Senior Network Architect

Join to apply for the Senior Network Architect role at Transaction Network Services (TNS).

An extraordinarily talented group of individuals work together every day 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 and across wired and wireless communications. The role comes at an exciting time for TNS as we integrate services into private‑ and public‑cloud environments, with a focus on automation, orchestration and transformation to a Net Dev Ops  model.

• Design and test new technologies, features, and solutions, documenting results so they can be repeated by the Implementations team and supported by the Network Operations Center.
• Work closely with Pre‑Sales Engineers and Product Marketing to understand customer requirements and develop scalable, consistent and supportable technical solutions.
• Evaluate platforms and solutions with existing and new vendors 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, procedures and new configurations, provide training for operations departments and other engineers, and deliver written troubleshooting, debugging and problem detail to vendors.
• Interact with vendors to resolve problems and bugs, performing hands‑on testing, configuration and troubleshooting.

• Experience with architecture and provisioning of solutions within MPLS or SD‑WAN environments.
• Hands‑on experience with the design and configuration of Fortinet Forti Gate devices, especially within SD‑WAN topologies.
• Experience with network automation and orchestration tools and Dev Ops methodology (e.g., Terraform, Ansible, JSON, Nautobot, vendor‑specific tools such as Arista Cloud Vision, Cisco DNA Center).
• Proficiency in IPSec (including DMVPN and RRI) design, configuration, operation and troubleshooting.
• Experience designing cloud‑based architectures in AWS, Azure or GCP.
• Proficiency in IP Multicast design, configuration, operation and troubleshooting.
• Experience in network design and implementation based on high‑level customer requirements.
• Extensive TCP/IP and routing knowledge (BGP, OSPF, ISIS, EIGRP, PIM, BFD).
• Experience with Customer Edge features such as NAT, VRRP/HSRP.
• Proven ability to create and maintain comprehensive documentation for all implemented solutions.
• Expert‑level troubleshooting and debugging skills.
• Experience in vendor product evaluation (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 Tier1 and Tier2 environments.
• Self‑motivated; able to work independently or within a team environment with minimum instruction from management.
• Able to work flexible hours as required and provide on‑call support.

• Fortinet, Cisco and/or Juniper certifications (e.g., NSE Level 4/5/6/7, CCIE, CCNP‑SP, JNCIE, JNCIP).
• Experience with AAA, Tacacs+, Radius and Kerberos/PKI.
• Experience with Voice over IP, Dial Services (Async/PPP, ISDN), Wireless services (CDMA, EVDO, GPRS, EDGE, 802.11b/g/n) and Server Load‑Balancing (F5).
• Data Center design and support (Cisco Nexus, Arista, Juniper).
• Experience with Server Load‑Balancing (F5, Netscaler, AWS ALB/SLB).
• Experience with GIT, Jenkins and other Dev Ops tools and Agile working practices.
• Creating and deploying Cloud Formation templates.
• Automation using scripting/automation languages such as Python, Ansible and vendor‑specific tools (Arista Cloud Vision, Cisco DNA Center).
• Firewall configuration…