Jobs Companies Leidos Security Engineer

About this Security Engineer role at Leidos

Leidos · Onsite · Canberra, Australian Capital Territory, Australia
  • We’re a ‘Family Friendly’ certified workplace – we understand the often many and varied roles our team members need to play within their own unique family setting and actively support them.

Our team feel Leidos is a great place to work. Learn more about our culture and benefits by visiting us here https://www.leidos.com/company/global/australia/careers

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

The Security Engineer is accountable for the implementation and operation of Leidos managed capabilities across a Federal Government Department that spans both on-prem and cloud environments. They will ensure that systems and platforms are protected in line with organisational and regulatory requirements.

The Security Engineering Team reports to the Leidos Security Lead and will collaborate with Department stakeholders to deploy and manage these capabilities. The Security Engineer will be responsible for ensuring that the deployed platforms are integrated with enterprise services and provide effective protections to the Department.

The Security Engineer will drive system hardening, continuous monitoring efforts and perform Incident Response (IR) activities. This involves analysis of security events, working with other teams to investigate alerts, identify root causes, tune protection capabilities and implement remediation actions. They will implement and operates vulnerability management capabilities across the environment, ensuring that systems and applications are assessed, monitored and protected against threats.

The role contributes to system assurance activities by maintaining vulnerability records, gathering technical artefacts, and reporting on risk posture in alignment with the ISM and PSPF.

This role requires strong experience in enterprise security operations and Federal Government environments.

Key Responsibilities

  • Configuring Microsoft Windows systems, Linux systems and any Public Cloud tenancies.
  • Deploying and maintaining security capabilities within an Australian Government environment.
  • Vulnerability Management.
  • Investigating security alerts and supporting IR activities.
  • Change Management processes.
  • Strong understanding of system hardening and secure configuration standards (e.g. ISM and Essential Eight).
  • Strong knowledge of Australian Government security frameworks and regulatory controls (e.g. PSPF).
  • Ability to support compliance activities (e.g. gather artefacts from systems and perform regular reporting practices).

About You and What You'll Bring - Desirable

  • Proven experience in Identity and Access Management (IdAM).
  • Familiarity with Enterprise Security Architecture (ESA).
  • Elasticsearch as an observability platform.
  • Experience with automation and orchestration tooling (e.g. Ansible or equivalent).
  • Experience with IT service management platforms and governance workflows (e.g. ServiceNow).

This role does require the successful applicant to be an Australian Citizen and holds a current 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 an opportunity for team members to connect and collaborate on shared interests, and work to support and celebrate 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. In certain circumstances this can place limitations on persons who hold dual nationality, permanent residency or are former nationals of certain countries as per ITAR 126.1.

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

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:

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

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.

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About Leidos

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are

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