AT&T · 5 hours ago
Principal Cybersecurity - CSO Email Domain Security
Charlotte, NC
Full-time
Onsite
Senior Level, Lead/Staff
$141K/yr - $237K/yr
7+ years expAT&T is a leading telecommunications company that is seeking a Principal Cybersecurity professional to join their Chief Security Office. The role focuses on designing, implementing, and maintaining email security strategies and infrastructure to protect against various threats, ensuring compliance with security standards, and developing robust email security policies.
CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
Responsibilities
Ensure security best practices are enforced, report KPIs, work with GTO Operations and other business units, to implement email security solutions
Develop and maintain email security standards, policies, and best practices
Ensure compliance, including relevant regulatory and industry standards
Identify emerging threats, assess risks and consult with stakeholders to implement email security practices
Identify and report on solution performance metrics
Continual evaluation of both new technologies and the threat landscape
Communicate to a broad audience information explaining email security, standards, and enforcement actions
Assist other business units to design implementations that adhere to existing standards
Qualification
Required
Strong understanding of relevant Internet protocols, including SMTP, DNS, message structure
Strong understanding of email deliverability issues, email authentication (SPF/DKIM/DMARC), and email reputation systems
Understanding of email solutions (Proofpoint, Exchange, etc.)
Understanding of encryption technologies
Strong understanding of the roles of various sub-components of email systems (MTA, MDA, MUA, etc.) and their requirements
Good communication skills and the ability to coordinate multiple projects simultaneously
Bachelor's degree (BS/BA) desired in Computer Science or Cybersecurity
7+ years of related experience
Certification is required in some areas
Benefits
Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
Paid Parental Leave
Paid Caregiver Leave
Additional sick leave beyond what state and local law require may be available but is unprotected
Adoption Reimbursement
Disability Benefits (short term and long term)
Life and Accidental Death Insurance
Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
Employee Assistance Programs (EAP)
Extensive employee wellness programs
Employee discounts up to 50% off on eligible AT&T mobility plans and accessories
AT&T internet (and fiber where available) and AT&T phone.
Company
AT&T
AT&T is a telecommunications company that provides wireless communications, internet and digital television services.
10001+ employees
H1B Sponsorship
AT&T has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (575)
2024 (586)
2023 (282)
2022 (450)
2021 (271)
2020 (162)
Funding
Current Stage
Public CompanyTotal Funding
$5.04BKey Investors
National Telecommunications and Information Administration
2025-09-19Post Ipo Debt· $5B
2024-02-12Grant· $42.3M
2023-01-19Grant· $2.2M
Leadership Team
Jeremy Legg
Chief Technology Officer
Pascal Desroches
Senior Executive Vice President and Chief Financial Officer
Recent News
2026-01-22
legacy.thefly.com
2026-01-22
Company data provided by crunchbase