{"schemaVersion":"jobsearcher.job.v1","id":"c07acde2b6d7beb107bb0e02","url":"https://jobsearcher.com/jobs/c07acde2b6d7beb107bb0e02","canonicalUrl":"https://jobsearcher.com/jobs/c07acde2b6d7beb107bb0e02","title":"Core Network Engineer","description":"Defining the future of work & living globallyAt Airalo, we're making it easier for people to stay connected wherever they travel. As the world's first eSIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world.\r\nToday, we're a team of 400+ people across 60+ countries, building a product used by travelers every day. We've grown quickly, but we've worked hard to keep what matters: trust, ownership, and the freedom for people to do great work without unnecessary layers or bureaucracy.\r\nWe're fully remote by design, genuinely global, and united by a shared mission to make travel simpler for everyone.\r\nLanguages:English is our main working language day to day, so you'll need to be comfortable communicating in it both in meetings and async.\r\nYour main responsibilities will be:Designing the IP infrastructure of our multi-site data centers\r\nDesigning the GRX/IPX interconnectivity and global PoP structure to access mobile partner networks\r\nDefining the WAN network strategy\r\nLeading and realization of the data centre LAN and WAN networks, specifically the configuration of DRAs, GTPs, GGSN/PGW, SBC, FW, Routers\r\nIntegrating direct roaming agreements and sponsored roaming agreements\r\nTracing of signalling and user plane transport for debug issues\r\nActing as a primary interface between the Core Network team and Airalo’s Platform team, Airalo’s Network Operations team and technology partners (vendors, roaming partners)\r\nCore network optimisation and enhancement\r\nSupports the operations team in regards to:\r\nDeployments and rollouts\r\nPerformance improvements\r\nPerform trainings\r\nSupporting the partner’s operations team\r\nWhat You'll BringTechnical Degree in Engineering or Telecommunications preferred or equivalent experience demonstrated\r\n3 - 5 years minimum relevant experience in the telecom core field\r\n3+ years experience with network elements such as: Packet Gateway GGSN/PGW/DPI, direct and sponsored roaming (HLR/HSS), diameter routing and GTP, GRX\r\n3+ years experience with these protocols; Sigtran: MAP (Mobile Application Protocol), Sigtran: CAP (Camel 1-3), Diameter (Ro, Gx, Gy, Gn, Gi), REST API, BGP\r\nExcellent verbal and written communication skills\r\nBonus PointsIREG Testing experience is preferred\r\nInternational working experience is ideal\r\nWhy People Join UsWe started Airalo to make staying connected effortless, wherever you are in the world. Today, millions of travelers rely on our eSIMs, and many of the people building the product were customers first.\r\nOur team spans 60+ countries, united by a shared belief that great work happens when people are trusted to own what you do. There's trust to own what you do, space to focus without constant layers of process, and a clear sense of what you're responsible for from day one.\r\nAs Airalo continues to grow, so do the opportunities to learn, take on new challenges, and make a real impact - from anywhere in the world.\r\nBefore You Hit ApplyBy applying, you acknowledge and agree that, in case of successful application, Airalo may request to run background checks as a condition for entering into an agreement with you. Rest assured that these checks will only occur upon your prior consent and at the end of the selection process, and will be strictly limited to what is allowed under the laws that are applicable to you. All data that you share or that we collect in connection with such checks will be processed in accordance with our Privacy Policy, available here: www.airalo.com/more-info/privacy-policy?srsltid=AfmBOooBT0rXAj1FaNelZ3VfN0wvhwzvAoxdtHnOKSVETpiSjiXVuycy We sincerely thank all applicants in advance for submitting their interest in this opportunity. Airalo is an equal-opportunity employer and values diversity, equity & inclusion. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to providing reasonable accommodations upon request for individuals with disabilities throughout our job interview process.#J-18808-Ljbffr","company":"Remote","rawCompany":"remote","city":"Millbrae","state":"CA","isRemote":false,"isActive":true,"createdAt":"2026-11-13T01:30:38.052Z","occupations":[{"code":"15-1241.00","title":"Computer Network Architects","slug":"computer-network-architects"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"}],"industries":[{"code":"517810","title":"All Other Telecommunications","slug":"all-other-telecommunications"},{"code":"517112","title":"Wireless Telecommunications Carriers (except Satellite)","slug":"wireless-telecommunications-carriers-except-satellite"},{"code":"517111","title":"Wired Telecommunications Carriers","slug":"wired-telecommunications-carriers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Core Network Engineer","description":"Defining the future of work & living globallyAt Airalo, we're making it easier for people to stay connected wherever they travel. As the world's first eSIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world.\r\nToday, we're a team of 400+ people across 60+ countries, building a product used by travelers every day. We've grown quickly, but we've worked hard to keep what matters: trust, ownership, and the freedom for people to do great work without unnecessary layers or bureaucracy.\r\nWe're fully remote by design, genuinely global, and united by a shared mission to make travel simpler for everyone.\r\nLanguages:English is our main working language day to day, so you'll need to be comfortable communicating in it both in meetings and async.\r\nYour main responsibilities will be:Designing the IP infrastructure of our multi-site data centers\r\nDesigning the GRX/IPX interconnectivity and global PoP structure to access mobile partner networks\r\nDefining the WAN network strategy\r\nLeading and realization of the data centre LAN and WAN networks, specifically the configuration of DRAs, GTPs, GGSN/PGW, SBC, FW, Routers\r\nIntegrating direct roaming agreements and sponsored roaming agreements\r\nTracing of signalling and user plane transport for debug issues\r\nActing as a primary interface between the Core Network team and Airalo’s Platform team, Airalo’s Network Operations team and technology partners (vendors, roaming partners)\r\nCore network optimisation and enhancement\r\nSupports the operations team in regards to:\r\nDeployments and rollouts\r\nPerformance improvements\r\nPerform trainings\r\nSupporting the partner’s operations team\r\nWhat You'll BringTechnical Degree in Engineering or Telecommunications preferred or equivalent experience demonstrated\r\n3 - 5 years minimum relevant experience in the telecom core field\r\n3+ years experience with network elements such as: Packet Gateway GGSN/PGW/DPI, direct and sponsored roaming (HLR/HSS), diameter routing and GTP, GRX\r\n3+ years experience with these protocols; Sigtran: MAP (Mobile Application Protocol), Sigtran: CAP (Camel 1-3), Diameter (Ro, Gx, Gy, Gn, Gi), REST API, BGP\r\nExcellent verbal and written communication skills\r\nBonus PointsIREG Testing experience is preferred\r\nInternational working experience is ideal\r\nWhy People Join UsWe started Airalo to make staying connected effortless, wherever you are in the world. Today, millions of travelers rely on our eSIMs, and many of the people building the product were customers first.\r\nOur team spans 60+ countries, united by a shared belief that great work happens when people are trusted to own what you do. There's trust to own what you do, space to focus without constant layers of process, and a clear sense of what you're responsible for from day one.\r\nAs Airalo continues to grow, so do the opportunities to learn, take on new challenges, and make a real impact - from anywhere in the world.\r\nBefore You Hit ApplyBy applying, you acknowledge and agree that, in case of successful application, Airalo may request to run background checks as a condition for entering into an agreement with you. Rest assured that these checks will only occur upon your prior consent and at the end of the selection process, and will be strictly limited to what is allowed under the laws that are applicable to you. All data that you share or that we collect in connection with such checks will be processed in accordance with our Privacy Policy, available here: www.airalo.com/more-info/privacy-policy?srsltid=AfmBOooBT0rXAj1FaNelZ3VfN0wvhwzvAoxdtHnOKSVETpiSjiXVuycy We sincerely thank all applicants in advance for submitting their interest in this opportunity. Airalo is an equal-opportunity employer and values diversity, equity & inclusion. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to providing reasonable accommodations upon request for individuals with disabilities throughout our job interview process.#J-18808-Ljbffr","datePosted":"2026-11-13T01:30:38.052Z","dateModified":"2026-11-13T01:30:38.052Z","hiringOrganization":{"@type":"Organization","name":"Remote","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"c07acde2b6d7beb107bb0e02"},"url":"https://jobsearcher.com/jobs/c07acde2b6d7beb107bb0e02"}}