336 Network Architect jobs in the United Kingdom

Senior Network Architect

Contract Opportunity - 12 Months initially - Fully Remote

In this role you will be responsible for shaping the strategic direction for the technology estate; engaging closely with stakeholders, both within and outside IT networks, and engaging with business architecture to ensure the join-up of strategic direction; creating road-maps based on the target architecture; defining and leading governance over the technology estate to ensure adherence to defined technical vision and principles; ensuring solutions are secure by design and by default; and seeking out new technology trends and solutions and applying this knowledge to shaping future technology road-maps.

What you need:

• Expert in working with Cisco technology (ISE/DNAC/Wireless etc.)
• Excellent design and architecture skills and experience of agile delivery methods
• Experience in cloud technologies is desirable (AWS /Azure etc)
• Experience in DDI/MFA Solution is desirable.
• Experience of working across a broad range of technologies, with good understanding of all aspects of IT (e.g. applications, data, network/infrastructure, security). Solid understanding of network technologies/solution from design to Implementation

Job Title: Network Architect

Location: London, UK

Rate/Salary: 400.00 - 460.00 GBP Daily

Job Type: Contract

Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at (url removed)>

To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to (url removed)>

We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at (url removed)/en-gb/privacy-notices for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield.

Network Architect

Birmingham

Up to 78k plus 15% bonus, 10% DV allowance and 6k car allowance.

Total package: 103,500

Candidates must be willing and eligible to go through SC and DV clearance for this role.

Responsibilities:

• Provide day to day support to the Programme and Project Managers to deliver the required network designs within all work streams (Main Programme, Live Service, Service Requests and Requests for Change).
• Support the Lead Architect/deputy CTO in defining designs in line with requirements.
• Support the Network Design Engineers and Support Engineers with delivery and operational challenges.
• Create and be responsible for HLD/LLD components for specific key areas of the solution: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN and LAN, Endace, NTP, Data Centre Firewall and LAN.
• Ensure designs produced are fit for purpose and are capable of going through review and governance.
• Provide input into reports, when required, to the customer and Programme.

Skills Required:

• Experience of overseas infrastructure and work is essential for this role.
• Demonstrable design experience in proposing and utilising technologies from a variety of industry leading technology vendors.
• Experience in requirements management and associated tooling.
• Demonstrable experience in the creation of IP Addressing designs or in the configuration and support of said design.
• Demonstrable troubleshooting skills and approach to defect resolution.
• Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability
• Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products
• Solid understanding of customer end to end life-cycle
• Excellent communications skills (with different teams), willing to share knowledge, able to take ownership and responsibility and make quick decisions

Network Architect

Basingstoke

Up to 78k plus 15% bonus, 10% DV allowance and 6k car allowance.

Total package: 103,500

Candidates must be willing and eligible to go through SC and DV clearance for this role.

Responsibilities:

• Provide day to day support to the Programme and Project Managers to deliver the required network designs within all work streams (Main Programme, Live Service, Service Requests and Requests for Change).
• Support the Lead Architect/deputy CTO in defining designs in line with requirements.
• Support the Network Design Engineers and Support Engineers with delivery and operational challenges.
• Create and be responsible for HLD/LLD components for specific key areas of the solution: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN and LAN, Endace, NTP, Data Centre Firewall and LAN.
• Ensure designs produced are fit for purpose and are capable of going through review and governance.
• Provide input into reports, when required, to the customer and Programme.

Skills Required:

• Experience of overseas infrastructure and work is essential for this role.
• Demonstrable design experience in proposing and utilising technologies from a variety of industry leading technology vendors.
• Experience in requirements management and associated tooling.
• Demonstrable experience in the creation of IP Addressing designs or in the configuration and support of said design.
• Demonstrable troubleshooting skills and approach to defect resolution.
• Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability
• Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products
• Solid understanding of customer end to end life-cycle
• Excellent communications skills (with different teams), willing to share knowledge, able to take ownership and responsibility and make quick decisions

Network Architect

Stevenage

Up to 78k plus 15% bonus, 10% DV allowance and 6k car allowance.

Total package: 103,500

Candidates must be willing and eligible to go through SC and DV clearance for this role.

Responsibilities:

• Provide day to day support to the Programme and Project Managers to deliver the required network designs within all work streams (Main Programme, Live Service, Service Requests and Requests for Change).
• Support the Lead Architect/deputy CTO in defining designs in line with requirements.
• Support the Network Design Engineers and Support Engineers with delivery and operational challenges.
• Create and be responsible for HLD/LLD components for specific key areas of the solution: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN and LAN, Endace, NTP, Data Centre Firewall and LAN.
• Ensure designs produced are fit for purpose and are capable of going through review and governance.
• Provide input into reports, when required, to the customer and Programme.

Skills Required:

• Experience of overseas infrastructure and work is essential for this role.
• Demonstrable design experience in proposing and utilising technologies from a variety of industry leading technology vendors.
• Experience in requirements management and associated tooling.
• Demonstrable experience in the creation of IP Addressing designs or in the configuration and support of said design.
• Demonstrable troubleshooting skills and approach to defect resolution.
• Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability
• Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products
• Solid understanding of customer end to end life-cycle
• Excellent communications skills (with different teams), willing to share knowledge, able to take ownership and responsibility and make quick decisions

Network Architect

+Permananet opportunity

+Hybrid working in Basingstoke / Bracknell / Stevenage

+SC / DV cleared role - must be eligible for clearance

+Sole British - due to nature of the project

Skills:

+ Network Architect

+ Cisco / Juniper

+ Delivery architect

+Customer focussed

+Hands on Architect

As a Application Architect, you will contribute to this by working collaboratively in the project team, and designing and delivering medium to large network solutions to enable services for our customer.

Your transferable skills and experience:

• Provide day to day support to the Programme and Project Managers to deliver the required network designs within all work streams (Main Programme, Live Service, Service Requests and Requests for Change).
• Support the Lead Architect/deputy CTO in defining designs in line with requirements.
• Support the Network Design Engineers and Support Engineers with delivery and operational challenges.
• Create and be responsible for HLD/LLD components for specific key areas of the solution: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN and LAN, Endace, NTP, Data Centre Firewall and LAN.
• Ensure designs produced are fit for purpose and are capable of going through review and governance.
• Provide input into reports, when required, to the customer and Programme.
• Experience of overseas infrastructure and work is essential for this role.
• Demonstrable design experience in proposing and utilising technologies from a variety of industry leading technology vendors.
• Experience in requirements management and associated tooling.
• Demonstrable experience in the creation of IP Addressing designs or in the configuration and support of said design.
• Demonstrable troubleshooting skills and approach to defect resolution.
• Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability
• Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products
• Solid understanding of customer end to end life-cycle
• Excellent communications skills (with different teams), willing to share knowledge, able to take ownership and responsibility and make quick decisions

This role will require you to be eligible and willing to undergo UK Security clearance.

If you'd like to discuss this role in more detail, please send your updated CV to (url removed) and I will get in touch.

Network Architect

+ Hybrid in London
+ 6 Month contract (Extensions likely)
+ DV cleared role

+650 - 700 a day

*Candidates must be sole UK Nationals due to nature of project.

Skills:

+ HLD and LLD

+Network Architecture

+DV clearance

Requirement:

Strategic network delivery of design artifacts in alignment with project schedule. Artefacts include, but not limited to: Site specific network design (HLD/LLD) Passive infrastructure design and laydown System specific active equipment installation design Rack layouts Patching schedules
* Enterprise, Local IT & Other Government Department (OGD) System Owner engagement to ensure alignment of proposed system implementation.
* Strong technical background with understanding of end-to-end system design and dependencies. Network Architecture & Design Network Implementation Passive (fibre & copper, vertical (backbone) & horizontal) infrastructure design LANs & WANs WAN circuit dependencies and provisioning Data Encryption (cryptos) End User Device (EUD), computer storage, etc dependencies upon network infrastructure. Uninterruptible Power Supplies (UPS)
* Understanding of system delivery lifecycle through Service Design, Service Transition, Service Acceptance and Live Service Working collaboratively with Service Architects on Service Assurance and Service Gate Reviews.
* Requirements analysis and ability to develop technical solutions in response.
* Impact Analysis and ability to understand the impact of certain technical decisions, internally and externally. Understand Dependencies, Assumptions, Issues & Risks. Understand impact on costs and schedules.
* Stakeholder (Internal & External) relationships and technical management: On-site contractors, project team and Agency suppliers.
* Team Lead the network and other technical aspects of the Programme Primary technical (network and certain other technical aspects) Point of Contact (PoC) Provide technical guidance, governance and assurance Teach and develop junior / less experienced project team members to streamline delivery

If you'd like to discuss this Network Architect role in more detail, please send your updated CV to (url removed) and I will get in touch.

Tyseley, Birmingham

70,000 - 80,000

Location: UK (Hybrid)
Function: Digital - Cloud
Career Level: Contributing & Developing

Are you a seasoned network specialist ready to shape the future of digital infrastructure? We're looking for a Technical Architect - Networks to lead the design and evolution of cutting-edge network solutions across digital platforms and services.

The business are a leading UK-based technology solutions provider with a strong heritage in delivering innovative IT services across cloud, networking, and digital transformation. As a Technical Architect - Networks , you'll play a pivotal role in shaping next-generation platforms and services that support enterprise clients across diverse sectors.

• Architect and lead network designs across digital platforms, ensuring alignment with governance and standards.
• Drive the development of new products and services with strategic network architecture.
• Evaluate and enhance existing platforms for performance, security, and supportability.
• Provide expert input in presales engagements, helping to shape customer solutions and drive growth.
• Identify and present opportunities for operational efficiencies and cost savings.
• Contribute to network automation strategy and standardisation efforts.
• Mentor engineering teams and provide 4th line support for complex issues.

• Deep expertise in routing, switching, and network security, with strong cross-stack awareness.
• Proven experience with Cisco Nexus, Catalyst, ISR/ASR platforms, and Cisco ACI migrations.
• Advanced knowledge of Cisco and/or Fortigate firewalls and security features.
• Strong documentation skills (HLD/LLD, schematics) and presales experience (RFI/RFP, BoM, SoW).
• Experience leading large-scale network deployments.
• Skills or willingness to upskill in SD-WAN (Meraki/Fortigate), automation (Ansible/Terraform), and public cloud networking.
• Confident communicator and resilient problem-solver with excellent analytical and decision-making abilities.

• Proven track record as a Network Architect or Senior Network Engineer.
• Essential: Expert-level knowledge of Cisco ACI.
• Strong understanding of datacentre networking, SDN, and virtualization.
• Proficiency in BGP, OSPF, and other routing protocols.
• Relevant certifications (e.g., CCNP, CCIE) highly preferred.
• Experience with automation tools and scripting (Python, Ansible) is a plus.

Ready to architect the future of digital networks? Apply now and bring your expertise to a team that values innovation, collaboration, and technical excellence.

Network Architect

Basingstoke

Up to 78k plus 15% bonus, 10% DV allowance and 6k car allowance.

Total package: 103,500

Candidates must be willing and eligible to go through SC and DV clearance for this role.

Responsibilities:

• Provide day to day support to the Programme and Project Managers to deliver the required network designs within all work streams (Main Programme, Live Service, Service Requests and Requests for Change).
• Support the Lead Architect/deputy CTO in defining designs in line with requirements.
• Support the Network Design Engineers and Support Engineers with delivery and operational challenges.
• Create and be responsible for HLD/LLD components for specific key areas of the solution: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN and LAN, Endace, NTP, Data Centre Firewall and LAN.
• Ensure designs produced are fit for purpose and are capable of going through review and governance.
• Provide input into reports, when required, to the customer and Programme.

Skills Required:

• Experience of overseas infrastructure and work is essential for this role.
• Demonstrable design experience in proposing and utilising technologies from a variety of industry leading technology vendors.
• Experience in requirements management and associated tooling.
• Demonstrable experience in the creation of IP Addressing designs or in the configuration and support of said design.
• Demonstrable troubleshooting skills and approach to defect resolution.
• Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability
• Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products
• Solid understanding of customer end to end life-cycle
• Excellent communications skills (with different teams), willing to share knowledge, able to take ownership and responsibility and make quick decisions

Network Architect

Stevenage

Up to 78k plus 15% bonus, 10% DV allowance and 6k car allowance.

Total package: 103,500

Candidates must be willing and eligible to go through SC and DV clearance for this role.

Responsibilities:

• Provide day to day support to the Programme and Project Managers to deliver the required network designs within all work streams (Main Programme, Live Service, Service Requests and Requests for Change).
• Support the Lead Architect/deputy CTO in defining designs in line with requirements.
• Support the Network Design Engineers and Support Engineers with delivery and operational challenges.
• Create and be responsible for HLD/LLD components for specific key areas of the solution: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN and LAN, Endace, NTP, Data Centre Firewall and LAN.
• Ensure designs produced are fit for purpose and are capable of going through review and governance.
• Provide input into reports, when required, to the customer and Programme.

Skills Required:

• Experience of overseas infrastructure and work is essential for this role.
• Demonstrable design experience in proposing and utilising technologies from a variety of industry leading technology vendors.
• Experience in requirements management and associated tooling.
• Demonstrable experience in the creation of IP Addressing designs or in the configuration and support of said design.
• Demonstrable troubleshooting skills and approach to defect resolution.
• Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability
• Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products
• Solid understanding of customer end to end life-cycle
• Excellent communications skills (with different teams), willing to share knowledge, able to take ownership and responsibility and make quick decisions