Senior Roaming Engineer Jobs (NOW HIRING)

Director of Engineering is a high-impact senior leadership role, responsible for the end-to- end cellular engineering, including mobile network (core and RAN) management as well as deployment and technical management of innovative wholesale solutions in a secure, effective, scalable and commercially viable manner, to customers across the world.

This role manages and leads a geographically dispersed multidisciplinary engineering team covering IP, 4G/LTE, IMS, 5G NSA/SA, NTN, SIM/eSIM, BSS/billing as well as global roaming and wholesale.

Leadership & Management:

• Build, mentor and manage a high-performing engineering team across multiple disciplines.

• Foster a collaborative and accountable engineering culture.

• Lead recruitment, onboarding and performance management activities.

• Ensure engineering staff are trained and aligned with organizational priorities.

Planning:

• Develop and execute engineering roadmap aligned with business goals.

• Ensure engineering capacity planning and utilization across projects and operations.

• Coordinate cross-functional engineering initiatives with internal and external stakeholders.

Projects:

• Technical ownership of solution deployment for contracted wholesale customers as well as relevant internal projects.

• Establish and enforce standard deployment patterns, reference architectures, and baseline configurations for core, RAN, roaming, and wholesale solutions.

• Develop and review HLDs, LLDs, implementation plans and acceptance test plans.

• Ensure production readiness and operational acceptance of all deployments.

• Coordinate with vendors and partners during integration and deployment activities.

Operations & Support:

• Oversee design, deployment, optimization and operations of mobile core and radio access network systems.

• Manage and maintain LTE/5G core network components including MME, SGW, PGW, AMF, SMF, UPF, UDM, AUSF, PCF, NRF and SEPP.

• Ensure high availability and resilience of IMS infrastructure supporting VoLTE and VoNR.

• Manage roaming infrastructure, TAP/BCE billing and settlement integrations.

• Oversee SIM/eSIM lifecycle management and OTA platforms.

• Lead troubleshooting and root cause analysis for production issues.

• Coordinate with NOC and Tier-2 support teams for issue resolution and escalation handling.

Organizational Development:

• Contribute to technology roadmap and long-term architecture planning.

• Evaluate new technologies, vendors and platforms to support business growth.

• Drive automation initiatives for deployment, monitoring and operational efficiency.

• Ensure scalability and future-readiness of engineering systems.

Governance & Documentation:

• Maintain technical documentation, network diagrams, SOPs and runbooks.

• Ensure compliance with security policies, regulatory requirements and operational standards.

• Participate in change management and incident management processes.

Desired Expertise & Experience:

• Bachelor’s or Master’s degree in Computer Engineering, Telecommunications, Electrical Engineering or related field.

• 8–12+ years of experience in the mobile telecommunications industry.

• Strong hands-on experience with LTE/5G core network technologies.

• Experience with MVNO/MNO wholesale environments.

• Experience managing geographically distributed engineering teams.

• Strong understanding of IP networking, routing and telecom infrastructure.

• Experience with vendor management and telecom solution integration.

• Familiarity with cloud-native telecom deployments and virtualization technologies.

• Excellent communication, analytical and organizational skills.

Desired Personality:

• Entrepreneurial and self-starter mindset.

• Comfortable working in fast-paced startup environments.

• Strong leadership and relationship management capabilities.

• Analytical thinker with excellent problem-solving skills.

Residence Requirement:

• Candidate should preferably reside in or be willing to relocate to Richardson, Texas.

Measurement:

Based on a combination of factors including number of new customer projects successfully deployed, speed of resolution of support issues, training, technical management of a wholesale customer projects etc.