Sr Engineer, Technical Support

T-Mobile; Bellevue (WA); On-site; USD 85,000 - 105,000; Full time

Job summary

A leading telecommunications company is seeking a Sr Engineer, Technical Support to provide end-to-end support for broadcast networks. Ideal candidates will have strong technical skills, experience in networking, and the ability to troubleshoot various systems. The role requires a Bachelor's degree and at least 4 years of experience in engineering within the telecommunications industry. Competitive salary and benefits are offered.

Benefits

Competitive salary

Comprehensive benefits package

Qualifications

• Experience with network tools required.
• 4+ years in Telecommunications engineering and operations required.
• Ability to work flexible shifts including weekends and on-call.

Responsibilities

• Assist with installation and maintenance of servers.
• Monitor system performance and troubleshoot issues.
• Manage virtualization platforms like VMware and Hyper-V.
• Ensure APIs are secure against attacks.

Skills

Effective communication

Troubleshooting skills

Customer service commitment

Analytical approach

Education

Bachelor’s Degree in Networking, Cybersecurity or Electronics

Tools

Infoblox IPAM

Cisco ISE

SIEM

Job description

Join to apply for the Sr Engineer, Technical Support role at T-Mobile

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package.

This position provides support in multiple disciplines for end to end broadcast network and operations acceptance for all new or expansion nodes/platforms or services being introduced into T Studios networks. This position uses professional concepts to carry out diagnostic investigation of Studio network issues, identify and resolve the root causes.

Job Responsibilities:

• Assist with the installation, configuration, and maintenance of Windows/Linux servers (on-premise and/or cloud-based).
• Monitor system performance and troubleshoot issues related to hardware, OS, and applications.
• Manage virtualization platforms (e.g., VMware, Hyper-V).
• Maintain backup and disaster recovery systems and procedures.
• Patch and update operating systems and critical software regularly.
• Manage Active Directory, DNS, DHCP, and other core infrastructure services.
• Automate administrative tasks using scripts (e.g., PowerShell, Bash).
• Configure and secure APIs using WAF and API gateways (e.g., Kong, Apigee, AWS API Gateway, Azure API Management).
• Apply rate limiting, access control, and authentication policies for APIs.
• Work with development teams to review and enforce API security best practices (e.g., OAuth 2.0, JWT, token validation).
• Ensure APIs are protected against injection attacks, data leakage, and abuse.
• Assists in Deployment, configuration, and maintenance of WAF solutions (e.g., AWS WAF, Cloudflare, Imperva, F5, Fortinet, etc.).
• Monitor WAF logs and alerts to identify and respond to security incidents.
• Create and tune rules/policies to prevent application-layer attacks (e.g., SQL injection, XSS).
• Collaborate with development teams to ensure secure application deployment.
• Conduct vulnerability assessments and recommend WAF configuration changes.
• Stay updated on the latest web threats and WAF technologies.
• Works with Engineering and Network teams to troubleshoot host issues (routing, Cortex XDR, Global Protect, DNS) network issues(port security, routing, switch issues) and security(policy, URL, threat)

Education and Work Experience:

• Bachelor’s Degree in Networking, Cybersecurity or Electronics (Preferred)
• Experience with a variety of network tools: Infoblox IPAM, Cisco ISE, SIEM and Linux servers. (Required)
• 4+ years of experience in Engineering and Operations experience within the telecommunications industry. (Required)

Knowledge, Skills and Abilities:

• Demonstrated ability to communicate effectively with both technical and non-technical collaborators, including verbal, written, and interpersonal communication. (Required)
• Proven troubleshooting skills with the ability to identify, analyze, and resolve technical issues in a timely and efficient manner. (Required)
• Solid background in providing technical support across various systems, platforms, and network configurations. (Required)
• Ability to apply structured problem-solving approaches to diagnose and resolve infrastructure or application issues. (Required)
• Analytical approach with the ability to interpret system data, logs, and performance metrics to support decision-making. (Required)
• Commitment to delivering exceptional customer service by responding promptly to requests and proactively addressing user concerns. (Required)
• Possession of relevant industry certifications such as CCNP, CCDP, or equivalent. (Preferred)
• Willingness and ability to work a flexible schedule, including day, evening, and overnight shifts, as well as weekends, holidays, and on-call rotations. (Required)
• Availability for occasional domestic travel to support network expansion or troubleshooting efforts. (Required)
• Must possess a valid driver’s license to support site visits and other operational needs. (Required)
• Must be open to rare travel
• At least 18 years of age
• Legally authorized to work in the United States

T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.