Senior Systems Security Engineer

Paxus; Sydney; Hybrid; AUD 200,000 - 210,000; Full time

Benefits offered by this job

Hybrid working arrangement

Competitive salary

Permanent opportunity

Job summary

A leading tertiary institution in Sydney is seeking an experienced Senior Security Engineer to lead key cybersecurity initiatives. You will be responsible for managing Palo Alto Firewalls, implementing Okta identity management, and fostering a collaborative IT environment. The ideal candidate has strong skills in systems engineering, network security, and excellent communication abilities. This full-time position offers a competitive salary and supports hybrid working arrangements.

Qualifications

• Proven experience in systems and security engineering.
• Hands-on experience with Okta and other IAM technologies.
• Experience working with firewalls and network security strengthening.
• Strong understanding of Windows Server, AD, and Group Policy.
• Familiarity with network protocols, routing, and VPNs.
• Excellent documentation and communication skills.
• Self-sufficient, proactive, and solutions-focused.

Responsibilities

• Configure, maintain, and optimise Palo Alto Firewalls.
• Lead firewall-related implementations and network hardening.
• Deploy and manage Okta SSO and MFA solutions.
• Implement secure access controls and policies.
• Apply secure configuration principles across environments.
• Conduct Group Policy reviews and provide recommendations.
• Embed security-by-design in IT systems.
• Advise on network segmentation and authentication.

Skills

Systems engineering

Okta

Firewall configuration

Windows Server

Active Directory

Documentation

Communication

VPNs

Tools

Palo Alto Firewalls

Job description

A leading tertiary institution is seeking an experienced Senior Security Engineer to take ownership of key cybersecurity and infrastructure security initiatives. This role is ideal for a hands‑on professional with strong expertise in firewalls and Okta identity management, backed by a solid foundation in security‑focused systems engineering. You will join a collaborative IT environment where initiative, accountability and proactive problem‑solving are highly valued.

Key benefits of the role include:

• Permanent opportunity with a highly respected tertiary institution
• Hybrid working arrangement – WFH/Office
• Competitive base salary on offer

Key Responsibilities

• Configure, maintain and optimise Palo Alto Next‑Generation Firewalls, including application‑level rules and threat policies.
• Lead firewall‑related implementations and network hardening initiatives.
• Lead the deployment and ongoing management of Okta SSO and MFA solutions.
• Implement secure access controls, integrations and policies aligned to best practice.
• Apply secure configuration principles across Windows environments and Active Directory.
• Conduct Group Policy reviews and develop supporting recommendations/documentation.
• Embed security‑by‑design across infrastructure and systems work.
• Advise on secure configurations, network segmentation and authentication mechanisms.

To be successful, your CV should demonstrate the following:

• Proven experience in systems and security engineering.
• Hands‑on experience with Okta and possess knowledge of other IAM technologies.
• Experience working with firewalls configurations and network security strengthening (Experience with Palo Alto is beneficial but not essential).
• Strong understanding of Windows Server, AD and Group Policy.
• Familiarity with network protocols, routing and VPNs.
• Excellent documentation and communication skills.
• Self‑sufficient, proactive and solutions‑focused with strong security best practice awareness.

To be considered for the role click the ‘apply’ button or for more information about this and other opportunities please contact Aryan Eskandari via email [e-mail] and quote the above job reference number.

Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.

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Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Engineering and Information Technology – IT System Operations and Maintenance

Sydney, New South Wales, Australia – A$200,000.00–A$210,000.00