Network Design Engineers

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

We are seeking an experienced NetworkDesigner to join our Network Design team. In this role, you will translatecustomer 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 designdocumentation, act as the technical point of contact throughout the orderlifecycle, and collaborate closely with Planning, Provisioning, Build, andProject teams to ensure successful delivery of network services.

This role requiresstrong technical expertise across multiple network domains, excellent designjudgement, and the ability to mentor junior designers.

• Receivecustomer and internal orders from the Planning team, analyse requirements,scope, and feasibility before commencing design
• Produceend-to-end network designs that deliver buildable, cost-effective, andstandards-compliant solutions
• Prepareand issue comprehensive design packs (HLD, LLD, schematics, bill of materials,and configuration templates) to Provisioning, CAD, and Field teams withinagreed SLAs
• Validatenetwork inventory, capacity, and route availability; raise augmentationrequests where required
• Makeinformed design trade-off decisions on cost, resilience, lead time, andinfrastructure reuse, documenting rationale clearly
• Ensureall designs meet engineering standards, customer SLA obligations, anddiversity/resilience requirements
• Conductpeer reviews of designs and present own designs in design review forums forapproval
• Serveas the technical point of contact for orders throughout their lifecycle,responding to queries from Provisioning, Build, CAD, and Project Managementteams
• Investigateand resolve design-related issues during build or activation; issue designamendments as needed
• Maintainaccurate as-designed and as-built records in inventory and design systems
• Contributeto continuous improvement by identifying recurring issues, proposing standarddesign patterns, and updating templates and guidelines
• Mentorjunior designers and share knowledge on new technologies, vendor platforms, andbest practices
• Comply with workplaceHealth, Safety, and Environment (HSE) policies and procedures at all times
• Actively contribute toprocess improvement initiatives and suggest enhancements to workflows and bestpractices

Undertake any other dutiesand activities as requested by the line manager or as required by businessneeds

Requirements

• Education:Bachelor’s degree in Telecommunications, Electronics, Computer Science, orrelated engineering field
• Experience:5–8+ years of hands-on experience in network design within a telecom or serviceprovider environment
• TechnicalSkills:
  • Hands-ondesign experience with major vendor platforms (Cisco, Juniper, Nokia, orHuawei)
  • Strongexpertise in Cisco Routing & Switching (IOS, IOS-XE, IOS-XR, Catalyst,Nexus, ASR/NCS)
  • Solidknowledge of IP/MPLS technologies including OSPF, IS-IS, BGP, LDP, RSVP-TE,L2VPN/L3VPN, and QoS
  • Transmissiondesign experience across DWDM, OTN, and/or SDH (wavelength planning, linkbudgets, protection)
  • Fibrenetwork design including fibre selection, ODF/FDH allocation, and optical lossbudgeting
  • Diversenetwork design with true A/B path diversity across cables, joints, and conduits
  • Radionetwork design knowledge (microwave links, 4G/5G transport, fronthaul &backhaul)
  • Experiencewith voice transport design (TDM, SIP, VoIP, IMS/VoLTE)
  • Workingknowledge of engineering systems (Netcracker, MapBlaster, VMR, DesignInvestigator, Spatial Web)
• SoftSkills:
  • Stronganalytical and decision-making skills
  • Excellentcommunication and stakeholder management abilities
  • Abilityto mentor and share knowledge effectively
• OtherRequirements:
  • Experience working inonshore-offshore delivery models