Security Engineer
Description
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 responsible for implementing, configuring and operating technical security controls across the enterprise environment, ensuring systems and platforms are protected in line with organisational and regulatory requirements. The role embeds security into infrastructure, platforms and services by working closely with engineering and operations teams to design, deploy and maintain security capabilities across networks, systems and applications, implementing controls aligned with the Information Security Manual (ISM), Protective Security Policy Framework (PSPF) and Essential Eight requirements.
You will manage and maintain security tooling, including endpoint protection, monitoring and defensive controls, ensuring they are correctly configured, integrated and operating effectively. The role supports the detection and analysis of security events, vulnerability management and remediation activities by identifying weaknesses, prioritising remediation, implementing control improvements, ensuring systems are hardened, patches are applied, and security configurations meet defined standards. It also supports secure design and build activities by providing input into system configurations, network design, platform deployments, identity and access controls, network segmentation and secure configuration standards.
Working within a multi-vendor environment, the role ensures security controls are consistently implemented and integrated across service providers while supporting compliance and assurance activities through technical evidence and validation. You will also contribute to continuous improvement by strengthening security controls, improving detection and response capability, and supporting Essential Eight uplift activities.
Key Responsibilities
Implement, configure, and operate technical security controls across infrastructure, platforms, and services
Manage security tooling, support event detection and analysis, and coordinate remediation activities
Perform vulnerability management, including identification, prioritisation, and remediation of weaknesses
Support secure design and build by embedding identity, access, and network security controls
Collaborate across multi‑vendor teams to ensure consistent control implementation and support compliance activities
About You and What You'll Bring
Strong hands-on experience implementing and maintaining security controls across infrastructure, networks, and platforms
Proven experience configuring and operating security tooling such as endpoint protection, monitoring, and access control systems
Working knowledge of Australian Government security requirements including ISM, PSPF, and Essential Eight
Experience with system hardening, patching, secure configuration, and vulnerability management practices
Strong understanding of identity and access management and ability to embed security into engineering and operational processes
This role does require the successful applicant to be an Australian Citizen and be able to gain and maintain a Baseline 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.
About 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 $16.7 billion for the fiscal year ended January 3, 2025. 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 available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
