E2E Telco Engineer

About the Role

AST SpaceMobile is building the first global cellular broadband network in space, designed to operate directly with standard, unmodified mobile devices. Our mission is to eliminate connectivity gaps for today’s five billion mobile subscribers and bring broadband to the billions who remain unconnected. We are seeking a Service Engineer - Level 2 Telco RAN E2E Engineer to ensure end-to-end service stability and performance across satellite-to-mobile services.

Responsibilities

• Analyze service degradation or outages across multiple network domains, including satellite payload, RAN, gateway, core network, transport, and OSS.
• Assess customer and service impact from an end-to-end perspective, identifying cross-domain dependencies and failure points.
• Correlate alarms, KPIs, logs, and incident timelines to determine end-to-end service behavior.
• Lead technical troubleshooting for complex incidents requiring multi-domain coordination.
• Identify root causes spanning more than one network domain and guide corrective actions.
• Validate fixes and mitigations to ensure full end-to-end service restoration.
• Work closely with AST NOC Telco Engineers and Nokia Managed Services NOC Engineers to guide triage, troubleshooting depth, and escalation decisions.
• Provide technical direction to PSC Agents for accurate customer updates and incident status.
• Participate in major incident bridges, restoration reviews, and technical war rooms as required.
• Validate end-to-end service flows, including attach, session establishment, mobility, throughput, and persistence.
• Ensure service performance meets defined SLA, KPI, and regulatory requirements.
• Support acceptance of restored services before formal incident closure.
• Contribute to incident RCA inputs, end-to-end failure analysis, and service improvement recommendations.
• Maintain technical documentation related to service flows, dependencies, and known failure scenarios.
• Support Service Assurance governance processes, audits, and operational readiness reviews.
• Produce end-to-end incident analysis, troubleshooting inputs, service restoration validation, RCA technical contributions, and documentation supporting service stability and operational maturity.

Qualifications

• Education: Bachelor's degree in Telecommunications, Electronics & Communication Engineering, Electrical Engineering, or a related technical field.
• Experience: 5-8 years in telecom operations, service assurance, NOC engineering, or network troubleshooting roles.
• Proven experience troubleshooting cross-domain issues in mobile, satellite, or hybrid telecom environments.
• Strong understanding of end-to-end telecom architecture covering RAN, core, transport, OSS, and satellite systems.
• Hands-on experience analyzing KPIs, alarms, logs, and traces across multiple domains.
• Knowledge of signaling, session management, mobility, and service continuity concepts.
• Ability to reason across system boundaries rather than isolated components.

Preferred Qualifications

• Advanced telecom or networking certifications.
• Experience supporting 4G/5G, NTN, satellite-integrated networks, or carrier-grade services.

Skills

• Strong analytical and problem-solving mindset with an end-to-end perspective.
• Excellent communication skills to translate complex technical findings into actionable guidance.
• Ability to operate calmly and decisively during high-severity incidents.
• Strong collaboration skills across Service Assurance, NOC, Managed Services, and engineering teams.

Technology Stack

• OSS/NMS platforms and monitoring dashboards.
• ITSM and incident management tools (ServiceNow, Remedy, Jira Service Management, or equivalent).
• KPI visualization and analysis tools (Grafana, Power BI, or similar).
• Log analysis and diagnostic tools across RAN, core, and transport layers.

Physical Requirements

• Ability to lift up to 25 lbs.
• Ability to use a computer for extended periods.
• Ability to work in a fast-paced operational environment, including on-call or extended incident support when required.
• Ability to support global operations across time zones during major incidents or launch phases.

This role may include additional duties or changes in scope as needed by business demands. AST SpaceMobile is an Equal Opportunity Employer, committed to merit-based employment without regard to race, color, religion, gender, national origin, veteran status, disability, age, sexual orientation, gender identity, marital status, or any other legally protected status.