H-1B Visa Senior Systems Administrator Jobs
Senior Systems Administrator roles qualify for H-1B visa sponsorship as specialty occupations requiring a bachelor's degree in computer science, information systems, or a related field. Employers filing LCAs must meet DOL prevailing wage requirements, and most large enterprise IT teams have active H-1B filing history.
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Brownstone is seeking a skilled and detail-oriented System Administrator to manage, maintain, and support the company's IT infrastructure, ensuring system reliability, security, and optimal performance. The successful candidate will be responsible for server and network administration, user access management, system monitoring, cybersecurity, backup and disaster recovery, and troubleshooting technical issues.
This role will also be responsible for maintaining Cybersecurity Maturity Model Certification (CMMC) Level 2 compliance, implementing security measures, and ensuring IT systems align with applicable regulatory and organizational requirements. Additionally, the System Administrator will maintain technical documentation, support IT process automation, manage IT-related operational (OPEX) and capital expenditures (CAPEX), and assist with technology procurement.
The ideal candidate is proactive, highly organized, technically proficient, and capable of independently managing IT operations while providing reliable technical support and ensuring business continuity.
Core Job Responsibilities
- Server and System Management: Install, configure, and maintain operating systems (such as Linux, Windows Server, and macOS) as well as virtualized and cloud environments (such as VMware, AWS, or Azure).
- User and Access Control: Create and manage user accounts, group permissions, single sign-on (SSO), and security access policies across company tools.
- System Monitoring and Performance: Track server health, CPU usage, memory, storage capacity, and network traffic using monitoring and alerting dashboards.
- Security and Patch Management: Apply critical software patches, update firmware, configure firewalls, and monitor for unauthorized access or security threats.
- Backup and Disaster Recovery: Design, test, and execute data redundancy, routine backups, and recovery protocols to guarantee business continuity.
- Troubleshooting and Incident Response: Diagnose and resolve hardware, software, network, and system outages.
- Automation and Scripting: Write scripts using tools like PowerShell, Python, or Bash to automate repetitive administrative tasks like updates and account provisioning.
- Documentation: Maintain standard operating procedures (SOPs) and network architecture documentation.
- Compliance: Maintain and uphold CMMC Level 2.0 compliance.
- Administrative: Process OPEX and CAPEX related to the IT Department and assist with IT purchases.
Requirements & Qualifications
- Education: A bachelor's degree in Computer Science, Information Systems, or a related field (though industry certifications can often substitute for formal degrees).
- Certifications: Popular credentials include CompTIA Server+, CompTIA Network+, Microsoft Certified Azure Administrator, and Red Hat Certified Engineer (RHCE).
- Key Skills: Proficiency in TCP/IP, DNS, DHCP, virtualization technologies, cybersecurity best practices, and strong analytical troubleshooting.
Pay: $20.00 - $25.00 per hour
Work Location: In person
SystemAdministrator #NowHiring #ITJobs #ITCareers #SystemAdministration #ITInfrastructure #Cybersecurity #CMMC #NetworkAdministration #ServerManagement #InformationTechnology #TechJobs #ITSupport #HiringNow #BrownstoneCareers #GuamHiring
Job Overview
Brownstone is seeking a skilled and detail-oriented System Administrator to manage, maintain, and support the company's IT infrastructure, ensuring system reliability, security, and optimal performance. The successful candidate will be responsible for server and network administration, user access management, system monitoring, cybersecurity, backup and disaster recovery, and troubleshooting technical issues.
This role will also be responsible for maintaining Cybersecurity Maturity Model Certification (CMMC) Level 2 compliance, implementing security measures, and ensuring IT systems align with applicable regulatory and organizational requirements. Additionally, the System Administrator will maintain technical documentation, support IT process automation, manage IT-related operational (OPEX) and capital expenditures (CAPEX), and assist with technology procurement.
The ideal candidate is proactive, highly organized, technically proficient, and capable of independently managing IT operations while providing reliable technical support and ensuring business continuity.
Core Job Responsibilities
- Server and System Management: Install, configure, and maintain operating systems (such as Linux, Windows Server, and macOS) as well as virtualized and cloud environments (such as VMware, AWS, or Azure).
- User and Access Control: Create and manage user accounts, group permissions, single sign-on (SSO), and security access policies across company tools.
- System Monitoring and Performance: Track server health, CPU usage, memory, storage capacity, and network traffic using monitoring and alerting dashboards.
- Security and Patch Management: Apply critical software patches, update firmware, configure firewalls, and monitor for unauthorized access or security threats.
- Backup and Disaster Recovery: Design, test, and execute data redundancy, routine backups, and recovery protocols to guarantee business continuity.
- Troubleshooting and Incident Response: Diagnose and resolve hardware, software, network, and system outages.
- Automation and Scripting: Write scripts using tools like PowerShell, Python, or Bash to automate repetitive administrative tasks like updates and account provisioning.
- Documentation: Maintain standard operating procedures (SOPs) and network architecture documentation.
- Compliance: Maintain and uphold CMMC Level 2.0 compliance.
- Administrative: Process OPEX and CAPEX related to the IT Department and assist with IT purchases.
Requirements & Qualifications
- Education: A bachelor's degree in Computer Science, Information Systems, or a related field (though industry certifications can often substitute for formal degrees).
- Certifications: Popular credentials include CompTIA Server+, CompTIA Network+, Microsoft Certified Azure Administrator, and Red Hat Certified Engineer (RHCE).
- Key Skills: Proficiency in TCP/IP, DNS, DHCP, virtualization technologies, cybersecurity best practices, and strong analytical troubleshooting.
Pay: $20.00 - $25.00 per hour
Work Location: In person
SystemAdministrator #NowHiring #ITJobs #ITCareers #SystemAdministration #ITInfrastructure #Cybersecurity #CMMC #NetworkAdministration #ServerManagement #InformationTechnology #TechJobs #ITSupport #HiringNow #BrownstoneCareers #GuamHiring
See all 1,529+ H-1B Visa Senior Systems Administrator Jobs
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Get Access To All JobsTips for Finding H-1B Visa Sponsorship as a Senior Systems Administrator
Verify your degree maps to SOC 15-1244
Check the O*NET profile for Systems Administrators to confirm your degree field aligns with the specialty occupation definition. Mismatches between your credential and the SOC code are a leading cause of H-1B RFEs for this role.
Target employers with cap-exempt filing history
Universities, nonprofit research institutions, and government-affiliated entities are cap-exempt H-1B filers. Senior Systems Administrator roles at these organizations can be filed any time of year, bypassing the annual lottery entirely.
Search LCA filings by occupation code on Migrate Mate
Filter by SOC code 15-1244 on Migrate Mate to see which employers have active H-1B filings for Systems Administrator roles. This surfaces sponsors with recent DOL Labor Condition Application history, not just companies that list "visa sponsorship available."
Confirm the LCA wage level matches your actual duties
DOL assigns wage levels I through IV based on complexity and supervision. Senior-level sysadmin work typically warrants Level III or IV. A Level I wage on a senior role signals a mismatch that can trigger a USCIS specialty occupation challenge.
Document infrastructure ownership, not just task execution
H-1B petitions for Systems Administrators face higher scrutiny than software engineering roles. Your offer letter and employer support letter should describe architectural decision-making and system ownership, not routine maintenance, to satisfy the specialty occupation standard.
H-1B Visa Senior Systems Administrator: Frequently Asked Questions
Does a Senior Systems Administrator role qualify as an H-1B specialty occupation?
Yes, but the petition needs to show the role requires a bachelor's degree in a specific technical field, not just any degree. USCIS evaluates the actual duties, not the job title. Roles involving network architecture, enterprise infrastructure design, or security engineering generally qualify more cleanly than generalist support positions.
How do I find employers who have sponsored H-1B visas for Systems Administrator roles before?
Use Migrate Mate to search by SOC code 15-1244 and filter for employers with verified LCA filing history. DOL LCA disclosure data shows which companies have filed for this specific occupation code, giving you a more reliable signal of sponsorship intent than job postings alone.
Will my employer's H-1B petition be denied if my degree is in a different field?
It depends on how far the field is from information technology. Computer science, information systems, electrical engineering, and related technical degrees typically support a Systems Administrator petition. A degree in business or a non-technical field will likely trigger an RFE unless the employer can demonstrate the role's theoretical and practical requirements align with that credential.
Can I switch employers after my H-1B is approved as a Senior Systems Administrator?
Yes. Under AC21 portability, you can move to a new employer once your H-1B has been approved and you've been in valid H-1B status. The new employer files an H-1B transfer petition, and you can start working as soon as USCIS receives it, without waiting for approval. The new role must be in the same or a substantially similar occupational classification.
What wage level should my H-1B LCA reflect for a Senior Systems Administrator position?
The DOL uses four prevailing wage levels based on job complexity, autonomy, and supervisory responsibility. A senior-level role with independent system ownership and infrastructure decision-making typically falls at Level III or IV. You can verify the applicable prevailing wage for your location and occupation using the OFLC Wage Search tool before negotiating your offer.