Network Security Operations Support Engineer

Description

Network Security Engineer

• Flexible work arrangements including but not limited to working remotely, flex for life and our Life Days program where you can accrue 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're a 'Family Friendly' certified workplace - we understand the diverse 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 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 great 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 i.e. 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 does require 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. 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 - 1 - 2 interviews & 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.

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."

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.

#Remote

Client-provided location(s): Canberra, Australia

Job ID: Leidos-R-00167540

Employment Type: FULL_TIME

Posted: 2025-10-02T18:45:26