Top Cyber Security Jobs in Sydney

Lead security governance and assurance activities to ensure DISP and protective security compliance. Manage assurance calendar, conduct audits, assess and track risks, develop policies and reporting tools, uplift security maturity, and support Defence stakeholder reporting.

Join the Cyber Security Operations Centre to perform log and alert analysis, threat hunting, incident investigation and response. Tune and uplift security controls (IPS, email gateways, EDR, SIEM), improve processes and tooling, and support secure evolution of M365 and cloud environments. Work standard business hours on proactive defensive activities with mentorship and development opportunities.

Enforce the Ship Security Plan and support the Ship Security Officer: conduct security assessments and inspections, manage access control and screening (X-ray, metal detectors), lead security team and drills, investigate incidents, maintain security equipment and filing, coordinate with port authorities, and respond as first responder/active assailant team leader.

Support threat intelligence, incident analysis/response, penetration test coordination, vulnerability scanning and remediation tracking, security tool administration, dashboard maintenance, and adherence to security policies while learning and developing cybersecurity skills.

Deployable Emergency Response Team member providing humanitarian access, safety and security expertise during emergencies (65% deployment). Lead risk analysis, access and security strategies, stakeholder negotiations, incident reporting and communications setup. Deliver trainings, support incident management, advise program design and ensure handover and partner capacity-building.

Lead and own the information security program and security engineering at NEAR Foundation. Drive SOC 2 Type 2 and ISO 27001 readiness, run logging/monitoring/incident response, manage vulnerability and third-party risk, harden identity/access/endpoint stacks, automate security and compliance across SaaS, and advise on tooling and cloud security (AWS/GCP).

Designs and implements security, access control, and CCTV systems; performs software testing and troubleshooting; provides technical input for bids; supports project delivery, safety compliance, and mentors junior staff.

Secure Aptos core infrastructure and products via design reviews, code audits, penetration tests; build security tools and mitigations; define secure operational practices; advise engineers; and triage bug bounty reports.

Perform protocol-focused security research to prevent vulnerabilities on Ethereum mainnet. Tasks include AI-assisted analysis, fuzzing, manual review, reviewing hardforks and spec changes, improving security tooling and automation, coordinating disclosures, and supporting audits and audit competitions while collaborating with devops, specifications authors, and client implementers.

Design, implement, and manage security solutions; create and enforce security policies; perform penetration testing, purple teaming, and threat modeling; monitor and respond to incidents; build security automation and integrate DevSecOps practices across engineering teams; advise on blockchain and crypto platform security.

Define and execute the product roadmap for AI-driven on-chain monitoring tools. Collaborate with cross-functional teams, analyze market and customer feedback, ensure timely delivery of features, and communicate roadmap progress to stakeholders to improve blockchain security offerings.

Lead security architecture for AMP's cloud, data and AI platforms across AWS and Azure. Embed Secure-by-Design practices, define reusable security patterns, select controls, and advise engineering and business leaders to ensure secure, scalable, and regulatory-aligned solutions.

Perform information security and risk activities including implementing and enforcing security controls, incident response, threat management, vulnerability scanning, malware management, intrusion detection, risk assessments, and backup/disaster recovery planning. Work on moderate-scope projects with general guidance and apply judgment within defined parameters.

Provide access control, patrols, CCTV and alarm monitoring, incident response, and shift documentation while delivering customer service and ensuring compliance with site security protocols in government and high-security environments.

Provide on-site security presence at AGL Macquarie power station: conduct foot patrols, escort staff and contractors, secure property, direct visitors, write incident reports, and communicate with stakeholders.

Provide security services at RAAF Williamtown, supporting defence security operations. Maintain a safe environment for personnel, contractors and visitors via access control, patrols, incident reporting, and liaison with Defence staff. Participate in training and follow established policies and procedures.

Provide access control, foot patrols, incident response, and reporting to protect Defence personnel, assets, and infrastructure at Garden Island. Maintain professionalism, situational awareness, and compliance with Defence security procedures.

Lead and supervise a team of ~15–25 security officers, oversee daily operations and a National Control Room, ensure compliance with policies, respond to incidents, conduct patrols and quality checks, complete incident reports, and maintain client relationships while promoting a professional, safety-focused team culture.

Provide onsite security at Defence bases including access control, foot patrols, incident response, compliance monitoring, stakeholder liaison, and accurate reporting. Employer supports training, security licence course, and clearance sponsorship.

Provide professional security coverage across four Defence sites in Western Sydney, protecting critical infrastructure. Work as a reliever across sites, interact with Defence personnel, follow clearance and licensing requirements, and maintain high standards of integrity, communication, and situational calm.

Supervise day-to-day security operations for a shopping centre portfolio, respond to incidents and emergencies, monitor CCTV/alarms/access control, liaise with stakeholders, report hazards, and maintain records and safety procedures.

Provide full-time security services at a major industrial site, rotating between control room, gatehouse, rapid response patrols, CCTV/alarm monitoring, incident response, patrols, and customer engagement. Respond to emergencies, complete reports, and maintain professional presentation while working a rotating roster.

Provide visible professional security presence at a high-profile government site. Conduct internal/external patrols, monitor CCTV and access control, respond to incidents, complete incident reports, assist staff/visitors, liaise with stakeholders and emergency services, support team operations, and ensure compliance with site security procedures.

Define and own cloud security product vision and roadmap; embed security into cloud-native architectures and CI/CD pipelines; design security controls across Azure/AWS/GCP; drive DevSecOps, IaC automation, threat modelling, compliance, incident response, and stakeholder alignment to deliver measurable security outcomes.

Lead enterprise vulnerability management and internal penetration testing across infrastructure, web, API and cloud environments. Architect and operate scanning infrastructure and automation, develop security tooling and integrations, prioritize remediation with risk context, and evaluate AI-driven approaches to enhance detection and assessment. Contribute to process and policy improvements and participate in global Cyber Defense Centre activities.