Network Administrator

Posted 3 Days Ago
Be an Early Applicant
3 Locations
In-Office or Remote
Mid level
Information Technology • Software
The Role
The Network Administrator position involves managing and maintaining network infrastructure, ensuring security, performance, and stability of networks, and resolving complex network issues.
Summary Generated by Built In
  • Life Days are the Leidos way of recognizing that we all need extra time to take care of life. By working slightly more than the minimum weekly hours (2 hours per week for full-timers), you can accrue up to 12 days of leave per year.

  • Leidos Life Hub provides access to discount offers or cashback rewards with over 400 Australian and International retailers.

  • 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

Leidos Australia is seeking multiple skilled Network Administrators to join our AGO GEO SPACES program, delivering advanced national security technology solutions in a secure, high-compliance government environment.

These key technical roles are responsible for the installation, configuration, maintenance, and reliable operation of the organisations data and voice communication networks, ensuring the stability, integrity, and security of critical network services that support mission-essential operations. Responsibilities in these roles will include;

  • Manage and maintain network infrastructure hardware, including switches, routers, firewalls and wireless access points, to ensure high availability and performance.

  • Provide Level 2 and Level 3 incident response and resolution for network outages and complex connectivity issues, minimising disruption to business operations.

  • Implement and enforce network security policies, manage firewall rules and conduct ongoing monitoring to safeguard the network from unauthorised access and cyber threats.

  • Configure network devices and maintain accurate, up‑to‑date documentation of network topology, configurations and procedures.

  • Monitor network performance, identify bottlenecks and apply optimisation strategies to maintain optimal network health and capacity.

What You’ll Bring to Make An Impact

  • Strong understanding of core networking principles, including TCP/IP, DNS, DHCP, VLANs and routing protocols such as OSPF and BGP.

  • Hands‑on experience working with enterprise‑grade networking hardware, including platforms such as Cisco, Juniper, Palo Alto and Fortinet.

  • Experience managing and troubleshooting network security devices and firewall policies.

  • Proven ability to use network analysis and monitoring tools, such as Wireshark and SolarWinds, to diagnose and resolve complex network issues.

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.

Due to the nature of the role, you must be an Australian Citizen who holds an active TSPV security clearance; accompanied by the ability to be successful for a DISA/OSA.

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 - 2 interviews, background checks & DISA/OSA.

  • 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.

Skills Required

  • Strong understanding of core networking principles
  • Hands-on experience with enterprise-grade networking hardware
  • Experience managing and troubleshooting network security devices
  • Proven ability to use network analysis and monitoring tools
  • Active TSPV security clearance

Leidos Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.

  • Healthcare Strength Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
  • Retirement Support Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
  • Wellbeing & Lifestyle Benefits Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.

Leidos Insights

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The Company
Alexandria, VA
27,104 Employees
Year Founded: 1969

What We Do

We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.

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