Senior Security Specialist (IT)

• Permanent, full-time opportunity.
• Flexible work arrangements to support work–life balance
• Excellent on-the-job learning and development opportunities

This role is open to applicants based Australia-wide, with working hours aligned to the Sydney team.

Serco is a place where you can grow

Join a team of 10,000+ professionals across Asia Pacific (APAC) and experience a place of challenge, opportunity, and reward.

We offer lots of headroom for you to grow and flexible benefits to suit you at every stage of your life and career, including:

• Ongoing learning, development, and certification support
• Inclusive, values-led workplace culture
• A role where your expertise protects people, places, and critical services
• Leadership that values trust, care, innovation, and pride
• Opportunities to work with complex, mission-critical environments

Make an impact at Serco

As a Senior Security Specialist (Cyber & Physical), you’ll play a critical role in protecting Serco’s people, assets, and digital environments across the ASPAC region. Reporting to the Director, Cyber Security & Risk, you’ll operate across cyber security operations and physical security platforms, supporting threat detection, incident response, vulnerability remediation, and compliance activities.

This is a hands-on, senior role where you’ll work across SIEM, endpoint protection, cloud security, access control, and CCTV platforms — partnering closely with GSOC, ICT teams, and business stakeholders to respond to incidents, uplift security maturity, and embed security-by-design principles across the organization.

As a Senior Security Specialist, you’ll make a positive impact by:

• Monitoring, analyzing, and responding to cyber and physical security alerts as well as L2 and L3 incident responses.
• Conducting root cause analysis and post-incident reviews for cyber events and physical alarms
• Administering and maintaining Gallagher Command Centre and CCTV systems
• Ensure compliance with ISO27001, PSPF, DISP and security policies
• Develop security patterns, playbooks and documentation
• Produce security reports, trend analysis and recommendations
• Participate in on-call roster duties

Serco is a place for you

You’ll be a great fit if you:

• Are a proactive team player who collaborates for shared success
• Are comfortable working autonomously in an agile environment
• Can adhere to established practices and KPIs
• Can demonstrate a learning mindset, resilience, emotional maturity, and self-awareness
• Have a strong drive to take on challenges and the ability to be trained in new areas

Technical Skills & Experience

• Experience across cyber security operations and physical security systems
• Hands-on expertise with Gallagher Command Centre and CCTV platforms
• Experience working with SIEM, firewalls, EDR/XDR, and vulnerability management tools
• Knowledge of Microsoft 365 Security & Compliance and Azure cloud security
• Understanding of access control principles, security zoning, and risk mitigation
• Relevant tertiary qualifications in Cybersecurity, IT, or a related field (or equivalent experience)
• Industry certifications such as CISSP, CISM, GCIH, GCFA, CEH, or Microsoft Security certifications (highly regarded).

Are you ready to do important work that really matters?

At Serco, we bring together the right people, the right technology, and the right partners to create impactful solutions that address some of the world’s most urgent and complex challenges.

We focus on serving governments all over the globe. The work we do has touched the lives of millions in Australia, New Zealand, and Hong Kong, and offers unique opportunities to leverage your skills across our core capabilities in Health, Defence, Maritime, Justice, Immigration, and Community Services.

We seek and celebrate diversity and encourage applications from all backgrounds and cultures. By joining Serco, you’ll have access to Employee Networks led by colleagues who are passionate about diversity, inclusion and belonging.

Impact a better future at Serco.