Lead Platform Architect - Infrastructure (OpenShift) - NESO at National Energy System Operator in Sindlesham, England, United Kingdom | GBP75,000-85,000 | Kablio

Role

Description

troubleshooting

network design

performance optimization

infrastructure automation

architectural design

security compliance

Troubleshooting: Act as the escalation point for complex infrastructure and network issues, providing expert-level troubleshooting and root cause analysis.
Network Strategy: Define and implement the network topology and security policies for the OpenShift cluster and its hosted applications, including ingress/egress routing, load balancing, and firewall rules.
Performance and Scalability: Optimize the infrastructure and network for performance and scalability, ensuring the platform can handle increasing workloads and traffic.
Automation: Drive the automation of infrastructure provisioning, configuration, and management using Infrastructure as Code (IaC) tools such as Terraform, Ansible, and GitOps workflows.
Architectural Design: Lead the design of the end-to-end infrastructure and network architecture for our OpenShift platform, including networking, storage, compute, and security components.
Collaboration: Work closely with OpenShift platform engineers, application development teams, security teams, and operations teams to ensure seamless integration and alignment of architectural goals.
Mentorship: Mentor and guide junior engineers, sharing knowledge and fostering a culture of technical excellence.
Security and Compliance: Design and enforce security best practices within the infrastructure and network layers, ensuring compliance with industry standards and internal policies. This includes implementing network segmentation, micro-segmentation, and zero-trust principles.
Roadmap and Innovation: Stay abreast of emerging technologies and industry trends in cloud-native networking and infrastructure, and contribute to the long-term strategic roadmap for the platform.
OpenShift Expertise: Serve as the subject matter expert on OpenShift infrastructure and networking, including OVN-Kubernetes, Open vSwitch, SDN, and various CNI plugins.

Requirements

public cloud

red hat

openshift

terraform

kubernetes

rhca

Hands-on experience with public cloud providers (e.g., AWS, Azure, GCP) and their networking services.
Red Hat Technologies: Experience with other Red Hat technologies such as Red Hat Enterprise Linux (RHEL), Red Hat Ansible Automation Platform, Red Hat Satellite, or Red Hat Ceph Storage.
Knowledge of monitoring and observability tools (e.g., Prometheus, Grafana, ELK stack).
Solid understanding of network protocols and technologies (TCP/IP, DNS, BGP, VPNs, firewalls).
Proven experience in a senior infrastructure or network architecture role, with a strong focus on cloud-native platforms.
Familiarity with CI/CD pipelines and GitOps methodologies.
Proficiency in Infrastructure as Code (IaC) tools like Terraform or CloudFormation.
Deep expertise in Red Hat OpenShift, including its core components and underlying infrastructure.
Certifications: Holding certifications like Red Hat Certified Architect (RHCA) or Red Hat Certified Engineer (RHCE) is a significant plus.
Experience with configuration management tools like Ansible.
Excellent problem-solving, communication, and collaboration skills.
Extensive experience with Kubernetes networking concepts (CNI, Services, Ingress, Network Policies).
Microservices Architecture: Experience designing and implementing network and infrastructure solutions for microservices-based applications. This includes knowledge of service mesh technologies (e.g., Istio, Linkerd) and API gateways.
Strong scripting skills (e.g., Python, Bash).

Benefits

Full support and career-development resources to expand your skills, enhance your expertise, and maximise your potential along your career journey.
Generous Total Rewards Plan – comprising of health, finance and wealth, work/life balance, and career benefits.

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

Founded with a mission to ensure the energy system operates efficiently and reliably.
Specializes in managing the balance between energy supply and demand across a wide network.
Focuses on integrating renewable energy sources like wind and solar into the grid.
Has played a pivotal role in modernizing infrastructure to meet growing energy needs.
Committed to providing secure energy services while minimizing environmental impacts.
Works closely with stakeholders in the energy, transport, and utilities sectors.
Supports government and private sector projects with a focus on energy sustainability.
Has successfully managed several large-scale projects to upgrade energy transmission systems.
A leader in adapting energy infrastructure to accommodate the future needs of smart grids.

Culture + Values

Clean Power
Decarbonised Energy
Consumer Value
Customer Centricity
Digital Mindset
People Value
"We will show up openly and consistently, ensuring our actions and decisions are seen as informed, considered and balanced."
"We are committed to being inclusive and nurturing talent from all backgrounds, creating a deep sense of belonging across the organisation."

Environment + Sustainability

50% Renewable

Electricity from renewables

In 2024, half of Great Britain's electricity was generated from renewable sources.

UK Coal Phaseout

First G7 country coal-free

The UK became the first G7 country to completely phase out coal power in 2024.

Net Zero – enabling the government to deliver on its legally binding emissions targets.
Conducting Strategic Environmental Assessments, Habitats Regulations Assessment and Marine Conservation Zone Assessment for future network plans (ongoing over next 12 months).
Pathway to 2030 and Beyond 2030 holistically coordinates offshore electricity generation network planning.
Developing Clean Power 2030 pathways, balancing services reform, zero carbon operation and connections reform under the Clean Power priority.
Strategic Planning includes safeguarding the environment while ensuring system resilience and consumer benefits in regional and whole-system energy plans.

Inclusion & Diversity

Member of Inclusive Employers to embed inclusive practices and provide resources, expert advice and events.
Partnered with Disability Confident to improve recruitment, retention and development for colleagues with disabilities.
We believe our people perform at their best when they can be their true selves… only by embracing diversity, and being a truly inclusive organisation, can we accelerate the delivery of a zero‑carbon energy system.
Explicit commitment to fair representation of all demographics among employees.

Articles

Home

Careers

About Us

Role

Description

troubleshooting

network design

performance optimization

infrastructure automation

architectural design

security compliance

Troubleshooting: Act as the escalation point for complex infrastructure and network issues, providing expert-level troubleshooting and root cause analysis.
Network Strategy: Define and implement the network topology and security policies for the OpenShift cluster and its hosted applications, including ingress/egress routing, load balancing, and firewall rules.
Performance and Scalability: Optimize the infrastructure and network for performance and scalability, ensuring the platform can handle increasing workloads and traffic.
Automation: Drive the automation of infrastructure provisioning, configuration, and management using Infrastructure as Code (IaC) tools such as Terraform, Ansible, and GitOps workflows.
Architectural Design: Lead the design of the end-to-end infrastructure and network architecture for our OpenShift platform, including networking, storage, compute, and security components.
Collaboration: Work closely with OpenShift platform engineers, application development teams, security teams, and operations teams to ensure seamless integration and alignment of architectural goals.
Mentorship: Mentor and guide junior engineers, sharing knowledge and fostering a culture of technical excellence.
Security and Compliance: Design and enforce security best practices within the infrastructure and network layers, ensuring compliance with industry standards and internal policies. This includes implementing network segmentation, micro-segmentation, and zero-trust principles.
Roadmap and Innovation: Stay abreast of emerging technologies and industry trends in cloud-native networking and infrastructure, and contribute to the long-term strategic roadmap for the platform.
OpenShift Expertise: Serve as the subject matter expert on OpenShift infrastructure and networking, including OVN-Kubernetes, Open vSwitch, SDN, and various CNI plugins.

Requirements

public cloud

red hat

openshift

terraform

kubernetes

rhca

Hands-on experience with public cloud providers (e.g., AWS, Azure, GCP) and their networking services.
Red Hat Technologies: Experience with other Red Hat technologies such as Red Hat Enterprise Linux (RHEL), Red Hat Ansible Automation Platform, Red Hat Satellite, or Red Hat Ceph Storage.
Knowledge of monitoring and observability tools (e.g., Prometheus, Grafana, ELK stack).
Solid understanding of network protocols and technologies (TCP/IP, DNS, BGP, VPNs, firewalls).
Proven experience in a senior infrastructure or network architecture role, with a strong focus on cloud-native platforms.
Familiarity with CI/CD pipelines and GitOps methodologies.
Proficiency in Infrastructure as Code (IaC) tools like Terraform or CloudFormation.
Deep expertise in Red Hat OpenShift, including its core components and underlying infrastructure.
Certifications: Holding certifications like Red Hat Certified Architect (RHCA) or Red Hat Certified Engineer (RHCE) is a significant plus.
Experience with configuration management tools like Ansible.
Excellent problem-solving, communication, and collaboration skills.
Extensive experience with Kubernetes networking concepts (CNI, Services, Ingress, Network Policies).
Microservices Architecture: Experience designing and implementing network and infrastructure solutions for microservices-based applications. This includes knowledge of service mesh technologies (e.g., Istio, Linkerd) and API gateways.
Strong scripting skills (e.g., Python, Bash).

Benefits

Full support and career-development resources to expand your skills, enhance your expertise, and maximise your potential along your career journey.
Generous Total Rewards Plan – comprising of health, finance and wealth, work/life balance, and career benefits.

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

Founded with a mission to ensure the energy system operates efficiently and reliably.
Specializes in managing the balance between energy supply and demand across a wide network.
Focuses on integrating renewable energy sources like wind and solar into the grid.
Has played a pivotal role in modernizing infrastructure to meet growing energy needs.
Committed to providing secure energy services while minimizing environmental impacts.
Works closely with stakeholders in the energy, transport, and utilities sectors.
Supports government and private sector projects with a focus on energy sustainability.
Has successfully managed several large-scale projects to upgrade energy transmission systems.
A leader in adapting energy infrastructure to accommodate the future needs of smart grids.

Culture + Values

Clean Power
Decarbonised Energy
Consumer Value
Customer Centricity
Digital Mindset
People Value
"We will show up openly and consistently, ensuring our actions and decisions are seen as informed, considered and balanced."
"We are committed to being inclusive and nurturing talent from all backgrounds, creating a deep sense of belonging across the organisation."

Environment + Sustainability

50% Renewable

Electricity from renewables

In 2024, half of Great Britain's electricity was generated from renewable sources.

UK Coal Phaseout

First G7 country coal-free

The UK became the first G7 country to completely phase out coal power in 2024.

Net Zero – enabling the government to deliver on its legally binding emissions targets.
Conducting Strategic Environmental Assessments, Habitats Regulations Assessment and Marine Conservation Zone Assessment for future network plans (ongoing over next 12 months).
Pathway to 2030 and Beyond 2030 holistically coordinates offshore electricity generation network planning.
Developing Clean Power 2030 pathways, balancing services reform, zero carbon operation and connections reform under the Clean Power priority.
Strategic Planning includes safeguarding the environment while ensuring system resilience and consumer benefits in regional and whole-system energy plans.

Inclusion & Diversity

Member of Inclusive Employers to embed inclusive practices and provide resources, expert advice and events.
Partnered with Disability Confident to improve recruitment, retention and development for colleagues with disabilities.
We believe our people perform at their best when they can be their true selves… only by embracing diversity, and being a truly inclusive organisation, can we accelerate the delivery of a zero‑carbon energy system.
Explicit commitment to fair representation of all demographics among employees.

Articles

Home

Careers

About Us