Network Architect

4 days ago

City of Edinburgh, United Kingdom TESTQ Technologies Full time

The Network Architect will be responsible for designing, integrating, and securing network environments required to support large-scale application migration initiatives. The role involves network architecture design, firewall configuration, integration discussions with cross-functional teams, and ensuring end-to-end connectivity for on-prem and cloud-based workloads. Key Responsibilities Lead network architecture and integration discussions to define connectivity requirements for application migration projects. Design and implement network topologies, routing strategies, and segmentation models to support new and existing application environments. Perform and coordinate firewall (FW) changes, including rule creation, optimization, NAT, ACL updates, security policies, and migration of firewall policies. Ensure secure and reliable network connectivity between on-premises data centers, cloud platforms, and third-party applications. Work closely with application, cloud, and security teams to validate network requirements and ensure compatibility with migration workflows. Troubleshoot network performance, latency, routing, DNS, load balancers, and connectivity issues affecting migrated applications. Support end-to-end network readiness, including testing, packet tracing, and validation of communication paths prior to go-live. Maintain documentation for network designs, IP schemas, firewall rule sets, and migration-related architecture changes. Ensure compliance with network security best practices, including traffic segmentation, Zero Trust principles, and access control. Participate in change management (CAB) to evaluate and implement network-related changes with minimal risk. Required Skills & Experience Strong experience in network architecture, design, and operations in enterprise environments. Hands-on expertise with firewalls (Palo Alto, Check Point, Fortinet, Cisco ASA, or similar). Solid understanding of routing, switching, VPN, BGP, OSPF, MPLS, and network segmentation. Experience supporting application migrations across data centers or cloud platforms (Azure, AWS, GCP preferred). Strong knowledge of load balancers, proxy servers, DNS, DHCP, NAT, and IP addressing. Ability to interpret and design network diagrams, HLD/LLD documentation, and security architectures. Excellent troubleshooting and communication skills for working with cross-functional teams. Preferred Qualifications Relevant certifications such as CCNP, CCIE, PCNSE, NSE, or AWS/Azure Network certifications. Experience with cloud networking (Azure Virtual Network, ExpressRoute, AWS VPC, Transit Gateway, etc.). Familiarity with automation tools (Ansible, Terraform, PowerShell, Python) for network configuration. Seniority level Mid-Senior level Employment type Contract Job function IT Services and IT Consulting Referrals increase your chances of interviewing at TESTQ Technologies by 2x Edinburgh, Scotland, United Kingdom #J-18808-Ljbffr

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