Job Description We are seeking an experienced Network Designer to join our Network Design team.
In this role, you will translate customer and internal requirements into end-to-end, buildable, cost-effective, and standards-compliant network designs across IP/MPLS, Transmission, Fibre, and Radio domains.
You will produce high-quality design documentation, act as the technical point of contact throughout the order lifecycle, and collaborate closely with Planning, Provisioning, Build, and Project teams to ensure successful delivery of network services.
This role requires strong technical expertise across multiple network domains, excellent design judgement, and the ability to mentor junior designers.
• Receive customer and internal orders from the Planning team, analyse requirements, scope, and feasibility before commencing design • Produce end-to-end network designs that deliver buildable, cost-effective, and standards-compliant solutions • Prepare and issue comprehensive design packs (HLD, LLD, schematics, bill of materials, and configuration templates) to Provisioning, CAD, and Field teams within agreed SLAs • Validate network inventory, capacity, and route availability; raise augmentation requests where required • Make informed design trade-off decisions on cost, resilience, lead time, and infrastructure reuse, documenting rationale clearly • Ensure all designs meet engineering standards, customer SLA obligations, and diversity/resilience requirements • Conduct peer reviews of designs and present own designs in design review forums for approval • Serve as the technical point of contact for orders throughout their lifecycle, responding to queries from Provisioning, Build, CAD,



and Project Management teams • Investigate and resolve design-related issues during build or activation; issue design amendments as needed • Maintain accurate as-designed and as-built records in inventory and design systems • Contribute to continuous improvement by identifying recurring issues, proposing standard design patterns, and updating templates and guidelines • Mentor junior designers and share knowledge on new technologies, vendor platforms, and best practices • Comply with workplace Health, Safety, and Environment (HSE) policies and procedures at all times • Actively contribute to process improvement initiatives and suggest enhancements to workflows and best practices Undertake any other duties and activities as requested by the line manager or as required by business needs Requirements • Education: Bachelor's degree in Telecommunications, Electronics, Computer Science, or related engineering field • Experience: 5–8+ years of hands-on experience in network design within a telecom or service provider environment • Technical Skills: o Hands-on design experience with major vendor platforms (Cisco, Juniper, Nokia, or Huawei) o Solid expertise in Cisco Routing Switching (IOS, IOS-XE, IOS-XR, Catalyst, Nexus, ASR/NCS) o Solid knowledge of IP/MPLS technologies including OSPF, IS-IS, BGP, LDP, RSVP-TE, L2VPN/L3VPN,



and QoS o Transmission design experience across DWDM, OTN, and/or SDH (wavelength planning, link budgets, protection) o Fibre network design including fibre selection, ODF/FDH allocation, and optical loss budgeting o Diverse network design with true A/B path diversity across cables, joints, and conduits o Radio network design knowledge (microwave links, 4G/5G transport, fronthaul backhaul) o Experience with voice transport design (TDM, SIP, VoIP, IMS/VoLTE) o Working knowledge of engineering systems (Netcracker, MapBlaster, VMR, Design Investigator, Spatial Web) • Soft Skills: o Strong analytical and decision-making skills o Excellent communication and stakeholder management abilities o Ability to mentor and share knowledge effectively • Other Requirements: Experience working in onshore-offshore delivery models Requirements · 1 to 3 years of experience in planning, design and detailed documentation of communications' OSP networks · Understanding of networking concepts, IP addressing and Subnet Masking, Network Switches and Routers · Networking certifications such as CCNA/CCNP are highly preferable · Understanding of direct fiber access network that includes active and passive devices · Understanding of aerial, underground and intra-building designs standards of NBN will be an added advantage · Working experience on Optus database and systems such as Helix, Mapblaster, SpatialWeb, U****, etc. is preferable · Working experience on live spatial and non-spatial systems is highly preferable · Knowledge of GIS related platforms, systems and tools such as MapInfo and AutoCAD Map Good command over technical writing and documentation skills

📌 Network Design Engineers (Sydney)
🏢 Important Business
📍 Sydney