Job Description
Job Title: Senior Telecoms Network Design Architect
Location: Hybrid working London or Reading | Type: Contract (6 months initially) | Rate: £600 per day Outside
Role Overview:
We are seeking a highly experienced Telecoms Network Infrastructure Architect with deep expertise in, Telecoms infrastructure, data centre networking, and cloud- technologies. The successful candidate will design, implement, and support complex, scalable, and secure telecoms infrastructure solutions across data centre and cloud environments, with a strong focus on automation, virtualisation, and software-defined networking.
Key Responsibilities:
* Design and implement data centre fabric architectures (Clos, VXLAN, EVPN, multi-domain routing, DCI, anycast, micro-segmentation).
* Develop and support SDN solutions including distributed switching, routing, and security policy enforcement.
* Architect network solutions for VNF and CNF applications, considering performance, scalability, and resilience.
* Support container-based environments with Kubernetes, including CNI plugins, ingress/egress, and network policies.
* Design and maintain services in virtualised and cloud- platforms (OpenStack, OpenShift, WindRiver).
* Drive infrastructure automation using Ansible, Terraform, Python, and Infrastructure-as-Code practices.
* Ensure end-to-end service provider core and data centre network design, including expert-level BGP, inter-AS, and policy/routing configurations.
* Apply Linux expertise across PaaS, IaaS, SaaS, and CaaS environments.
* Work with supporting services such as DNS, ADC, AAA, firewalls, SIEM, protocol inspection, and network visibility tools.
* Align architecture with 3GPP mobile standards (Rel. 15+), IMS, RAN, and CUPS/WWC models.
* Contribute to security and compliance requirements, including alignment with the Telecom Security Act.
* Liaise with vendors and standards bodies; contribute to white papers and industry groups (desirable).
#Required Skills & Experience:
* Proven experience designing and managing data centre and telecom networks at scale.
* Network and security requirements and approaches for:
* 3GPP mobile architectures, particularly 3GPP Release 15 and onwards.
* IMS
* RAN architectures (eg C-RAN functional split models)
* Expert-level knowledge of routing protocols (BGP), network resilience, and service provider architectures.
* Strong experience in Kubernetes, Linux networking, and container networking interfaces (CNIs).
* Hands-on skills in SDN overlays (VXLAN/Geneve), network virtualisation, and service chaining.
* Familiarity with eBPF, telemetry, firewalling, and protocol-aware services (eg, ALGs).
* Strong Scripting and automation skills: Python, Terraform, Ansible.
Desirable but not essential
* Experience with Cisco/Arista platforms, CloudVision, NDFC, NDO (desirable).
* Familiarity with intent-based networking concepts (desirable).
* Experience in RedHat OpenStack/OpenShift and WindRiver environments (desirable).
Certifications ():
* CCIE, JNCIE, or equivalent expert-level routing certifications.
* SDN certifications (eg, ONF).
* Security certifications (eg, CISSP, ISC2).
* Relevant telecom/vendor-specific certifications.
Ideal Candidate Profile:
You are a strategic thinker with hands-on technical depth across networking, cloud, and telecom domains. You have extensive experience in designing secure, resilient infrastructure, and thrive in high-complexity environments where automation, performance, and innovation are critical.
#J-18808-Ljbffr