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    Downer is listed on the Australian Securities Exchange and the New Zealand Exchange, and employs more than 26,000 people.

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    Downer is the leading provider of integrated infrastructure services across Australia and New Zealand.

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Home > Defence Security Services

Defence Security Services

Downer Security is Australia’s leading sovereign security provider. We protect critical systems and infrastructure across a range of industries, supporting clients through realisation of risk managed outcomes which improve safety, protect information and assets, and deliver high-quality operational performance through sophisticated systems, technologies, and operating procedures.

As a proven and trusted partner across metropolitan, regional and remote locations across Australia and New Zealand, we offer a full-service, integrated delivery structure via a strong in-house capability that ensures close alignment and interoperability with other facility services.

 

Integrating guarding & electronic security to deliver end-to-end security for Australia’s most critical assets

Our focus is to deliver customised solutions that directly address our client’s security requirements to deter, detect, and respond to a range of security risks, offering an enhanced level of protection that more effectively addresses prevention leveraging technology and electronic solutions. This end-to-end offering is proactive, integrating guarding services with the leading-edge threat monitoring technologies, dynamic risk management and electronic security measures.  More specifically, it includes:

  • Static guarding and screening, mobile patrols and traffic control
  • Threat detection (including the use of AI solutions)
  • Alarm and CCTV monitoring and maintenance
  • Advanced data analytics and automation
  • Asset protection 
  • Digital security, secure communication networks and insider threat detection
  • Cyber security design, architecture and management
  • Emergency and critical incident and surge response and support 
  • Maritime services including port and bulk liquid berth security operations, and water-based security patrols
  • Access control and security card (including MISC) management
  • Zone 5 and SCIF delivery

Specialist capability

Downer Security leverages the broader Downer Group’s specialist advisory and digital services capability, developed through support of the critical infrastructure and national security sectors over many decades. These capabilities enhance the effectiveness of our front-line physical security teams, leading to better security outcomes for clients through an integrated delivery model that removes silos, minimises interface risk, and improves decision-making. The Downer Group companies that form our security capability include:

  • Downer Professional Services: an advisory consultancy for the national security sector with experience providing support and advice to National Security Agencies, Defence, Intelligence, and law enforcement clients, through key SME and veteran-owned enterprise partners offering program assurance, project management services, strategy and planning, information security and systems engineering services
  • Next Generation Technologies (NGT): security and communications provider of network and IT engineering, CCTV, wireless networks, fibre optic installation, video analytics, systems testing, and project support of complex integration and installations
  • xDNA: Specialists in machine learning, automation (robotics and robotic process automation), augmented reality, data integration, protected cloud hosting and mission critical applications underpinned by agile delivery collaborative ecosystems for complex services-based businesses that drive faster cycle times to deliver operational value

Enhanced security technologies

At Downer Security, we see a growing infusion of existing and emerging technologies that improve operational efficiency and enhance overall security outcomes. We offer greater service transparency, real-time monitoring and tracking, system integration and increased service assurance that not only enhances the experience and safety of our clients but captures data to support advanced threat detection.

Downer Security has partnered with world-leading security system vendors with a proven record of supporting national security and critical infrastructure client. 

The technology landscape is ever evolving, and our vendor-enabled approach is focused on industry leading solutions that provide value for money. We achieve this edge by capturing and exploiting rich information and data to enhance our security offering for our clients.

This systems approach is enabled through our close partnership with third party industry leading and global partners as well as our own internal business teams, ensuring that we are at the forefront of emerging solutions that best prevent or respond to threats. These tailored solutions can significantly enhance operational security integrity and ensures end-to-end resilience between people, property and technology.

Downer Security prides itself on providing customised and integrated security solutions that meet the critical, risk-assessed needs of our clients. We are committed to delivering high-quality security services and ensuring that our clients’ operational needs are met, in a managed risk environment and work closely with our client teams to ensure tight alignment to the relevant Commonwealth Standards, Policies, and Instructions as wells as industry codes and standards. Our operations are regularly audited, and we are a member of the Australian Security Industry Association Limited (ASIAL).

Transparent partnerships with our clients have been the foundation of our success  

Case studies

HQJOC Security Case Study

Defence Security Servicesdownermaryam2026-02-17T04:05:18+11:00
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