Senior Network Architect

An extraordinarily talented group of individuals work together everyday to drive TNS success from both professional and personal perspectives. Come join the excellence!

As a senior member of the Network Architecture team, you are responsible for the design, documentation and deployment of services within a global Managed Service Provider IP/MPLS network. Primary focus is on designing solutions such as large‑scale SD‑WAN, IPSec and MPLS VPN, IP multicast solutions across wired and wireless comms.

The role comes at an exciting time for TNS as we integrate services into private‑ and public‑cloud environments, with a focus on automation and orchestration and a look to transform to a Net Dev Ops  model where this role will play a key part.

The position requires technical expertise across multiple areas and functions – ability to work with pre‑sales and internal teams on requirements gathering, creation of high‑level and detailed design specs, ability to work alongside development teams to automate configuration, delivery and support processes, and ownership of overall projects.

Selected candidate will also work with strategic vendors for solution evaluation and customization and will provide third‑level operations support for incident resolution and leadership over critical operational maintenance works.

• Design and test new technologies, features, and solutions and document the results so that they can be repeated and supported by the Implementations team and Network Operations Center.
• Work closely with Pre‑Sales Engineers and Product Marketing to understand customer requirements and develop scalable, consistent and supportable technical solutions.
• Work with existing and new vendors to evaluate platforms and solutions for integration into TNS’ product suite.
• Provide third‑level support to TNS’ Network Operations Center staff and Implementations teams.
• Develop and document detailed lab test plans and reports, document procedures and new configurations, provide training for operations departments and other engineers, and write troubleshooting, debugging and problem details for vendors.
• Interact with vendors to resolve problems and bugs, and perform hands‑on testing, configuration, and troubleshooting.

• Experience with architecture and provisioning of solutions within MPLS or SD‑WAN based environments.
• Extensive hands‑on experience designing and configuring Fortinet Forti Gate devices, particularly within SD‑WAN topologies.
• Experience with network automation and orchestration tools and Dev Ops methodology (Terraform, Ansible, JSON, Nautobot, vendor‑specific tools like Arista Cloudvision, Cisco DNA Center).
• Proficiency in IPSec (including DMVPN and RRI) design, configuration, operation, and troubleshooting.
• Experience designing cloud‑based architectures in AWS, Azure, GCP.
• Proficiency in IP multicast design, configuration, operation, and troubleshooting.
• Experience in network design and implementation based on high‑level customer requirements.
• Extensive knowledge of TCP/IP and routing protocols (BGP, OSPF, ISIS, EIGRP, PIM, BFD).
• Experience with Customer Edge features such as Network Address Translation, VRRP/HSRP.
• Proven ability to create and maintain comprehensive documentation for all implemented solutions.
• Expert‑level troubleshooting and debugging skills.
• Experience evaluating vendor products (hardware, software, service provider).
• Experience and technical understanding of broadband service deployments (xDSL, cable).
• Ability to design, plan, and coordinate network maintenance and installation windows.
• Hardworking, focused, thorough and punctual.
• Ability to provide written and verbal presentations on technical topics to corporate peers and management.
• Experience providing support for Tier 1 and Tier 2 environments.
• Self‑motivated; able to work independently or within a team with minimal instruction.
• Ability to work flexible hours and provide on‑call support.

• Fortinet, Cisco and/or Juniper certifications (NSE Level 4/5/6/7, CCIE/CCNP‑SP, JNCIE, JNCIP).
• Experience with AAA, TACACS+, Radius, and CA/PKI.
• Experience with Voice over IP, dial services…