Senior Security Lead / Cyber Security Lead at Open

Melbourne, Victoria, Australia

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

NoVisa

Cybersecurity, Property TechnologyIndustries

Requirements

Ability to obtain and maintain a Negative Vetting level 1 security clearance (required)
Australian Government Negative Vetting Level 1 clearance (required)
Relevant tertiary qualifications or experience in IT, cybersecurity, or related field (mandatory)
Professional certifications (CISSP, CISM) (highly regarded)
Deep knowledge of security principles, practices, and technologies (EDR, SIEM, vulnerability management, incident response)
Experience with cybersecurity frameworks and standards (e.g., ISO 27001, ISM, SOC 2)
Strong understanding of network and cloud security (AWS, Azure), firewalls, IDS/IPS, and technical architecture
Collaborative mindset with the ability to work across teams and regions
Commitment to ongoing professional development

Responsibilities

Develop and maintain security policies and standards aligned to ISO27001 or other frameworks
Implement tools and procedures to achieve security and compliance objectives
Manage documentation, audits, corrective actions, and ISMS effectiveness
Monitor security events and alerts across systems and networks
Lead incident response activities and ensure response plans are tested and well performing
Identify, assess, and prioritise security risks and treatment plans
Ensure the security awareness training program is effective and consistently delivered
Design, configure, and maintain security tools (EDR, SIEM, content filtering, vulnerability scanners)
Oversee the day-to-day operations of the security function
Ensure effective implementation of security controls and maintain compliance with legal, regulatory, and internal security frameworks

Skills

Key technologies and capabilities for this role

ISO27001EDRSIEMvulnerability scannerscontent filteringincident responseCISSPCISMsecurity policiesrisk assessmentISMSsecurity awareness training

Questions & Answers

Common questions about this position

What benefits does Opteon offer?

Opteon provides a referral bonus, career development opportunities including leadership pathways and LinkedIn Learning, paid parental leave, novated leasing options, flexible working arrangements, onboarding and training, and rewards and recognition.

Is this a remote position or does it require office work?

Opteon offers flexible working arrangements that suit your lifestyle to support work-life balance.

What skills and qualifications are required for the Senior Security Lead role?

Requirements include the ability to obtain and maintain Australian Government Negative Vetting Level 1 clearance, relevant tertiary qualifications or experience in IT or cybersecurity, professional certifications like CISSP or CISM (highly regarded), deep knowledge of security technologies such as EDR and SIEM, experience with frameworks like ISO 27001, and understanding of network and cloud security.

What is the company culture like at Opteon?

Opteon invests in people through flexible work, mentoring, leadership pathways, a safety-first culture, and meaningful benefits, with a collaborative mindset encouraged across teams and regions.

What makes a strong candidate for this role?

A strong candidate will have Australian Government Negative Vetting Level 1 clearance, relevant IT/cybersecurity qualifications, certifications like CISSP or CISM, deep expertise in security tools and frameworks such as ISO 27001, and a collaborative approach with commitment to professional development.

Open

Mindfulness studio offering classes and workshops

About Open

Open is a mindfulness studio that focuses on improving mental and physical well-being through various services. It offers meditation, music, breathwork, and movement sessions to help clients become more aware and present. The studio caters to a wide range of individuals, from those new to mindfulness to seasoned practitioners. Open operates in the wellness market by providing both in-person and online classes, workshops, and memberships. Revenue comes from class fees, membership subscriptions, and special events. What sets Open apart from its competitors is its holistic approach, which combines different disciplines to create a well-rounded mindfulness experience.

Los Angeles, CaliforniaHeadquarters

2018Year Founded

$14MTotal Funding

SERIES_ACompany Stage

Education, HealthcareIndustries

51-200Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

Company Equity

Risks

Increased competition from new wellness firms like 4B challenges Open's market position.

Potential market saturation makes it difficult for Open to differentiate its offerings.

Economic downturns may reduce spending on wellness services, impacting Open's revenue.

Differentiation

Open offers a holistic approach integrating meditation, music, breathwork, and movement.

The studio caters to both beginners and experienced practitioners in mindfulness and wellness.

Open combines in-person and online classes, workshops, and memberships for a comprehensive experience.

Upsides

Open raised $9M in Series A funding, enhancing growth and service expansion.

Increased demand for online mindfulness classes due to COVID-19 boosts Open's digital offerings.

Corporate wellness programs focusing on mental health present new opportunities for Open.

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