Principal Security Architect (Government)

AT&T; Chantilly (VA); On-site; USD 131,000 - 291,000; Full time

Benefits offered by this job

Medical/Dental/Vision coverage

401(k) plan

Tuition reimbursement program

Paid Time Off

Parental Leave

Caregiver Leave

Adoption Reimbursement

Disability Benefits

Life Insurance

Employee discounts

Job summary

AT&T Global Public Sector is seeking a Principal Security Architect for a full-time onsite role in Chantilly, VA. You will design and maintain security architectures across networks, SD-WAN, cloud, and enterprise services, aligning with RMF and NIST standards.

You will lead executive-level reporting, governance reviews, and strategic planning while coordinating with multiple internal and customer stakeholders to ensure secure, compliant operations.

Qualifications

• Bachelor's degree in Cybersecurity or related field.
• 10+ years of cybersecurity and enterprise architecture experience.
• Experience designing secure large-scale enterprise networks, cloud environments, and telecom infrastructures.
• Experience supporting federal cybersecurity programs and security authorization activities.
• Knowledge of Zero Trust, identity management, encryption, and monitoring platforms.
• Strong understanding of NIST and RMF processes.
• Ability to obtain government security clearances.

Responsibilities

• Serve as the primary business strategy advisor to executive leadership for program activities.
• Develop executive-level reporting packages, dashboards, scorecards, and strategic assessments.
• Lead governance reviews, leadership briefings, and executive presentations.
• Analyze program performance trends and provide actionable recommendations.
• Coordinate with cross-functional teams to provide a comprehensive program view.
• Support executive oversight of contract performance, schedule, and budget.
• Monitor risks, issues, dependencies, and business impacts.

Skills

Zero Trust principles

Identity management

Network security

Encryption technologies

Security monitoring platforms

NIST RMF

Government security clearances

Education

Bachelor's degree in Cybersecurity, Information Systems, Computer Science, Engineering, or related discipline

Tools

SIEM

Vulnerability Management

GRC Tools

Continuous Monitoring

Job description

This is a full-time onsite role based in the location(s) posted and is performed from the designated work location five days per week. No relocation is offered.

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.

The Principal Security Architect serves as the technical authority for cybersecurity architecture across a critical government program. This position is responsible for designing, documenting, integrating, and maintaining the security architecture supporting network infrastructure, SD-WAN services, cloud platforms, management systems, operational support systems, and enterprise services.

The Principal Security Architect works closely with the program’s technical and operations leadership as well as customer stakeholders to ensure security requirements are incorporated into all phases of design, implementation, testing, transition, and operations.

Job Duties/Responsibilities

• Serve as the primary business strategy advisor to executive leadership for program activities.
• Develop executive-level reporting packages, dashboards, scorecards, and strategic assessments that provide visibility into program performance, risks, financial status, staffing, and critical milestones.
• Lead preparation of governance reviews, leadership briefings, management reports, and executive presentations.
• Analyze program performance trends and provide actionable recommendations to improve operational effectiveness and business outcomes.
• Coordinate across program management, finance, contracts, engineering, operations, security, testing, and transition organizations to ensure leadership has a comprehensive view of program status.
• Support executive oversight of contract performance, schedule attainment, resource utilization, and budget execution.
• Monitor strategic risks, issues, dependencies, and emerging business impacts requiring leadership attention.
• Develop and maintain Key Performance Indicators (KPIs), program health metrics, and executive scorecards.
• Support leadership decision-making through business case development, scenario analysis, forecasting, and strategic planning activities.
• Track organizational priorities and ensure alignment between program activities and enterprise objectives.
• Facilitate preparation for executive governance boards, operational reviews, and quarterly business reviews.
• Support workforce planning, organizational readiness, recruiting strategies, and resource forecasting activities.
• Coordinate development of executive communications, position papers, and leadership talking points.
• Identify opportunities to improve program governance, reporting effectiveness, operational efficiency, and business performance.
• Ensure leadership has timely visibility into cost, schedule, staffing, contractual, and operational performance drivers.

Required Clearance

Customer Specific Clearance (#clearable)

Required Qualifications

• Bachelor's degree in Cybersecurity, Information Systems, Computer Science, Engineering, or related discipline.
• 10+ years of cybersecurity and enterprise architecture experience.
• Experience designing secure large-scale enterprise networks, cloud environments, and telecommunications infrastructures.
• Experience supporting federal cybersecurity programs and security authorization activities.
• Knowledge of Zero Trust principles, identity management, network security, encryption technologies, and security monitoring platforms.
• Strong understanding of NIST cybersecurity frameworks and Risk Management Framework (RMF) processes.
• Ability to obtain and maintain required government security clearances.

Desired Qualifications

• FAA, DHS, DoD, or other federal civilian agency experience.
• Experience supporting enterprise telecommunications and managed network service programs.
• Knowledge of SD-WAN security architectures and enterprise network modernization initiatives.
• Experience developing SSPs, SARs, POA&Ms, and ATO documentation.
• Familiarity with SIEM, vulnerability management, GRC, and continuous monitoring platforms. Security compliance and authorization activities are central components of the FENS security architecture approach.
• CISSP, CCSP, SABSA, AWS Security Specialty, Azure Security Engineer, or equivalent certifications.

Our Principal Security Architect's earn between $130,700 - $290,600. 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 wireline phone

Weekly Hours: 40

Time Type: Regular

Location: Chantilly, Virginia

AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.