At Centorrino Technologies (CT), we're more than just tech—we're a community that goes beyond expectations.
We've been recognised as a Great Place to Work in ********* and one of the Best Places to Work Medium & Large Size in Australia for ****, with an outstanding eNPS score of 68.
And we're not stopping there.
We're on a mission to redefine the customer experience, and we need a passionate Senior Security Systems Engineer to join our Professional Services team in VIC, NSW or ACT.
The Senior Security Systems Engineer provides specialised technical and cyber expertise to uplift the security posture of Australian Government systems.
Operating as a subject matter expert within ASD's Cyber Security Remediation Program (CURP), the role is responsible for advising, designing, implementing, and remediating security controls across a range of technologies and security classifications (Official to Top Secret).
This position plays a critical part in supporting government entities to meet security standards, enhance cyber resilience, and align with ASD's Information Security Manual (ISM) and Essential Eight.
NV2 security clearance is a mandatory requirement for this role.
Requirements
What you'll do:
Provide expert advice and hands-on technical support to multiple Australian Government entities, strengthening security controls across diverse system environments.
Design, implement, and remediate security solutions in alignment with ASD's ISM, the Essential Eight, and other industry cyber security standards.
Develop and maintain technical documentation, including SOPs, change requests, design documents, and as-built/as-configured records.
Participate in and lead technical workshops focused on security engineering design, implementation, and remediation activities.
Develop and test prototype security configurations to support guidance and uplift activities.
Contribute to strategic security uplift initiatives across Microsoft, Linux/Unix, cloud, networking, and enterprise environments.
Support alignment of operational tasks with organisational goals, ensuring work programs contribute to broader Defence and ASD objectives.
Provide direction and clarity to team members, outlining work priorities, expected outcomes, and alignment with strategic objectives.
Work effectively in onsite, hybrid, or remote settings while maintaining high levels of independence and accountability.
What you'll bring:
Essential
Minimum 7 years' experience as a Systems Engineer, with capability across one or more of the following:
Microsoft Active Directory
Networking, gateway or software-defined networking
Cross Domain Solutions and data diodes
Sentinel or Splunk
Enterprise Linux/Unix (e.g., RHEL)
Cloud platforms (Azure, AWS, GCP, SaaS/PaaS/IaaS)
Complex Windows enterprise environments
Proven ability to work independently and collaboratively across hybrid or remote teams.
Strong written and verbal communication skills, including experience producing technical documentation, reports, and executive-level briefings.
Ability to provide leadership and direction to others, clearly articulating the purpose and importance of assigned tasks.
Demonstrated capacity to link operational work to larger organisational goals and security uplift outcomes.
Experience setting work tasks for others, aligning priorities with strategic objectives, and communicating expected deliverables.
Desirable:
Bachelor's degree in Information Technology or equivalent industry certifications.
Demonstrated experience identifying, implementing, and applying cyber security controls.
Ability to obtain or hold NV2 or TSPV security clearance (mandatory for the role).
Willingness to undergo ASD's Organisational Suitability Assessment (OSA).
Benefits
Why You'll Love Working Here:
Hybrid working (for majority of our roles) with team anchor days to support collaboration.
Extensive training and development opportunities that enable continual growth as part of your career planning.
Extensive discounts and benefits to maximise your money.
A choice of your IT equipment to maximise your success and access to cost-price tech for your personal needs.
Fun team events to celebrate achievements and connect with colleagues outside work as part of our engaging culture.
CT celebrates diversity and enables every voice to be heard as we drive to create the world we want.
Apply today and be part of a team that values innovation, inclusivity, variety and diverse backgrounds.
Note: A valid Vulnerable People / Working with Children Check (WWCC) and Police Check are required.
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