SPTel Hiring! Full Time Customer Solution Architect - Presales Engineer (Connectivity - Managed Services) in - Ricebowl

Job Brief

About us

SPTel is a Business Class Digital Services provider that promises:

• Fully digitalised processes, enabling on demand provisioning of services such as Bandwidth and cyber security
• Business Grade connectivity standards that include <1ms ultra low latency performance and clean-pipe connectivity as a default
• True network diversity for improved reliability with unique fibre pathways and facilities that are physically separate from incumbent telcos
• Innovative services such as IoT-a-a-S and Edge Cloud computing

We are well recognised in the industry clinching numerous awards for our cutting-edge telco services and have doubled our customer base annually in the last 3 years. We were also featured in the CNA documentary “Home-Grown with a Digital Edge”.

These accolades and achievements are the result of us meticulously grooming a team of talents and specialists to be part of our exciting journey and we are looking to grow our team. If you are a skilled and driven individual, do join us as co-creators of the future of SPTel.

Responsibilities

• End-to-End Solution Architecture: Partner with sales teams to lead technical discovery, gather requirements, and architect integrated solutions spanning core WAN, optical transport, and enterprise LAN/edge infrastructure.
• Core Transport & Optical Mastery: Design high-availability optical and transport network topologies utilizing:
  – DWDM / Optical Transport: High-capacity wavelength services, dark fibre topology, FlexGrid/ROADM optical architectures, and ultra-low latency optical pathing.
  – DCI & Metro-Ethernet: High-throughput data center interconnects, E-Line (P2P), and E-LAN (MP2MP) Layer 2 Ethernet connectivity.
  – IPVPN & Managed Internet: MPLS Layer 3 VPNs, multi-homed BGP routing, clean-pipe DDoS mitigation, and business internet delivered over SPTel’s Software-Defined Network.
• Managed Edge & Enterprise Services Expertise: Architect fully managed enterprise solutions incorporating:
  – SD-WAN: Software-defined overlay networks, dynamic path selection, multi-cloud connectivity, and centralized cloud orchestration.
  – Managed Security & Firewall: Next-Generation Firewalls (NGFW), unified threat management (UTM), zero-trust access control, and cloud security integrations.
  – Managed Enterprise Wi-Fi & Switching: High-density enterprise Wi-Fi 6/6E deployment models, cloud-managed access switches, stackable core switches, and PoE budgeting for enterprise premises.
• RFP & Technical Bidding: Lead technical response strategies for enterprise RFPs, RFIs, and tenders. Author High-Level Designs (HLD), Low-Level Designs (LLD), Bill of Materials (BOM), and detailed technical proposals.

• Customer Presentation & POCs: Present solution architecture, network diversity models, and managed service SLAs to key enterprise stakeholders (CTOs, IT Directors, Infrastructure Managers). Direct and execute Proof-of-Concept (POC) demonstrations.

• Cross-Functional Alignment: Coordinate with Product Management, Network Engineering, Implementation, and Service Operations to ensure smooth transition from presales design to post-sales deployment and managed support.

Requirements

• Bachelor’s Degree or Diploma in Telecommunications, Computer Science, Electrical/Electronic Engineering, or related fields
• Minimum 4–6 years of presales, solution architecture, or network engineering experience within an ISP, Telecommunications Provider, System Integrator, or Managed Service Provider (MSP)
• Deep technical mastery of Optical Transport Networks (OTN / ITU-T G.709 standards), Wavelength Division Multiplexing (C-band/L-band), and FlexGrid/Gridless ROADM architectures
• Practical expertise in 100G/400G/800G coherent optics (ZR/ZR+), optical link budget calculations, OSNR (Optical Signal-to-Noise Ratio), dispersion management, and non-linear optical effects
• Hands-on familiarity with optical protection schemes including 1+1 OLPS (Optical Line Protection Switch), ASON/GMPLS mesh restoration, and dark fibre/spectrum path design
• Proven track record designing high-capacity, sub-millisecond low-latency DCI topologies linking major Singapore carrier-neutral and hyperscale data centers (e.g., Equinix, Global Switch, Digital Realty, Singtel DC).
• In-depth knowledge of Layer 1/Layer 2 wire-speed optical encryption protocols (MACsec, Quantum-Safe / QKD integration) for ultra-secure data transport.
• Hands-on knowledge of high-density 100G/400G client handoffs, transponder/muxponder architectures, and DCI-specific overlay/underlay integration (e.g., EVPN-VXLAN over DWDM/OTN).
• Strong foundation in BGP-4, OSPF, MPLS (L2VPN / L3VPN / VPLS), Segment Routing (SR-MPLS / SRv6), and Metro-Ethernet (MEF 3.0 CE standards)
• Architecture experience with enterprise Wi-Fi (e.g., Cisco Meraki, Aruba, Ruckus), managed switching (L2/L3 stackable switches), Next-Gen Firewalls (Fortinet, Palo Alto), and SD-WAN platforms.
• Exceptional presentation, technical proposal writing, and consultative selling skills
• Strong problem-solving capability with a track record of translating business goals into resilient technical architecture