Network Engineer

• 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

We are seeking a Network Engineer to join our Digital Modernisation Division, working in complex, multi-vendor environments within a supportive and collaborative team. This role focuses on network engineering, infrastructure management, and performance optimisation, with a strong emphasis on design, security, and stakeholder engagement.

Key Responsibilities

• Manage and maintain network infrastructure, including routers, switches, firewalls, and cloud-based networking solutions.

• Design, review, and produce high-quality architecture and as-built documentation to support network environments.

• Monitor, troubleshoot, and resolve network issues, ensuring reliability, performance, and resilience of services.

• Implement and manage network security measures, supporting secure infrastructure across on-premise and cloud platforms.

• Collaborate with stakeholders to plan capacity, manage changes, and adapt to evolving requirements while contributing to on-call support.

About You and What You'll Bring

• Strong experience in network engineering, including configuration and integration of routers, firewalls, and related infrastructure components.

• Deep understanding of network protocols, tools, and security principles, particularly across cloud-based environments.

• Proven ability to develop high-quality design documentation and build strong stakeholder relationships.

• Excellent organisational skills, with the ability to manage multiple priorities and adapt to changing requirements.

• Relevant certifications such as CCNP or CISSP (or equivalent experience) and a proactive, collaborative approach to problem-solving.

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:

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.