Senior Security Engineer - Web Application Firewall, Telstra

Telstra

Location:
Australia

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

As a Senior Security Engineer focused on Web Application Firewall (WAF) capabilities, you will be involved in designing, building, and configuring Telstra’s WAF security platform to protect critical internal and customer-facing web applications. This is a high-impact opportunity to shape a new function within the security engineering group, contributing to Telstra’s broader mission to deliver secure, scalable, and innovative technology solutions.

Job Responsibility:

Lead the design, engineering, and technical support of Telstra’s WAF platforms
define and configure security controls and policies to protect web applications
collaborate with stakeholders across Telstra and external vendors to align on technical and business objectives
develop test applications and assist application owners with troubleshooting
conduct architecture reviews, configuration, and implementation of WAF solutions
evaluate WAF products and contribute to technology roadmaps and standards
drive operational readiness and lifecycle management of WAF platforms
provide engineering consulting and contribute to incident response planning with Cyber Security teams
act as the subject matter expert and technical lead for WAF within the team

Requirements:

5–10 years’ extensive experience in successfully deploying WAF Security (Akamai, Radware, Cloudflare, AWS, Azure, Imperva)
configured security policies for protecting different web and other applications
strong background in web application development and troubleshooting
proven experience with HTML, CSS, JavaScript, and various back-end languages like Python, Java, or Ruby
solid foundation and experience with deploying and configuring network infrastructure (Cisco, Juniper, Palo Alto, F5)
solid understanding of network routing and switching protocols (IP, TCP, UDP, SSL, HTTP, etc.)
proven ability to work independently and manage stakeholder relationships
experience collaborating in large enterprise environments and cross-functional teams
a mindset geared towards innovation, simplification, and continuous improvement
excellent communication and leadership skills, with the ability to guide and mentor others
Bachelor’s degree in Engineering or IT
certifications such as Cisco CCNP/CCIE, Juniper JNCIS/JNCIE, CISSP

Nice to have:

SQL or MongoDB
RESTful APIs and JSON

What we offer:

Performance-related pay
access to thousands of learning programs
global presence across 22 countries
opportunities to work where we do business
purchased annual leave scheme
additional Telstra day off
additional 30% off Telstra products and services
toolkit provided (laptop + mobile phone + plan paid for)

Additional Information:

Job Posted:
August 18, 2025

Expiration:
September 02, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Security Engineer - Web Application Firewall