Cloud Platform Engineer - Systems Administrator

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Learn more about careers at Leidos Australia

Do Work That Matters

Leidos Australia delivers IT and airborne solutions that protect and advance the Australian way of life. Our 2000 local experts, backed by our global experience and network of partners, are working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets.

Your New Role and Responsibilities

You will support a multi‑year Defence program delivering Australia’s Health Knowledge Management System, a secure, large‑scale AWS cloud platform enabling end‑to‑end clinical support for the Australian Defence Force across domestic and global deployments.

In this role, you will apply modern DevOps and Site Reliability Engineering practices to operate and continuously improve a secure, resilient, and highly available cloud environment. You will focus on automation, reliability, scalability, and observability, while collaborating closely with internal teams, vendors, and stakeholders to deliver stable and continuously improving platform services.

Key Responsibilities

• Operate and support a secure, multi‑account AWS cloud environment hosting Windows and Linux workloads, Kubernetes clusters, and CI/CD pipelines

• Manage platform lifecycle activities including provisioning, patching, scaling, maintenance, and operational support

• Design, implement, and continuously improve Infrastructure as Code and automation‑first solutions to enable consistent and scalable platform deployments

• Implement observability, monitoring, and reliability engineering practices to support proactive issue detection, incident response, and service improvement

• Collaborate with internal teams, vendors, and stakeholders to support platform delivery, operational readiness, and continuous improvement initiatives

About You and What You'll Bring

• Experience supporting and operating AWS cloud environments within enterprise or production settings, including multi‑account architectures

• Experience with containerised platforms such as Kubernetes (EKS), CI/CD pipelines, and Infrastructure as Code using tools such as Terraform and Ansible

• Strong understanding of cloud security best practices, observability, monitoring, and operational resilience

• Ability to produce clear operational documentation, runbooks, and support procedures

• Strong communication skills and a collaborative mindset, with the ability to work closely with technical teams, vendors, and stakeholders

This role does require the successful applicant to be an Australian Citizen and hold a minimum Baseline level clearance and be able to gain and maintain a NV‑1 level security clearance.

Diverse Team Members, Shared Values and a Common Purpose

Providing our customers with smarter solutions takes an incredible team with diversity of thought, experience and perspectives driving innovation. Inclusion is at the heart of our culture and is one of our core values. It's about creating a workplace where everyone can do important work, feels welcome, valued, and respected, and has equal access to opportunities to thrive.
Paul Chase – Chief Executive, Leidos Australia.

Leidos Australia is an equal opportunities organisation and is committed to creating a truly inclusive workplace. We welcome and encourage applications from Aboriginal and Torres Strait Islanders, culturally and linguistically diverse people, people with disabilities, veterans, neurodiverse people, and people of all genders, sexualities, and age groups.

Our five Advocacy Groups (Women and Allies Network, Young Professionals, Defence & Emergency Services, Action for Accessibility and Abilities, and Pride+) provide opportunities for team members to connect, collaborate, and support our diverse community.

Next Steps

• To apply for this role, follow the links or apply via our Careers page

• Recruitment process – virtual / face‑to‑face interview & background checks

• Applicants may also need to meet International Traffic in Arms Regulations (ITAR) requirements

• We are committed to making our recruitment process accessible to all candidates. Please contact our Careers team at [email protected] if you’d like additional support during your application or recruitment journey

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.