Senior Core Network Solution Architect

4 hours, 33 minutes ago
Full-time
Senior
DevOps and Infrastructure
Airalo

Airalo

Airalo is the world's first eSIM store offering travelers access to eSIMs in 200+ countries & regions at affordable prices. With Airalo, travelers can manage their eSIMs, top up on the go, and enjoy pain-free connectivity while traveling. Say goodbye t...

Airlines
51-250
Founded 2019
$67M raised

Description

  • Own the High-Level Design (HLD) and Low-Level Design (LLD) for core network services.
  • Ensure seamless integration between Packet Core (EPC/5GC) and IMS domains.
  • Lead the technical rollout of VoLTE roaming (S8HR) and SMSoIP strategies.
  • Design and optimize data session flows, including Local Breakout and Home Routed architectures, to reduce latency.
  • Lead technical discussions with IPX/GRX providers and equipment vendors to determine the best architectural approach.
  • Act as the subject matter expert for the transition from 4G to 5G Standalone (SA) and the deployment of Service-Based Architecture (SBA).
  • Bridge business requirements and technical execution for global network services.
  • Lead acceptance testing (ATP) and technical workshops with external stakeholders to ensure solutions are implemented to specification.

Requirements

  • Extensive experience in core network architecture within a Tier 1 carrier, MVNO, or major vendor environment.
  • Deep understanding of IMS architecture and its interaction with EPC/5GC for VoLTE and SMS services.
  • Expert-level knowledge of SIP, Diameter, and GTP signalling.
  • Strong understanding of IPX/GRX connectivity and BGP/DNS logic (S-NAPTR) for global network discovery.
  • Ability to architect signalling paths for global roaming.
  • Experience leading acceptance testing (ATP) and technical workshops with external stakeholders.
  • Experience with Cloud Native Network Functions (CNF) and deploying core elements in AWS, GCP, or Azure is a plus.
  • Knowledge of 5G slicing and its application to specialized data services is a plus.
  • Previous experience in an MVNE/MVNO environment during a high-growth phase is a plus.

Benefits

  • Fully remote work.
  • Generous PTO.
  • Wellness allowance.
  • Learning allowance.
  • Annual Airalo Away retreat.
  • Opportunity to work on a product with global impact and real-world scale.
  • Equal-opportunity workplace with diversity, equity, and inclusion commitments.
  • Reasonable accommodations available during the interview process.

Interested in this position?

Apply directly on the company website

Apply Now

Similar Roles

Senior Network Engineer (AWS Focus)

CXM Direct 51-250 Capital Markets

CXM Group is hiring a Senior Network Engineer to design, secure, and optimize hybrid cloud and AWS-based network infrastructure that supports high availability, scalability, and performance.

AWS Bash CloudFormation DHCP DNS Kubernetes Nagios Python TCP/IP Terraform
1 hour, 3 minutes ago

GCP Network Architect

49 Solutions 11-50 Professional Services

Shared Services Canada is hiring a Level 3 GCP Network Architect to support its Cloud Hosting Branch and lead cloud networking, migration, and architecture work for government cloud environments.

GCP Kubernetes Scrum
1 hour, 33 minutes ago

Senior Technical Consultant - Network Security

AHEAD 1K-5K IT Services

AHEAD is seeking a Senior Technical Consultant to support a Fortune client’s large-scale data center migration, focusing on network security and firewall delivery in a remote, client-facing role.

1 hour, 48 minutes ago

Senior Network Engineer

Your Business Diversified Financial Services

Remote Network Engineer at a client supporting production-critical enterprise network infrastructure, responsible for keeping routing, switching, and firewall systems stable and secure.

Cisco Network Security Palo Alto
2 hours, 18 minutes ago

You're on a roll! Sign up now to keep applying.

Sign Up

Already have an account? Log in

Used by 14,729+ remote workers