Job Description
Frogfoot is seeking a Core Engineer to join the Engineering team.
Purpose of the Role
As a Core Engineer at Frogfoot, you'll play a key role in designing, operating, maintaining, and optimising our national carrier-grade core network. You'll ensure the stability, performance, and availability of our IP and optical transmission infrastructure while supporting the delivery of reliable, high-quality connectivity to our customers.
Working closely with internal teams, vendors, and service providers, you'll contribute to network growth, continuous improvement initiatives, and technical projects that enable Frogfoot to deliver world-class fibre connectivity and carrier solutions.
What You'll Be Responsible For
Network Operations & Engineering
Design, implement and maintain carrier-grade IP and optical transmission networks.
Configure, commission and support core network infrastructure.
Perform network capacity planning and optimisation to ensure network scalability.
Maintain network availability and proactively identify potential risks.
Service Delivery
Provision, commission and maintain services on the transmission, IP Core and IPT networks.
Support customer service activation and complex technical implementations.
Evaluate technical solution requirements for bespoke customer requirements.
Fault Management
Investigate, troubleshoot and resolve complex network faults, in the event of escalations to the Core team.
Assist with providing technical inputs for root cause analysis following major incidents.
Escalate and coordinate technical issues with vendors where required.
Participate in major incident response and restoration activities.
Network Optimisation
Continuously improve network performance and resilience.
Recommend infrastructure upgrades and design improvements.
Maintain best practices for managing vulnerability and risk associated with network device firmware, system versions, and remote access to network devices through approved access authorization solutions.
Implement network enhancements through approved change management processes.
Technical Documentation
Produce and maintain accurate network documentation.
Update network diagrams, topology maps and operational procedures.
Document technical solutions and standard operating procedures.
Project Implementation
Lead network expansion, standardization and optimization projects.
Participate in technology evaluations and proof of concepts.
Support vendor integration and equipment commissioning.
Collaboration
Work closely with NOC, Field Operations, Service Delivery and Product teams.
Provide technical expertise and guidance to Product team on new product development initiatives.
Engage with vendors and third-party service providers.
Provide technical guidance, internal training and mentorship where required.
What You'll Need to Have
Qualifications
Degree, Diploma or National Certificate in Information Technology, Computer Networks, Electronic Engineering or a related field.
Relevant networking certifications will be advantageous (e.g. JNCIA/JNCIP, CCNA/CCNP, MEF, Nokia, Ciena or equivalent).
Experience
5+ years' experience within a carrier, ISP or telecommunications environment.
Experience supporting carrier-grade IP and transmission networks.
Proven experience working within a Core Network Engineering environment.
Technical Knowledge
You'll have strong working knowledge of:
Layer 1 fibre characteristics, testing and best practices.
DWDM and optical transmission technologies.
Switching and routing.
MPLS, Segment Routing (SR-MPLS), VPLS and EVPN.
VLAN, QinQ and VXLAN.
MEF service provisioning.
Optical budgets and transmission planning.
Carrier network design (OSI Layers 1 - 3).
Network monitoring and element management systems.
Capacity planning and optimisation.
Network change management.
Advanced fault finding and root cause analysis.
Vendor technologies including:
ADVA / Adtran
Juniper
Ciena
Extreme Networks
MikroTik
Calix
Accedian
Nokia (advantageous)
Automation and scripting experience will be advantageous.
Skills That Will Help You Succeed
Excellent troubleshooting and analytical skills.
Strong networking and engineering capability.
Critical thinking and sound technical judgement.
Effective planning and prioritisation.
Excellent written and verbal communication.
Strong documentation skills.
Experience using ticketing systems.
Network diagramming using Visio, Lucidchart or Draw.io
Ability to manage multiple priorities.
Strong customer service mindset.
Ability to work independently while collaborating across teams.
Qualities We Value at Frogfoot
At Frogfoot, we look for people who are:
Customer-focused and committed to delivering exceptional service.
Curious and always looking for smarter ways to solve problems.
Collaborative and supportive team players.
Accountable for delivering quality outcomes.
Adaptable in a fast-paced and evolving environment.
Proactive in identifying opportunities for improvement.
Passionate about technology and continuous learning.
Honest, respectful and committed to doing the right thing.
How Success Is Measured
Success in this role will be measured by your ability to:
Maintain high core network availability and reliability.
Meet network uptime and service availability targets.
Resolve incidents within agreed SLA timeframes.
Successfully deliver planned network changes with minimal service impact.
Improve network performance and capacity through optimisation initiatives.
Produce accurate and up-to-date technical documentation.
Deliver projects and implementations within agreed timelines and budgets.
Reduce recurring network incidents through proactive improvements.
Build effective working relationships with internal stakeholders, customers and vendors.
Demonstrate continuous technical growth and contribute to operational excellence.
Closing Date 21 August 2026