It Security Infrastructure Specialist

Tech Aalto Pte Ltd; Melbourne; On-site; AUD 140,000 - 190,000; Full time

Job summary

Tech Aalto Pte Ltd in Melbourne seeks an IT Security Infrastructure Specialist to design, deploy, and support enterprise-grade security systems. You will lead firewall and WAF management across Checkpoint, F5, AWS, and Azure, while advancing cloud-native security and automation initiatives.

The role requires 5+ years in enterprise IT security, strong networking and cloud skills, and relevant certifications. A strong focus on incident management and SDLC is essential for success.

Qualifications

• 5+ years of IT security experience in large enterprise environments.
• Deploying and supporting infrastructure and apps on AWS/Azure/GCP.
• Experience with firewall policy management tools such as AlgoSec.
• Bachelor's degree in IT/CS or related field; professional certifications expected.
• Cloud certifications (AWS/Azure/GCP) and security accreditations preferred.

Responsibilities

• Plan, build, and run IT security infrastructure across technologies.
• Manage and maintain enterprise firewalls (Checkpoint, F5, AWS, Azure).
• Administer Akamai WAF policies and controls.
• Oversee enterprise networking, including NLBs and protocols.
• Support cloud-native firewall solutions across AWS, Azure, and GCP.
• Utilize AlgoSec or equivalent firewall policy tools effectively.
• Identify opportunities for automation to improve efficiency.
• Apply enterprise-level problem, change, and incident management.
• Demonstrate proficiency in programming, system design, IT infra, and database concepts.
• Maintain robust understanding of IT security principles and SDLC.

Skills

Security infra

Networking

Cloud security

Automation

Incident mgmt

Education

Bachelor's degree in IT/CS

CISM

CISSP

AWS/Azure/GCP certs

Tools

AlgoSec

Checkpoint

F5

Akamai WAF

AWS

Azure

GCP

Job description

IT Security Infrastructure Specialist

Job Description

We are seeking an experienced IT Security Infrastructure Specialist to provide specialized technical support, expert advice, and subject matter expertise for IT security systems and services. The ideal candidate will demonstrate broad and in-depth knowledge of IT security infrastructure implementation, management, operations, and solution delivery, shaping and delivering sound technical outcomes.

Key Responsibilities

• Provide expertise in planning, building, and running IT security infrastructure across various technologies.
• Manage, configure, and maintain enterprise-level firewalls (e.g., Checkpoint, F5, AWS, and Azure-native firewalls).
• Administer and update Akamai WAF policies.
• Oversee enterprise networking, including communication protocols, address translations, and network load balancers (NLBs).
• Support and manage cloud-native firewall solutions and technologies across AWS, Azure, and Google Cloud.
• Utilize tools like AlgoSec or equivalent firewall policy management solutions effectively.
• Identify opportunities for automation to improve efficiency and ensure "always-on" performance.
• Apply strong enterprise-level problem, change, and incident management methodologies.
• Demonstrate technical proficiency in programming, system design, IT infrastructure, and database concepts.
• Maintain a robust understanding of IT security principles and the software development lifecycle.

Core Skills & Capabilities

• Advanced technical expertise in infrastructure and security technologies.
• Proficiency with networking protocols and enterprise-level communications.
• Hands-on experience in cloud-native security technologies and associated tools.
• Strong understanding of automation frameworks and tools.
• Experience in enterprise IT problem-solving and incident management.

Qualifications

• Bachelor's degree in IT, Computer Science, or related field.
• Relevant IT security certifications (e.g., CISM, CISSP).
• Cloud certifications, such as:
  • AWS Certified Solutions Architect (Associate)
  • AWS Certified SysOps Administrator (Associate)
  • AWS Certified Developer (Associate)

Critical Experience Requirements

• 5+ years of IT security experience in large enterprise environments (10,000+ users across multiple geographies).
• Proven track record in deploying and supporting infrastructure and applications on AWS, Azure, or Google Cloud platforms.
• Experience with firewall policy management tools such as AlgoSec.
• Demonstrated ability to scope, shape, and deliver IT security solutions.

Preferred Experience

• Experience in enterprise-level IT security within geographically diverse environments.
• Strong knowledge of WAF, NLB, and cloud-based networking technologies.
• In-depth understanding of automation in IT security processes.

Confidentiality is assured, and only shortlisted candidates will be notified for interviews.