Primary service · Operational Technology

Secure, resilient OT infrastructure engineered around operations.

Assess, modernise, secure and optimise the infrastructure that connects industrial systems, people and data. NexOT provides practical engineering and project support for operationally critical environments.

Illustration of connected operational technology systems
OT infrastructure services

From infrastructure health checks to implementation support.

Start with a clear view of the environment, define the right priorities and move forward with a practical engineering plan.

OT Infrastructure Health CheckUnderstand the current state of your OT environment, including architecture, asset visibility, network health, dependencies and improvement opportunities.
OT Infrastructure Improvement RoadmapsTranslate findings into a prioritised, staged roadmap aligned to operational risk, business priorities and realistic investment.
OT Network InfrastructurePlan, design and improve industrial network foundations, including segmentation, switching, routing, connectivity and resilience.
OT / IT IntegrationEnable secure, controlled information flows between operational and enterprise environments while respecting availability and safety needs.
CybersecurityIdentify infrastructure-level risks and strengthen defence through segmentation, secure access, hardening and standards-aware practices.
High AvailabilityImprove resilience through appropriate redundancy, failover design, monitoring and reduced single points of failure.
Disaster RecoveryPlan for recovery of critical infrastructure and supporting services with documented dependencies, recovery priorities and practical testing.
Infrastructure ModernisationDevelop upgrade strategies for ageing platforms, network equipment and supporting infrastructure while managing operational disruption.
Project Implementation SupportProvide technical coordination, design assurance, vendor engagement and implementation support from planning through handover.
Engagement process

A clear process for complex environments.

Structured enough to provide direction, flexible enough to reflect the needs of each engagement.

Assess

Review the environment, dependencies, risks and operational requirements.

Plan

Prioritise initiatives and define a practical improvement roadmap.

Design

Develop architecture and technical solutions aligned to the target state.

Implement

Support procurement, coordination, deployment and transition.

Optimise

Validate outcomes and identify further improvements.

Standards-aware practice

Security and architecture with context.

Depending on the environment and engagement scope, assessments and recommendations can draw on recognised guidance such as IEC 62443, NIST Cybersecurity Framework and ISO/IEC 27001. The appropriate framework is selected to suit the organisation and its operational context.

Standards references are used as guidance; they do not imply certification or guaranteed compliance.

Not sure where to begin?

An OT Infrastructure Health Check can help establish a baseline, surface key risks and identify practical next steps.

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Let's talk about your OT environment

Tell us about your sites, systems, challenges and goals.

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