System Manager, Battery Energy Storage System (BESS)

KK Group A/S; Ikast; On-site; DKK 447,761 - 597,015; Full time

Job summary

KK Group A/S is seeking a System Manager for Battery Energy Storage Systems (BESS) based in Ikast, Denmark. In this role, you will oversee the BESS solution, ensuring seamless integration of subsystems while collaborating closely with teams to deliver high-quality platforms.

The ideal candidate has a degree in Electrical Engineering and experience in grid-scale BESS architectures. This position offers flexibility for hybrid work arrangements.

Qualifications

• Strong understanding of grid-scale BESS architecture and system integration.
• Ability to specify subsystem interfaces and validate system integration.
• Experience working with multiple subsystems such as PCS and EMS/plant controllers.

Responsibilities

• Act as the system-responsible owner of the entire BESS solution.
• Ensure subsystem interfaces are clearly defined and aligned.
• Drive product-level requirement definition and compliance.

Skills

Understanding of grid-scale BESS architecture

Defining system requirements

Experience with multiple subsystems

Customer technical discussions

Education

Bachelor’s/Master’s degree in Electrical Engineering or related field

Job description

Vacancy description

System Manager, Battery Energy Storage System (BESS)

Overview

Are you motivated to bring complex energy systems together into one seamless, high‑performing solution? Do you enjoy working across technologies, teams, and disciplines to deliver real‑world impact?

Highlights of the offer

• Job offer expiration: 30/06/2026
• Type of work: Hybrid
• Role: Individual Contributor / Specialist
• Location: Europe, Denmark

Responsibilities

Act as the overall system‑responsible owner of the entire BESS solution/product.

Define and maintain the system architecture, ensuring seamless integration of:

• PCS (Power Conversion System)
• Battery DC Block
• AC Skid
• EMS & Hybrid Power Plant Controller (HPPC)
• Grid interconnection & compliance

Ensure subsystem interfaces are clearly defined, robust, and fully aligned across electrical, control, mechanical, and communication domains.

Collaborate closely with other System Managers to deliver a high‑quality, reliable, safe, and easy‑to‑install BESS platform.

Support customer‑facing project phases, including:

• Understanding customer technical and functional requirements
• System sizing and configuration
• Defining or selecting product variants and architectures
• Clarifying integration, performance, and compliance aspects

Ensure the BESS platform meets all relevant standards and certifiable requirements for the targeted European and global markets.

Drive product‑level requirement definition, functional specifications, technical governance, and change management.

Contribute to product roadmap development, ensuring alignment with market trends, grid requirements, and future hybrid power plant needs.

Support cost‑optimization, manufacturability, and quality initiatives to ensure a price‑competitive product.

Maintain system documentation, design rules, product configuration guidelines, and compliance packages.

Qualifications

Must‑haves

• Bachelor’s/Master’s degree in Electrical Engineering, Energy Systems, Controls Engineering, or a related field.
• Strong understanding of grid‑scale BESS architecture and system integration.
• Experience working with multiple subsystems such as PCS, battery containers, AC Skids, and EMS/plant controllers.
• Ability to define system requirements, specify subsystem interfaces, and validate system integration.
• Understanding of grid interconnection requirements, certifiable standards, and BESS compliance guidelines.
• Experience with customer technical discussions, system sizing, and solution definition.

Nice‑to‑haves

• Experience in hybrid power plant solutions (BESS + PV + WTG).
• Familiarity with European grid codes (ENTSO‑E, national TSO/DSO requirements).
• Background in product ownership, system engineering, or platform leadership.
• Experience with industry certification processes for electrical or power systems.
• Knowledge of thermal, mechanical, or communication aspects of BESS solutions.

Location

This role can be based in our offices in Ikast or Hammel, with flexibility for hybrid work.