Principal Security Architect – Government

AT&T

. Serve as the technical authority for cybersecurity architecture across a critical government program.

Posted 10/1/2026full-timeChantilly • Virginia • United StatesLead💰 $130,700 - $290,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in cybersecurity architecture, including the design and integration of secure networks and cloud environments. Proficient in developing executive-level reporting and governance frameworks to enhance program performance and operational efficiency.

Highest-signal resume keywords

Cybersecurity ArchitectureEnterprise Architecture ExperienceNIST Cybersecurity FrameworksZero Trust PrinciplesCISSP Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network SecurityCloud SecurityTelecommunications InfrastructureSecurity MonitoringRisk Management Framework (RMF)Secure Network DesignVulnerability ManagementIdentity ManagementEncryption TechnologiesSD-WAN Security Architectures

Soft Skills

LeadershipStrategic PlanningCommunicationAnalytical ThinkingCollaboration

Tools & Technologies

SIEMGRCContinuous Monitoring PlatformsOperational Support SystemsManagement Systems

Certifications & Qualifications

CISSPCCSPSABSAAWS Security SpecialtyAzure Security Engineer

Industry Keywords

Federal Cybersecurity ProgramsSecurity Authorization ActivitiesProgram GovernanceExecutive ReportingOrganizational Readiness

Tech Stack

Tools & technologies

AWSAzureCloudCyber Security

About the role

Key responsibilities & impact

Serve as the technical authority for cybersecurity architecture across a critical government program.
Design, document, integrate, and maintain security architecture supporting network infrastructure, SD-WAN services, cloud platforms, management systems, operational support systems, and enterprise services.
Work with technical and operations leadership and customer stakeholders to incorporate security requirements into design, implementation, testing, transition, and operations.
Serve as the primary business strategy advisor to executive leadership for program activities.
Develop executive-level reporting packages, dashboards, scorecards, and strategic assessments covering program performance, risks, financial status, staffing, and critical milestones.
Lead governance reviews, leadership briefings, management reports, and executive presentations.
Analyze program performance trends and recommend improvements to operational effectiveness and business outcomes.
Coordinate across program management, finance, contracts, engineering, operations, security, testing, and transition organizations.
Support executive oversight of contract performance, schedule attainment, resource utilization, and budget execution.
Monitor strategic risks, issues, dependencies, and emerging business impacts.
Develop and maintain KPIs, program health metrics, and executive scorecards.
Support business case development, scenario analysis, forecasting, and strategic planning.
Track organizational priorities and align program activities with enterprise objectives.
Facilitate executive governance boards, operational reviews, and quarterly business reviews.
Support workforce planning, organizational readiness, recruiting strategies, and resource forecasting.
Coordinate executive communications, position papers, and leadership talking points.
Identify opportunities to improve program governance, reporting effectiveness, operational efficiency, and business performance.
Ensure timely visibility into cost, schedule, staffing, contractual, and operational performance drivers.

Requirements

What you’ll need

Customer Specific Clearance (#clearable)
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.
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.
CISSP, CCSP, SABSA, AWS Security Specialty, Azure Security Engineer, or equivalent certifications.

Benefits

Comp & perks

Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (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