Services

IT/OT transformation & managed services

Upgrade critical IT/OT systems with zero downtime
Critical infrastructure can’t afford service disruptions. nxzen helps utility operators migrate critical IT/OT systems, converge data, and build a secure foundation for innovation in high-stakes operating environments.
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The problem: Legacy systems weren’t built for modern threats.

Most utilities rely on decades old field devices, and aging SCADA systems and legacy control rooms that don’t meet today’s cybersecurity standards. Siloed IT and OT teams maintain duplicate networks and security postures, driving upincreasing overheads and stalling innovation. But major upgrades and cloud migrations get delayed because risking OT infrastructure is unacceptable, leaving critical operations increasingly vulnerable.

Our solution: Unified IT/OT architecture that strengthens security and service reliability

We migrate your legacy OT systems to scalable cloud-native platforms while maintaining millisecond response times and zero service disruption. Converged IT/OT architecture helps teams harden network security while reducing overheads through more efficient infrastructure management. Your team is supported by embedded IT/OT experts who understand the business implications of every technical decision and help you build a secure foundation for agile innovation.

We deliver IT/OT transformation & managed services to modernise critical operations

IT & OT system upgrades

Modernise core IT/OT systems (like SCADA, ADMS/DMS, control rooms, HMI) and migrate legacy infrastructure to the cloud without compromising grid performance or safety.

IT/OT managed services

Replace fragmented IT vendors with a support partner who understands the environment you operate in. In addition to IT support, we provide OT-specific services like SCADA upgrades, STORM enhancements, and DR compliance testing.

Cybersecurity & compliance

Protect critical operations with an OT-first cybersecurity architecture that protects legacy and newly connected devices, implements network segmentation and anomaly detection, and ensures CAF/eCAF and NIS regulatory compliance without compromising grid performance.

OT visibility & intelligence

Turn fragmented OT data into actionable insights. Real-time analytics across SCADA historians, IoT sensors, and legacy systems give you 360-degree operational intelligence for optimal grid management.

IT/OT/ET convergence strategy & implementation

Design OT transformation architectures and hybrid cloud models that truly converge IT, OT, and enterprise systems. We conduct rigorous SCADA functional and security testing to de-risk migration

How we work 

  1. Engage: We connect through conversations, procurement frameworks, or a direct brief, whatever works best for your organisation.
  2. Diagnose: Our consultants conduct an IT/OT maturity assessment covering your people, systems, data, and processes. We identify gaps and create a prioritised roadmap tailored to your operational and business needs.
  3. Design: We develop a solution tailored to your operational needs and integrated with preferred platforms and partners.
  4. Deliver: Our IT/OT engineers work alongside your teams to consolidate legacy systems, deploy unified dashboards, and establish new operational processes that support transformation management within the organisation. 
  5. Optimise: We provide managed services to augment your in-house teams across IT/OT support, data management, and network operations. This helps us continuously improve operations with change cycles built in.

Improve operational efficiency, regulatory compliance, and network security 

Operational excellence

Deploy system upgrades and modernise critical infrastructure without downtime. Real-time visibility replaces manual inspection for fewer surprises, faster incident resolution, and higher uptime.

Regulatory compliance

Meet CAF and NIS standards with converged IT/OT security architecture managed by a single partner accountable for your full security posture across IT, OT, and cloud. No more finger-pointing between vendors.

Business efficiency 

Converged IT/OT architecture reduces overhead and smaller changes deploy in weeks through standard release cycles instead of requiring months-long dedicated projects.

Business-aligned support 

Our OT-first teams understand the business impact of every technical decision and focus on solving root problems instead of applying temporary fixes. This means fewer recurring issues, faster resolution, and better operational outcomes. 

Customer satisfaction

Faster incident resolution and fewer outages mean better service reliability and stronger customer trust. Lower operational costs give you room to invest in service quality instead of firefighting issues.

nxzen brings deep OT expertise & end-to-end accountability

Deep domain practitioners

Unlike IT vendors, our team is composed of lifelong energy, water, and gas professionals with specialised expertise in SCADA systems, control rooms, and grid operations. We know what's at stake when OT systems are involved.

End-to-end accountability

Our managed service model implements business changes into release cycles, so improvements can be realised faster with an embedded transformation team that stays involved long past launch.

Regulator-trusted systems

We implement secure IT/OT architectures designed to meet CAF/eCAF and NIS standards. Our solutions are pressure-tested in critical national infrastructure and designed to hold up under evolving regulatory scrutiny.

Proven at scale

Most IT vendors avoid OT because of the risk, but we specialise in it. From SCADA network separation to IoT-enabled remote monitoring across energy and utility networks, our track record proves we can deliver in complex regulated environments.

Strategy based on outcomes

Our solutions are vendor-agnostic and tailored to maximise the value of your existing investments. We work backward from your operational outcomes and align our service model around your business priorities.

Case Studies

Real companies, real results

Case Study

Accelerating Tasmania’s climate resilience and transformation with a first-of-its-kind digital twin

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Case Study

Delivering a holistic, future-ready modernisation programme for the UK's largest electricity distribution network

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Your infrastructure is under more pressure than ever. We’ll help you strengthen it.