Lead Network Engineer, L3
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Job Description
L3 Lead Network Engineer delivering enterprise-grade networking and cybersecurity solutions for an Australian ICT provider. Overseeing projects from design to implementation with a strong focus on engineering excellence.
Responsibilities:
- Lead the technical delivery of enterprise networking and security projects from design through implementation
- Develop Low Level Designs (LLDs), implementation plans, deployment documentation, and technical standards
- Take ownership of engineering outcomes throughout the project lifecycle
- Drive engineering best practices across projects and managed services
- Support presales teams with technical solution validation and customer discovery workshops
- Review solution architectures for technical accuracy and delivery suitability
- Provide implementation effort estimates and technical risk assessments
- Support seamless transitions from presales through to project delivery
- Act as the primary technical contact throughout project delivery
- Present technical solutions in clear business language to a variety of stakeholders
- Build trusted customer relationships through effective consultation and communication
- Participate in planning sessions, workshops, and solution reviews
- Lead the implementation of enterprise networking and security solutions
- Collaborate with project managers, presales consultants, and engineering teams to ensure successful delivery
- Ensure projects are delivered within scope, quality expectations, and agreed timelines
- Support project handovers into managed services environments
- Provide the highest level of technical escalation across managed customer environments
- Troubleshoot complex networking and security incidents
- Perform root cause analysis and support cyber security incident response activities
- Lead enterprise firewall migration projects and mentor junior engineers during escalations
- Identify opportunities to enhance customer environments and internal engineering processes
- Contribute to automation initiatives, deployment templates, and AI-assisted engineering workflows
- Improve engineering documentation, operational standards, and technical knowledge resources
- Promote engineering excellence and standardisation across the business
- Work closely with engineering, service desk, presales, and project teams
- Mentor junior engineers through technical leadership and knowledge sharing
- Participate in architecture discussions and contribute to ongoing capability development
Requirements:
- Minimum 5 years' experience in a senior engineering role within an MSP environment
- Proven experience leading enterprise infrastructure projects from solution design through implementation
- Strong customer-facing consulting experience with the ability to independently lead technical discussions
- Experience producing Low Level Design (LLD) documentation and technical implementation plans
- Demonstrated experience managing enterprise networking and security environments
- Proven ability to mentor engineers and provide technical leadership
- Ability to manage multiple priorities while working autonomously
- Strong experience with FortiGate, FortiManager, and FortiAnalyzer
- Expertise in enterprise firewall implementation, secure networking, and SASE architecture
- Strong knowledge of enterprise routing and switching, SD-WAN, MPLS, BGP, Layer 2 & Layer 3 networking
- Experience with FortiSwitch, FortiAP, enterprise WAN, and multi-site network design
- Experience supporting network segmentation and security best practices
- Fortinet NSC Level 7 (Secure Networking and/or SASE) certification is essential
- Cisco CCNP Enterprise or Cisco CCNP Security certifications are highly regarded
- Experience with enterprise SD-WAN and SASE implementations
- Exposure to cloud networking and hybrid infrastructure
- Experience with customer discovery workshops, solution validation, and technical presales
- Knowledge of Palo Alto Networks, Netskope, Cisco Meraki, AWS Networking, and Autotask PSA is advantageous
- Experience with automation, AI-assisted engineering tools, and infrastructure improvements is highly regarded
- Excellent written and verbal communication skills
- Ability to explain complex technical concepts to both technical and non-technical audiences
- Strong customer relationship management and consulting skills
- High level of ownership, accountability, and initiative
- Strong analytical and problem-solving abilities
- Highly organised with excellent time management skills
- Collaborative leadership style with a continuous improvement mindset
Benefits:
- Get paid in Australian Dollars
- Medical insurance from day one for you + spouse (or parents if unmarried)
- Generous OPD coverage from doctor visits to all your medical needs
- Home office setup allowance to build your ideal workspace
- Internet allowance to keep you connected
- Gym & wellness allowance to stay fit and balanced
- Work hard, play hard – regular team events & engagement activities
- Diji Assist – Mental health & counseling support when you need it
- We invest in you – reimbursement for industry certifications
- Open-door culture – your ideas and feedback always matter
- Flexible work – home or office, wherever you do your best work
- Rewards & recognition that actually recognize you
- Great christmas & financial year-end parties to unwind with your loved ones
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