{"id":583049,"url":"https://alion.io/job/firmus-technologies-network-architect","title":"Network Architect","company":{"id":63306,"name":"Firmus Technologies","domain":"firmus.ai","url":"https://alion.io/company/firmus-technologies","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Networking","role_family":"Networking","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":55000,"max_usd":127000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":202},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"HPC","optional":false},{"name":"InfiniBand","optional":false},{"name":"Linux","optional":false},{"name":"VLAN","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-09-09T23:46:52Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-31T00:30:13Z","board_verified":true,"closed_at":null,"days_open":51,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":51},"description":"Firmus Technologies\nFirmus Technologies is a global leader pioneering the development and operation of efficient AI infrastructure across Asia Pacific. \nFounded in Australia in 2019, our mission is to create the most efficient AI infrastructure by combining cutting-edge technology with a steadfast commitment to sustainability.\nAt Firmus, we are unique in our approach. We design, build, and operate a new class of digital infrastructure - the AI Factory. Through our model-to-grid technology approach, we have pushed the boundaries of multi-generational liquid cooling systems, energy management, AI software orchestration, and construction. For our customers\nFirmus AI Cloud\nOur large-scale GPU cloud platform, Firmus AI Cloud, is purpose-built to deliver energy-efficient AI compute at scale to customers.\nIt empowers developers, enterprises, educational institutions, and government users to train and deploy AI models with unmatched efficiency and cost savings. With an ever-growing suite of services and applications, we are committed to delivering a cloud experience that is market-leading, proprietary, and built to scale.\nRole Summary\nFirmus is seeking a skilled Network Architect / Senior Network Architect to join our Engineering and Technology team. The ideal candidate will play a crucial role in leading the design and deployment of both our physical network infrastructure and network architecture for our AI infrastructure projects.\nThis role offers an exciting opportunity to work at the forefront of AI networking technology and contribute to the growth of Firmus’ AI infrastructure capabilities. Deep hands-on experience with network hardware is required, particularly with fibre optic systems. Also necessary to succeed in the role is a strong architectural mindset to guide the evolution of scalable, secure and high-performance networks for AI.\nKey Responsibilities\nNetwork Architecture & Design\nArchitect and maintain low-latency, high-throughput interconnects (e.g. InfiniBand 100/200/400/800GbE) for HPC and AI workloads.\nCollaborate with other network engineers and cross-functional teams to develop network infrastructure roadmaps, aligned with business and technical strategy.\nLead the design of our layer 1/2/3 network infrastructure in our data centre deployments, our AI Factories, and the cluster interconnects with considerations for redundancy, scalability, and performance.\nEvaluate new technologies, architectures, and design patterns to improve network performance and efficiency.\nNetwork Hardware & Physical Infrastructure\nLead the design, configuration, and deployment of highly scalable physical networks optimised for AI workloads.\nOversee the planning and implementation of fibre optic cabling systems (single-mode & multi-mode), including backbone connections, patch panels, and structured cabling.\nPlan the capacity and integration of optical technologies (DWDM, CWDM) and long-haul fibre for intersite connectivity.\nEnsure physical infrastructure aligns with architectural standards and supports scalability, availability, and security goals.\nCreate and maintain accurate and up-to-date documentation of network architecture, hardware and cabling.\nWork closely with other engineering disciplines to coordinate the network infrastructure with other services (e.g. mechanical, electrical, security etc.) within the data centre.\nParticipate in the operations standby roster and on-call support from time to time.\nNetwork Security and Policy\nPlan and implement firewall and security devices. Apply firewall rules, VLAN segmentation, ACLs adhering to zero-trust principles to safeguard internal and external communications.\nCollaborate with SMC Security and Risk team to enforce policies and respond to security incidents.\nOperation Support\nRespond and resolve escalate network issues, outages and performance degradations across the SMC Corporate and Compute network infrastructure.\nAnalyze logs, run diagnostics and coordinate with vendors, carriers as needed.\nWork with internal observability team to setup and maintain monitoring tools to proactively identify bottlenecks, errors and abnormal behaviours.\nAnalyze trends for bandwidth, hardware utilization, and growth to inform scaling and make recommendation to procurement decisions.\nDesign and rest redundant paths, failover mechanisms and DR playbooks to ensure uninterrupted connectivity during outages or maintenance.\nParticipate in operation standby roster and on-call for time to time.\nProject Management\nSupport the deployment team with defining project timelines and resource allocation for the network portion of AI cluster installations.\nCreate Bill of Materials and develop budgets for network deployments.\nCoordinate with cross-functional teams to ensure successful project delivery.\nTechnology Expertise\nMaintain and expand expertise in physical network hardware and advanced networking technologies, including:Optical Transport Network\nNVIDIA InfiniBand\nSpectrum Ethernet Platform\nRDMA over Converged Ethernet (RoCE)\n\nFamiliarity with open-source network operating systems such as Cumulus Linux and Sonic.\nProvide technical support and troubleshooting for advanced networking technologies, escalating to vendors as needed.\nMentor junior network engineers, assisting with their technical development.\nStakeholder Management & Collaboration\nWork closely with both Firmus Engineering and Commissioning teams to align network infrastructure with customers’ requirements.\nFacilitate knowledge sharing and communication between teams and create and maintain comprehensive technical documentation.\nMaintain and build strong relationships with key technology partners and vendors and proactively manage and coordinate partner engagement on site.\nSkills & Experience\nBachelor’s degree in Network Engineering, Computer Science, or a related technical field.\n5+ years of experience in network engineering, with a focus on AI infrastructure.\nStrong project management skills and experience leading complex technical projects.\nSolid understanding of advanced networking technologies, particularly those related to AI.\nHands-on experience with NVIDIA InfiniBand, Spectrum Ethernet Platform, and RoCE.\nStrong experience with network cabling systems, both fibre optic and copper.\nExcellent problem-solving and analytical skills.\nAbility to work independently and as part of a team.\nStrong communication skills, both written and verbal.\nWillingness to travel domestically and internationally for on-site deployments and commissioning as required.\n\nKey Competencies\nAI/HPC network architecture (InfiniBand, 100-800GbE)\nL1/L2/L3 data centre and cluster design\nFibre & optical infrastructure (SM/MM, DWDM/CWDM)\nAdvanced networking tech (RoCE, Spectrum, Cumulus/SONiC)\nNetwork security, resilience & DR\nIncident response, monitoring & capacity planning\nProject delivery, BoMs & vendor management\nClear communication and team mentoring\nSuccess Metrics\nNetworks meet latency, throughput & scalability targets\nAI cluster deployments delivered on time and within budget\nHigh availability with minimal unplanned outages\nFast incident resolution and proactive risk identification\nAccurate, current network documentation\nStrong stakeholder and vendor feedback\nLocation & Reporting\nThis role is based in Singapore\nReporting to Senior Manager, Networking\n\nEmployment Basis\nFull-time\nDiversity\nAt 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.\nJoin 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.","description_format":"text","description_chars":7804,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Singapore","iso":"SG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Centers & Colocation","Cloud Platforms (IaaS & PaaS)","AI Compute & Inference"],"lifecycle":[{"event":"open","at":"2026-09-10T00:22:49Z"}],"visa":[],"liveness":{"score":76,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.847,"p_room":0.9,"age_days":50,"expected_fill_days":81,"reasons":["conf:3","velocity","win:mid"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/firmus-technologies-network-architect","json_url":"https://alion.io/job/firmus-technologies-network-architect.json","meta":{"generated_at":"2026-10-31T03:35:21Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":4995,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":63306},"rest":"https://alion.io/mcp/rest/get_company?id=63306"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffirmus-technologies-network-architect"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ffirmus-technologies-network-architect"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ffirmus-technologies-network-architect"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/firmus-technologies-network-architect\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffirmus-technologies-network-architect"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":583049}},{"tool":"search_jobs","arguments":{"company":"firmus.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":583049},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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