individual contributor, this role is designed to transition into a leadership position, eventually overseeing the application engineering team as the company, project scope, and requirements grow.

Serving as a bridge between the company, its customers, and vendors, the Sr. Manager ensures technical excellence throughout pre-sales activities to contract execution. Core responsibilities include delivering hands-on technical sales support, optimizing system designs to enhance profitability and reduce risk, and leading technical contract negotiations. This role will be reporting to the Direct of System Integration and Engineering (Technical leadership) at SKOn ESS US team.

Key Responsibilities:

Lead integration efforts and technical in-depth alignment with PCS and EMS and all other vendors that are utilized to propose the complete solution.

Serve initially as a senior individual contributor, stepping into a managerial role to build and oversee the project engineering team as the business scales.

Act as the technical authority to advance customer-interface documentations, presentations, and all technical aspects of SKOn solutions and integration capabilities.

Lead all the project engineering activities and escalations for projects and release technical documents for a range of technical activities around integration/commissioning/operation of the assets

Generate high-value documentation templates including single line diagrams (SLDs), preliminary site laouts, performance guarantee and availability metrics, and detailed scope of work documents.

Drive Value Engineering through cost reduction efforts with vendors and system optimization sizing analysis.

Maintain, and participate on various development activities from SK On Korea engineering teams to help achieve high standards with regards to serviceability of the product and all supporting technical documents and time studies.

Qualifications:

Educational Background: A bachelor's or master's degree in engineering (electrical, mechanical, or computer science) or a related field.

Experience: A minimum of 10 years in a technical and engineering capacity. Must have strong experience within the BESS industry, focusing on utility-scale projects or direct experience in energy storage system design and project management. Experience supporting the technical execution of major utility-scale project contracts is highly desirable.

Demonstrated success in a matrixed organizational environment, leveraging influence, stakeholder management, and cross-functional collaboration to drive strategic business outcomes.

Technical Skills: Strong knowledge of Battery Energy Storage Systems (BESS), including how the cells, batteries, and modules are designed and integrated. Skilled in designing entire systems, such as Power Conversion Systems, medium voltage transformers, substations, and Gen-Tie connections. Well-versed in power electronics and have hands-on experience with SCADA systems. Familiar with requirements and compliance processes for major markets like ISO-NE, NYPA, ERCOT, and CAISO.

Codes & Standards: Familiarity with safety standards including NFPA 855, NFPA 68/69, UL 9540, UL9540A, and electrical safety standards such as NEC, IFC/IBC. Familiarity with plant system standards such as IEEE2800 and IEEEP2800.2 is a plus.

Software Proficiency: Proficiency with Microsoft Office. Data analysis software knowledge is a plus (Power BI, and others)

Soft Skills: Demonstrated leadership, communication, negotiation, and problem-solving skills, with an ability to manage multiple projects simultaneiously.

Certifications (Optional): Professional Engineer (PE) license is a plus