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greenhouse

Network Engineer

Firmus Technologies
Sydney, AUS
Senior · 8+ years experience
Onsite
Discovered 2 days ago
ansiblelinuxpython

Full Job Posting

Key Responsibilities

  • Design, Implement and Maintain Network Infrastructure
  • Architect, deploy, support the corporate LAN, WAN, WLAN, and VPN infrastructure.
  • Ensure high availability, performance and security of on-premise and cloud-connected network services.
  • Setup, configure and maintain secure site-tp-site VPNs, MPLS links, or private interconnects between data centres, customer site, cloud environments and partner networks.
  • Network as Code and Automation
  • Develop and maintain automated network configurations using Infrastructure as Code (IaC) tools (eg: Ansible, Netbox, Python scripts)
  • Implement CI/CD pipelines for network changes to improve speed, consistency, and auditability
  • Automate routine tasks such as provisioning, backups and compliance checks.
  • Network Security and Policy Enforcement
  • Implement and manage firewall and security devices. Apply firewall rules, VLAN segmentation, ACLs and zero-trust principles to safeguard internal and external communications.
  • Collaborate with SMC Security and Risk team to enforce policies and respond to security incidents.
  • Operation Support
  • Respond and resolve escalate network issues, outages and performance degradations across the SMC Corporate and Compute network infrastructure.
  • Analyze logs, run diagnostics and coordinate with vendors, carriers as needed.
  • Work with internal observability team to setup and maintain monitoring tools to proactively identify bottlenecks, errors and abnormal behaviours.
  • Analyze trends for bandwidth, hardware utilization, and growth to inform scaling and make recommendation to procurement decisions.
  • Design and rest redundant paths, failover mechanisms and DR playbooks to ensure uninterrupted connectivity during outages or maintenance.
  • Participate in operation standby roster and on-call for time to time.
  • Project Management and Stakeholder Management
  • Support the deployment team in their project management and resource allocation for the network portion of AI cluster installations.
  • Collaborate and work closely with Global Operation Centre, Software Defined Infrastructure team, Data Centre Infrastructure team and Solution Architects to support deployments and to maintain SLAs.
  • Technology Expertise
  • Maintain and expand expertise in physical network hardware and advanced networking technologies, including (i) NVIDIA InfiniBand; (ii) Spectrum Ethernet Platform, and (iii) RDMA over Converged Ethernet (RoCE).
  • Familiar with open source network operating systems such as Cumulus Linux and Sonic
  • Maintain and expand expertise in NetDevOps practices to maintain software defined network infrastructure
  • Provide technical support and troubleshooting for advanced networking technologies, escalating to vendors as needed.
  • Mentor junior network engineers, assisting with their technical development.
  • Stakeholder Management
  • Work closely with both Firmus Engineering and Commissioning teams to align network infrastructure with customers’ requirements.
  • Facilitate knowledge sharing and communication between teams and create and maintain comprehensive technical documentation.
  • Maintain and build strong relationships with key technology partners and vendors and proactively manage and coordinate partner engagement on site.

Skills & Experience

  • Bachelor’s degree in network engineering, computer science, or a related technical field.
  • 8+ years of experience in network engineering, with a focus on AI infrastructure.
  • Experience in Linux systems especially host network configuration.
  • Strong project management skills and experienced in complex technical projects.
  • Excellent problem-solving and analytical skills.
  • Ability to work independently and as part of a team.
  • Strong communication skills, both written and verbal.
  • Willingness to undertake international and/or domestic travel for on-site deployments and commissioning.
  • Solid understanding of advanced networking technologies, particularly those related to AI would be highly advantageous.
  • Hands-on experience with NVIDIA InfiniBand, Spectrum Ethernet Platform, and/or RDMA over Converged Ethernet (RoCE) preferred.
  • Key Competencies
  • Enterprise & AI network delivery (LAN, WAN, WLAN, VPN)
  • Secure connectivity (site-to-site VPN, MPLS, private interconnects)
  • Network automation & NetDevOps (IaC, Ansible, Python, CI/CD)
  • Network security (firewalls, VLANs, ACLs, zero-trust)
  • Operations, monitoring & incident response
  • AI networking tech (InfiniBand, Spectrum, RoCE)
  • Linux networking fundamentals
  • Cross-team collaboration & mentoring
  • Location & Reporting
  • Sydney, New South Wales, Australia
  • Reporting to Senior Manager, Networking
  • Employment Basis
  • Full-time
  • Diversity
  • At Firmus, we are committed to building a diverse and inclusive workplace. We encourage applications from candidates of all backgrounds who are passionate about creating a more sustainable future through innovative engineering solutions.
  • Join us in our mission to revolutionize the AI industry through sustainable practices and cutting-edge engineering. Apply now to be part of shaping the future of sustainable AI infrastructure.

Qualifications

  • Bachelor’s degree in network engineering, computer science, or a related technical field.
  • 8+ years of experience in network engineering, with a focus on AI infrastructure.
  • Experience in Linux systems especially host network configuration.
  • Strong project management skills and experienced in complex technical projects.
  • Excellent problem-solving and analytical skills.
  • Ability to work independently and as part of a team.
  • Strong communication skills, both written and verbal.
  • Willingness to undertake international and/or domestic travel for on-site deployments and commissioning.
  • Solid understanding of advanced networking technologies, particularly those related to AI would be highly advantageous.
  • Key Competencies
  • Enterprise & AI network delivery (LAN, WAN, WLAN, VPN)
  • Secure connectivity (site-to-site VPN, MPLS, private interconnects)
  • Network automation & NetDevOps (IaC, Ansible, Python, CI/CD)
  • Network security (firewalls, VLANs, ACLs, zero-trust)
  • Operations, monitoring & incident response
  • AI networking tech (InfiniBand, Spectrum, RoCE)
  • Linux networking fundamentals
  • Cross-team collaboration & mentoring
  • Location & Reporting
  • Sydney, New South Wales, Australia
  • Reporting to Senior Manager, Networking
  • Employment Basis
  • Full-time
  • Diversity
  • At Firmus, we are committed to building a diverse and inclusive workplace. We encourage applications from candidates of all backgrounds who are passionate about creating a more sustainable future through innovative engineering solutions.
  • Join us in our mission to revolutionize the AI industry through sustainable practices and cutting-edge engineering. Apply now to be part of shaping the future of sustainable AI infrastructure.

Preferred Qualifications

  • Hands-on experience with NVIDIA InfiniBand, Spectrum Ethernet Platform, and/or RDMA over Converged Ethernet (RoCE) preferred.

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