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