Chantilly, Virginia

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.

Our Cybersecurity Team supports the customer by investigating, analyzing, and mitigating cybersecurity incidents that attempt to breach the Customer’s network infrastructure, applications, and operating systems.

AT&T has an opening for Information Security Engineer, Staff to support the  Grimlock Program , in providing consulting services and systems engineering support across multiple aspects of the infrastructure and operational environment.

Job Duties/Responsibilities:   

  • Maintains current system/service ICD 503/Risk Management Framework compliance
  • Provides ICD 503/RMF compliance to future security service designs
  • Completes Assessment and Authorization (A&A) activities
  • Creates security classification guides
  • Interfaces with external organizations on security infrastructure services, security engineering, and operational requirements
  • Reviews information systems throughout lifecycle for compliance with federal security guidelines.
  • Produces A&A documentation, to include system security plans, traceability matrices, test plans, user security guides, etc.
  • Assists with program protection support activities.
  • Collaborates with other entities within the organization on supporting information assurance goals and objectives
  • Conducts and reports risk assessments, plan of action and milestones (POA&M), and concept of operations (CONOPS) to support threat assessments and vulnerability analysis
  • Creates and validates system requirements
  • Provides systems engineering support across multiple aspects of the infrastructure and operational environment

Required Clearance:  

TS/SCI & Polygraph required (#ts/sci) (#polygraph)

Required Qualifications:

  • Job Experience: A minimum of 5 or more years of Information Security Engineering experience. 
  • College Degree: Associates, Bachelors, or Masters in a security-relevant field is preferred, but not required.
  • 8570-Compliant Certification: Must hold a Security+, CAP, GSLC, CISM, CASP or CISSP to be eligible for consideration.

The candidate should have experience in the following areas:

  • Security Infrastructure and Operations
  • Systems Engineering
  • Configuration Management
  • Ability to understand various computer architecture, software applications and operating systems
  • Solid working knowledge of network security architecture
  • Understanding of trusted systems and their applications
  • Ability to apply information systems security engineering, security services and mechanism, threats and vulnerabilities to systems
  • Good technical problem-solving skills
  • Communications and teamwork skills
  • Experience with Risk Management Framework six-step A&A process.
  • Knowledge of applicable IC/DoD IA policies and NRO policies, directives and standards, to include ICD 503 and NIST SP 800 series

Ready to join our team?  Apply today!



Chantilly, Virginia

AT&T is bringing it all together for our customers, from revolutionary smartphones to next-generation TV services and sophisticated solutions for multi-national businesses.

For more than a century, we have consistently provided innovative, reliable, high-quality products and services and excellent customer care. Today, our mission is to connect people with their world, everywhere they live and work, and do it better than anyone else. We're fulfilling this vision by creating new solutions for consumers and businesses and by driving innovation in the communications and entertainment industry.

We're recognized as one of the leading worldwide providers of IP-based communications services to businesses. We also have the nation's most reliable 4G LTE network.* We also have the largest international coverage of any U.S. wireless carrier, offering the most phones that work in the most countries. AT&T operates the nation's largest Wi-Fi network** including more than 32,000 AT&T Wi-Fi Hot Spots at popular restaurants, hotels, bookstores and retailers, and provides access to nearly 1 million hotspots globally through roaming agreements.

AT&T U-verse is TV inspired by you. It's TV the way you want it, with tons of cool features and capabilities. AT&T is the only national TV service provider to offer a 100-percent IP-based television service. It's part of our "three-screen" integration strategy to deliver services across the three screens people rely on most - the mobile device, the PC and the TV.

As we continue to break new ground and deliver new solutions, we're focused on delivering the high-quality customer service that is our heritage.

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