F5 Developer

Showtime Consulting Pty Ltd; Sydney; Hybrid; AUD 160,000 - 230,000; Full time

Job summary

Showtime Consulting Pty Ltd in Sydney seeks a Senior F5 Network Security Engineer to design, implement, and support enterprise F5 application delivery and security platforms in high‑availability environments.

You will act as the primary F5 SME, leading deployments, upgrades, and security initiatives, while collaborating with architects, security teams, and application owners to ensure secure, scalable delivery. A strong background in BIG-IP, WAF, and SSL offload is essential.

Qualifications

• 8+ years in network security or infrastructure engineering.
• 5+ years designing and supporting F5 platforms.
• Strong knowledge of BIG-IP LTM, DNS/GTM, ASM.

Responsibilities

• Act as the primary F5 SME supporting enterprise F5 infrastructure environments.
• Design, configure, and maintain F5 application delivery and security platforms.
• Lead platform lifecycle activities including upgrades, migrations, patching, and technology refresh.
• Ensure platform availability, performance, scalability, reliability, and operational stability.
• Perform capacity planning, optimisation, and continuous improvement activities.
• Provide Level 3 support for complex application delivery and load balancing incidents.
• Troubleshoot and resolve critical platform, networking, and security-related issues.
• Conduct root cause analysis and implement long-term corrective actions.
• Participate in major incident management and service restoration activities.
• Contribute to architecture reviews, solution design workshops, and technical governance processes.

Skills

F5 BIG-IP

Network security

Application delivery

Cyber security

Education

Bachelor's degree in IT/CS

Tools

F5 iRules

F5 ASM

SSL offloading

Job description

Are you ready to be a part of a team that's redefining ultra-secure cloud solutions?

Join a team that’s shaping the future of cloud and cybersecurity.

At Showtime Consulting, we don’t just build ultra-secure cloud solutions—we enable organisations to thrive in the most challenging high-threat environments. If you’re truly passionate about innovation, security, and making a real impact, you’re in the right place.

We deliver security where it matters most—protecting national infrastructure, defence, and mission-critical operations. Our solutions are trusted by leading organisations, and our team is at the forefront of innovation in ultra-secure cloud and cross-domain security.

Our people are specialists in secure cloud, defence technology, and insider risk mitigation. We thrive in high-stakes environments, where cybersecurity isn’t just a requirement—it’s mission-critical. If you’re ready to contribute to industry-leading projects and grow in a company that values trust, innovation, and resilience, explore our open roles today.

Open Roles

We Are Always Looking For Talented Individuals.
Explore Our Current Opportunities And Find A Role That Matches Your Expertise.

F5 Developer

Sydney

Company Description
Showtime Consulting is a leading provider of Shielded Cloud and Digital Solutions across Australia and New Zealand. We specialise in delivering secure, enterprise-scale technology outcomes within highly regulated environments, supporting government, enterprise, telecommunications, and national security programs.

We partner with organisations undertaking large-scale digital transformation initiatives, providing the expertise required to design, secure, optimise, and operate critical technology platforms that underpin business-critical applications and services.

As our delivery footprint continues to grow, we are seeking an experienced Senior F5 Network Security Engineer to join a high-performing engineering team supporting complex enterprise environments.

The Role
We are seeking a highly experienced Senior F5 Network Security Engineer responsible for the design, implementation, optimisation, and operational support of enterprise F5 application delivery and security platforms.

This is a hands‑on engineering role requiring deep expertise across F5 BIG-IP technologies, application delivery networking, load balancing, web application security, and network infrastructure. You will act as the primary F5 Subject Matter Expert (SME), supporting large-scale production environments and providing technical leadership across operational support, project delivery, platform engineering, and security initiatives.

The successful candidate will work closely with architects, network engineers, security teams, application owners, and stakeholders to ensure highly available, secure, and scalable application delivery services across the organisation.

Key Responsibilities

• Act as the primary F5 Subject Matter Expert (SME) supporting enterprise F5 infrastructure environments.
• Design, implement, configure, and maintain F5 application delivery and security platforms.
• Lead platform lifecycle activities including upgrades, migrations, patching, and technology refresh initiatives.
• Ensure platform availability, performance, scalability, reliability, and operational stability.
• Perform capacity planning, optimisation, and continuous improvement activities.
• Provide Level 3 support for complex application delivery and load balancing incidents.
• Troubleshoot and resolve critical platform, networking, and security-related issues.
• Conduct root cause analysis and implement long-term corrective actions.
• Participate in major incident management and service restoration activities.
• Contribute to architecture reviews, solution design workshops, and technical governance processes.
• Review and validate technical designs against operational, security, and architectural standards.
• Lead F5 implementation activities across multiple projects and technology initiatives.
• Develop implementation plans, testing strategies, rollback procedures, and deployment documentation.
• Support application onboarding, release management, and production deployment activities.
• Implement and maintain F5 Advanced WAF security controls and secure application delivery services.
• Support audit, compliance, vulnerability remediation, and security improvement initiatives.
• Create and maintain technical documentation, operational procedures, standards, and support playbooks.
• Identify opportunities for automation, operational efficiency, and platform modernisation.

What You'll Need

• Minimum 8 years' experience across Network Security, Application Delivery, or Infrastructure Engineering environments.
• At least 5 years' hands‑on experience designing, implementing, and supporting F5 platforms.
• Strong expertise across F5 BIG-IP LTM (Local Traffic Manager) and F5 DNS/GTM technologies.
• Demonstrated experience with F5 Advanced WAF (ASM) and secure application delivery platforms.
• Strong understanding of SSL offloading, load balancing, traffic management, and application delivery networking.
• Experience developing and supporting F5 iRules and advanced traffic management configurations.
• Strong knowledge of high‑availability architectures, disaster recovery solutions, and business continuity practices.
• Expertise in certificate management, health monitoring, and application performance optimisation.
• Strong networking fundamentals including TCP/IP, Routing & Switching, BGP, OSPF, VLANs, NAT, DNS, and DHCP.
• Experience working with Web Application Firewalls, SSL/TLS technologies, and network security architectures.
• Proven experience delivering F5 deployments, migrations, upgrades, and transformation projects.
• Excellent troubleshooting, analytical, and problem‑solving skills.
• Strong stakeholder engagement, communication, and customer‑facing capabilities.
• Experience supporting business‑critical production environments with stringent availability requirements.

Desirable Experience

• Experience working within Telecommunications environments.
• Experience supporting large-scale enterprise infrastructure and mission‑critical services.
• Knowledge of Check Point, Palo Alto, Fortinet, or Cisco security platforms.
• Exposure to Azure and AWS networking and security services.
• Experience with Infrastructure as Code (IaC) and automation technologies.
• Knowledge of DevOps practices, CI/CD pipelines, and platform engineering methodologies.
• Understanding of Zero Trust Architecture and modern secure access principles.
• Experience integrating application delivery platforms with cloud-native environments.
• Exposure to enterprise security frameworks, compliance requirements, and governance controls.

Qualifications & Certifications

• Bachelor's degree in Information Technology, Computer Science, Network Engineering, Cyber Security, or a related discipline.
• F5 Certified Administrator (F5-CA), F5 Certified Technical Specialist (F5-CTS), or F5 Certified Solution Expert (F5-CSE) highly regarded.
• CCNP Enterprise or CCNP Security certifications desirable.
• CISSP certification advantageous.
• Azure Network Engineer Associate or equivalent cloud networking certifications highly regarded.
• Demonstrated experience delivering enterprise-scale networking, security, and application delivery solutions.
• Strong architectural thinking, technical leadership, and stakeholder management capabilities.
• A passion for delivering secure, scalable, and highly available technology solutions.

Why Join Showtime Consulting?

• Work on large-scale enterprise and government technology programs.
• Join a highly skilled engineering team delivering critical platforms and services.
• Exposure to modern networking, cloud, security, and platform engineering technologies.
• Opportunity to influence architecture, security, and technology direction.
• Competitive remuneration and career development opportunities.
• Collaborative, values‑driven culture focused on technical excellence and innovation.

We Are Always Looking For Top Talent In Cybersecurity, Cloud, And Defence Tech.

Build solutions that protect defence, national security, and enterprise clients.

At Showtime Consulting, We Hire And Develop The Best Minds In Cybersecurity.

Our Values Shape Everything We Do

Security

Essential for protecting sensitive information and ensuring the company's technology cannot be compromised.

Critical for building trust with stakeholders and maintaining ethical standards in all operations, especially in such sensitive sectors.

Necessary for staying ahead of technological advancements and threats, ensuring solutions are cutting‑edge and effective.

Demonstrates dedication to the mission, the safety and security of clients’ data, and the success of their operations.

Important for providing reliable and consistent service, which is crucial for defense and intelligence operations that depend on continuity and dependability.

Fuels the drive to excel, innovate, and overcome challenges. It's the emotional investment in the mission and the work, which can inspire teams and lead to exceptional outcomes.

Secure Your Cloud, Empower Your Mission with S.H.I.E.L.D

The power of ultra-secure cloud solutions tailored to your unique needs. Experience unmatched security, efficiency, and agility with Showtime Consulting's S.H.I.E.L.D framework.

Pioneers of SHIELDEDCloud Solutions
Protecting Operations in Hostile and Sensitive Environments