Principal Cybersecurity - CSO Email Domain Security
Charlotte, North Carolina
Job Description:
This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.
Join AT&T and reimagine the communications and technologies that connect the world. Our Chief Security Office ensures that our assets are safeguarded through truthful transparency, enforce accountability and master cybersecurity to stay ahead of threats. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it.
Working as a Principal Cybersecurity within the Chief Security Office (CSO), you will work with Email Domain owners, business partners, and other AT&T teams; to design, implement, and maintain AT&T email security strategy and infrastructure. Focusing on protecting email systems from threats (E.g. phishing, malware, data breaches) enacting new security standards, and research emerging standards and protocols. The role involves creating, maintaining and enforcing robust email security policies that align with AT&T's business needs and security best practices.
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.
Required/Desired Skills:
- 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.
Education/Experience: Bachelor’s degree (BS/BA) desired in Computer Science or Cybersecurity. 7+ years of related experience. Certification is required in some areas.
Supervisor:
No
Our Principal Cybersecurity earns between $141,300-$211,900 USD Annual, not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.
Joining our team comes with amazing perks and 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.
#LI-Onsite – Full-time office role-
Ready to join our team? Apply today.
Weekly Hours:
40Time Type:
RegularLocation:
USA:NC:Charlotte / Research Dr - Dat:9139 Research DrSalary Range:
$141,300.00 - $211,900.00It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Job ID R-91684 Date posted 12/01/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
Our hiring process
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Assessments
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Interview
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Conditional Job Offer
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