About us At One Solution, we’re a trusted leader in delivering innovative and tailored IT solutions across Australia, with a strong base in Unley, South Australia. With over 10 years of industry experience, we specialise in helping businesses of all sizes optimise their technology and achieve their goals. What We Do We offer a comprehensive range of IT services, including managed IT support, cloud solutions, cybersecurity, and strategic IT consulting. Our team of dedicated experts takes a customer-focused approach, ensuring businesses thrive in an ever-evolving digital landscape. Why Join Us Be part of a dynamic team that values innovation, collaboration, and growth. Enjoy a supportive work culture where your ideas and expertise truly make a difference. Benefit from opportunities for professional development and career progression in a fast-paced industry. Work on exciting projects with a diverse range of clients across various industries. About You You are naturally curious and thrive on exploring new ideas and concepts. You have an open mind and embrace learning opportunities, always eager to challenge yourself and grow both personally and professionally. Problem-solving excites you, whether you’re working independently or collaborating as part of a team. You enjoy tackling new and uncertain challenges, no two days are the same. Your strong attention to detail and time management skills ensure you stay efficient while keeping the bigger picture and company deadlines in focus. Ability to work under pressure. The Offering We have an exciting opportunity for you to join our team as a Level 3 Senior Network Engineer You will be responsible for delivering advanced networking solutions, security implementations, and troubleshooting high-level network issues. Key Responsibilities Network Design & Implementation: Architect, deploy, and optimize complex network infrastructures for clients, ensuring scalability and security. Security & Firewalls: Configure and manage Fortinet firewalls, SD-WAN, and VPNs while adhering to security best practices. Incident Response & Troubleshooting: Provide advanced troubleshooting for complex network and security issues, acting as the final escalation point. Monitoring & Maintenance: Proactively monitor network performance, optimize configurations, and ensure business continuity. Client & Project Engagement: Work closely with clients to understand their business needs and deliver customized networking solutions. Documentation & Compliance: Maintain accurate documentation, network diagrams, and adhere to compliance frameworks such as ISO 27001, NIST, and ITIL. Team Leadership & Mentorship: Assist in guiding junior engineers and contributing to knowledge sharing within the team. Essential Qualifications & Experience Fortinet NSE-7 certification or equivalent (Cisco CCNP Security, Palo Alto PCNSE, etc.). Minimum 5 years of experience in networking engineering roles within an MSP, enterprise, or similar environment. Expertise in Fortinet firewalls (FortiGate), FortiManager, FortiAnalyzer, and FortiAuthenticator. Strong experience in routing, switching, VLANs, VPNs (IPsec, SSL), and SD-WAN. Experience with network security, intrusion detection/prevention, and zero-trust architecture. Proficiency in Microsoft 365, Azure networking, and cloud security. Strong understanding of BGP, OSPF, MPLS, QoS, and network automation. Experience with Cisco, Aruba, or Palo Alto networking solutions is a plus. ITIL or similar process framework knowledge. Skills & Attributes Experience working in a Managed Services Provider (MSP) or consultancy environment. Hands-on experience with SD-WAN deployments. Familiarity with automation and scripting (Python, Ansible, Terraform) for network orchestration. Knowledge of VoIP and unified communications networking. Our Values Make it Happen We’re passionate about you – our customers, our people, our families, our business. It makes us happy when we provide you with a great experience, and we never want to let you down. Communicate with Purpose We want to communicate with you so you know what’s going on – and we love to listen too Trust is a Must You can rely on us as your “safe pair of hands”. A trusted employer, a trusted partner, a trusted supplier Culture Counts We want to create a great place to come to work. We want to have fun, be creative and bounce off each other. We celebrate our differences, our complimentary skills and we value friendship. Experience Matters We value the reputation of our business and our team. We value the knowledge of the solutions we sell, because we’ve done it many times before. One Solution actively encourages applications from individuals of all genders and backgrounds, recognising that a diverse team contributes to innovation and success. We work hard to ensure equality extends to creating an environment where everyone feels valued and empowered to reach their full potential. At One Solution, we don’t just solve problems, we build relationships. If you want to find more about us visit our website at https://onesolution.net.au/. If you’re passionate about technology and driven to deliver exceptional service, we’d love to hear from you. Please submit your application through SEEK with a pdf copy of your CV and a Cover Letter.