What are the responsibilities and job description for the IMS Core Engineer position at Delta System & Software, Inc.?
Role - IMS Core Engineer
Location - Plano, TX(Day 1 Onsite)
Contract/Full Time
Job Duties and Responsibilities
The 5G Core team is seeking an experienced subject matter expert with demonstrated competence with 4G/5G wireless and IT technologies within the virtualized and cloud-native Core domain.
The core network environment faces increasing complexity as it transitions to cloud-native architectures, requiring a specialist who can navigate intricate 4G and 5G service disruptions. This role solves the problem of prolonged network downtime by providing expert-level diagnostics and resolving Tier 2 and Tier 3 incidents that impact the customer experience. You will bridge the gap between daily network changes and long-term stability by driving root cause analysis and mentoring the wider NOC team. By leveraging advanced monitoring tools and cloud technologies, this position ensures the network remains resilient against emerging technical challenges.
As a 5G Core engineer, you will be helping to define and validate the best Core Network solution architecture for the Dish Wireless 5G ORAN and Cloud Native Network.
This role is ideal for someone with a unique blend of technical expertise, operational excellence, and strong prioritization, facilitation, and communication skills.
In this role, you will:
- Understand best practices for virtualized and cloud-native Core applications for mobile networks
- Resolution of complex Tier 2 and Tier 3 service-impacting events to maintain maximum network uptime and stability.
- Achievement of departmental OKRs by reducing Mean Time to Repair (MTTR) and supporting KPI deviation corrections.
- Implementation of AI-driven diagnostic tools to automate the identification of subscriber-level observations and network anomalies.
- Execution of comprehensive root cause and chronic incident analyses to prevent the recurrence of major network outages.
- Delivery of technical guidance and training sessions to the NOC team to ensure seamless adaptation to daily infrastructure changes.
Core Skills and Competencies (What you’ll bring)
- Advanced expertise in 4G and 5G Core network troubleshooting and call flow analysis.
- Critical experience managing and validating network functions within Kubernetes and cloud-native environments.
- AI Literacy, specifically the ability to apply machine learning insights to network monitoring and predictive maintenance.
- Strong analytical skills for interpreting complex data sets during root cause investigations.
- Professional collaboration skills gained through experience working with Tier 1 and Tier 2 service providers.
Skills, Experience and Requirements
As a successful 5G Core Engineer, you will have:
- Degree in Electrical, Electronics, Computer Science, or Telecommunications Engineering
- 3–8 years of telecom experience in 5G IMS Core and 4G EPC domains (Experience in NOKIA and Oracle products preferred).
- Experience with Messaging/IMS (SIP, SMSC, MMSC, VoLTE/VoNR, RCS) is preferred.
- Hands‑on expertise with Packet Core nodes (5GC EPC) and protocols such GTPV2, GTP‑C/U, PFCP, NAS, Diameter, HTTP/2, SIP.
- Network Operations Tier2 Support
- Excellent interpersonal and leadership skills
- Curious-minded person striving for continuous learning and innovation
- Outstanding verbal and written communication skills
Salary : $45 - $50