Network Architect

4 days ago

Edinburgh, Edinburgh, United Kingdom TESTQ Technologies Full time £60,000 - £120,000 per year

Overview:

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.

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