{"id":550935,"url":"https://alion.io/job/cerebras-systems-network-security-engineer","title":"Network Security Engineer","company":{"id":31,"name":"Cerebras Systems","domain":"cerebras.ai","url":"https://alion.io/company/cerebras-systems","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":85,"open_postings":119,"ghost_share":0.168,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":93,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sunnyvale, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":174000,"max_usd":336000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1306},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Cerebras","optional":false},{"name":"Cloudflare","optional":false},{"name":"DNS","optional":false},{"name":"GitOps","optional":false},{"name":"HPC","optional":false},{"name":"OpenAI","optional":false},{"name":"Python","optional":false},{"name":"TCP/IP","optional":false},{"name":"Terraform","optional":false},{"name":"VPN","optional":false},{"name":"Wi-Fi","optional":false}],"status":"live","first_seen_at":"2026-09-08T13:41:27Z","employer_posted_date":"2026-09-08","last_verified_at":"2026-10-25T13:12:28Z","board_verified":true,"closed_at":null,"days_open":47,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":46},"description":"Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. This architecture allows Cerebras to deliver industry-leading training and inference speeds; over 10 times faster than GPU-based hyperscale cloud inference services. \nThis order of magnitude increase in speed is transforming the user experience of AI applications, unlocking real-time iteration and increasing intelligence via additional agentic computation.\nCerebras works with the leading model labs, global enterprises, and cutting-edge AI-native startups. OpenAI recently announced a multi-year partnership with Cerebras, to deploy 750 megawatts of scale, transforming key workloads with ultra high-speed inference.\nCerebras is seeking a Network Security Engineer to build, operate, and secure the network infrastructure supporting our data centers, cloud environments, corporate network, and AI systems.\nThis is a hands-on individual contributor role based in Sunnyvale, CA, with regular on-site work in our data centers. You will work across network security and network operations, supporting firewalls, segmentation, routing and switching, network access, and automation.\nResponsibilities\nOperate firewalls, ACLs, segmentation, and network security controls across data center, corporate, and AWS environments.\n\nSupport hands-on data center network operations, including deployment, configuration, troubleshooting, maintenance, and lifecycle management.\n\nImplement and maintain segmentation, firewall, and ACL policies across corporate, compute, customer, and infrastructure environments.\n\nManage inbound and outbound network controls, including public exposure, NAT, load balancers, DNS filtering, proxies, and egress policies.\n\nImplement and operate VPN, ZTNA, NAC, Wi-Fi, and vendor or partner connectivity.\n\nPerform recurring firewall rule reviews, segmentation audits, and remediation of unnecessary network exposure.\n\nAutomate network and security workflows using Terraform, Ansible, GitOps, Python, and policy as code.\n\nSupport network telemetry, detection, investigation, and containment in partnership with Security Operations.\n\nTroubleshoot routing, switching, TCP/IP, DNS, TLS, and cloud networking issues.\n\nMaintain network architecture documentation, procedures, and runbooks.\n\nSkills and Qualifications\n7+ years of experience in network security, network engineering, cloud security, or infrastructure security.\n\nStrong hands-on experience with firewalls, ACLs, segmentation, routing, switching, VPNs, and network troubleshooting.\n\nExperience operating data center and on-premises network infrastructure.\n\nExperience with AWS networking, including VPCs, transit gateways, security groups, and load balancers.\n\nExperience with Palo Alto, Juniper, Cloudflare, or similar platforms.\n\nProficiency with Terraform, Ansible, Python, GitOps, or similar automation tools.\n\nStrong understanding of ZTNA, NAC, egress controls, TCP/IP, DNS, and TLS.\n\nStrong written communication and documentation skills.\n\nAbility to work regularly on-site in Sunnyvale, CA and perform hands-on work in data center environments.\n\nRelevant Experience\nExperience in several of the following is valuable:\nAI, HPC, or large-scale compute environments.\n\nData center networking and security.\n\nAWS network security and segmentation.\n\nZTNA and VPN architectures.\n\nDNS filtering, SWG, proxy, or SASE platforms.\n\nVendor and partner connectivity.\n\nPublic exposure and attack surface remediation.\n\nNetwork detection and incident response.\n\nWhy Join Cerebras\nPeople who are serious about software make their own hardware. At Cerebras, we have built a breakthrough architecture that is unlocking new opportunities for the AI industry. With dozens of model releases and rapid growth, we’ve reached an inflection point in our business. Members of our team tell us there are five main reasons they joined Cerebras:\nBuild a breakthrough AI platform beyond the constraints of the GPU.\n\nPublish and open source their cutting-edge AI research.\n\nWork on one of the fastest AI supercomputers in the world.\n\nEnjoy job stability with startup vitality.\n\nOur simple, non-corporate work culture that respects individual beliefs.\n\nFind out more about what it's like to work at Cerebras here!\nApply today and become part of the forefront of groundbreaking advancements in AI!\nCerebras Systems is committed to creating an equal and diverse environment and is proud to be an equal opportunity employer. We celebrate different backgrounds, perspectives, and skills. We believe inclusive teams build better products and companies. We try every day to build a work environment that empowers people to do their best work through continuous learning, growth and support of those around them.\nThis website or its third-party tools process personal data. For more details, click here to review our CCPA disclosure notice.","description_format":"text","description_chars":4856,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Servers & Data Center Hardware","AI Compute & Inference","AI Chips & Accelerators"],"lifecycle":[{"event":"open","at":"2026-09-08T15:16:17Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 43 · green card filings: 5","filings_12m":43,"filings_prev_12m":27,"green_card_filings_12m":5,"median_offered_wage_usd":200938,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":2}],"liveness":{"score":64,"band":"ok","label":"Likely open","p_open":1,"p_active":0.888,"p_room":0.72,"age_days":46,"expected_fill_days":93,"reasons":["conf:0","velocity","win:mid","crowd:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/cerebras-systems-network-security-engineer","json_url":"https://alion.io/job/cerebras-systems-network-security-engineer.json","meta":{"generated_at":"2026-10-25T14:06:38Z","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":20187,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":31},"rest":"https://alion.io/mcp/rest/get_company?id=31"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcerebras-systems-network-security-engineer"},{"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%2Fcerebras-systems-network-security-engineer"},{"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%2Fcerebras-systems-network-security-engineer"},{"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/cerebras-systems-network-security-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcerebras-systems-network-security-engineer"}]}