Cyber Security and Network Engineer at L3HHCM20

📍 Job Overview

Job Title: Cyber Security and Network Engineer
Company: L3Harris Communication Systems Australia
Location: Hamilton, Brisbane, Australia
Job Type: On-site
Category: Cybersecurity & Networking
Date Posted: 2025-06-09
Experience Level: Mid-level (2-5 years)

🚀 Role Summary

Lead security assessments and authorizations for defense and commercial communication systems, ensuring compliance with relevant frameworks.
Provide operational support for these systems, including re-authorization, risk assessments, vulnerability assessments, and reporting.
Collaborate with customers and business support teams to ensure security protection needs are implemented, system maintenance requirements are met, and incident response requirements are managed.
Contribute to and lead security discussions at customer workshops and technical reviews.
Support network architecture development, upgrades, or migrations and configure/maintain networking equipment such as routers, switches, and firewalls.
Improve system performance through analysis, review, and defect fixing.

💻 Primary Responsibilities

Security Assessment & Authorization: Ensure defense communication systems are authorized via the Defence Cyber Security Assessment & Authorization Framework, including leading the development of the authorization documentation. Ensure commercial communication systems have an appropriate risk assessment in place and conform to the ACSC Essential 8 controls.
Operational Support: Manage the ongoing maintenance of authorisation status, including re-authorisation, risk assessments, vulnerability assessments, and reporting.
Customer & Business Support: Work closely with customers and business support teams to ensure security protection needs are implemented, system maintenance requirements are met, and incident response requirements are managed.
Security Discussions: Contribute to and lead security discussions at customer workshops and technical reviews.
Network Architecture & Configuration: Support network architecture development, upgrades, or migrations and configure/maintain networking equipment such as routers, switches, and firewalls.
System Performance Improvement: Analyze, review, and fix defects to improve system performance.

🎓 Skills & Qualifications

Education: Tertiary qualifications in Software Engineering, Information Technology, Computer Science, or an equivalent.

Experience:

Extensive Cyber Security Experience
Minimum 2+ years networking experience
Demonstrated experience in the development of documentation for security authorisation (previously accreditation) in an Australian defence context.
Practical implementation of ISM and DSPF requirements, ICT or Cyber Industry Training and/or demonstrable knowledge.

Required Skills:

Networking protocols (e.g., ICMP, RIP, PIM)
IPv4/IPv6 unicast/multicast routing, VLANs, VXLANs
Secure network & encryption standards (SSL/TLS, AES/SHA)
Network security and networking technologies with system, security and network monitoring tools
Strong communication skills

Preferred Skills:

Software Defined Networking (SDN) expertise or ability to develop
Cyber Security certifications (e.g., CISSP, CISM, CEH, etc.) or ability to obtain

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Demonstrate experience in cyber security and networking projects.
Showcase skills in developing documentation for security authorisation and risk assessments.
Highlight practical implementation of ISM and DSPF requirements.

Technical Documentation:

Provide examples of network architecture designs, security assessments, and risk management plans.
Include case studies or project documentation showcasing problem-solving, analysis, and improvement techniques.

💵 Compensation & Benefits

Salary Range: $90,000 - $120,000 AUD per annum (based on experience and qualifications)

Benefits:

Additional week of leave per annum plus the option to buy or sell up to 2 weeks additional annual leave.
Salary continuance insurance (SCI pays 75% of your base salary and bonus for up to 2 years)
Flexible working hours and patterns depending on location
Discounted private health insurance
Life & Total Permanent Disability Cover
Novated Car Leasing
Company supported professional development programs
Company paid parking
Retail Reward programs
9 Day Fortnight Option

Working Hours: 40 hours per week, with flexible working hours and patterns depending on location.

🎯 Team & Company Context

🏢 Company Culture

Industry: Defence and Communications

Company Size: Large (500+ professionals)

Founded: 1977

Team Structure:

The role will be part of the Land C4 (Command, Control, Communications & Computers) Sovereign Capability team.
The team works closely with customers and business support teams to ensure security protection needs are implemented, system maintenance requirements are met, and incident response requirements are managed.

Development Methodology:

The team follows Agile methodologies, with regular sprint planning, code reviews, testing, and quality assurance practices.
Deployment strategies include CI/CD pipelines and server management.

Company Website: L3Harris Communication Systems Australia

📝 Enhancement Note: L3Harris Communication Systems Australia is a world leader in ground tactical and airborne mission communication solutions and a global provider of ground-based C4 systems and transportable SATCOM terminals. The company is focused on delivering advanced systems to meet the needs of its customers, uniting multiple forms of communication together, and covering communication over air, ground, sea, and space.

📈 Career & Growth Analysis

Web Technology Career Level: Mid-level Cyber Security and Network Engineer, with opportunities for growth into senior roles, technical leadership, or specialized domains such as Software Defined Networking (SDN) or emerging technologies.

Reporting Structure: The role reports directly to the Land C4 (Command, Control, Communications & Computers) Sovereign Capability team lead.

Technical Impact: The role has a significant impact on the security and reliability of defense and commercial communication systems, ensuring compliance with relevant frameworks and providing operational support.

Growth Opportunities:

Technical skill development in emerging technologies such as Software Defined Networking (SDN).
Technical leadership opportunities, including team management and architecture decision-making.
Career progression paths include senior roles within the cybersecurity and networking domains or specialized domains.

📝 Enhancement Note: L3Harris Communication Systems Australia offers a range of professional development programs, company-supported training, and mentorship opportunities to support the growth and development of its employees.

🌐 Work Environment

Office Type: On-site, with flexible working hours and patterns depending on location.

Office Location(s): Hamilton, Brisbane, Australia, with opportunities for remote work depending on the role and project requirements.

Workspace Context:

The workspace is collaborative, with opportunities for cross-functional integration between developers, designers, and stakeholders.
The workspace is equipped with development tools, multiple monitors, and testing devices to support network architecture development, upgrades, or migrations.
The workspace encourages knowledge sharing, technical mentoring, and continuous learning.

Work Schedule: 40 hours per week, with flexible working hours and patterns depending on location, including a 9-day fortnight option.

📝 Enhancement Note: L3Harris Communication Systems Australia offers a flexible work arrangement, with opportunities for remote work depending on the role and project requirements. The company also provides company-paid parking and retail reward programs to support work-life balance.

📄 Application & Technical Interview Process

Interview Process:

Technical Assessment: A technical assessment focusing on networking protocols, secure network standards, and network security tools.
Behavioral Interview: A behavioral interview to assess communication skills, problem-solving, and cultural fit.
Final Evaluation: A final evaluation based on the technical assessment and behavioral interview results.

Portfolio Review Tips:

Highlight experience in cyber security and networking projects, with a focus on security assessments, risk management, and network architecture.
Include case studies or project documentation showcasing problem-solving, analysis, and improvement techniques.
Emphasize practical implementation of ISM and DSPF requirements, ICT or Cyber Industry Training, and relevant certifications.

Technical Challenge Preparation:

Brush up on networking protocols (e.g., ICMP, RIP, PIM), IPv4/IPv6 routing, VLANs, VXLANs, and secure network standards (SSL/TLS, AES/SHA).
Familiarize yourself with network security tools and system, security, and network monitoring tools.
Prepare for problem-solving scenarios, system design discussions, and incident response planning.

ATS Keywords: Cyber Security, Networking, Software Engineering, Information Technology, Computer Science, Documentation Development, ISM Implementation, DSPF Requirements, Networking Protocols, IPv4/IPv6 Routing, Secure Network Standards, Network Security, System Monitoring Tools, Problem Solving, Incident Response, Agile Methodologies, CI/CD Pipelines, Server Management, Defence Communication Systems, Commercial Communication Systems, Risk Assessment, Vulnerability Assessment, Security Authorisation, Network Architecture, Network Configuration.

📝 Enhancement Note: L3Harris Communication Systems Australia uses a structured interview process to assess technical skills, problem-solving abilities, and cultural fit. The company values strong communication skills, practical experience, and a commitment to continuous learning and improvement.

🛠 Technology Stack & Web Infrastructure

Networking Technologies:

Routers, switches, and firewalls
IPv4/IPv6 unicast/multicast routing, VLANs, VXLANs
Networking protocols (e.g., ICMP, RIP, PIM)
Secure network & encryption standards (SSL/TLS, AES/SHA)

Network Security Tools:

System, security, and network monitoring tools
Intrusion detection and prevention systems
Security information and event management (SIEM) systems

Development & DevOps Tools:

Version control systems (e.g., Git)
CI/CD pipelines (e.g., Jenkins, GitLab CI/CD)
Infrastructure as Code (IaC) tools (e.g., Terraform, Ansible)
Containerization and orchestration tools (e.g., Docker, Kubernetes)

📝 Enhancement Note: L3Harris Communication Systems Australia uses a range of networking technologies, network security tools, and development & DevOps tools to support its mission-critical communication systems. The company encourages continuous learning and the adoption of emerging technologies to maintain a competitive edge in the industry.

👥 Team Culture & Values

Cyber Security & Networking Values:

Security First: Prioritize security in all aspects of communication system design, implementation, and maintenance.
Collaboration & Communication: Foster a culture of open communication, knowledge sharing, and teamwork to ensure the security and reliability of communication systems.
Continuous Learning: Encourage continuous learning and the adoption of emerging technologies to maintain a competitive edge in the industry.
Customer Focus: Understand and address customer needs to ensure the security and reliability of communication systems meet their expectations.

Collaboration Style:

The team follows Agile methodologies, with regular sprint planning, code reviews, testing, and quality assurance practices.
The team encourages cross-functional integration between developers, designers, and stakeholders to ensure the security and reliability of communication systems.
The team promotes knowledge sharing, technical mentoring, and continuous learning to support the development of its members.

📝 Enhancement Note: L3Harris Communication Systems Australia values a culture of open communication, knowledge sharing, and teamwork to ensure the security and reliability of its communication systems. The company encourages continuous learning and the adoption of emerging technologies to maintain a competitive edge in the industry.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Stay up-to-date with emerging networking technologies, standards, and best practices.
Address complex security challenges and vulnerabilities in defense and commercial communication systems.
Develop and maintain secure network & encryption standards (SSL/TLS, AES/SHA) to protect sensitive data and communications.

Learning & Development Opportunities:

Pursue relevant certifications, such as CISSP, CISM, CEH, or other industry-recognized qualifications, to enhance your knowledge and skills in cybersecurity and networking.
Attend industry conferences, webinars, and workshops to stay current with emerging technologies and best practices.
Engage in mentorship programs and knowledge-sharing sessions to develop your technical skills and leadership abilities.

📝 Enhancement Note: L3Harris Communication Systems Australia offers a range of professional development programs, company-supported training, and mentorship opportunities to support the growth and development of its employees. The company encourages continuous learning and the adoption of emerging technologies to maintain a competitive edge in the industry.

💡 Interview Preparation

Technical Questions:

Networking Fundamentals: Describe your understanding of networking protocols, IPv4/IPv6 routing, VLANs, VXLANs, and secure network & encryption standards (SSL/TLS, AES/SHA).
Network Security: Explain your experience with network security tools, intrusion detection and prevention systems, and security information and event management (SIEM) systems.
Problem Solving: Walkthrough a complex network security challenge you've faced and how you addressed it.
System Design: Describe your approach to designing secure, reliable communication systems that meet customer needs.

Company & Culture Questions:

Company Culture: Explain what aspects of L3Harris Communication Systems Australia's culture appeal to you and how you would contribute to it.
Team Dynamics: Describe your experience working in a collaborative, cross-functional team and how you've contributed to its success.
Customer Focus: Explain how you've ensured customer needs were met in previous roles and how you would approach customer focus at L3Harris Communication Systems Australia.

Portfolio Presentation Strategy:

Highlight your experience in cyber security and networking projects, with a focus on security assessments, risk management, and network architecture.
Include case studies or project documentation showcasing problem-solving, analysis, and improvement techniques.
Emphasize practical implementation of ISM and DSPF requirements, ICT or Cyber Industry Training, and relevant certifications.

📝 Enhancement Note: L3Harris Communication Systems Australia values strong communication skills, practical experience, and a commitment to continuous learning and improvement. The company looks for candidates who can thrive in a collaborative, cross-functional team environment and contribute to the security and reliability of its communication systems.

📌 Application Steps

To apply for this Cyber Security and Network Engineer position:

Resume Optimization: Tailor your resume to highlight your experience in cyber security and networking, with a focus on security assessments, risk management, and network architecture. Include relevant keywords and certifications to optimize your resume for Applicant Tracking Systems (ATS).
Portfolio Preparation: Prepare a portfolio showcasing your experience in cyber security and networking projects, with a focus on security assessments, risk management, and network architecture. Include case studies or project documentation showcasing problem-solving, analysis, and improvement techniques.
Technical Interview Preparation: Brush up on networking protocols, network security tools, and problem-solving scenarios. Familiarize yourself with L3Harris Communication Systems Australia's technology stack and company culture to ensure a strong technical interview performance.
Company Research: Research L3Harris Communication Systems Australia's industry, company history, and mission to ensure a strong understanding of the company and its communication systems. Prepare questions to ask during the interview to demonstrate your interest and commitment to the role.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web technology industry-standard assumptions. All details should be verified directly with L3Harris Communication Systems Australia before making application decisions.

Cyber Security and Network Engineer