Senior Network Design Engineer – End-to-End Telecom Solutions

RMSI; New South Wales; On-site; AUD 120,000 - 180,000; Full time

Job summary

RMSI is seeking an experienced Network Designer to join our Network Design team in Australia. You will translate customer and internal requirements into end-to-end, buildable, cost-effective network designs across IP/MPLS, Transmission, Fibre, and Radio domains.

You will deliver design documentation, act as the technical contact through the order lifecycle, and collaborate with Planning, Provisioning, Build, and Project teams to ensure successful delivery of network services.

Qualifications

• 5–8+ years in telecom/service provider network design.
• Hands-on with vendor platforms: Cisco, Juniper, Nokia, Huawei.
• Cisco Routing & Switching expertise (IOS family).
• IP/MPLS knowledge: OSPF, IS-IS, BGP, LDP, RSVP-TE.
• DWDM/OTN/SDH transmission design.
• Fibre design: selection and loss budgeting.
• Diverse path design across cables and conduits.
• Radio transport design knowledge (microwave, 4G/5G).
• Voice transport design (TDM, SIP, VoIP).
• Experience with Netcracker, MapBlaster, VMR, DesignInvestigator, Spatial Web.

Responsibilities

• Receive orders from Planning; analyse requirements and feasibility.
• Produce end-to-end network designs that are buildable and cost-effective.
• Prepare design packs (HLD/LLD/schematics/BOM) for teams.
• Validate inventory, capacity, and route availability; raise augmentations.
• Document design trade-offs on cost, resilience, lead time.
• Ensure designs meet standards, SLAs, and diversity requirements.
• Peer review designs and present in reviews.
• Serve as the technical contact for orders throughout lifecycle.
• Investigate design issues during build; issue amendments.
• Maintain as-designed and as-built records.
• Contribute to process improvements; update templates/guidelines.
• Mentor junior designers and share knowledge on new tech.
• Comply with HSE policies and procedures.
• Support continuous improvement initiatives.

Skills

5–8+ years network design experience

Vendor platforms: Cisco

Vendor platforms: Juniper

Vendor platforms: Nokia

Vendor platforms: Huawei

IP/MPLS fundamentals

DWDM/OTN/SDH design

Fibre network design

Radio transport design

Voice transport design (TDM/SIP/VoIP)

Engineering systems knowledge (NetCr,

Education

Bachelor’s degree in Telecommunications/Electronics/CS or related engineering field

Tools

Netcracker

MapBlaster

VMR

DesignInvestigator

Spatial Web

Job description

RMSI is seeking an experienced Network Designer to join our Network Design team in Australia. You will translate customer and internal requirements into end-to-end, buildable, cost-effective network designs across IP/MPLS, Transmission, Fibre, and Radio domains.

You will deliver design documentation, act as the technical contact through the order lifecycle, and collaborate with Planning, Provisioning, Build, and Project teams to ensure successful delivery of network services.