Jobs / United States / AT&T Services INC
Senior Systems Administrator (Government)
AT&T Services INC · 🇺🇸 Columbia, Maryland
Sponsorship verdict
Posting rules out sponsorship
The posting rules out sponsorship or requires citizenship/clearance.
- Employer is on a government sponsor recordThe US Department of Labor certified 393 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 80 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What AT&T Services INC paid sponsored hires in similar roles6 certified filings for “LEAD SYSTEM ENGINEERING” (Network and Computer Systems Administrators) in TX: $153k–$175k, median $164k. Most were filed at wage level IV (67%) — 4 lottery entries, ≈61% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Security clearance mentionedFrom the posting’s own wording.
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
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Why not apply?
The posting mentions a security clearance — usually restricted to citizens of that country.
SponsorApply flags time-wasters so your applications go where they can land. These come from the posting's own wording — read the original listing to confirm. See better-fit alternatives →
Sponsor Radar — AT&T Services INC
The US Department of Labor certified 393 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 80 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for AT&T Services INC →
About the role
This position requires office presence of a minimum of 5 days per week and is only located at customer's site. Actual work location will be Suitland, MD 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. AT&T has an opening for a Senior System Administrator to support operations by maintaining, documenting, and administering enterprise IT systems. This role is the Senior System Administrator will deliver helpdesk and troubleshooting support, oversee problem resolution, and maintain system configurations to ensure availability, reliability, and security. Job Duties/Responsibilities: • Install, configure, administer, monitor, patch, upgrade, and maintain enterprise systems. • Support Windows, Red Hat Linux, Trusted Linux, VMware, applications, endpoints, and related infrastructure. • Troubleshoot complex hardware, software, access, performance, connectivity, and availability issues. • Perform root-cause analysis and implement authorized corrective actions. • Administer user accounts, permissions, and access controls. • Support backups, restoration, recovery testing, and continuity procedures. • Implement approved security patches, configuration changes, and vulnerability remediation. • Monitor system health, capacity, performance, services, logs, and storage utilization. • Maintain system documentation, SOPs, technical manuals, work logs, configuration records, and help-desk tickets. • Support configuration management, change control, system testing, deployment, sustainment, modernization, and decommissioning. • Coordinate with cybersecurity, network, database, software, systems engineering, and government teams. • Provide technical guidance and mentoring to junior administrators. • Comply with classified-information handling, Information Assurance, access-control, and customer-security requirements. Clearance Requirements: Active TS w/SCI Eligibility with poly (#tssci) (#polygraph) Required Qualifications: • Bachelor’s degree in information technology, computer science, engineering, or a related field. • Eight years of relevant systems administration or infrastructure-support experience. • Experience supporting Windows, Linux, VMware, enterprise applications, hardware, and software. • Experience with incident resolution, system maintenance, technical documentation, and change-control processes. • Ability to obtain and maintain required security clearance, access eligibility, and customer approvals. Desired Qualifications: • Security+ or relevant certification. • Experience supporting classified, secure, disconnected, or restricted environments. • Experience with PowerShell, Bash, Python, or other system-administration automation. • Experience with vulnerability remediation, system hardening, monitoring, backup, and recovery. Our Senior System Administrator's earn between $89,200 - $220,480 . 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 R