Expression of Interest – Security Officers & Control Room Operators | Data Centres & Critical Infrastructure Challenger Security | Sydney, NSW | Premium Above-Market Hourly Rates Premium security opportunities. Critical environments. Exceptional people. Join Challenger Security's Growing Data Centre & Critical Infrastructure Team Challenger Security is an established Australian security services provider, delivering tailored security solutions across complex and demanding operational environments. As we continue to expand our presence in the data centre and critical infrastructure sectors across Sydney, we are seeking Expressions of Interest from experienced, professional, and motivated Security Officers interested in joining our growing team. These are not your everyday security roles. Working within highly secure, mission-critical environments, you will play an important role in protecting critical infrastructure, supporting operational continuity, and maintaining the highest standards of security, professionalism, and service delivery. We are looking for individuals who take pride in their work, demonstrate sound judgement, and understand the importance of operating in environments where security, confidentiality and attention to detail are essential About The Opportunities We are building a talent pool of suitably qualified Security Officers and Control Room Operators to support existing operations and the mobilisation of new data centre and critical infrastructure sites across Sydney. Depending on the site and operational requirements, responsibilities may include:
• Monitoring and controlling access to highly secure facilities, ensuring strict adherence to site security protocols.
• Conducting security patrols, inspections, and monitoring of sensitive operational areas.
• Operating and monitoring CCTV, access control, and other electronic security systems.
• Managing visitor, contractor, and personnel access in accordance with established security procedures.
• Identifying, responding to and escalating security incidents, risks, and unusual activity.
• Maintaining accurate security records, incident reports, and operational documentation.




• Supporting emergency response procedures and business continuity requirements.
• Working collaboratively with clients, site management, and fellow Security Officers to maintain a safe, secure, and professional environment. About You We are seeking security professionals who demonstrate integrity, reliability, and a strong commitment to operational excellence. Essential Requirements
• Current NSW Class 1A Security Licence (Unarmed Guard), with any additional licence subclasses required for the duties performed.
• A current First Aid Certificate, including CPR.
• Previous experience in security operations, ideally within data centres, critical infrastructure, government, defence, corporate or other high-security environments.
• Australian citizenship and the ability to be assessed as suitable to obtain and maintain, at minimum, an Australian Government Baseline security clearance, subject to applicable eligibility requirements.
• Strong communication skills, attention to detail and the ability to follow established security procedures.
• A professional approach, sound judgement, and the ability to remain calm and effective in challenging situations.
• The ability to work effectively both independently and as part of a team.
• A commitment to maintaining confidentiality, security protocols, and high standards of professional conduct.
• Availability to work across rotating rosters, including days, nights, weekends, and public holidays, depending on operational requirements. Highly Regarded
• An existing Australian Government Baseline or NV1 security clearance, with NV1 particularly desirable.
• Previous experience working within data centres or other mission-critical environments.
• A current NSW Class 1E Security Licence (Monitoring Centre Operator), where relevant to the duties of the position.




• Familiarity with personnel security requirements, access control procedures, and highly regulated environments.
• Experience working in 24/7 security operations.
• Experience working with access control security VMS systems such as Milestone and Genetic What's on Offer?
• Attractive hourly rates above market, recognising the specialist nature of these roles and the standards expected.
• Opportunities to work within some of Sydney's most sophisticated and security-sensitive environments.
• The opportunity to be part of a rapidly expanding national security portfolio.
• Skilled, structured working environments with a strong focus on operational standards and service excellence.
• Opportunities for ongoing development and career progression as our data centre and critical infrastructure operations continue to grow.
• The support of an established Australian security organisation that values professionalism, accountability, and the contribution of its people. Interested? We'd Like to Hear from You. Whether you are an experienced data centre Security Officer, currently working in a high-security environment or looking to take the next step in your security career, we encourage you to register your interest. Candidates who already hold an Australian Government Baseline or NV1 security clearance are particularly encouraged to apply. As part of the recruitment process, shortlisted candidates may be required to undergo additional background screening, suitability assessments, and security clearance processes relevant to the position. Register your interest today and be part of Challenger Security's next phase of growth across Sydney. Please note: This is an Expression of Interest for current and anticipated opportunities. Submission of an application does not guarantee an offer of employment. Appointments will be subject to operational requirements, relevant licensing, screening, and applicable security clearance requirements. Challenger Security is committed to providing an inclusive workplace and welcomes applications from suitably qualified candidates from diverse backgrounds.

📌 Expression of Interest – Security Officers (Sydney)
🏢 Challenger Security
📍 Sydney