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Ofgem leads the way for the energy industry and requires secure, resilient, and future-ready network infrastructure to support our critical mission. We’re looking for a Senior Network Engineer to join us and help us transform our IT infrastructure with cutting-edge solutions and expert management.
Ofgem is Great Britain’s independent energy regulator. We’re at the forefront of change across the energy sector, driving toward Net Zero whilst protecting energy consumers - especially vulnerable people.
We’re offering a permanent role where you’ll play a central part in evolving our network infrastructure. This is an opportunity to work with next generation networking technologies, including Microsoft Azure Cloud Network Services and Secure Access Service Edge (SASE) architecture. You’ll be empowered to make a real impact, supporting a robust and innovative infrastructure that will shape Ofgem’s digital journey.
This role sits within a close-knit, agile team that values flexibility, collaboration, and continuous learning, and you will work alongside experienced colleagues who will support your development and growth. As a Senior Network Engineer, you’ll experience a dynamic work environment with opportunities to develop your skills across multiple areas in networking and security.
We’re looking for someone with end-to-end knowledge of server infrastructure and expertise in troubleshooting network issues. You’ll be a confident, self-starting professional who can work independently within an agile, small team. Experience with firewalls is essential, and candidates should have the ability to achieve and maintain SC clearance.
At Ofgem, we pride ourselves on offering exceptional flexible working options. With only 20% of your time required in the office, you’ll have the freedom to balance your work environment to suit your needs. We empower you to make the space your own, ensuring you have the flexibility to thrive both personally and professionally. You’ll also be part of a supportive culture that values work-life balance, providing a fantastic opportunity to grow within a dynamic and collaborative team.
We have a critical purpose to support and regulate the energy industry and a vital part of that involves building and maintaining an advanced, secure network infrastructure. By bringing your skills to this role, you’ll be helping to ensure stability, security, and connectivity in a rapidly changing environment.
Key Responsibilities
* We are looking for an experienced Senior Network Engineer to provide vital Information Technology network services to Ofgem. You will be responsible for day-to-day network infrastructure support and strategic and tactical enhancements. These include migrating core services to the cloud (Azure) and upgrading on-premises network technology.
* In-depth knowledge of networking concepts and protocols, including TCP/IP, VLANs, routing, and switching configuration and development of Secure Access Service Edge (SASE) architecture and supporting IT Network Infrastructure.
* Identification and Implementation of technical improvements and upgrades to the network infrastructure.
* Working closely with the CTO function and support teams to enhance, manage and maintain the existing network covering development, staging and live environments. You will be responsible for supporting our remote working, existing core network implementation and configuration alongside end-to-end troubleshooting.
* Hands-on support with the Microsoft Azure Cloud Network Services (e.g. Front Door, WAF and Virtual Cloud Networking) and experience of Windows/Linux server network infrastructure.
* Troubleshoot complex incidents and project escalations, and the ability to learn new skills/technologies both on-the-fly and with Support via colleagues or training.
* Leading and communicating insights and vendor & framework best practices with peers and stakeholders on these service improvements.
* Documenting our Networking Services, project documentation, and incident remediation or information for security purposes.
Key Outputs and Deliverables
* Lead and work within CDIO function to refresh, design, build, and operate our Cloud and on-premises network services.
* Design, Support and implement solutions using networking services, such as SD-WAN, MPLS, Core, Edge and Access Networking, Wi-Fi and IPSEC VPN
* Monitor and troubleshoot cloud-based applications and services, automate cloud-based deployments using Azure DevOps.
* Provide technical administration for the Continuity of Operations/Disaster Recovery architecture and planning.
* Technical knowledge of Microsoft Azure and On-Prem network components and how they integrate with one another.
* Provide documentation and resources to colleagues across Information Services, ensuring that all services are fully supported, and end users have access to appropriate technical Support and information.
Person specification
We are looking for knowledge and experience in the following technologies:
* (Lead criteria) Layer 2 and layer 3 switched and routed networks, preferably using Cisco hardware, preferably educated to CCNA and CCNP knowledge level (Routing and Switching).
* (Lead criteria) Network security, including on-premises, cloud and hybrid deployments. Implementation and configuration of SD-WAN networks, network monitoring, and network optimisation.
* Cloud environments, specifically Azure, e.g. Transit Gateway, Azure Firewall.
* Routing protocols, in particular OSPF, EIGRP and BGP.
* Configuration and management of remote access technologies.
* WAN technologies, ideally MPLS and IPSEC VPN.
* Wireless LANs, preferably using Cisco access points and network access control systems such as Cisco ISE.
* Disaster recovery development, designs, and implementation.
Behaviours
We'll assess you against these behaviours during the selection process:
* Changing and Improving
* Working Together
* Delivering at Pace
Alongside your salary of £47,895, OFGEM contributes £13,875 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides.
Ofgem can offer you a comprehensive and competitive benefits package which includes; 30 days annual leave after 2 years; Excellent training and development opportunities; The opportunity to join the generous Civil Service pension which also includes a valuable range of benefits; Hybrid working (currently 1 day a week in the office but is in review), flexible working hours and family friendly policies. Plus lots of other benefits including clean and bright offices based centrally, engaged networks and teams and an opportunity to contribute to our ambitious and important targets of establishing a Net Zero energy system by 2050. This exciting blend of professional challenge and personal reward identifies career opportunities at Ofgem as something to get excited about.
This vacancy is using Success Profiles (opens in a new window), and will assess your Behaviours and Experience.
When you press the ‘Apply now’ button, you will be asked to complete personal details (not seen by the sift panel) and upload a copy of your anonymised CV.
You will then be asked to provide a 1250 word ‘personal statement’ evidencing how you meet the essential and desirable skills and capabilities listed in the role profile. Please ensure you demonstrate clearly, within your supporting statement, how you meet each of the essential and desirable skills and capabilities.
The Civil Service values honesty and integrity and expects all candidates to abide by these principles. You must ensure that any evidence submitted as part of your application or used during interview, including your CV and any statements or examples, are truthful and factually accurate. Ofgem takes any incidences of cheating very seriously. Please ensure all examples provided are of your own experience. Any instances of plagiarism or other forms of cheating will be investigated and, if proven, the relevant applications will be withdrawn from the process. Please note that plagiarism can include presenting the ideas and experiences of others, or generated by artificial intelligence, as your own.
Please refer to Civil Service candidate advice on the acceptable use of artificial intelligence within the recruitment and selection process - Artificial intelligence and recruitment, Civil Service Careers
The personal information we have collected from you will be shared with Cifas who will use it to prevent fraud, other unlawful or dishonest conduct, malpractice, and other seriously improper conduct. If any of these are detected, you could be refused certain services or employment. Your personal information will also be used to verify your identity. Further details of how your information will be used by us and Cifas, and your data protection rights, can be found by [https://www.cifas.org.uk/fpn].
SC is required for this role. Information and eligibility guidance can be found here: SC - Guidance Pack for Applicants - GOV.UK
Click 'apply now' to be redirected to the Civil Service Jobs website to apply for the role. The deadline for applications is 23:55 on Monday 25th August 2025.
Feedback will only be provided if you attend an interview or assessment.
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
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Information Technology
* Industries
Utilities and Government Administration
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