System Administrator

Lockheed Martin; City of Melbourne; On-site; AUD 90,000 - 130,000; Full time

Job summary

Lockheed Martin Australia is seeking a System Administrator to ensure reliable operation, performance, and security of multi-user computer systems and related infrastructure in a professional ICT environment.

The role involves coordinating with network teams, managing accounts, documentation, software deployments, storage, backups, and providing user support while contributing to security practices and policy development.

Qualifications

• Experience supporting Windows and Linux operating systems.
• Knowledge of virtualization technologies and enterprise storage.
• Understanding of Active Directory, DNS, DHCP, and core networking concepts.
• Security best practices and system hardening.
• Ability to script or automate tasks to improve efficiency.
• Strong troubleshooting and collaboration with stakeholders.

Responsibilities

• Maintain reliable operation, performance, and security of multi-user systems.
• Manage user/service accounts, deployments, storage, backups, and recovery processes.
• Provide technical support to users and evaluate technology solutions.
• Develop and monitor policies, procedures, and standards for computing resources.

Job description

Eligibility

Applicants must be Australian citizens and be eligible to obtain and maintain an active Australian Government Defence security clearance at the level required for the position.

The System Administrator is responsible for maintaining the reliable operation, performance, and security of multi user computer systems, platforms, and associated technologies. Working closely with network administrators and other technical teams, the role manages user and service accounts, system documentation, software deployments, storage allocation, system optimisation, and backup and recovery processes. The position also provides technical support to users, evaluates technology solutions, and contributes recommendations regarding hardware, software, and infrastructure improvements.

Operating with a high degree of technical autonomy, the System Administrator applies sound judgement to resolve issues, implement solutions, and support technology projects and operational objectives. The role contributes to the development and monitoring of policies, procedures, and standards for the effective use of computing resources, while ensuring systems remain aligned with organisational requirements and service expectations.

About You:

The successful candidate will have demonstrated experience providing systems administration support within a professional ICT environment, with experience supporting enterprise systems and infrastructure. The role requires a solid understanding of Windows and Linux operating systems, virtualisation technologies, networking concepts, security practices, and general infrastructure support.

Experience across the following areas is highly desirable:

• Administration, configuration, and support of virtualised environments, including virtual machines, virtualisation management platforms, and associated infrastructure.
• Supporting server infrastructure, enterprise storage solutions, and backup environments.
• Performing system maintenance, software deployments, configuration changes, and troubleshooting of physical and virtual server environments.
• Administration of enterprise services including Active Directory, DNS, DHCP, and related domain services.
• Applying security controls and system hardening practices across server and virtualised environments.
• Supporting networking technologies, including virtual networking, switches, firewall solutions, and connectivity troubleshooting.
• Assisting with data centre activities such as equipment installation, rack management, cabling, and hardware lifecycle activities.
• Creating and maintaining technical documentation, procedures, and support guides.
• Using scripting or automation tools to improve administration tasks and operational efficiency.

The role requires strong problem-solving skills, attention to detail, and the ability to work collaboratively with internal stakeholders, customers, and vendors. The successful candidate will demonstrate a customer-focused approach, effective communication skills, and an understanding of cybersecurity responsibilities within an ICT environment.

About Lockheed Martin:

Lockheed Martin is a dynamic organisation, providing stimulating and challenging opportunities with a global team of over 122,000 professionals. We embrace flexibility, so our people can be their best inside and outside of work. As a leader in national security, our innovative and diverse programs create a more secure future for Australia across space, air, land, sea, and cyber domains.

Special Requirements:

Applicants must be eligible to obtain and maintain an Australian Defence Security Clearance and employment may be contingent on the provision of further personal information including citizenship to ensure compliance with international export control legislation and regulations.

Veteran Friendly Workplace:

Veterans are encouraged to apply. We highly value the unique skills and experiences that veterans and transitioning service members can contribute to our team. We are proud to be recognised as a Veteran Friendly Employer by the Australian Government.

Equal Opportunity:

Lockheed Martin Australia supports Equal Employment Opportunity and values diversity in the workplace by creating a place of employment that is, free of unlawful discrimination and is harassment free, fair, ethical, inclusive, and values the contribution of all its employees. By leveraging our employees’ unique talents and experiences, we will deliver innovative, affordable solutions and unparalleled customer value.
As part of our endeavours to increase participation of Indigenous Australians, we welcome applications from all people, including Aboriginal and Torres Strait Islander people.
We are committed to creating a workplace where everyone can thrive. If you are selected for this role, we would be happy to discuss any adjustments that will help you to be successful.