{"id":3293219,"url":"https://alion.io/job/codeforce-technical-support-engineer-voip-pbx","title":"Technical Support Engineer VoIP PBX","company":{"id":4478664,"name":"CodeForce","domain":"codeforce.com","url":"https://alion.io/company/codeforce-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Support","role_family":"Support","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_payroll_markers","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["PK"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Linux","optional":false},{"name":"TCP/IP","optional":false},{"name":"Windows","optional":false},{"name":"Freshdesk","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Rest API","optional":true},{"name":"Wireshark","optional":true}],"status":"live","first_seen_at":"2026-10-25T02:24:42Z","employer_posted_date":null,"last_verified_at":"2026-10-25T02:24:42Z","board_verified":false,"closed_at":null,"days_open":6,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":6},"description":"We are seeking a Technical Support Engineer to provide high-quality technical support to customers using our telecommunications, VoIP, hosted PBX, networking, and software platforms.\nThe ideal candidate has strong troubleshooting skills, excellent communication, and the ability to investigate technical issues across multiple systems. This position will work directly with customers as well as internal engineering, network, and development teams.\nKey ResponsibilitiesCustomer Technical Support\nProvide Level 1–2 technical support by phone, email, ticketing system, and remote sessions.\n\nTroubleshoot customer issues involving VoIP, SIP, hosted PBX, phones, SMS, networking, and software.\n\nDiagnose problems by gathering logs, reproducing issues, and analyzing system behavior.\n\nClearly communicate technical solutions to customers with different levels of technical knowledge.\n\nMaintain ownership of tickets from initial report through resolution.\n\nEscalate complex issues to Level 2/3 engineering when necessary.\n\nVoIP & Telecommunications\nTroubleshoot SIP registration, inbound/outbound calling, caller ID, DTMF, codecs, audio quality, and call routing.\n\nTroubleshoot hosted PBX features including IVR, ring groups, queues, voicemail, call forwarding, and time conditions.\n\nTroubleshoot SIP phones and endpoints, including provisioning and configuration.\n\nInvestigate one-way audio, no audio, dropped calls, failed calls, and call-quality problems.\n\nUnderstand SIP signaling and RTP media flows.\n\nNetworking\nTroubleshoot basic LAN/WAN, DHCP, DNS, NAT, firewall, and port-forwarding issues.\n\nDiagnose connectivity and latency problems.\n\nUnderstand TCP/IP, UDP, VLANs, and common networking concepts.\n\nWork with customer IT personnel to resolve network-related VoIP issues.\n\nSystems & Software\nReview application and server logs to identify problems.\n\nUse command-line tools for troubleshooting when appropriate.\n\nWork with Linux-based systems and common troubleshooting utilities.\n\nAssist engineering teams with identifying software bugs and technical issues.\n\nDocument recurring problems and develop knowledge-base articles and troubleshooting procedures.\n\nRequirements\n5+ years of experience in technical support, IT support, telecommunications, networking, or a related field.\n\nStrong troubleshooting and analytical skills.\n\nWorking knowledge of TCP/IP networking.\n\nExperience troubleshooting Windows and/or Linux systems.\n\nBasic understanding of DNS, DHCP, NAT, VPNs, and firewalls.\n\nStrong customer-service and communication skills.\n\nAbility to work independently and manage multiple support tickets.\n\nAbility to document technical issues clearly and accurately.\n\nPreferred Qualifications\nExperience with VoIP, SIP, hosted PBX, or telecommunications.\n\nExperience with FreeSWITCH, Asterisk, FusionPBX, or similar platforms.\n\nExperience with SIP phones such as Yealink, Poly, Grandstream, or Cisco.\n\nExperience with Wireshark or SIP packet captures.\n\nKnowledge of RTP and VoIP codecs.\n\nLinux administration experience.\n\nExperience with PostgreSQL or other databases.\n\nExperience using APIs and REST services.\n\nFamiliarity with monitoring and logging platforms.\n\nExperience with Freshdesk, Zendesk, or similar ticketing systems.\n\nOriginally posted on Himalayas","description_format":"text","description_chars":3265,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Pakistan","iso":"PK","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-26T20:30:00Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring 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