Technical Business Analyst Network Segmentation12-month contractUp to $****/day + SuperParramatta | Hybrid working arrangementWe are seeking a highly experienced Senior Technical Business Analyst to join a major network segmentation and cyber security transformation program.
This is a genuinely technical, hands-on BA position.
We are looking for a career Technical Business Analyst with deep network and security infrastructure experience who can work at a detailed level with Network and Security Architects and Engineers, while also engaging business and technical SMEs to identify application dependencies and translate these into precise network segmentation requirements.
Key responsibilitiesPerform detailed discovery and analysis of existing network connectivity and application dependenciesAnalyse raw network traffic information and translate findings into detailed connectivity matrices covering source/destination IPs, ports, protocols and required actionsDefine detailed requirements and rules supporting network segmentation and micro-segmentationWork closely with Network and Security Architects to challenge, validate and refine proposed technical solutionsEngage SMEs across diverse business, application, research,



facilities and OT environments to uncover detailed application and connectivity dependenciesSupport Data Centre and DMZ modernisation, including firewall routing, OoB management networks, load balancers, proxy uplift and IP address rationalisationSupport workload micro-segmentation and the development of granular host-based isolation policiesAnalyse requirements for campus network segmentation, including zoned network architectures, SD-WAN, VRFs, NAC and ACL hardeningSupport SASE/SSE and Zero Trust initiatives across ZTNA, SWG, CASB and DLPContribute to network observability uplift, including NTA, DPI and SNI capabilitiesProduce detailed technical requirements, process/traffic flows, traceability and supporting analysis throughout deliveryWhat's on offerInitial 12-month contractUp to $****/day + Super.Hybrid working model based in Parramatta.Prospect to contribute to a large-scale cyber transformation program with meaningful organisational impact.If you are an experienced Technical Business Analyst with Network Segmentation experience looking for a long term contract assignment, please apply NOW and you will be contacted for a further discussion if your profile is deemed a suitable fit.

📌 Technical Business Analyst - Cyber Security (Sydney)
🏢 Ethos Beath Chapman - Australia
📍 Sydney