Cyber Security Operations Lead

Optus is an Australian telecommunications company, delivering more than 11 million services every day across mobile, broadband, and digital solutions.

We are seeking an experienced Cyber Security Operations Lead to join our Security Operations team. This role focuses on delivering advanced security management, monitoring, and support services to Optus Enterprise and its clients by providing tailored security solutions that meet client-specific requirements while supporting the broader Information Security Team in achieving strategic objectives.

This position combines leadership responsibilities with hands-on technical expertise across multiple cybersecurity domains. You will mentor and guide the team while actively working on automation, tuning, and optimisation of security tools and architecture.The ideal candidate will have a strong understanding of security concepts, proven experience across diverse technologies, and the ability to drive continuous improvement. You will also collaborate with product development teams to enhance security capabilities and contribute to strategic projects.

What You’ll Be Doing

• Lead and mentor Security Operations teams, fostering collaboration and continuous improvement.
• Suggest and implement enhancements to security architecture, configurations, and operational processes.
• Drive automation initiatives to streamline operations and reduce manual effort.
• Provide security expertise to product development teams during design and implementation phases.
• Integrate and optimise new security technologies within existing environments.
• Support compliance activities, audits, and client-specific security requirements.
• Develop and maintain detailed operational procedures and documentation.
• Collaborate with cross-functional teams to deliver security projects on time and within scope.

What Makes You Perfect for the Role

• 7+ years of experience in Cyber Security Operations with strong hands-on expertise in, SIEM platforms, Firewalls, IPS/IDS, SASE solutions, Web security proxies and Endpoint security technologies
• At least 2 years of proven leadership managing security teams, including mentoring and guiding technical professionals.
• Proven experience in automation (e.g., scripting, SOAR platforms) and tuning/optimising security tools.
• Strong understanding of security concepts, incident management frameworks, and operational best practices.
• Skilled in data analytics for actionable insights and reporting.
• Working knowledge of Windows and Linux operating systems, ensuring adaptability across environments.
• Excellent stakeholder engagement skills, combined with a proactive, detail-oriented approach and strong problem-solving capabilities.

Additional Requirements

• Must be an Australian Citizen.
• Eligible and willing to obtain Baseline Security Clearance (or higher).

Optus is a place where we let you do you. We offer a range of benefits including:

• Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
• Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
• Vibrant and collaborative office campus that includes cafes, convenience store, chill out zones, GP, post office, gym and on-site childcare centre.
• Competitive leave policies, including additional 'Connected’ days to focus on culture, family, health, community, or whatever’s important to you.
• We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
• Direct your own development and build future-ready skills with Optus U’s industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
• Build meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
• Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive.

If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email AccessibleRecruitment@optus.com.au or call 1800 309 170. We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity.