{"id":1507328,"url":"https://alion.io/job/timo-senior-network-engineer","title":"Senior Network Engineer","company":{"id":49439,"name":"Timo","domain":"timo.vn","url":"https://alion.io/company/timo","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"C","score":63,"open_postings":13,"ghost_share":0.615,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-30T05:45:00Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ho Chi Minh City, Vietnam"],"countries":["VN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":14000,"max_usd":35000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":359},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"FortiGate","optional":false},{"name":"MPLS","optional":false},{"name":"OSPF","optional":false},{"name":"PCI DSS","optional":false},{"name":"VPN","optional":false},{"name":"Platform Engineering","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-09-29T10:09:19Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-09-30T15:46:22Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"We are looking for a Senior Network Engineer (L3) to take full technical ownership of our physical Data Centre (DC) operations, enterprise network routing, and perimeter network security. Following our infrastructure restructuring, this role focuses deeply on DC-to-DC connectivity, high-availability switching/routing, FortiGate firewall management, and supporting regular regulatory network drills (SBV & PCI DSS). Reporting to the Head of Infrastructure, you will ensure zero-downtime operations for core network pathways.\nWhat You Will Do\nData Centre & Network Operations: Own end-to-end management of physical Data Centre (DC) network devices, racks, structured cabling, WAN links, and hardware maintenance schedules.\n\nEnterprise Routing & Switching: Maintain and optimize core routing and switching topologies (BGP, OSPF, VLANs, VXLAN, Spanning Tree) across Data Centers, Hangout/office sites, and cloud edge connectivity.\n\nPerimeter Security & Firewalls: Execute firewall policy definitions, NAT/VPN configurations, and zero-downtime firmware upgrades for FortiGate enterprise firewalls and Network Access Control (NAC).\n\nNetwork DR & Regulatory Drills: Orchestrate cross-site network failover strategies and execute regular Disaster Recovery (DC-DR) network drills in compliance with State Bank of Vietnam (SBV) regulations (RTO < 2 hours).\n\nSSL & Payment Certificate Management: Manage annual VISA ACS and SSL/TLS certificate renewals to ensure seamless network transaction processing without service errors.\n\nL3 Escalation & Helpdesk Support: Serve as the Level-3 escalation point for complex network/connectivity incidents forwarded from internal IT Helpdesk specialists.\n\nWhat We Are Looking For\nMust-have\n3-5 years of hands-on experience in enterprise network engineering, Data Centre operations, and network security.\n\nSolid expertise in FortiGate Firewalls (FortiOS), IPsec VPNs, NAT, and Network Access Control (NAC).\n\nStrong mastery of core networking protocols: BGP, OSPF, MPLS, VLANs, Subnetting, and Spanning Tree.\n\nDirect hands-on experience in managing physical Data Centre hardware, ISP links, and cross-connects.\n\nProven track record in executing zero-downtime maintenance and network DR failover drills.\n\nFamiliarity with PCI DSS network compliance mandates and SBV regulatory standards.\n\nNice to have\nRelevant certifications: Fortinet NSE 4/7, CCNP Enterprise/Security.\n\nBasic scripting (Python/Bash) for network monitoring automation.\n\nWhy Join Us\nDefine the engineering foundations behind one of Vietnam’s leading digital banks.\n\nWork alongside Kredivo Group’s regional Platform Engineering team (Vietnam, Indonesia, Singapore).\n\nHybrid model: 4 days HCMC office, 1 day work from home.","description_format":"text","description_chars":2713,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Indonesia","iso":"ID","kind":"country"},{"name":"Vietnam","iso":"VN","kind":"country"},{"name":"Singapore","iso":"SG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-30T06:26:28Z"}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":23,"reasons":["conf:9","win:early"],"computed_at":"2026-10-01T00:58:20Z"},"pay":null,"html_url":"https://alion.io/job/timo-senior-network-engineer","json_url":"https://alion.io/job/timo-senior-network-engineer.json","meta":{"generated_at":"2026-10-01T00:58:20Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":713,"day_limit":5000,"remaining_today":4287,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}