Security Architect Lead

• 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 Architect Lead is a senior technical leader responsible for shaping and delivering security outcomes across key customer accounts. The role provides strategic and operational leadership across initiatives including Essential Eight uplifts, complex vulnerability management, architectural advisory, and trusted customer engagement. Working across multidisciplinary teams, the role improves security posture and resilience. It suits a capable professional with enterprise and government experience, confident at executive level and skilled in mentoring technical teams. This 12+ month role reports to the Executive overseeing cyber programs and plays a critical part in enhancing security maturity and driving future account growth.

Key Responsibilities

• Lead enterprise security uplift strategies aligned to customer objectives and policy frameworks, including Essential Eight and ISM compliance.

• Provide architectural advice on secure design, vulnerability remediation, network segmentation, and privileged access models.

• Oversee complex vulnerability management activities, including tool selection, integration, and reporting in isolated or constrained environments.

• Act as a trusted advisor to senior stakeholders, translating complex risks into practical recommendations and coordinating across multiple accounts.

• Mentor security staff and align delivery with business needs, supporting documentation, threat modelling, and pre-sales architecture reviews.

Qualifications & Experience

• Extensive experience as a senior security architect or lead, with a strong track record in cyber uplift initiatives, particularly Essential Eight, and leading or mentoring technical teams.

• Deep understanding of Australian cybersecurity frameworks, including the ISM, Essential Eight Maturity Model, PSPF, and ASD/ACSC guidance.

• Strong executive-level communication and stakeholder engagement skills, with the ability to influence decision-makers and lead strategic security outcomes.

• With proven success in complex, high-trust environments across government and enterprise.

• Broad technical knowledge across key domains, including cloud security (AWS/Azure), vulnerability management, SIEM, endpoint protection, IAM, threat intel, infrastructure, containers, DevSecOps, and GRC.

This role does require the successful applicant to be an Australian Citizen and hold 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 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 careers.au@au.leidos.com if you’d like to discuss any additional support during your application or throughout the recruitment process. 

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.