Freelance Network & OT Cybersecurity Engineer

Remote Full-time
Freelance Network & OT Cybersecurity Engineer

We are currently seeking an experienced Freelance Network & OT Cybersecurity Engineer (10+ years of experience) to support a network architecture redesign and cybersecurity implementation for an industrial environment.

Scope of Work

1. Network Architecture

The current infrastructure consists of a flat network. The objective is to redesign the architecture into a structured and segmented industrial network.

# The proposed design should include:

- A hierarchical network architecture (Core / Distribution / Access layers) per site

- Segmentation between sites while allowing controlled sharing of selected networks

- Design and placement of industrial firewalls

- Secure interconnection between multiple sites

- A migration plan for the existing switches (reuse where possible and replace if required)

2. Cybersecurity Implementation

- The environment already includes some OT cybersecurity components, and we plan to enhance the architecture with additional monitoring and analysis tools.

# The scope includes:

- Integration and configuration of Guardian, Collector, and CMC

- Deployment and implementation of Nozomi Guardian Analyzer and Central Manager

- Implementation of a secure architecture aligned with OT cybersecurity best practices

3- Expected Deliverables.

#. Site Assessment

- Assess the current infrastructure across all sites

- Verify switch locations, connectivity, and existing network topology

# Network & Cybersecurity Design

- Proposed network architecture design

- Network segmentation strategy

- Detailed network diagrams

# Migration Plan

- Strategy for migrating from the current flat network to the new architecture

# Bill of Quantity (BOQ)

- Complete BOQ for network and cybersecurity components

- Estimated budget for the proposed solution

This is a freelance / consulting opportunity.

Engineers with strong experience in industrial networking, OT cybersecurity, and multi-site network design are encouraged to apply.

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