> Markdown version of [/jobs/ext/4258293-technical-support-engineer-esim-sms-voice](https://www.wearedevelopers.com/jobs/ext/4258293-technical-support-engineer-esim-sms-voice). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Technical support engineer (eSIM, SMS, Voice) - **Company:** T K Engineering Associates, Inc. - **Location:** Atlanta, GA, United States - **Contract:** Permanent contract - **Skills:** 4G (Telecommunication), Bash Shell, Elasticsearch, Python (Programming Language), Log Analysis, Multimedia Messaging Services, Routing, SQL Databases, Grafana, Test Scripts, OSS/BSS, OPUS (Software), Kibana, Splunk, Servicenow - **Published:** October 21, 2026 - **Apply:** https://www.dice.com/job-detail/349db070-d358-4368-b9e1-f6dc6d713f7f ## About the Role · ServiceNow and AOTS for incident/change/problem management · Torch, Kibana/Elasticsearch, Splunk, Grafana for log analysis and dashboarding · Provisioning/order-management and subscriber-care systems used in your BU (e.g., Telegence/OPUS-type platforms - confirm the correct current system names with your BU) · Ericsson RADCOM network tracing tool for Session, Packet layer evaluation familiarization · Basic scripting for reporting/automation (Python, SQL, shell) - preferred, not required Professional skills · Strong written and verbal communication skills, with the ability to communicate effectively with technical teams, business partners, operations teams, and leadership. · Strong troubleshooting mindset with a focus on identifying underlying technical issues rather than simply addressing symptoms. · Curious and proactive, with a willingness to investigate potential problems instead of waiting for issues to be assigned. · Able to identify opportunities to improve processes, service reliability, monitoring, and operational effectiveness. · Ability to translate technical conditions and findings into clear explanations of potential business and subscriber impact. · Comfortable working across multiple technical domains and collaborating with internal teams and external vendors during troubleshooting and incident resolution. · Strong attention to documentation, follow-through, and operational discipline. · Strong sense of ownership and operational curiosity, with a natural drive to investigate services or processes that are not performing as expected and help identify opportunities for improvement. ## Description Role Focus: Hands-on technical support role responsible for device and eSIM provisioning readiness, activation troubleshooting, messaging and voice service operations. Executes assigned work within established operational frameworks, escalating complex or cross-domain issues to more senior technical personnel., · Provisioning & Activation Support - Troubleshoot eSIM/pSIM provisioning, activation, and entitlement failures using established runbooks; document findings and escalate unresolved or systemic issues. · Messaging & Voicemail Operations - Triage 2nd 3rd tier level incident management associated with SMS / MMS delivery concerns including internal Amdocs Notification Manager (ANM ) for service and Marketing messaging concerns. · Resiliency Testing Support - Participate in OCS/DRA resiliency test events; prepare lab connectivity, execute test scripts, and capture results for senior review. · Documentation & Knowledge Base - Maintain MOPs, escalation matrices, technical clarification and troubleshooting guides; contribute content to the Network Community of Practice. Create and/or review knowledge articles for support teas as required for new initiatives and updates. · Monitoring & Reporting - Coordinate building and maintaining dashboards and recurring reports for device, eSIM, messaging, and network-service KPIs; flag anomalies and trends. · Incident Participation - Serve as a technical contributor on bridges; liaison to Cricket Incident Management team and AT&T Operations to represent Cricket, own ticket hygiene, timeline documentation, and follow-up action items. Technology & Systems Familiarity (Ideal Candidate) · eSIM / Device Domain · eSIM architecture and GSMA SGP.22 remote SIM provisioning concepts; SM-DP+ / SM-DS · Entitlement Configuration Server concepts; device entitlement & activation flows · IMEI/TAC validation, device listing, OMA-DM / carrier bundle and config updates · UICC/pSIM fundamentals, OTA SIM updates · OEM device certification lifecycle and lab test execution · Core Network & Charging · Online Charging System (OCS) and Diameter Routing Agent (DRA) · Diameter interfaces (Gy, Gx, S6a) and basic signaling flow interpretation · IMS / VoLTE / VoNR call flows; SIP fundamentals · 4G EPC and 5G SA/NSA core elements (MME/AMF, SGW/SMF, UPF, HSS/UDM) · Messaging & Voice Services · SMSC / MMSC, SMPP, RCS (Universal Profile / Jibe-based delivery)