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Government

Information System Security Officer (ISSO) Mid-Level (Government)

Chantilly, Virginia

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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.

Our Federal Solutions Team supports the intelligence community, providing, operating, and assuring critical voice, video, and collaboration services for the full spectrum of operations.  The services required by this contract will assist providing the NRO with a secure mission environment. The contractor shall provide realistic, innovative information security solutions to accomplish the requirements in addition to program management. The services obtained under this contract shall provide expertise to support information systems security, security control assessments, information assurance engineering, and security control assessments test engineering.

AT&T has an opening for an Information System Security Officer (ISSO) Mid-Level: To support AT&T Federal Solutions. This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

An Information Systems Security Engineer (ISSO) Mid-Level is responsible for:

  • Familiarity with conducting research and analysis on cybersecurity matters.
  • Familiarity with network and information system security principles and best practices.
  • Familiarity with controlling, labeling, virus scanning, and appropriately transferring data between information systems at varying classification levels.
  • Familiarity of detection of computer security compromises.
  • Responsible for managing a system and following the process with support of ATO.
  • Support Senior ISSO’s with daily requirements.

Required Clearance:

TS/SCI with Poly (#tssci) (#polygraph)

Required Qualifications:

High School/GED AND 6 Years’ Experience or 1ssociate AND 4 Years Experience or Bachelor’s AND 2 Years’ Experience or Master AND 0-2 Years’ Experience.

CERTIFICATION: Must meet minimum requirements for DoD 8570 IAT Level 2 to include ONE of the following:

Additional Requirements Include:

  • Hands-on experience with RMF process, minimum 1 or 2 of the processes.
  • Data transfer knowledge.

Desired Qualifications

  • Experience in the following relevant areas: information technology security, information systems security, information assurance engineering, and systems administration.
  • Thorough understanding and application of network security principles, practices, and implementations.
  • Working knowledge of cross-functional integration of information systems into a physical security environment.
  • Working knowledge of system functions, security policies, technical security safeguards, and operational security measures.
  • Working knowledge of configuration management, systems maintenance, and integration testing.

Our Information System Security Officer (ISSO) Mid-Level earn between $98,100 - $115,000. 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:

Chantilly, 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-91580 Date posted 11/25/2025
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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

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

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Conditional Job Offer

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Background Check

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