Senior Security Engineer (Fixed & Core Network Security)

Job Title

Senior Security Engineer (Fixed & Core Network Security)

Employment Details

Employment Type: Permanent
Closing Date: 23 July :59pm

Job Summary

As a Senior Security Engineer (Fixed & Core Network Security), you are an expert in Telecommunications, Transport & IP, Automation, Infrastructure as Code, DoSP, and/or Cyber Security. You apply your expertise in security technologies, standards, and policies to design, implement, operate, and continuously improve security capabilities across Telstra's Service Provider and Core Network environments. Working closely with Engineering, Operations, Architecture, Product, Cyber Security, and vendor teams, you embed security controls into network platforms, services, and change initiatives, ensuring risks are proactively identified, managed, and reduced. You contribute to security assurance, vulnerability management, compliance, automation, telemetry, and security uplift activities that strengthen the resilience of Telstra's critical network infrastructure. You play a key role in delivering Telstra's security strategy and protecting the confidentiality, integrity, and availability of Telstra's platforms, networks, applications, and services.

What We Offer

• Performance related pay
• Access to thousands of learning programs to level up
• Global presence across 22 countries with 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)

What You'll Do

• Define and operationalise appropriate security controls across networks and cloud platforms to protect Telstra and customer information, systems, and network assets
• Provide security design and architecture assurance input for network solutions, with a particular focus on Telstra's service provider, fixed and core network environments
• Provide input into the security strategy, standards and frameworks to ensure security controls and hygiene are built into network and cloud engineering designs and processes
• Work collaboratively with network engineering, operations, DevSecOps, and cyber security teams to ensure security requirements are understood and effectively implemented
• Engage with the business and leverage customer feedback to initiate continuous improvements in security engineering and technology designs that are fit for purpose and meet customer requirements
• Foster a culture of continuous improvement and coaching by modelling Telstra and best practice security engineering standards and actively developing less experienced engineers through coaching, mentoring and collaboration
• Demonstrate strong written and verbal communication skills in promoting security awareness and network or technology issues to leaders and stakeholders
• Deliver outcomes to a high standard by collaborating in security capability design, change implementation and support of platform, applications, services and product issues
• Contribute significantly to the design, build, installation, integration and maintenance of a variety of network technologies, platforms, applications, services, products and/or systems
• Document work to ensure that business continuity, security and operational activity can seamlessly be supported and maintained by others
• Actively enhance and improve CI/CD capabilities (testing, automation) to reduce cycle time while retaining quality
• Ensure solutions are reusable, scalable, reliable, manageable and operable, aligning with Telstra technology strategic directions and meeting specific OKRs
• Assess capability of vendor solutions and offerings to meet business requirements
• Take an active role in managing vendor performance and technology delivery to ensure agreed technical functionality, time and cost outcomes are met

About You

• General knowledge and experience with security engineering related to Fixed, Transport & IP Networks, DoSP and/or DevSecOps
• Understanding of traditional Network and Cloud native security components (e.g., firewalls, proxies, WAF, identity and access management, threat prevention, vulnerability management, secure external access, secrets management, PKI/RPKI, PAM, SIEM logging and monitoring, IDS/IPS, DoSP, Infrastructure As Code, Micro Segmentation, Zero Trust architecture)
• Technical skills across TCP/IP Routing, SDN and virtualised networking, Radio Access Networks, LINUX, Docker, Kubernetes or Application Security
• Ability to work with DevSecOps, Networks and Cloud Security teams on CI/CD and orchestration security for virtual and containerised network functions and applications
• Familiar with Agile tools and methodologies
• Familiar with Industry Security Frameworks, Standards and Guidelines including SOCI, CIS & NIST
• Excellent interpersonal skills to collaborate with other Network, Security and Cloud SMEs and coordinate with external groups for security engagements and integrations with external systems
• Team player who thrives in a great team culture

EEO Statement

We strongly encourage women and gender diverse people to apply and welcome flexible working arrangements and accommodations throughout the recruitment process.