Technical Support Engineer III

About the role

Iridium is an award-winning satellite communications company with a global network that supports critical communications for various industries. We are currently seeking a Roaming Technical Support Engineer to join our team.

Responsibilities

• Investigate and resolve advanced roaming, satellite, and network service issues (voice, SMS, data).
• Analyze SS7, Diameter, GTP, IPX, and IP networking traffic using diagnostic tools.
• Provide second- and third-level support for escalations from Customer Care on roaming and existing Iridium services.
• Perform IREG/International Roaming Testing and TADIG/Transferred Account Data Interchange Group testing for new roaming partners and service updates.
• Conduct product and service testing for alpha/beta trials and network changes.
• Validate configurations, routing updates, and service interoperability.
• Serve as technical contact for Service Partners, Value-Added Manufacturers, and roaming operators.
• Collaborate with engineering, network operations, and fraud teams to resolve issues.
• Train internal teams on new products, services, and troubleshooting methods.
• Track and report on roaming KPIs, performance, and incident trends.
• Document troubleshooting steps, configurations, and best practices.

Requirements

• Bachelor’s degree in an engineering or a technical field, or equivalent work experience.
• 5+ years of relevant experience in roaming operations, a Network Operations Center (NOC) network administration, support engineering, or telecommunications role.
• Strong knowledge of GSM, UMTS, NB-IoT, LTE, 3GPP, and 5G mobile networks.
• Experience with signaling protocols: SS7, Diameter, GTP, SIP, MAP, CAMEL.
• Proficiency in Microsoft Word, PowerPoint, and Excel.
• Strong communication skills, with the ability to clearly convey highly technical concepts to groups outside of your team or those who are unfamiliar with the topic.
• Strong analytical and problem-solving abilities, with experience using tools like network analyzers, monitoring software, ticketing systems.
• Be comfortable managing upward, including being a proactive communicator and asking for help when needed.
• Have confidence and be able to establish valuable relationships with others.
• Must be able to prioritize key tasks and have a strong sense of ownership over your work.
• Be active in seeking ways to continuously improve yourself and gain new knowledge.

Qualifications

• Experience with AWS, Checkpoint Firewall, or SQL database administration.
• Understanding of GSMA IR.21/IR.85 standards, 3GPP standards.
• Roaming fraud prevention or revenue assurance experience.
• Scripting or automation skills (Python, Shell).

Benefits

• Base salary: $83,000 - $108,000 USD
• Company stock and annual bonus
• Employee benefits include medical, dental, and vision insurance coverage; 401(k) retirement plan options; paid time off and paid holidays; paid parental leave; and other discounts and perks.

Pay

Base salary is only one part of our compensation package for this role. You may also be eligible for company stock and annual bonus.

Schedule

This position primarily works in an office setting and is largely sedentary with the majority of the position working with a computer. The role typically requires the use of basic office equipment such as a phone, video, computer, keyboard, mouse, and printer. We believe in-person connection drives innovation, strengthens mentorship, and builds culture, while flexibility enables employees to do their best work. Under Iridium’s Hybrid Work Policy, employees are expected to work at least three days per week (approximately 60%) in an Iridium office to support collaboration, relationship-building, and professional growth.

Additional Information

This job description outlines the general nature and level of work for this role and is not a comprehensive list of duties, responsibilities, or qualifications. Employees may be assigned additional responsibilities as needed. Base salary is only one part of our compensation package for this role. You may also be eligible for company stock and annual bonus. Employee benefits also include medical, dental, and vision insurance coverage; 401(k) retirement plan options; paid time off and paid holidays; paid parental leave; and other discounts and perks. Iridium is an Equal Opportunity Employer, including individuals with disabilities and protected veterans.