Senior Technical BA - Cyber Security & Network Segmentation

Hydrogen Uk Ltd; Sydney; Hybrid; AUD 176,000 - 230,000; Full time

Benefits offered by this job

Hybrid work model

12-month contract

Competitive daily rate

Job summary

Shift is seeking a highly experienced Senior Technical Business Analyst to join a major network segmentation and cyber security transformation program. This hands-on BA role requires deep network and security infrastructure expertise and collaboration with Network/Security Architects and SMEs.

The position is a 12-month contract with a Hybrid work model based in Parramatta. You will translate complex dependencies into precise segmentation requirements and contribute to a large-scale cyber

Qualifications

• Deep network and security infrastructure experience.
• Hands-on BA with ability to translate dependencies into network segmentation requirements.
• Experience collaborating with Network/Security Architects and SMEs.

Responsibilities

• Perform detailed discovery and analysis of network connectivity and application dependencies.
• Analyse raw network traffic and translate into connectivity matrices (source/destination IPs, ports, protocols).
• Define detailed requirements for network segmentation and micro-segmentation.
• Collaborate with Network and Security Architects to validate proposed solutions.
• Engage SMEs across business, applications, facilities and OT to uncover dependencies.
• Support Data Centre and DMZ modernization including firewall routing and IP rationalisation.
• Support workload micro-segmentation and host-based isolation policies.
• Analyse campus network segmentation including SD‑WAN, VRFs, NAC and ACL hardening.
• Support SASE/SSE and Zero Trust initiatives across ZTNA, SWG, CASB, DLP.
• Contribute to network observability with NTA, DPI and SNI capabilities.
• Produce detailed requirements, process/traffic flows and traceability throughout delivery.

Skills

Network analysis

Security architecture

Stakeholder engagement

Requirements gathering

Education

Bachelor's degree in Computer Science

Tools

Firewall rules

SD-WAN

NTA

DPI

Job description

Shift is seeking a highly experienced Senior Technical Business Analyst to join a major network segmentation and cyber security transformation program. This hands-on BA role requires deep network and security infrastructure expertise and collaboration with Network/Security Architects and SMEs.

The position is a 12-month contract with a Hybrid work model based in Parramatta. You will translate complex dependencies into precise segmentation requirements and contribute to a large-scale cyber