{"id":3528605,"url":"https://alion.io/job/emnify-staff-mobile-core-signalling-engineer","title":"Staff Mobile Core Signalling Engineer","company":{"id":45942,"name":"Emnify","domain":"emnify.com","url":"https://alion.io/company/emnify","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Mobile","role_family":"Mobile","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Berlin, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":104000,"max_usd":231000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":88},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-10-30T13:48:53Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-10-31T15:14:17Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Your Role\n-Developing and maintaining Core Network services.\n-Working with Diameter, SIGTRAN, SS7 and related signalling technologies.\n-Supporting the onboarding of new connectivity partners and roaming -integrations.\n-Troubleshooting complex signalling and connectivity issues.\n-Designing resilient, highly available services.\nI-mproving load balancing, rate limiting and traffic management capabilities.\n-Driving cloud-native migration initiatives.\n-Contributing to multi-region and disaster recovery designs.\n-Analysing signalling incidents and performance bottlenecks.\n-Developing overload protection and rate-limiting strategies.\n-Improving observability, monitoring and operational readiness of network services.\n-Reducing operational toil through automation.\nYour Impact\n-Reliable connectivity for IoT customers worldwide: Your work keeps signalling and roaming services available, fast and resilient, so customers' devices stay connected across networks.\n-A scalable, cloud-native Core Network: You help move emnify's platform toward multi-region, disaster-resilient and automated operations.\n-Faster incident resolution: Your analysis of signalling incidents and bottlenecks shortens recovery times and prevents repeat failures.\n-Faster partner onboarding: Your expertise speeds up the integration of new connectivity partners and roaming relationships.\n-Less operational toil: Automation and better observability free the team to focus on engineering improvements.\nWhat We Expect\n-Strong background in mobile core networks.\n-Telecom protocol testing and debugging.\n-Experience with telecom vendors and roaming partners.\n-Deep understanding of Diameter, SIGTRAN, SS7, GSM/LTE core concepts and roaming architectures.\n-Experience with HLR, HSS, SMSC, STP, DRA and related components.\n-Experience developing and maintaining network services.\n-Ability to troubleshoot complex signalling and connectivity issues.\n-Experience with load balancing, rate limiting and overload protection.\n-Experience with monitoring, observability and incident analysis.\nI-nterest in automation and reducing operational toil.\nNice to have\n-5G Standalone Core experience.\n-IoT connectivity experience.\n-eSIM / SIM management platform experience.\n-Experience with Kubernetes and cloud-native systems.\n-Good 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