{"id":1249276,"url":"https://alion.io/job/starhub-network-engineer","title":"Network Engineer","company":{"id":49913,"name":"StarHub","domain":"starhub.com","url":"https://alion.io/company/starhub","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"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":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":32000,"max_usd":68000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":16},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Incident Management","optional":false},{"name":"ITIL","optional":false},{"name":"ITSM","optional":false},{"name":"ServiceNow","optional":false},{"name":"VLAN","optional":false},{"name":"Wi-Fi","optional":false}],"status":"live","first_seen_at":"2026-09-22T16:00:00Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-23T15:45:06Z","board_verified":true,"closed_at":null,"days_open":31,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":31},"description":"Job Description\nThis role will be based at client site. Network Engineer is responsible for supporting and maintaining mission-critical Wireless network infrastructure. The role involves troubleshooting, maintenance, incident response, preventive maintenance, implementation activities, vendor coordination, and support for large-scale wireless environments operating in a 24/7 environment.\nJob Responsibilities\nSupport day-to-day operations of wireless infrastructure including Cisco Wireless solutions, Aruba solutions, switches, firewalls, captive portals, and authentication systems.\nPerform troubleshooting for Wireless connectivity issues, DNS, DHCP, captive portal access, OTP login issues, VLAN routing, authentication failures, and internet access problems.\nManage service technical escalations and support major incident troubleshooting during service disruptions.\nSupport preventive maintenance, firmware upgrades, patching, and technology refresh activities for wireless and network infrastructure.\nSupport WLC upgrade activities including Access Point image updates, failover testing, rollback planning, and validation activities.\nWork closely with vendor TAC such as Cisco TAC and Aruba TAC for issue analysis and problem resolution.\nPerform root cause analysis (RCA) and prepare incident reports, technical findings, and preventive recommendations.\nSupport implementation activities including Access Point deployment, switch replacement, firewall migration, SSL certificate updates, and network migrations.\nCoordinate with stakeholders, vendors, contractors, and facility management teams during maintenance and implementation activities.\nSupport testing activities such as congestion testing, failover testing, WiFi roaming optimization, and POE/network validation.\nMonitor infrastructure health using tools such as Catalyst Center, AirWave, SevOne, LogicMonitor, NetAlly.\nFluent in ITSM Incident, Change Management, Service Request platforms such as ServiceNow.\nMaintain technical documentation including install plans, diagrams, inventory records, validation evidence, and maintenance reports.\nSupport after-office-hour maintenance windows, standby support, and emergency troubleshooting activities.\nEnsure compliance with operational governance, safety requirements, and change management procedures.\nQualifications\nDiploma or Degree in Information Technology, Computer Engineering, Network Engineering, or related field.\nMinimum 3-5 years of hands-on experience in network and wireless infrastructure support.\nStrong knowledge of:\nCisco Wireless LAN Controllers (WLC)\nAruba Wireless solutions\nSwitching and routing technologies\nFirewalls and network security concepts\nDNS, DHCP, VLANs, and authentication systems\nExperience with monitoring and management tools such as:\nCisco Catalyst Center\nAirWave\nSevOne\nServiceNow\nFamiliarity with incident management, RCA preparation, and maintenance support processes.\nExperience supporting enterprise or mission-critical environments is an advantage.\nGood troubleshooting, communication, and stakeholder coordination skills.\nAbility to work independently and support after-hours maintenance activities when required.\nPreferred Certifications\nCisco Certified Network Associate (CCNA)\nCisco Certified Network Professional (CCNP)\nAruba Certified Mobility Associate/Professional\nITIL Foundation Certification\nWork Arrangement\nOnsite support role\nMay require standby support, shift work, and after-office-hour maintenance activities depending on operational 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