Job Description
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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