System Administrator

1 day ago

Brisbane, Queensland, Australia Buscojobs Full time

Randstad Digital are currently working with a well-known defense organisation to find an experienced Senior Systems Administrator to join their team for a 12-month contract. In this role, you will work with a team of secure networks specialists, applying your expertise across both Windows and Linux environments. Your primary focus will be to design, develop, and implement technical cybersecurity controls to ensure our systems are resilient and secure. You'll partner with solution architects and other technical experts to minimise vulnerabilities and maximise the resiliency of critical systems.

Responsibilities :

  • Partner with solution architects, engineers, and other technical experts to design and implement cyber security solutions.
  • Work within a secure, defense-accredited environment to minimise vulnerabilities and maximise the resiliency of critical systems.
  • Implement and configure Identity and Access Management (IAM) and Multi-Factor Authentication (MFA) solutions.
  • Apply security hardening techniques to both applications and infrastructure.
  • Use scripting languages (e.g., PowerShell, Bash, Ansible) to automate system administration tasks and security controls.
  • Identify and remediate security vulnerabilities using tools like Nessus, Qualys, or OpenVAS.
  • Produce clear and concise documentation.
  • Undertake occasional ad-hoc tasks outside of core business hours (e.g., system upgrades).

Necessary Skills :

Deep experience with both Windows and Linux environments.Proficiency in using vulnerability scanning tools.Proficiency using scripting languages.Familiarity with virtualisation technologies (e.g., VMware, Hyper-V) in a secure environment.Previous experience in a defense or government environment is highly desirable.Relevant certifications (e.g., CISSP, CISM, CompTIA Security+, Red Hat Certified System Administrator) are a plus.A Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.Currently or recently held NV1 or NV2 clearance is required.

Interested? Apply Now

Send applications by clicking "Apply Now" and following the prompts. Alternatively, send your application to

At Randstad, we are passionate about providing equal employment opportunities and embracing diversity to the benefit of all. We actively encourage applications from any background.

#J-18808-Ljbffr

  • System Administrator

    11 hours ago

    Brisbane, Queensland, Australia Civeo Australia Full time

    Join to apply for the System Administrator role at Civeo AustraliaJoin to apply for the System Administrator role at Civeo AustraliaJob DescriptionWe are currently seeking a skilled and motivated Systems Administrator to join our IT team and help us maintain and enhance our IT infrastructure.Job DescriptionWe are currently seeking a skilled and motivated...

  • Systems Administrator

    2 weeks ago

    Brisbane, Queensland, Australia Abacus Technology Full time

    Systems Administrator (Splunk) Abacus Technology is seeking a Systems Administrator to provide Splunk support for the Air Force Intranet Control (AFINC) III Support program at Maxwell AFB/Gunter Annex. This is a full-time position. Responsibilities Design, deploy, configure, and manage Splunk clustered infrastructure on RHEL, including Splunk...

  • System Administrator

    20 hours ago

    Brisbane, Queensland, Australia Civeo Australia Full time

    Join to apply for the System Administrator role at Civeo AustraliaJoin to apply for the System Administrator role at Civeo AustraliaJob DescriptionWe are currently seeking a skilled and motivated Systems Administrator to join our IT team and help us maintain and enhance our IT infrastructure.Job DescriptionWe are currently seeking a skilled and motivated...

  • System Administrator

    3 weeks ago

    Brisbane, Queensland, Australia Davidson Full time

    System Administrator (Vulnerability Specialist)Join to apply for the System Administrator (Vulnerability Specialist) role at DavidsonSystem Administrator (Vulnerability Specialist)2 days ago Be among the first 25 applicantsJoin to apply for the System Administrator (Vulnerability Specialist) role at DavidsonGet AI-powered advice on this job and more...

  • System Administrator

    3 weeks ago

    Brisbane, Queensland, Australia Davidson Full time

    System Administrator (Vulnerability Specialist)Join to apply for the System Administrator (Vulnerability Specialist) role at DavidsonSystem Administrator (Vulnerability Specialist)2 days ago Be among the first 25 applicantsJoin to apply for the System Administrator (Vulnerability Specialist) role at DavidsonGet AI-powered advice on this job and more...

  • IT Systems Administrator

    2 weeks ago

    Brisbane, Queensland, Australia L3Harris Technologies Full time

    Join to apply for the IT Systems Administrator role at L3Harris Technologies1 day ago Be among the first 25 applicantsJoin to apply for the IT Systems Administrator role at L3Harris TechnologiesGet AI-powered advice on this job and more exclusive features.L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what...

  • IT Systems Administrator

    2 weeks ago

    Brisbane, Queensland, Australia Harris Geospatial Solutions Full time

    L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our...

  • J2EE Systems Administrator

    3 weeks ago

    Brisbane, Queensland, Australia Davidson Full time

    Davidson Carseldine, Queensland, AustraliaJoin or sign in to find your next jobJoin to apply for the J2EE Systems Administrator role at DavidsonDavidson Carseldine, Queensland, Australia1 day ago Be among the first 25 applicantsJoin to apply for the J2EE Systems Administrator role at DavidsonAbout the CompanyDavidson Technology are working with a large State...

  • Systems Administrator

    4 weeks ago

    Brisbane, Queensland, Australia Icon Group Full time

    Systems Administrator - Clinical SystemsInformation Technology Brisbane Full Time Icon GroupInformation Technology Brisbane Full Time Icon GroupIcon Group is Australia's largest integrated provider of cancer care with a growing reach in New Zealand, South-East Asia and Europe. Our business is built on a strong but simple mission - to deliver the best care...

  • Systems Administrator

    4 weeks ago

    Brisbane, Queensland, Australia Icon Group Full time

    Systems Administrator - Clinical SystemsInformation Technology Brisbane Full Time Icon GroupInformation Technology Brisbane Full Time Icon GroupIcon Group is Australia's largest integrated provider of cancer care with a growing reach in New Zealand, South-East Asia and Europe. Our business is built on a strong but simple mission - to deliver the best care...