Job Description
Senior Technical Business Analyst - Network Segmentation
We are seeking an experienced Senior Technical Business Analyst with significant experience in Network Segmentation to support a major, multi-year Cybersecurity Transformation Program.
Reporting to the Project Manager, this is a highly technical, hands‐on BA position suited to someone with a strong career background as a Technical Business Analyst within network, infrastructure, and security environments.
What You'd Be Doing
Perform detailed network discovery and map application and infrastructure dependencies.
Analyse raw network traffic logs and develop detailed connectivity matrices covering source/destination IPs, ports, protocols and firewall rules.
Work closely with Network and Security Architects to challenge, validate and translate technical requirements into workable solutions.
Engage with technical and non-technical SMEs to identify application dependencies and network segmentation requirements.
Support Data Centre, DMZ and network modernisation initiatives.
Define requirements for workload micro‐segmentation and host‐based isolation policies.
Support the transition from flat campus networks to secure, zoned network architectures.
Develop requirements supporting Zero Trust, SASE/SSE and cloud‐delivered security solutions.
What We're Looking For
You will be a dedicated Technical Business Analyst with strong hands‐on experience across network infrastructure and cybersecurity transformation.
Ideally, you will have experience with:
Network segmentation and micro‐segmentation
Firewall routing and network security
SD‐WAN, VRFs, NAC and network ACLs
Aruba ClearPass
SASE / SSE and Zero Trust Network Access (ZTNA)
Secure Web Gateway (SWG), CASB and DLP
Network Traffic Analysis (NTA)



and Deep Packet Inspection (DPI)
Data Centre and DMZ modernisation
Operational Technology (OT) security environments
Important
This is not a Project Manager, Delivery Manager, Scrum Master or high‐level coordination role.
We are specifically seeking a career Technical BA who is comfortable getting into the technical detail, analysing network data and working directly with architects and SMEs.
If you are an experienced Technical Business Analyst with strong network segmentation and cybersecurity experience, we would love to hear from you.
12‐Month Contract | Parramatta | Hybrid
We are seeking an experienced Senior Technical Business Analyst with significant experience in Network Segmentation to support a major, multi‐year Cybersecurity Transformation Program.
Reporting to the Project Manager, this is a highly technical, hands‐on BA position suited to someone with a solid career background as a Technical Business Analyst within network, infrastructure, and security environments.
What You'd Be Doing
Perform detailed network discovery and map application and infrastructure dependencies.
Analyse raw network traffic logs and develop detailed connectivity matrices covering source/destination IPs, ports, protocols and firewall rules.
Work closely with Network and Security Architects to challenge, validate and translate technical requirements into workable solutions.




Engage with technical and non-technical SMEs to identify application dependencies and network segmentation requirements.
Support Data Centre, DMZ and network modernisation initiatives.
Define requirements for workload micro‐segmentation and host‐based isolation policies.
Support the transition from flat campus networks to secure, zoned network architectures.
Develop requirements supporting Zero Trust, SASE/SSE and cloud‐delivered security solutions.
What We're Looking For
You will be a dedicated Technical Business Analyst with strong hands‐on experience across network infrastructure and cybersecurity transformation.
Ideally, you will have experience with:
Network segmentation and micro‐segmentation
Firewall routing and network security
Illumio or similar micro‐segmentation technologies
SD‐WAN, VRFs, NAC and network ACLs
Aruba ClearPass
SASE / SSE and Zero Trust Network Access (ZTNA)
Secure Web Gateway (SWG), CASB and DLP
Palo Alto firewalls
Network Traffic Analysis (NTA) and Deep Packet Inspection (DPI)
Data Centre and DMZ modernisation
Operational Technology (OT) security environments
Important
This is not a Project Manager, Delivery Manager, Scrum Master or high‐level coordination role.
We are specifically seeking a career Technical BA who is comfortable getting into the technical detail, analysing network data and working directly with architects and SMEs.
If you are an experienced Technical Business Analyst with strong network segmentation and cybersecurity experience, we would love to hear from you.
Desired Skills and Experience
SD‐WAN, VRFs, NAC and network ACLs
Aruba ClearPass
SASE / SSE and Zero Trust Network Access (ZTNA)
Secure Web Gateway (SWG), CASB and DLP
Palo Alto firewalls

📌 Senior Technical Business Analyst - Network Segmentation (Sydney)
🏢 Talent
📍 Sydney