Senior Network Security Engineer

• Work with industry-leading network security technologies in a complex, always-on environment where your expertise contributes to secure, resilient and high-performing network services
• Fixed term contract
• Brisbane, Canberra, Melbourne or Sydney

Summary

Join Airservices Australia's Network & Telecommunications Platform (NTP) team as a Senior Network Security Engineer, where you'll apply your expertise to support, secure and enhance critical network infrastructure. Working across network security design, implementation, operational support and continuous improvement, you'll contribute to the delivery of a major network modernisation program transitioning legacy technologies to a modern IP-based network.

The Organisation

Airservices Australia is a government-owned organisation responsible for the safe and efficient management of 11% of the world’s airspace and provision of aviation rescue firefighting services at Australia’s busiest airports.

Our people are our greatest asset with a dynamic and diverse team operating from locations across the country - from bustling cities to regional and remote locations, including an island. This team keep are helping to secure the future of Australia’s skies and keep it amongst the safest in the world.

We connect people with their world safely – linking family and friends, generating economic activity, creating jobs, and facilitating trade and tourism.

Airservices is committed to fostering a culture that is diverse, inclusive, and respectful.  We encourage motivated individuals who love what they do, value a service first mindset and embrace a challenge to explore a career with Airservices. In return you will be a valued team member, be offered flexibility and experience a meaningful career in an exciting, ever-evolving aviation industry.

The Role & The Team

As a Senior Network Security Engineer, you will be responsible for designing, implementing, maintaining and continuously improving secure enterprise network infrastructure that supports Airservices' highly available operational environments. You will provide specialist expertise across network security technologies, lead technical investigations, contribute to major transformation initiatives, and partner closely with engineering teams, project delivery teams, vendors, operational stakeholders and system technical advisors to ensure security, reliability and compliance outcomes are achieved. The role reports to the Network Services Lead and operates within the Network & Telecommunications Platform (NTP) team.

The NTP team delivers and supports the critical network and telecommunications services that underpin Airservices' operational and corporate environments. The team is currently driving a major network modernisation program and is passionate about innovation, technical excellence and maintaining the safety and integrity of Australia's aviation network. People enjoy working in this team because they solve complex challenges, work with leading technologies and contribute to nationally significant outcomes.

You will also participate in an on-call roster, supporting the resolution of critical network faults and service incidents as required

Please see the link below to view the full Position Description:

 Position Description - Senior Network Security Engineer.pdf

The Person

You are an experienced Network Security Engineer who enjoys solving complex technical challenges in large-scale, mission-critical environments. You bring strong problem-solving skills, sound technical judgement and the ability to communicate effectively with a broad range of stakeholders. You take ownership of your work, demonstrate initiative in identifying and resolving issues before they become problems, and approach challenges with a positive, can-do attitude. Comfortable working independently, you thrive in fast-paced operational environments and are committed to delivering secure, resilient and high-performing network services.

The Successful Applicant Will Have

• Demonstrated experience (typically 7+ years) supporting and maintaining complex enterprise network security environments.
• Strong technical expertise across network security technologies including NGFW, BGP, WAF, IPS/IDS, VPN, traffic engineering, load balancing, web proxy and remote access solutions.
• Knowledge of Australian Government security frameworks, including the Information Security Manual (ISM) and Protective Security Policy Framework (PSPF).
• Experience working within highly available 24/7 operational environments.
• Experience applying systems engineering, governance and change management principles.
• Proven ability to identify, investigate and mitigate security vulnerabilities and security incidents.
• Strong communication skills with the ability to engage both technical and non-technical stakeholders.
• Well-developed analytical and problem-solving skills, with the ability to make sound recommendations and drive continuous improvement.

Qualifications & Experience

• A recognised Diploma/Degree in Information Technology, Engineering or a related discipline.
• Australian Citizenship and the ability to obtain and maintain a Negative Vetting 1 (NV1) Security Clearance.
• Industry certifications across technologies such as Cisco, Palo Alto Networks, Check Point, F5 or Infoblox, or equivalent practical industry experience.

Desirable

• AWS Advanced Networking and/or Security certifications.
• Microsoft Azure certifications.
• CISSP®, ISSEP®, CPEng or RPEng accreditation.
• Degree qualifications in Engineering, Information Technology or a related discipline.

Security Clearance

To be eligible to apply, you must be an Australian citizen as an AGSVA security clearance is required for this role. Please refer to the security check requirements successful applicants will be required to undertake as part of the recruitment process.

Should you require any further information please contact Sonya Suresha - Talent Acquisition Recruiter at sonya.suresha@airservicesaustralia.com. 

How to Apply

To apply for this position please lodge an application online before Applications close 11.55 pm (AEST) 4th Sep 2026.