Sr Engineer, Technical Support

T-Mobile US • Overland Park, KS

103d • $87,700 - $158,300

About The Position

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 is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! 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. Works on technical assignments that are moderately difficult, requiring judgment in resolving issues or in making recommendations. Works on assignments requiring considerable judgment and initiative. Understands implications of work and makes recommendations for solutions. Normally receives little instruction on daily work, general instructions on newly introduced assignments.

Requirements

• 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)
• 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.

Nice To Haves

• Possession of relevant industry certifications such as CCNP, CCDP, or equivalent. (Preferred)

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).
• Monitor API usage, access patterns, and anomalies.
• 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.
• Assist 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.
• Work 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).

Benefits

• Medical, dental and vision insurance.
• Flexible spending account.
• 401(k).
• Employee stock grants.
• Employee stock purchase plan.
• Paid time off and up to 12 paid holidays.
• Paid parental and family leave.
• Family building benefits.
• Back-up care.
• Enhanced family support.
• Childcare subsidy.
• Tuition assistance.
• College coaching.
• Short- and long-term disability.
• Voluntary AD&D coverage.
• Voluntary accident coverage.
• Voluntary life insurance.
• Voluntary disability insurance.
• Voluntary long-term care insurance.
• Mobile service & home internet discounts.
• Pet insurance.
• Access to commuter and transit programs.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Industry: Telecommunications
• Education Level: Bachelor's degree