Network Security Operations Support Engineer

7 days ago


City of Brisbane, Australia Leidos Full time

Description

Network Security Engineer

- Flexible work arrangements including remote options, life days program with up to an additional 12 days of leave per year.
- Grow your Cyber Security career within a large global enterprise and work with leading technology.
- We are a ‘Family Friendly’ certified workplace and actively support team members with diverse family needs.

Leidos Australia invites you to learn more about our culture and benefits at: 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, are solving the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets.

Your New Role and Responsibilities The Leidos Australia Cyber Infrastructure Support Team has an immediate opportunity for an experienced Network Security Support Engineer. Supporting Leidos customers in Australia and the United States, this full-time permanent role reports into the US and offers flexible work arrangements, including remote work.

As the Network Security Support Engineer you will be responsible for providing enterprise network security solutions such as firewalls, IPS, tap aggregation, packet capture, content filtering and security automation tools to ensure the security and on-going stability of the Leidos Corporate Network. Your role will include:

- Manage daily operations, maintenance and user requests in a large and global enterprise.
- Build, configure, troubleshoot and update the network security capabilities to protect core networks and information.
- Provide technical expertise to large or complex security projects.
- Guide and support junior engineers and establish and maintain operating procedures.
- In an on-call rotation provide emergency support for the corporate network security environment.

What You’ll Bring to Make An Impact

- Bachelor’s Degree with 4+ years’ experience including 2+ in an enterprise network or security environment, or equivalent combination of experience, training and professional certifications.
- Strong knowledge of the OSI 7 layer model, TCP/IP and common application layer protocols.
- Fundamental knowledge of IP based networking, including switching and routing.
- Experience with common enterprise firewall vendors such as Check Point, Palo Alto, Juniper, Fortinet or Cisco/FirePower Threat Defense.

Don’t worry if you don’t tick all the boxes – if you meet most of them, we encourage you to submit your application. We’re most interested in your strengths, what you want to learn and how far you want to go.

This role requires the successful applicant to be an Australian Citizen who is willing to obtain and hold an AGSVA 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. Paul Chase – Chief Executive, Leidos Australia.

Leidos Australia is an equal opportunities organisation and 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 and collaborate on shared interests, and 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 includes 1–2 interviews and background checks.
- Applicants may need to meet ITAR requirements; in some cases this may place limitations on dual nationals, permanent residents, or former nationals of certain countries as per ITAR 126.1.
- We are committed to making our recruitment process accessible. Please contact our Careers team at careers.au@au.leidos.com if you’d like to discuss any additional support during your application or throughout the recruitment process.

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

#J-18808-Ljbffr



  • Brisbane, Queensland, Australia Airservices Australia Full time $120,000 - $180,000 per year

    Full time Permanent role with Hybrid workingSalary Starting from $159, % SuperLocation Sydney or CanberraThe OrganisationAirservices Australia is a government-owned organisation responsible for the safe and efficient management of 11% of the world's airspace and provision of air traffic services at Australia's busiest airports.Our people are our greatest...


  • Brisbane, Queensland, Australia NW Technology Full time $120,000 - $180,000 per year

    We are seeking an experienced Senior Security Engineer to join a large Queensland Government ICT team responsible for managing and protecting enterprise-scale network and cloud infrastructure. Working within a collaborative Information Security environment, you will provide engineering, administration, and operational support across a range of critical...

  • Network Engineer

    4 weeks ago


    City of Brisbane, Australia Thiess Pty Full time

    What you’ll do As the Network Engineer, you will play a pivotal role in ensuring an exceptional communications environment for our business operations. Key Responsibilities - Drive the delivery of work tasks to achieve business goals and objectives. - Support team members to ensure collaboration and successful results. - Coordinate effectively with...


  • Brisbane, Queensland, Australia Tech Domain Full time $60,000 - $120,000 per year

    Company DescriptionTech Domain provides global IT support, offshoring, and resource solutions for IT outsourcers, resellers, MSPs, and channel partners looking to expand their reach. With a network of over 8,000 skilled IT engineers across more than 100 countries, we offer 24/7 support to meet your business needs. Tech Domain ensures seamless and efficient...

  • Senior Network

    2 weeks ago


    Council of the City of Sydney, Australia FinXL Full time

    Overview Senior Network & Security Implementation Engineer — Leading telco client (consulting through FinXL) FinXL Professional Services is a leading IT consultancy that partners with clients to bridge the gap between business needs and technology capabilities. Since 2003, we've been delivering high-value ICT services across government, finance,...


  • Council of the City of Sydney, Australia Ambition Group Full time

    Senior Network Engineer – Sydney (Hybrid working) We're looking for a Senior Network Engineer to join an established in-house Infrastructure team in Sydney. This role offers a varied mix of project delivery and BAU support, with the opportunity to step up as the senior engineer in the team. What you'll be doing: - Designing, configuring, and supporting...


  • City of Brisbane, Australia Telstra Corporation Full time

    Network Engineer page is loaded## Network Engineerlocations: Australia (Flexible)time type: Full timeposted on: Posted Todaytime left to apply: End Date: October 23, 2025 (7 days left to apply)job requisition id: JR-10156332## Employment TypePermanent## Closing Date22 Oct 2025 11:59pm## Job TitleNetwork Engineer**Job Summary**The Network Engineer is an...


  • City of Melbourne, Australia GPC Asia Pacific Full time

    Senior Network Engineer Join Genuine Parts Company as a Senior Network Engineer - Full time permanent opportunity - Iconic global brand, corporate discounts & other perks - Modern office with free parking Are you a seasoned Network Engineer with over 7 years of experience eager to drive network innovation and reliability? Genuine Parts Company (GPC) Asia...


  • City of Brisbane, Australia Just People Information Security Full time

    Exposure to enterprise networks and critical national infrastructure About the business This is a national technology-driven organisation, but not an MSP or consultancy. They deliver critical services that genuinely impact people’s lives—and they’re structured to support long-term careers, not burn people out. Based just outside the CBD, they operate...


  • City of Melbourne, Australia Aurec Human Capital Group Full time

    Role Overview We are seeking an experienced Senior Network Engineer with strong expertise in enterprise-grade Fortinet SD-WAN solutions. The Senior Network Engineer is responsible for leading the design, implementation, and support of enterprise network solutions across our customers' complex environment. This role combines deep technical expertise with...