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Information System Security Officer (ISSO) Lead (Program Level 3 with Security Clearance

AT&T Government SolutionsChantilly, VA🇺🇸United StatesPosted 28 Aug 2026

Why This Role Stands Out

As an ISSO Lead at AT&T Government Solutions, you'll drive critical information security initiatives within a highly reputable organization, leveraging your expertise to protect sensitive government data and shape impactful security strategies. This role is ideal for a seasoned security professional with strong analytical and problem-solving skills who thrives in a dedicated, mission-focused environment. With a competitive salary range of $108,000-$170,000, this is an excellent opportunity to advance your career in a vital sector.

Quick Overview

Salary
$108k - $170k/yr
Seniority
Mid Senior
Employment type
Employee
Work mode
On Site
Location
Chantilly, VA, United States
Posted
1 week ago
Fiber

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. Please be aware this is an ATT Technical Services position. 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) Lead to support AT&T Federal Solutions.

Job Duties/Responsibilities: ISSO Lead: a. Expertise with configuration management; system maintenance; and integration testing; b. Ability to troubleshoot technical configurations and make recommendations on the protection of classified and sensitive data; c. Expert in the use of tools used to prevent and or negate malicious code; d. Expert in detecting and preventing computer security compromises in a networked environment; e. Knowledge in forensics chain of custody and evidentiary preservation; f.

Demonstrated proficiency in successfully guiding complex information systems through assessment and authorization control gates; g. Analytical abilities to decipher complex technical configuration management documents; h. Proficient in maintaining databases; i. Thorough working knowledge of all applicable NRO, IC, and DoD policies, procedures and operating instructions related to IT/IA/IM; j. Demonstrated ability to work independent of close supervision; k.

Expert ability to establish and maintain effective internal and external working relationships with government and contractor program managers, security professionals, and mission partners; l. Ability to effectively provide ISSO guidance to Level 1 and Level 2 ISSOs.

Required Clearance: TS/SCI/ with Poly (#tssci) (#polygraph) Required Qualifications: EDUCATION:

  • High School/GED AND 10 Years' Experience
  • Associate AND 8 Years Experience
  • Bachelor's AND 6 Years' Experience
  • Master AND 4 Years' Experience
  • CERTIFICATION: Must meet minimum requirements for DoD 8570 IAT III to include ONE of the following: CASP+ CE
  • CCNP Security
  • CISA
  • CISSP
  • GCED
  • GCIH
  • CCSP
Our Information System Security Officer (ISSO) Lead Level 3's earn between $108,000 - $170,000. 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) 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.

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