Engineer, Cybersecurity- Validation

Job Overview

This role is essential for protecting T‑Mobile's digital infrastructure and sensitive data as part of the Continuous Hunting and Offensive Specialists team, which proactively simulates Advanced Persistent Threats to uncover previously undetected cybersecurity incidents. It involves applying advanced security protocols and technologies, along with hypothesis‑driven investigations, to identify and mitigate vulnerabilities before adversaries can act. The role requires developing and implementing strategies that comply with cybersecurity policies and regulatory requirements, while continuously assessing the effectiveness of existing security controls. Success is measured by the effectiveness of security defenses, the ability to respond promptly to incidents, and how well identified gaps are remediated to keep defenses strong and adaptive to evolving threats.

Responsibilities

• Develop and implement advanced security protocols and measures to protect digital infrastructure and sensitive data.
• Identify and mitigate security vulnerabilities through regular system and network analysis.
• Collaborate with cross‑functional teams to identify security needs and implement improvements.
• Ensure compliance with T‑Mobile's cybersecurity policies and regulatory requirements.
• Conduct security assessments and audits to evaluate existing security solutions and suggest improvements.
• Educate and train staff on cybersecurity best practices and new security technologies.
• Perform other duties/projects as assigned by business management.

Required Qualifications

Bachelor's Degree in Computer Science, Information Technology, or equivalent work experience. Acceptable combinations include a bachelor's degree plus 2 years of related work experience or an equivalent mix of education and experience.

• Artificial Intelligence (AI)
• Cybersecurity
• Escalation Management
• Security Automation
• Security Engineering
• Security Incident Management
• Security Technologies
• Security Testing
• Stakeholder Management

Preferred Knowledge, Skills and Abilities

• Incident Analysis
• Log Analysis
• Security Monitoring

Preferred Licenses and Certifications

• GCIH, GCFA, GCIA, CMON, GCDAC
• CISSP
• CCSK, CCSP, CISA, CISM (any are a plus)

Additional Information

Applicants must be at least 18 years of age, legally authorized to work in the United States, and willing to travel as required.

Pay

• Bellevue, WA: $103,800 – $140,500
• Frisco, TX: $92,300 – $124,900
• Overland Park, KS: $87,000 – $117,700
• Total Target Cash Earnings Opportunity: $91,885 – $165,715
• National Base Pay Range: $79,900 – $144,100

The Total Target Cash Earnings Opportunity represents the expected total cash compensation at target performance, combining base salary and annual incentive opportunity. Actual earnings may vary based on individual performance, location, qualifications, and experience.

Benefits

T‑Mobile offers a comprehensive Total Rewards Package that includes:

• Medical, dental, and vision insurance
• Flexible spending accounts
• 401(k) with company match
• Annual stock grant and employee stock purchase plan
• Paid time off (approximately 4 weeks for new full‑time employees, 2.5 weeks for new part‑time employees) and up to 12 paid holidays
• Parental and family leave, family‑building benefits, and back‑up care
• Childcare subsidy, tuition assistance, and college coaching
• Short‑ and long‑term disability, voluntary AD&D, accident, life, and long‑term care insurance
• Mobile service and home internet discounts, pet insurance, commuter and transit programs