1,624 Network Architect jobs in the United Kingdom

• Developing and evolving the enterprise network security architecture, ensuring alignment with business objectives and threat landscape.
• Designing and implementing security solutions, including firewalls, Intrusion Detection/Prevention Systems (IDS/IPS), VPNs, and secure access controls.
• Conducting security assessments and vulnerability testing of network infrastructure.
• Developing security policies, standards, and procedures to guide the organization's cybersecurity practices.
• Monitoring network traffic for security breaches and performing incident response activities.
• Collaborating with IT operations teams to ensure the secure configuration and deployment of network devices.
• Evaluating and recommending new security technologies and tools to enhance the overall security posture.
• Providing technical leadership and guidance on network security best practices to IT staff.
• Developing disaster recovery and business continuity plans related to network security.
• Staying current with emerging cybersecurity threats, vulnerabilities, and technologies.

• A Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field. A Master's degree is a plus.
• Minimum of 7 years of experience in network security, with at least 3 years in an architectural role.
• In-depth knowledge of TCP/IP, routing protocols, firewalls, IDS/IPS, VPN technologies, and network access control.
• Hands-on experience with security information and event management (SIEM) systems and security orchestration, automation, and response (SOAR) platforms.
• Familiarity with cloud security principles (AWS, Azure, GCP) and their application to network architecture.
• Relevant security certifications such as CISSP, CCIE Security, or CISM are highly desirable.
• Strong analytical and problem-solving skills, with the ability to think critically and strategically.
• Excellent communication and interpersonal skills, with the ability to explain complex technical concepts to both technical and non-technical audiences.
• Experience with scripting languages (e.g., Python, PowerShell) for automation is beneficial.
• Proven ability to work independently and lead cross-functional teams.

• Design, implement, and manage the network security architecture for the organization.
• Develop and enforce security policies, standards, and procedures.
• Deploy and maintain security technologies such as firewalls, IDS/IPS, VPNs, and SIEM systems.
• Conduct regular security assessments, vulnerability scans, and penetration testing.
• Analyze security threats and incidents, and develop appropriate response and remediation plans.
• Collaborate with network and system administrators to ensure secure network configurations.
• Provide technical guidance and support on network security matters.
• Stay current with the latest security threats, vulnerabilities, and technologies.
• Develop and deliver security awareness training to IT staff.
• Contribute to disaster recovery and business continuity planning from a security perspective.

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Minimum of 7 years of experience in network security, with a focus on architecture and design.
• In-depth knowledge of network protocols, security principles, and best practices.
• Experience with firewall management, intrusion detection/prevention systems, and VPN technologies.
• Proficiency in security assessment tools and methodologies.
• Strong understanding of common cyber threats and attack vectors.
• Excellent analytical, problem-solving, and decision-making skills.
• Relevant security certifications such as CISSP, CCNA Security, or GIAC are highly desirable.
• Effective communication and interpersonal skills for collaborating with technical and non-technical stakeholders.
• Ability to work effectively in a team-oriented environment and commute to the Milton Keynes, Buckinghamshire, UK office.

• Design and architect secure network solutions, including firewalls, VPNs, IDS/IPS, and other security controls.
• Develop and maintain network security policies, standards, and procedures.
• Conduct security assessments, vulnerability analyses, and penetration testing.
• Identify and mitigate potential security risks and threats to the network infrastructure.
• Collaborate with network and system engineers to implement security best practices.
• Lead the development and deployment of security technologies and solutions.
• Provide technical expertise and guidance on network security matters.
• Develop incident response plans and participate in incident management.
• Stay abreast of the latest cybersecurity threats, trends, and technologies.
• Ensure compliance with relevant security regulations and standards.
• Mentor junior security team members and contribute to knowledge sharing.
• Evaluate and recommend new security tools and technologies.

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Minimum of 7 years of experience in network security, with a focus on architecture and design.
• In-depth knowledge of TCP/IP, routing protocols, and network security technologies (e.g., firewalls, NAC, WAF, SIEM).
• Experience with cloud security (AWS, Azure, GCP) is highly desirable.
• Proficiency in scripting languages (e.g., Python, Bash) for automation.
• Strong understanding of common attack vectors and defence strategies.
• Excellent analytical, problem-solving, and decision-making skills.
• Exceptional communication and interpersonal skills, with the ability to articulate complex security concepts.
• Ability to work independently and effectively in a remote-first environment.
• Relevant certifications such as CISSP, CCIE Security, or GIAC are highly preferred.

Network Architect - Warwickshire

6 Months

Outside IR35 - Up to 650 per day

The Network Solution Architect designs and documents enterprise network architectures for LAN, WAN, WLAN, and cloud environments to ensure optimal performance, scalability, and security. This role collaborates with stakeholders to align solutions with business objectives, maintains network standards and roadmaps, leads designs for data centers and cloud integration, and creates HLDs, LLDs, and topology diagrams.

Responsibilities include leading technical workshops, resolving complex networking issues, updating architecture standards to meet business and compliance needs, and integrating security features like Zero Trust, segmentation, and NAC into designs.

Key skills

• Design network architectures for cloud environments such as AWS, Azure, and GCP.
• Integrate hybrid and multi-cloud networks and services.
• Develop automation tools and scripts for network management and operational processes (e.g., Terraform, Ansible).
• Deploy network performance monitoring systems, including SolarWinds or Cisco DNA Center, to maintain system performance and uptime.
• Knowledge of IPv4/IPv6, routing, switching, subnetting, VLANs, NAT, and QoS
• Proficient in BGP, OSPF, EIGRP, MPLS, STP, VXLAN, DNS, DHCP
• Familiar with SDN and SD-WAN (Cisco Viptela, Meraki, VMware NSX, Fortinet)
• Experience with VPNs, remote access, load balancing, firewalls, proxy solutions (F5, Palo Alto, Cisco ASA)
• Skilled in wireless networking design, optimization, troubleshooting
• Understanding of security integration: Zero Trust, segmentation, NAC
• Familiar with frameworks: ISO 27001, NIST, PCI-DSS, GDPR
• Track record ensuring compliance in network designs
• Experience with cloud networking (AWS Transit Gateway, Azure VNet, GCP VPC, ExpressRoute)

Interested! Please send your up to date CV to Crimson for immediate review

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• Design and architect resilient, high-performance, and scalable network solutions that meet current and future business requirements.
• Develop comprehensive network strategies, roadmaps, and technology standards for core, transport, access, and data centre networks.
• Lead the evaluation and selection of new network technologies, vendors, and solutions, ensuring alignment with strategic objectives.
• Create detailed network designs, including logical and physical topology, IP addressing schemes, routing protocols, and security configurations.
• Collaborate closely with engineering, operations, and product development teams to ensure successful deployment and integration of network architectures.
• Provide expert technical guidance and mentorship to network engineering teams, fostering best practices and innovation.
• Conduct performance analysis, capacity planning, and network troubleshooting for complex network issues.
• Develop and maintain network documentation, including architectural diagrams, configuration guides, and standard operating procedures.
• Stay abreast of industry trends, emerging technologies, and competitive landscapes to inform network strategy.
• Ensure network designs comply with security policies, industry regulations, and service level agreements.
• Lead proof-of-concept (PoC) initiatives for new network technologies and architectures.
• Effectively communicate complex technical concepts to both technical and non-technical stakeholders.

• Master's degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
• Minimum of 10-15 years of progressive experience in network engineering and architecture, with a significant focus on telecommunications.
• Demonstrated expertise in designing and deploying large-scale IP/MPLS networks, BGP, OSPF, IS-IS, and MPLS TE.
• In-depth knowledge of Software-Defined Networking (SDN), Network Functions Virtualization (NFV), and cloud networking (AWS, Azure, GCP).
• Strong understanding of wireless technologies (4G/5G), optical networking, and data centre architectures.
• Experience with network security principles, firewalls, VPNs, and intrusion detection/prevention systems.
• Proven ability to lead complex architectural projects and mentor engineering teams.
• Excellent analytical, problem-solving, and critical thinking skills.
• Exceptional written and verbal communication skills, with the ability to influence decision-making.
• Relevant industry certifications such as CCIE, JNCIE, or cloud architecture certifications are highly desirable.
• This is a fully remote role, requiring a self-motivated individual with excellent time management skills.

• Design and architect enterprise-level network solutions, including LAN, WAN, wireless, and cloud connectivity.
• Develop comprehensive network strategies and roadmaps that align with business objectives and emerging technologies.
• Evaluate and select appropriate network hardware, software, and service providers.
• Create detailed network diagrams, documentation, and implementation plans.
• Oversee the deployment, configuration, and testing of new network infrastructure.
• Troubleshoot complex network issues and provide advanced technical support.
• Ensure network security best practices are implemented and maintained across all network components.
• Collaborate with cross-functional teams, including engineering, operations, and security, to ensure seamless integration.
• Lead technical projects from inception to completion, managing timelines and resources effectively.
• Stay current with industry trends, advancements in networking technologies, and competitive offerings.
• Mentor junior network engineers and provide technical guidance.

• Bachelor's degree in Computer Science, Engineering, Telecommunications, or a related field.
• Minimum of 8 years of experience in network engineering and architecture, with a strong focus on telecommunications networks.
• In-depth knowledge of routing protocols (e.g., BGP, OSPF), switching technologies, firewalls, and load balancing.
• Experience with cloud networking (e.g., AWS, Azure, GCP) and Software-Defined Networking (SDN).
• Proficiency in network monitoring and management tools.
• Strong understanding of network security principles and best practices.
• Excellent analytical, problem-solving, and critical thinking skills.
• Exceptional communication, presentation, and interpersonal skills.
• Relevant certifications such as CCIE, JNCIE, or equivalent are highly desirable.
• Experience working effectively in a hybrid work environment.