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

- **Company:** AT&T Inc.
- **Location:** Chantilly, VA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Data Transmissions, Information Security Management, Network Monitoring, Cyber Threat Analysis
- **Published:** August 6, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/information-system-security-officer-mid-level-government-chantilly-va-usa-58832111

## About the Role

* Mentor staff on security protocols and keep updated on cybersecurity trends Tasks * TS/SCI with Poly * Hands-on RMF experience (1-2 processes) * Data transfer knowledge * Education/Experience combinations as stated (e.g., High School/GED with 6 years, Associate with 4; Bachelor with 2; Master with 0-2) * ONE of the IAT II Level Certifications: CCNA Security; CySA+; GICSP; GSEC; Security+ CE; CND; SSCP Key requirements * Medical/Dental/Vision * 401(k) plan * Tuition reimbursement program * Paid Time Off and Holidays * Paid Parental Leave * Disability Benefits

## Description

Experteer Overview In this role you will support government IT security and work on security measures for mission-critical systems at a customer site. You will help manage RMF-related tasks and assist with ATO processes, data transfers, and monitoring for security incidents. You'll partner with IT teams to weave security into system designs and mentor staff on cybersecurity practices. This position offers the chance to contribute to a secure environment for federal operations and work within a collaborative federal solutions team. Compensation / Benefits * Data transfer between systems * Research on cyber issues/matters * Detect and help respond to computer security compromises * Manage system and support ATO processes * Support Senior ISSOs with daily requirements * Conduct regular security audits and assessments to identify vulnerabilities and risks * Monitor network traffic and respond to security incidents * Collaborate with IT staff to integrate security into system designs * Mentor staff on security protocols and keep updated on cybersecurity trends Tasks * TS/SCI with Poly * Hands-on RMF experience (1-2 processes) * Data transfer knowledge * Education/Experience combinations as stated (e.g., High School/GED with 6 years, Associate with 4; Bachelor with 2; Master with 0-2) * ONE of the IAT II Level Certifications: CCNA Security; CySA+; GICSP; GSEC; Security+ CE; CND; SSCP Key requirements * Medical/Dental/Vision * 401(k) plan * Tuition reimbursement program * Paid Time Off and Holidays * Paid Parental Leave * Disability Benefits


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