Skip to main content
Government

Senior Information Security Professional (Government)

Reston, Virginia

Apply now

Job Description:

This position requires office presence of a minimum of 5 days per week and is only located at customer's site.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.

TAC2O (Technical Architecture for Command & Control Operations) is Task Order under the ten-year Helios IDIQ. AT&T’s TAC2O contract provides a team of IT specialists to operate the DIA headquarters TAC2O system which serves as the collection point for multiple Special Access Programs (SAPs) developed under Helios. These systems deliver their digital information payloads from across the globe and outer-space to the TAC2O platform for processing, integration, correlation and access by Defense Department analysts and decision-makers. The TAC2O system is operated by AT&T specialists and selected AT&T Helios Teammates cleared to support the multitude highly sensitive programs.

AT&T has an opening for a Senior Information Security Professional for the TAC2O systems in providing managed IT support of SAP-IT systems for high-priority defense intelligence collection needs and develop and field advanced technical collection capabilities. 

Duties/Responsibilities:

  • Responsibilities are full time on customer’s onsite and will cover classified programs and Special Access Programs (SAP). No Telework.
  • Provide subject matter expertise and serve as an advisor on technical matters involving the security of assigned Information Systems.
  • Maintain and develop System Security Plans (SSP), Security Controls Traceability Matrices (SCTM, Continuous Monitoring Plans (ConMon), Plan of Actions and Milestones (POA&Ms), and other related Plans, Procedures and Guidance.
  • Monitoring and correlating data (e.g., logs, events, activity, etc.) from a variety of sources (e.g., Splunk, Trellix, STIGs, ACAS, etc.) to identify and mitigate threats, vulnerabilities and non-compliance.
  • Security sustainment activities (Change Management, Account Management, Media Protection, File Transfers, etc.)
  • Ensure required cybersecurity controls are implemented and validated, to include continuous monitoring actions.
  • Assist in overseeing and managing day-to-day operation of SAP Information Systems.
  • Assist team in Authorization and Accreditation (A&A) process using RMF across the design lifecycle for classified systems obtaining and maintaining Authority to Operate (ATO) and Authority to Connect (ATC).
  • Demonstrate a strong understanding of Networks, Cloud, and IT system security authorization procedures.

Clearance Requirements:

TS/SCI (#tssci)

Additional Clearance Requirements:

Polygraph (can be obtained during cross-over) (#polygraph)

Polygraph (can be obtained during cross-over)

Required Qualifications:

  • Demonstrates strong experience with IC/DoD customer's Assessment and Authorization (A&A) process (e.g., RMF, NIST800-53, ICD503, JSIG)
  • Experience with XACTA
  • Experience in developing and implementing DoD approved information security controls, procedures and documentation for the operation of classified systems
  • Minimum 5 years of relevant experience
  • Must presently be 8570 compliant (IAT Level 2)

Desired Qualifications

  • A Bachelor’s Degree from an accredited institute in an area applicable to this position and eight (8) years of relevant experience
  • Previous experience as an ISSO, ISSM, ISSE, or Security Controls Assessor
  • Experience with the Special Access Programs (SAPs) and Intelligence Community (IC)

Our Senior Information Security Professional's earn between $98,100 - $205,000. 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

Weekly Hours:

40

Time Type:

Regular

Location:

Reston, Virginia

It 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-70389 Date posted 06/10/2025
Apply now

Benefits

Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.

  • Paid Time Off
  • Tuition Assistance
  • Insurance Options
  • Discounts
  • Training & Development

Learn more about benefits

Our hiring process

Apply Now

Confirm your qualifications align with the job requirements and submit your application.

Assessments

You may be required to complete one or more assessments, depending on the role.

Interview

Get ready to put your best foot forward! More than one interview may be necessary.

Conditional Job Offer

We’ll reach out to discuss a conditional job offer and the next steps to joining the team.

Background Check

Timing is important – complete the necessary actions to proceed with onboarding.

Welcome to the Team!

Congratulations! It’s time to experience #LifeAtATT.

Check your email (and SPAM) throughout the process for important messages and next steps.

Connect today

Didn’t find what you were looking for here? Sign up for our job alerts so we can connect and share the latest.

Welcome to the Talent Network

We’ve always got a ton of awesome things going on – like the latest job openings, events and offerings. But how can you stay on top of it all? That’s easy. Just connect to our Talent Network.

An * indicates a required field.

Interested InSelect a job category from the list of options. Select a location from the list of options. Finally, click “Add” to create your job alert.

  • Technology, Reston, Virginia, United StatesRemove
  • Security Clearance, Reston, Virginia, United StatesRemove
  • Government Support, Reston, Virginia, United StatesRemove

By signing up, I acknowledge that I have read AT&T's privacy notice (opens in new window) and that I wish to receive email and SMS communications. I understand that I can opt out of receiving email and SMS communications at any time.

Don't Miss Out

Join our Talent Network to be the first to know about new job openings, special announcements and behind-the-scenes information.

Skip, I’d rather go straight to the application

AT&T Info and Alerts. Max 12 messages/month Privacy Policy (opens in new window). You may opt-out at anytime by sending STOP to short code 20013. Msg & data rates may apply.

By submitting your information, you acknowledge that you have read our privacy policy (opens in new window) and consent to receive email communication from AT&T for our U.S. Talent Network.