Note: The job is a remote job and is open to candidates in USA. Raas Infotek is seeking an experienced Customer Experience Engineer to support StarOS-based 4G EPC and PGW mobile packet core platforms. The role is customer-facing and involves deployments, software upgrades, migrations, system testing, troubleshooting, production changes, and coordination with engineering, TAC, deployment, and account teams.
Responsibilities
- Customer Engagement & Technical Ownership
- PGW Deployment & Integration
- Software Upgrade & Migration
- System Test & Solution Validation
- Troubleshooting & Problem Resolution
- Technical Documentation
Skills
- The ideal candidate will have strong hands-on expertise in Client StarOS-based mobility platforms, particularly 4G EPC / PGW, along with extensive experience supporting large-scale service provider environments
- Strong knowledge of 3GPP 4G EPC architecture and hands-on expertise
- Strong understanding of interfaces and protocols
- Strong hands-on experience with Cisco StarOS-based mobility platforms, preferably including:
- ASR 5000 / ASR 5500
- Client Virtualized Packet Core / StarOS virtual platforms, where applicable
- StarOS CLI , PGW configuration
- High availability and redundancy
- StarOS software upgrades
- System monitoring and troubleshooting
- Experience troubleshooting StarOS platform health including:
- CPU and memory
- Card/component status
- Session utilization
- Service utilization
- System alarms
- Crashes
- Bulk statistics
- Logs and traces
- IPv4 / Ipv6, TCP/IP, Routing, VLANs, VRFs, BGP, OSPF, Static routing, ECMP, NAT, DNS, IP addressing and subnetting
- Ability to troubleshoot end-to-end packet flow from the mobile subscriber through the EPC toward external data networks
- The candidate must have strong customer interaction experience and demonstrate:
- Excellent verbal and written communication
- Ability to explain complex technical issues clearly to both engineering and management audiences
- Confidence leading technical discussions with Tier-1 telecom operators
- Ability to manage high-pressure production situations
- Strong ownership and accountability
- Ability to coordinate across geographically distributed teams
- Strong problem-solving and analytical skills
- Ability to prioritize activities during customer-impacting incidents
- Bachelor's or Master's degree in:
- Electronics and Communication Engineering
- Telecommunications or Computer Science or Information Technology or equivalent relevant industry experience
- Approximately 10+ years of telecom / mobile packet core experience
- At least 5+ years of hands-on experience with Client StarOS mobility platforms is highly desirable
- Extensive experience with 4G EPC / PGW deployments
- Experience supporting large Tier-1 or Tier-2 telecom service providers
- Hands-on experience performing production software upgrades
- Experience executing complex network changes during maintenance windows
- Experience troubleshooting live subscriber-impacting issues
- Experience working with TAC, engineering, development, and system-test organizations
- Experience with large subscriber-scale mobile networks
- 5G NSA architecture
- 5G Core / UPF
- CUPS
- Virtualized packet core
- Cloud-native mobile core
- VMware / OpenStack / Kubernetes environments
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