About us
Mantel is an Australian-owned IT Professional Services consultancy, focused on emerging technology to help advance our clients by leveraging AI, Digital, Cloud, Data & Security technology. We are a fully AI-enabled technology consultancy and the partner that bridges the gap between blue-sky ambition and practical steps to deliver value. Since our inception in November 2017, we have experienced remarkable growth across Australia & New Zealand and are honoured to be recognised as a Great Place to Work for 6 years in a row We hire smart and talented people and get out of their way. As a principle-based organisation, we have a flat structure with no hierarchy. By focusing on our five principles and not getting caught up in red tape, we trust you to get the job done. Working in our cybersecurity capability, you will work closely with clients across our teams. Mantel presents a cohesive, integrated cybersecurity capability, bringing together security specialists with our broader cloud, data, and digital teams. Our capabilities span governance, risk, and compliance (GRC), cyber engineering, and offensive security, enabling large-scale cyber security initiatives for our clients.

About the role
This position will include the delivery of advisory services to our Australian government and corporate clients. Whilst the position may cover a variety of GRC services, at its core, services that relate to the Information Security Manual (ISM), Protective Security Policy Framework (PSPF) and associated federal government security directives will feature. Importantly, this includes the completion of Info-Sec Registered Assessor Program (IRAP) assessments, as well as related advice. Your day-to-day:
• Lead / support the completion of IRAP assessments, ISM and PSPF implementation consulting, Essential Eight and related items to government customers, as well as providers to government.
• Lead / support client engagements to support compliance initiatives against frameworks such as APRA CPS 230 / 234, ISO 27001, Defence Security Principles Framework (DSPF), Defence Industry Security Program (DISP), ASD Essentials, NIST 800-171, NIST CSF, PCI DSS and SOC 2




• Lead / support supplier and vendor assurance reviews, security due diligence assessments, risk assessments, security strategy development, maturity assessments
• Support the ongoing maturation of Mantel's capability to deliver IRAP and related services to government and government customers, including delivery methodologies and collateral
• Support project teams across Mantel Group with large client engagements across digital, data and cloud domains.
• Use professional judgement while treating colleagues and clients with respect and compassion, and a demonstrated ability to display our Mantel principles What you’ll need to be successful:
• Current ASD IRAP Assessor Endorsement
- this is a must. We are looking for people who are able to deliver IRAP work immediately.
• Australian Government Security Clearance (current baseline required, active NV1 or NV2 preferred)
• Extensive knowledge as well as demonstrated experience in the application of the ISM
• Willingness to continually upskill; including learning recent technologies and obtaining new certifications
• Strong written & verbal communication skills, including strong stakeholder management and presentation skills
• Experience in successfully delivering projects
• Bring a positive can-do attitude to the team, with a problem solving orientation
• Hands-on experience implementing security solutions or in other operational aspects of security
• Extensive experience working in regulated environments
• Knowledge of IT Security solutions and best practices with experience in design and/or implementation of a variety of solutions and technologies Nice to have:
• Experience of the application of the ISM into cloud environments




• Demonstrated knowledge and experience in the application of security-relevant Australian government mandates and publications, such as the PSPF, DSPF, ASD Essentials.
• Experience in leading teams and multi-personnel and complex projects
• Other auditing experience (i.e. PCI or ISO certified auditor)
• Cloud certifications (i.e. CCSK or CCSP or Hyper-scaler specific certifications)
• Deep knowledge of compliance assurance and definition for security processes, including and not limited to SOC / ISO / APRA / PCI-DSS
• Development experience
• At Mantel, we want you to be yourself. We trust our team members to use their professional judgment while treating colleagues and clients with respect, compassion, and professionalism in alignment with our five principles.
• You take ownership, always stepping up to help and prioritising your teammates. You're also a clear, kind communicator who makes sound decisions based on good judgement. What you can expect from us:
• A true investment in your AI-first career. We are a fully AI-enabled consultancy and provide you with the tools to lead. This includes access to the Mantel AI Gateway, our secure, centralised platform with multiple AI models, plus a dedicated monthly budget and a safe environment to experiment and innovate.
• We support a flexible hybrid approach to working which is guided by our principles; we trust each other to “make good choices” about the best workplace locations for the requirements of the project, role and client. This can change based on our client needs.
• Our elite partnerships are a direct result of our deep platform mastery. For you, this means you'll be working alongside teams with the highest levels of technical expertise and tackling the most complex, high-profile projects on the market. Check out our partner awards and recognitions here.
• Mantel is a certified Family Inclusive Workplace, which means we are committed to improving your wellbeing at work through leading practices on flexible work, parental leave, family care and family wellbeing We value a diverse workplace and strongly encourage people from all backgrounds and minority groups to apply.

📌 Lead Cyber Security Consultant (Melbourne)
🏢 Mantel
📍 Melbourne