Near-Mission Critical Application Infra Support Specialist

Cadent Gas Ltd

Help support the technology that keeps critical operations moving

As a Near- Mission Critical Application & Infrastructure Technical Specialist at Cadent, you'll play a key role in supporting and evolving the technology platforms that enable critical operational and business processes. Working across our Near-CNI estate, you'll help ensure applications, infrastructure and integrations remain secure, resilient and available to support the organisation's operational needs.

This is a highly technical role where you'll act as a subject matter expert across Near-Mission Critical applications, operational technology platforms and supporting infrastructure. You'll work closely with operational teams, delivery teams, vendors and technology specialists to ensure services remain stable, supported and aligned with future business requirements.

From maintaining business-critical systems and supporting application roadmaps to providing technical assurance and participating in a 24x7x365 support environment, you'll play a vital role in safeguarding services that are essential to Cadent's operations.

Why you'll love this role:

This role offers the opportunity to work on a diverse and business-critical technology estate while influencing future platform development.

Business-Critical Impact – Support applications and infrastructure that are essential to operational and shared service functions across Cadent.

Technical Variety – Work across operational technology systems, middleware, SaaS applications, integrations and supporting platforms.

Platform Ownership – Take responsibility for the reliability, maintenance and ongoing development of Near-CNI platforms.

Security & Resilience Focus – Help ensure systems remain secure, compliant and aligned with Safe Control of Operations (SCO) and cyber security requirements.

Strategic Influence – Contribute to application and infrastructure roadmaps, helping shape future technology direction.

Collaborative Environment – Work closely with architects, project teams, business stakeholders, vendors and operational teams.

What you will bring:

You're an experienced technical specialist with strong application and infrastructure support experience, combined with a passion for delivering resilient and reliable services.

Critical Systems & Infrastructure Experience

Experience supporting business-critical systems within a 24x7x365 operational environment Strong understanding of application support, infrastructure management and service operations Experience resolving incidents, managing problems and supporting change activity Experience delivering technical input into projects, testing and service transition activities

Operational Technology Knowledge

Knowledge of Operational Technology (OT) environments Experience supporting applications connected to operational systems Understanding of business-critical support models and service continuity requirements

Technical Expertise

Strong technical knowledge across a number of the following areas: Windows Server and Client administration Citrix and Active Directory technologies System monitoring and security monitoring High-availability platforms, clustering and disaster recovery Backup, storage and business continuity solutions Configuration and platform management ArcGIS and associated applications SQL Server and integration technologies Aveva PI Server and PI Vision SAP Solace AEM Aveva Gas Day Advisor Aveva Commercial Gas Advisor Aveva Reports Enterprise file transfer and integration solutions such as Globalscape EFT and Workato

Development & Data Skills

Knowledge of scripting and programming languages such as .NET, Java, Visual Basic, XML, C/C++ and scripting technologies Experience working with SQL, relational databases and time-series data Understanding of system integrations and middleware technologies

Stakeholder & Leadership Skills

Excellent communication skills and the ability to translate technical issues into business-focused language Strong stakeholder management and influencing capability Experience working with suppliers, project teams and senior business stakeholders Strong analytical, problem-solving and decision-making skills

Qualifications & Experience

Degree in Computing or a related discipline, or equivalent experience SCO certification at CP/AE level Typically 5-10 years of IT experience, including second or third-line support experience within complex enterprise environments