Lead Network Architect (m/f/d)

Stellenbeschreibung:

Job Description

About the Role

Fluence is seeking an experienced Principal Network Architect to design and standardize secure Operational Technology (OT) network architectures for Fluence Battery Energy Storage Systems (BESS). The role will work closely with product engineering, cybersecurity, controls engineering, and deployment teams to ensure reliable and secure networking for Fluence energy storage solutions deployed globally.

Key Responsibilities

Network Architecture & Design

Design and maintain enterprise and OT network architectures supporting Fluence BESS platforms and deployment sites.
Define secure and resilient network architectures ensuring scalability, performance, and reliability.
Develop network segmentation models and architectural standards aligned with industry best practices.
Design solutions supporting site connectivity, remote access, and secure integration with cloud platforms.

OT / ICs Networking

Design and implement network architectures supporting Industrial Control Systems (ICS) environments.
Support networking for SCADA, PCS, BMS, and other industrial control systems.
Implement network segmentation aligned with IEC 62443 zones and conduits architecture.
Define secure connectivity models between OT networks and enterprise/cloud infrastructure.

Collaboration & Technical Leadership

Provide technical leadership and mentorship to network engineers.
Participate in agile teams, managing architecture and engineering work in Jira.
Collaborate with product engineering, cybersecurity, controls engineering, and deployment teams.
Influence cross-functional architectural decisions across Fluence engineering teams.

Network Security & Resilience

Design secure network architectures aligned with critical infrastructure security practices.
Identify and communicate network security risks and vulnerabilities to stakeholders.
Ensure network architectures support high availability and resiliency for production environments.

Vendor & Technology Management

Evaluate and select network hardware, software, and service providers.
Work with vendors to ensure solutions meet performance, scalability, and security requirements.

Performance & Reliability

Define monitoring strategies to ensure network performance, availability, and reliability.
Lead troubleshooting and root cause analysis during network incidents affecting production or deployment environments.

Documentation

Develop and maintain network architecture documentation, including HLDs, LLDs, standards, and operational procedures.

Required Qualifications And Experience

Bachelor’s degree in Computer Science, Information Technology, Networking, Electrical Engineering, or a related field.
12–16+ years of experience in network engineering and architecture.
Proven experience as a Network Architect or Lead Network Engineer in enterprise, industrial, or critical infrastructure environments.

Technical Skills

Deep expertise in network architecture, routing, switching, and infrastructure design.
Strong experience with Cisco networking technologies, including:
- Cisco routers
- Cisco Nexus and Catalyst switches
- Cisco firewall platforms (ASA / FTD / FMC)
Experience with Juniper switching platforms (EX / QFX series) is highly desirable.
Strong knowledge of routing and network protocols, including: BGP, OSPF, VLANs, VRF, NAT / Site-to-site and remote access VPN

OT / Industrial Networking Experience

Experience designing networks for Industrial Control Systems (ICS) environments.
Strong understanding of SCADA networking and industrial control architectures.
Experience implementing segmentation aligned with IEC 62443 zones and conduits.
Experience supporting energy systems, utilities, or other critical infrastructure environments.