Senior Engineer, Cybersecurity – Threat Response

T-Mobile

Senior Engineer, Cybersecurity focusing on threat response at T-Mobile. Responsible for protecting digital assets and managing cybersecurity incidents.

Posted 6/10/2026full-timeBellevue • Illinois, Kansas, Washington • 🇺🇸 United StatesSenior💰 $103,400 - $186,400 per yearWebsite

Tech Stack

Tools & technologies

CloudCyber Security

About the role

Key responsibilities & impact

Conduct analysis of security alerts, incidents, and threat intelligence to identify potential risks and assess impact to systems and business operations.
Lead and support cybersecurity incident response activities, including detection, investigation, containment, eradication, recovery, and post-incident review.
Serve as Incident Commander during cybersecurity incidents, coordinating multi-functional response efforts, driving decision-making, managing communications, and ensuring timely resolution of security events.
Conduct proactive investigations to identify emerging threats, validate security controls, and improve detection and response capabilities.
Develop and implement response procedures and mitigation strategies to reduce organizational risk.
Collaborate with internal technology teams and business partners to investigate security events and drive remediation efforts.
Partner closely with network, cloud, infrastructure, and application teams to investigate security incidents impacting enterprise and telecommunications environments.
Document incident findings, root cause analysis, response actions, and lessons learned in accordance with company policies and regulatory requirements.
Communicate incident status, technical findings, and remediation recommendations to leadership and key collaborators.
Contribute to continuous improvement of detection and response capabilities through process enhancements, tuning opportunities, automation, and knowledge sharing.
Monitor evolving threat activity and apply industry standards to improve organizational resilience.
Provide technical guidance and mentoring to peers and junior team members.
Participate in cybersecurity initiatives and projects assigned by management.
Participate in an on-call rotation to provide after-hours support for cybersecurity incident escalations originating from the Security Operations Center (SOC).

Requirements

What you’ll need

Bachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience
Acceptable areas of study include Computer Science or Information Technology.
4-7 years experience with security related software and/or business process design.
4-7 years experience in technical project management and leading multi-functional solution design teams.
4-7 years experience in network information security, including firewall policy design, SSL certificate management, and vulnerability analysis and mitigation.
Experience supporting cybersecurity operations, security investigations, or incident response activities.
Experience with enterprise security technologies and security monitoring platforms.

Benefits

Comp & perks

Medical, dental and vision insurance
Flexible spending account
401(k)
Employee stock grants
Employee stock purchase plan
Paid time off
Up to 12 paid holidays
Paid parental and family leave
Back-up care
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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

cybersecurity incident responsethreat intelligence analysisvulnerability analysisfirewall policy designSSL certificate managementsecurity monitoringincident commandroot cause analysisprocess enhancementsautomation

Soft Skills

leadershipcommunicationcollaborationdecision-makingmentoringproblem-solvingorganizational skillstechnical guidanceadaptabilitycontinuous improvement