Roaming & Satellite Tech Support Engineer (Hybrid)

Iridium Communications Inc; Tempe (AZ); Hybrid; USD 83,000 - 108,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) retirement plan options

Paid time off and holidays

Stock and annual bonus eligibility

Other discounts and perks

Job summary

Iridium Communications Inc. is seeking a Roaming Technical Support Engineer to serve as a technical escalation point for roaming and satellite services. You will troubleshoot complex roaming and core network issues, work with internal teams and roaming partners, and support rollout of new services.

This role demands problem-solving, ownership, and the ability to multi-task in a fast-paced environment. Hybrid work is offered, with on-call duties for 24x7x365 operations and up to 25% travel.

Qualifications

• Bachelor’s degree in engineering or technical field or equivalent experience.
• 5+ years in roaming operations, NOC, or telecom roles.
• Strong knowledge of GSM/UMTS/LTE/5G networks.
• Experience with signaling: SS7, Diameter, GTP, SIP, MAP, CAMEL.
• MS Word, PowerPoint, Excel proficiency.

Responsibilities

• Investigate and resolve advanced roaming, satellite, and network issues (voice, SMS, data).
• Analyze SS7, Diameter, GTP, IPX, and IP traffic using diagnostic tools.
• Provide 2nd/3rd line support for escalations from Customer Care on roaming/Iridium services.
• Conduct testing for new roaming partners and service updates.
• Validate configurations, routing updates, and service interoperability.
• Collaborate with engineers, network operations, and fraud teams to resolve issues.
• Train internal teams on new products and troubleshooting methods.
• Track roaming KPIs and incident trends.

Skills

GSM

UMTS

LTE

5G

SS7

Diameter

GTP

SIP

IPX

Network analysis

Education

Bachelor’s degree in engineering or technical field

Tools

Network analyzers

Monitoring software

Ticketing systems

Job description

Iridium Communications Inc. is seeking a Roaming Technical Support Engineer to serve as a technical escalation point for roaming and satellite services. You will troubleshoot complex roaming and core network issues, work with internal teams and roaming partners, and support rollout of new services.

This role demands problem-solving, ownership, and the ability to multi-task in a fast-paced environment. Hybrid work is offered, with on-call duties for 24x7x365 operations and up to 25% travel.