> Markdown version of [/jobs/ext/2716675-mobile-core-architect](https://www.wearedevelopers.com/jobs/ext/2716675-mobile-core-architect). 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).

---

# Mobile Core Architect

- **Company:** Oxio Corporation
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, Bash Shell, Communications Protocols, Software Debugging, GPRS Core Networks, Python (Programming Language), Unix Shell, Internetwork Packet Exchange, Signalling Connection Control Part (SCCP), Sniffers, Wireshark, Scripting, Information Technology, OSS/BSS, SIGTRAN, Stream Control Transmission Protocol
- **Published:** September 4, 2026
- **Apply:** https://startup.jobs/senior-mobile-core-architect-oxio-corporation-8375106

## About the Role

* At least 10 years' experience in the core network domain with a mobile networks
 * Holding a BSc degree in Telecommunication or Computer Science (post-graduate studies are a bonus) 10+ years core telecommunications network experience
 * 10+ years of experience with SS7, Sigtran, Diameter, Packet Switched (GGSN/PGw, GTP, GRX, IPX, etc.)
 * Circuit switched communications protocols such as SS7 (including SCCP, TCAP, MAP and CAMEL phases 1 to 4), SCTP (SIGTRAN), Diameter, including ability to design and configure voice and messaging flows
 * Voice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi)Knowledge (general) in Voice Mail, IVR and PBX systems / softphones (secondary)
 * Hands on with sniffers, Wireshark and testing tools in advanced mode
 * Hands on with Linux/Unix based systems (you can find your way around a linux shell)
 * Understanding of 3GPP, ITU-T and ANSI standards
 * Understanding of roaming agreements and IR.21, including IREG testing
 * Online Charging System (OCS) and CAMEL in billing and call control
 * Strong writing and documentation skills are needed to develop reports
 * Adaptability and responding to change
 * Be able to work under pressure
 * You are fluent in English (written and spoken)
 * Ready to work on morning/afternoon shifts
 * Good interaction with external customers and internal teams, * 2+ years scripting experience (Python, Bash, etc.)

## Description

As part of the mobile core team, you will take care of our cloud mobile platform; you will have the following responsibilities:

 * Configuration of STPs, DRAs, HLR/HSS, SMSC, SGSN, GGSN/PGW, SBC, etc. Along with the team, you will be responsible for being able to manage all equipment on our network.
 * Using dashboards (and building new ones) to clearly and quickly discover issues and patterns
 * Accountable and responsible to follow the communications procedures in place when handling an incident. Communication is both internal within our company and external to our third-party providers.
 * Drive the implementation of telecom interconnection in relationship with our providers
 * Maintenance, troubleshooting, security audits, and emergency response
 * Wireshark tracing of critical infrastructure to debug issues
 * Occasional on-call requirements


## Related Videos

- [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone)
- [Code meets connectivity - Developers as the powerhouse of Network API innovation](https://www.wearedevelopers.com/videos/1686-code-meets-connectivity-developers-as-the-powerhouse-of-network-api-innovation)
- [Unleash the power of 5G in your code: transform your apps](https://www.wearedevelopers.com/videos/1567-unleash-the-power-of-5g-in-your-code-transform-your-apps)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [The CAMARA Project: How Telcos Collaborating Improves Developer Experience](https://www.wearedevelopers.com/magazine/671-the-camara-project-how-telcos-collaborating-improves-developer-experience)
- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter)