{"id":1745656,"url":"https://alion.io/job/experis-argentina-core-network-engineer","title":"Core Network Engineer","company":{"id":3852809,"name":"Experis Argentina","domain":"experis.com.ar","url":"https://alion.io/company/experis-com-ar","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Cornerstone","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Networking","role_family":"Networking","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Argentina"],"countries":["AR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"MPLS","optional":false},{"name":"OSPF","optional":false},{"name":"VLAN","optional":false}],"status":"live","first_seen_at":"2026-09-01T12:00:00Z","employer_posted_date":"2026-10-03","last_verified_at":"2026-10-13T13:17:15Z","board_verified":true,"closed_at":null,"days_open":42,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":42},"description":"Core Network Engineer - Buenos Aires, Argentina At Experis Argentina, we support organizations in their technological transformation processes, connecting specialized talent with strategic telecommunications projects. We are currently seeking a Core Network Engineer to join a highly specialized technical team. Conditions Industry: Telecommunications Work modality: 100% on-site Employment type: Full-time employment with Experis Argentina About the role The position will be responsible for the maintenance of clients' core networks, handling critical incidents, updating network topologies, and defining contingency plans to ensure the operational continuity of the infrastructure.\nResponsibilities Perform preventive and corrective maintenance tasks on core networks. Address and resolve critical network incidents. Design and implement contingency and operational continuity plans. Keep client network documentation and topologies up to date. Troubleshoot and analyze problems in core network environments. Collaborate in the optimization and evolution of network platforms.\nRequirements Minimum of 4 years of experience in core network and cloud technologies. Solid knowledge of: IP Networking , OSPF, MPLS , BGP , VLAN. Experience with virtualization platforms such as FusionSphere. Knowledge of container solutions such as FusionStage. Experience troubleshooting Core topologies and attachment procedures. Knowledge of Core PS nodes: MME, UGW, PGW , HSS/UDM. Key Competencies: Excellent interpersonal communication. Proactive and self-motivated. Analytical and problem-solving skills. Commitment to continuous learning. 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