We’re currently recruiting for an experienced Senior Network Engineer to join our Digital team at our Head Office in Glasgow.
What We Offer
* 33 days’ holiday allowance with room to grow
* Generous retail discounts
* Private healthcare
* Simplyhealth – all employees have access to a GP 24/7 and can claim money back on medical and dental treatments
* Pension scheme
* Maternity and paternity packages
* Opportunities for training and progression
Hours
Full time: Monday – Friday 8.30am – 5pm with an on-call rota
About the role
The Senior Network Engineer designs, delivers and assures secure, resilient enterprise and hybrid network services. The role operates as a senior technical authority, providing expert advice, assurance and leadership across network and security platforms. It combines hands on engineering with responsibility for standards, risk management, operational stability and continuous improvement across the organisation’s network estate.
Day-to-day duties
Network & Security Architecture
* Design and assure complex enterprise network and security architectures using Fortinet technologies, including FortiGate, FortiSwitch, FortiManager, FortiAuthenticator, FortiNAC and FortiSASE.
* Embed security by design principles, including Zero Trust and SASE, into all network solutions.
* Define and maintain network and security standards, reference architectures and configuration baselines.
* Provide authoritative technical advice on network and security design options, risks and trade offs.
Network Operations & Support
* Ensure the availability, performance, resilience and security of enterprise network services.
* Act as escalation point for complex incidents and problems, leading root cause analysis and driving permanent remediation.
* Assure effective incident, problem, change and capacity management for network services.
* Identify and deliver continual improvement opportunities across network operations.
Hybrid & Cloud Connectivity
* Design and support hybrid connectivity between on premises data centres and Microsoft Azure, including Azure Virtual Networks, ExpressRoute and VPN connectivity.
* Ensure hybrid network designs meet security, availability and performance requirements.
* Work closely with cloud and platform teams to integrate consistent network security controls across environments.
Enterprise Networking
* Design, support and optimise enterprise LAN, WAN, campus and data‑centre networks using Cisco and Fortinet technologies.
* Improve segmentation, resiliency, scalability and performance across the network estate.
* Lead the technical evaluation and introduction of new networking capabilities and services.
* Have awareness of enterprise technologies such as Cisco routing technology, OSPF and BGP
Governance, Risk & Assurance
* Ensure network services comply with organisational security policies, regulatory requirements and audit expectations.
* Contribute to risk assessments, architectural assurance and Technical Design Authority (TDA) reviews.
* Provide technical assurance for network changes within formal governance processes.
* Maintain accurate and up to date network documentation, diagrams and asset records.
Leadership & Collaboration
* Act as a senior technical authority and mentor for network engineers.
* Provide peer review, guidance and technical assurance for designs and implementations.
* Collaborate with Cyber Security, Cloud, Infrastructure and Application teams to deliver integrated solutions.
* Engage with suppliers and partners, ensuring solutions meet architectural, security and operational standards.
We are looking for someone with a “can do” attitude to changes in the requirements, the technologies, and the problems we are solving at short notice. We want someone who is pragmatic and can adapt as situations evolve and always want to learn new things.
Essential skills
* Fortinet platforms: FortiGate, FortiSwitch, FortiManager, FortiAuthenticator, FortiNAC, FortiSASE
* Cloud & hybrid networking: Microsoft Azure networking, Azure ExpressRoute, site to site and remote access VPNs
* Enterprise networking: Cisco switching and routing; LAN, WAN and data‑centre networking
* Operational disciplines: Incident, problem, change and capacity management; service assurance; technical documentation
Nice to have
* Proven experience in a senior network engineering role within large or complex enterprise environments.
* Strong hands‑on expertise with Fortinet security and networking platforms.
* Demonstrable experience designing and supporting hybrid on premises and Azure network environments, including ExpressRoute.
* Experience operating within formal governance, risk and change management frameworks.
* Strong written and verbal communication skills, with the ability to clearly articulate technical risk and recommendations.
* Any experience with automation such as Terraform and Ansible would be beneficial but not mandatory.
* Operates with a security first and availability focused mindset.
* Takes ownership and accountability for technical outcomes.
* Uses evidence‑based decision making and communicates clearly with technical and nontechnical stakeholders.
* Actively supports mentoring, knowledge sharing and continuous improvement across the engineering community
Employment within the Arnold Clark Group is offered subject to satisfactory reference and disclosure check.
#J-18808-Ljbffr