Senior Project Engineer / Project Manager (m/f/d) at Stem Inc | Berlin, DE | Rezi

Senior Project Engineer / Project Manager (m/f/d) at Stem Inc

Senior Project Engineer / Project Manager (m/f/d)

Stem Inc · Berlin, DE

1 months ago

Senior Project Engineer / Project Manager (m/f/d)

Stem Inc · Berlin, DE

2 months ago
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About the Role

This is a senior, customer-facing role with ownership of complex utility-scale projects involving battery energy storage systems (BESS), hybrid PV+BESS installations, and energy management systems (EMS). You will lead project execution end-to-end, diagnose and resolve complex technical issues, and manage project timelines, stakeholder expectations, and delivery quality.

Responsibilities

  • Lead and own the delivery of complex utility-scale EMS, BESS, and hybrid PV+BESS projects across Europe — from technical handover to commissioning and closeout.
  • Serve as the primary technical point of contact for customers, EPCs, and partners throughout the project lifecycle.
  • Troubleshoot and resolve complex technical issues across communication networks, SCADA systems, EMS platforms, edge devices, and grid integration interfaces — including protocol-level diagnostics (Modbus, IEC 61850, IEC 60870-5-104, DNP3), signal path tracing, log analysis, and systematic root-cause identification.
  • Coordinate internal engineering, product, sales, and support teams to resolve open issues and ensure project milestones are met.
  • Design and review communication network architectures — including VLAN segmentation, redundant fiber optic ring topologies (IEC 62439/MRP), and OT network security zoning — alongside SCADA system configurations and power plant controller (PPC) specifications for grid-connected utility-scale renewable energy plants.
  • Define and enforce cybersecurity requirements for plant communication networks — including firewall rule sets, DMZ configurations, remote access policies (VPN/jump server), and security hardening of edge devices and EMS platforms — in line with IEC 62443 and applicable regulatory requirements (NIS2/KRITIS).
  • Develop and review project documentation including communication circuit diagrams, network topologies, interface specifications, and commissioning protocols.
  • Configure, validate, and debug Edge EMS, SCADA, and monitoring platforms (PowerTrack, Edge UI / HMI) for project-specific requirements — hands-on, not just at a management level.
  • Assess grid connection requirements and power plant control regulations across European and international markets — including VDE/ENTSO-E (Germany/Europe), Japanese grid codes (JEAC, JEC, TSO requirements), and other non-European regulatory frameworks — ensuring full compliance with applicable local and national grid codes.
  • Support commissioning activities remotely, including system integration testing, communication verification, fault diagnosis, and performance validation.
  • Perform detailed EMS configuration and PPC tuning — including power ramp rates, frequency response parameters, reactive power curves Q(U)/Q(P), and curtailment setpoints — coordinating with grid operators, optimizer partners, and customers to meet dispatch and grid compliance targets.
  • Drive process improvements for project delivery workflows, templates, troubleshooting runbooks, and engineering standards within the European team.
  • Mentor and guide junior project engineers in both project management practices and hands-on technical problem-solving.
  • Contribute to technical pre-sales support, including scope definition, effort estimation, and technical feasibility assessment for new opportunities.

Requirements

  • Bachelor’s or Master’s degree in Electrical Engineering, Renewable Energy, Power Systems, Automation, or a related field.
  • 5+ years of professional experience in renewable energy project delivery, with direct involvement in utility-scale PV, BESS, or hybrid projects.
  • Proven, hands-on troubleshooting expertise across SCADA, EMS, communication networks, telecontrol gateways, RTUs, and edge devices — you can isolate and fix problems, not just describe them.
  • Deep understanding of communication protocols (Modbus, IEC 61850, IEC 60870-5-104, DNP3) and the ability to diagnose protocol-level issues in real project environments.
  • Solid understanding of industrial OT network design — VLAN architecture, managed switch configuration, fiber optic ring topologies, and firewall/DMZ concepts.
  • Hands-on experience securing EMS or SCADA communication infrastructure is a strong plus.
  • Expert-level knowledge of power plant control (PPC), grid integration, and grid code compliance — with demonstrated experience across multiple European markets (VDE, ENTSO-E RfG) and at least one non-European jurisdiction (Japan, Middle East, or Asia-Pacific).
  • Ability to independently assess grid code applicability for new markets.
  • Experience managing full project lifecycles including detailed engineering, system configuration, commissioning, and customer coordination.
  • Comfortable working in multi-stakeholder environments with customers, EPCs, grid operators, and internal cross-functional teams.
  • Proficiency in AutoCAD or equivalent tools for communication and electrical design documentation.
  • Strong project management skills — able to manage timelines, priorities, risks, and resources across multiple concurrent projects.
  • Proficient in German and English (written and spoken).
  • Additional European languages are a plus.
  • Proactive, structured, and solution-oriented working style with strong communication and leadership skills.

Skills

  • Technical troubleshooting
  • Project management
  • Battery energy storage systems (BESS)
  • Hybrid PV+BESS installations
  • Energy management systems (EMS)
  • Communication networks
  • SCADA systems
  • Grid integration
  • Modbus
  • IEC 61850
  • IEC 60870-5-104
  • DNP3
  • VLAN segmentation
  • Fiber optic ring topologies
  • OT network security
  • IEC 62443
  • NIS2/KRITIS
  • Power plant control (PPC)
  • VDE/ENTSO-E
  • Japanese grid codes
  • AutoCAD
  • German
  • English

Location

  • Berlin

Work Type

  • Office-based
  • Remote support
  • On-site travel (exceptional cases)

Experience Level

  • Senior
  • 5+ years of professional experience

Education Level

  • Bachelor’s or Master’s degree in Electrical Engineering, Renewable Energy, Power Systems, Automation, or a related field.

Salary/Compensations

  • Competitive salary, bonus plan

Benefits

  • Subsidized UrbanSports subscription
  • BVG public transit ticket

About the Company

  • An international, growing company at the forefront of the global energy transition.
  • Flat hierarchies and short decision paths — you own your projects and have room for your ideas.
  • A team-oriented, appreciative culture with real growth opportunities in a scaling European operation.
  • Berlin office location with a modern, collaborative working environment.