Mission Critical Application & Infra Support Specialist
Cadent Foundation
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Benefits offered by this job
Job summary
Cadent is seeking a Mission Critical Application & Infra Support Specialist to maintain and enhance critical platforms underpinning our operating environments. You will work hybrid with travel to Coventry, supporting control room operations and security, and coordinating with IT, vendors and security teams.
The role focuses on mission-critical SCADA, OT platforms and DR planning, ensuring high availability and resilience 24/7/365 for gas network operations.
Qualifications
- Experience supporting mission-critical systems in 24x7 environments.
- Knowledge of SCADA and operational technology environments.
- Ability to manage incidents, problems, changes and continual service improvement.
Responsibilities
- Support and enhance Mission Critical applications and infrastructure.
- Ensure availability, security and performance for control room operations.
- Drive platform roadmaps and disaster recovery planning.
Skills
Education
Tools
Job description
Title: Mission Critical Application & Infra Support Specialist
Location: Hybrid with travel to our Coventry office
Advertised Salary: Upto £65,000
Job Function: Information Technology
Working Hours: 37
Location Type: Hybrid
Contract Type: Permanent
Posting End Date: 16/09/2026
As a Mission Critical Application and Infrastructure Technical Specialist at Cadent, you'll be responsible for supporting and enhancing the critical technology platforms that underpin our operational environments. Working across our Mission Critical estate, you'll help ensure the availability, reliability, security and performance of the systems that support Cadent's control room operations, operational technology environments and business‑critical services.
This is a highly technical role where you'll act as a subject matter expert for Mission Critical applications, infrastructure and connected systems. You'll work closely with operational teams, architects, delivery teams, vendors and security specialists to ensure services remain stable, secure and fit for the future.
From supporting mission‑critical SCADA environments and operational technology platforms to driving platform roadmaps and disaster recovery planning, you'll play a key role in safeguarding services that operate 24 hours a day, 365 days a year.
This role offers the opportunity to work on systems that directly support one of the UK's most important critical infrastructure environments.
Support and maintain the technology that enables safe and reliable gas network operations.
Work across SCADA systems, operational technology, infrastructure, middleware, integrations and supporting applications.
Take responsibility for the health, performance, maintenance and evolution of critical platforms and services.
Help ensure systems remain secure, compliant and aligned with Safe Control of Operations (SCO) and cyber security requirements.
Contribute to application, infrastructure and platform roadmaps that support future business needs.
Engage with senior stakeholders, operational control room teams, technology vendors and government‑facing organisations.
You're an experienced technical specialist with strong operational support experience and a passion for maintaining resilient, secure and high‑availability systems.
- Experience supporting mission‑critical systems in a 24x7x365 environment
- Strong understanding of application support, infrastructure management and service operations
- Experience managing incidents, problems, changes and continual service improvement activities
- Knowledge of operational technology environments and supporting infrastructure
- Experience working with or supporting SCADA systems
- Understanding of critical operational environments and associated technologies
- Strong technical knowledge across a number of the following areas:
- Windows Server and Client administration
- Active Directory and Citrix technologies
- System and security monitoring
- Clustering and high‑availability solutions
- Disaster recovery and business continuity planning
- Storage and backup technologies
- Configuration management
- DNS and proxy services
- SQL Server and data integration technologies
- Aveva PI Server and PI Vision
- SAP Solace AEM
- ArcGIS and associated applications
- Globalscape EFT and enterprise file transfer platforms
- Schneider Electric ClearSCADA / GeoSCADA technologies
- Knowledge of programming and scripting technologies such as .NET, Java, Visual Basic, XML or C/C++
- Understanding of SQL, relational databases and time‑series data
- Experience supporting integration and middleware solutions
- Excellent communication and stakeholder management skills
- Ability to translate technical issues into business-focused language
- Strong analytical and problem‑solving capability
- Experience collaborating with suppliers, project teams and business stakeholders
- Degree in Computing or a related discipline, or equivalent experience
- SCO certification at CP/AE level
- Typically 5‑10 years' IT experience, including experience in 2nd or 3rd line support roles within complex enterprise environments
We have a clear roadmap to drive our performance to the forefront of our industry and support the UK government in achieving its net zero targets by 2050.
We’re making a difference through innovation and new ways of working. Together, we’re shaping a cleaner, greener future for our 11 million customers, whom we put at the heart of everything we do.
Here at Cadent, we recognise that our people are truly unsung heroes. Quietly confident, delivering every day – that’s why we’re committed to supporting our people to get the best out of themselves. For this role, we offer:
- Annual bonus
- Pension Scheme double matched up to a total of 18% of salary
- 25 days holiday, plus statutory days, and an option to buy more
- An extra day off each year to celebrate life’s special moments
- Career development with funded learning options
- Flexible working and strong ED&I commitments
- Generous family policies and flexible benefits
- Retail discounts, gym access, and more
We support a healthy work‑life balance and are open to flexible working options.
Don’t meet every requirement? No problem! If you’re excited about this opportunity but your experience doesn’t align perfectly with every qualification mentioned, we would still love for you to submit your application – you may just be the right person for this role or other opportunities at Cadent. We value diversity and are committed to being an equitable employer. Our employee communities – Women in Cadent, Pride at Work (LGBTQ+), Embrace (ethnicity and religion), Thrive! (disability), the Cadent Military Community, the Grief Awareness Community, and the Men’s Engagement Network (M.E.N) – can’t wait to welcome you! As a proud Disability Confident Leader, we guarantee to interview all disabled applicants who meet the minimum essential criteria for the vacancy. Please let us know if you require any reasonable adjustments at any stage of the recruitment process and we will ensure that support is provided.
Be part of something big. Help shape the future of gas for generations to come.
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