System Administrator Visa Sponsorship Jobs in Texas
Texas is one of the most active states for system administrator visa sponsorship, driven by major tech corridors in Austin, Dallas, and Houston. Employers like Dell Technologies, AT&T, and Amazon Web Services regularly hire internationally for infrastructure and IT operations roles. The state's concentration of energy, healthcare, and defense sectors creates sustained demand for skilled sysadmins.
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Get Access To All JobsINTRODUCTION
About M.C. Dean
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Why Join Us?
Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.
ROLE AND RESPONSIBILITIES
We are seeking a System Administrator 3 to join our Security and Electronic Systems (SES) business unit. As part of (SES) Strategic Business Unit you will be part of a dynamic team responsible for design, implementation, operations & maintenance, and cybersecurity for large complex resilient hardware and virtualized infrastructure to ensure implemented solutions meet stakeholder needs, standards, and performance requirements.
What you’ll do: In this role you will be working as part of a team to monitor, maintain, and test Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and maintenance of Information Technology (IT) systems in support of the endpoint devices. The position provides Tier 2 (Escalation) problem identification, diagnosis and resolution of problems and supports the escalation and communication of status to agency management and internal customers.
This position requires onsite support at a single work location in the Washington D.C. area. Candidates must be flexible in schedule, have the ability to travel, and be able to communicate professionally with customers and coworkers. Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success in this role.
Main responsibilities include but are not limited to:
- Manage physical security system support to meet service level agreements.
- Configure and manage Windows operating systems and install/load operating system software.
- Perform desktop hardware and operating system set-up, imaging software loading, and antivirus updates.
- Analyze security system infrastructure performance and recommend improvements.
- Troubleshoot, maintain integrity and configure components along with implementing operating systems enhancements to improve reliability and performance.
- Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
- Perform IAVA updates and patching to ensure compliance with Information Assurance (IA) standards.
- Apply Security Technical Implementation Guides (STIGs) to Windows based operating systems (servers and workstations).
- Implement and maintain sophisticated enterprise Windows Active Directory Architectures.
- Perform daily operations to include Active Directory management, monitoring and reviewing system logs.
- Configure and maintain virtual hypervisors to include VMware and Hypervisor.
- Deploy, configure, and maintain Virtual Desktop Infrastructure (VDI) platforms to include Citrix Xen Desktop.
- Install, configure, and maintain 3rd party applications.
- Install, configure and maintain highly available SQL database Engines.
- Deploy and maintain storage platforms similar to Dell EqualLogic and Dell Powervault.
- Analyze requirements of future deployments and make recommendations for IT infrastructure including all hardware and software required fulfill those requirements.
- Perform root cause analysis on significant issues across all tiers of support.
- Perform preventive maintenance actions including system back-ups, error log reviews, database size analysis, and integrity checks.
- Develop new system and application implementation plans to include testing procedures and ensuring operational reliability.
- Stay current with technological developments and make recommendations for ways to take advantage of new and emerging technology.
- Create technical documentation such as standard operating procedures (SOP) and as builds for both technical and non-technical audiences.
- Train system users and other system support personnel as needed.
- Perform all duties with minimal direct supervision.
BASIC QUALIFICATIONS
Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and may meet eligibility requirements, including U.S. Citizenship, for access to classified information; no clearance needed.
Education/Experience:
- Bachelor's Degree and 5+ Years of progressive experience or
- Associates Degree and 8+ Years of progressive experience or
- HS Diploma or Equivalent and 10+ Years of progressive experience
- Requires system administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
- Requires 2+ years of experience programming/administrating Physical Access Control Systems.
- Demonstrated previous experience effectively managing small teams.
- Demonstrated understanding of Windows patching and vulnerability remediation.
- Demonstrated advanced knowledge of Windows active directory hierarchy and implementation.
- Basic knowledge of large-scale networking, VLANS and routing.
- Requires reliable attendance at customer site during work hours required by customer.
- Requires the ability to work flexible shifts that include nights, weekends and holidays as needed.
- Requires minimum of Security + Certification, CASP, or CISSP certification.
- Demonstrated background working with multidisciplinary teams.
- Demonstrated time management and organization skills to meet deadlines and quality objectives.
- Proficient in MS Excel, Word, Visio, and PowerPoint.
PREFERRED QUALIFICATIONS
- Proficiency with ACAS and HBSS and mitigation strategies
- Assessment, mitigation, and closure of network vulnerabilities and vulnerability management eMASS
- Applying STIGs to servers, databases, applications, and other hardware Security Readiness Review (SRR) Tools (scripts and ACAS)
- Excellent understanding of the DoD RMF lifecycle and NIST 800-53 controls implementation
- Awareness of NIST Special Publication 800-82, Guide to Industrial Control Systems (ICS) Security and UFC 4-010-06 Unified Facilities Criteria (UFC) Cybersecurity of Facility
TRAVEL
- Up to 10% annual, CONUS and OCONUS locations.
WHAT WE OFFER
- A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.
- An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
- Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
- Open and transparent communication with senior leadership as well as local office management.
ABILITIES
- Exposure to computer screens for an extended period of time.
- Sitting for extended periods of time.
- Reach by extending hands or arms in any direction.
- Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
- Listen to and understand information and ideas presented through spoken words and sentences.
- Communicate information and ideas in speaking so others will understand.
- Read and understand information and ideas presented in writing.
- Apply general rules to specific problems to produce answers that make sense.
- Identify and understand the speech of another person.
INTRODUCTION
About M.C. Dean
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Why Join Us?
Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.
ROLE AND RESPONSIBILITIES
We are seeking a System Administrator 3 to join our Security and Electronic Systems (SES) business unit. As part of (SES) Strategic Business Unit you will be part of a dynamic team responsible for design, implementation, operations & maintenance, and cybersecurity for large complex resilient hardware and virtualized infrastructure to ensure implemented solutions meet stakeholder needs, standards, and performance requirements.
What you’ll do: In this role you will be working as part of a team to monitor, maintain, and test Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and maintenance of Information Technology (IT) systems in support of the endpoint devices. The position provides Tier 2 (Escalation) problem identification, diagnosis and resolution of problems and supports the escalation and communication of status to agency management and internal customers.
This position requires onsite support at a single work location in the Washington D.C. area. Candidates must be flexible in schedule, have the ability to travel, and be able to communicate professionally with customers and coworkers. Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success in this role.
Main responsibilities include but are not limited to:
- Manage physical security system support to meet service level agreements.
- Configure and manage Windows operating systems and install/load operating system software.
- Perform desktop hardware and operating system set-up, imaging software loading, and antivirus updates.
- Analyze security system infrastructure performance and recommend improvements.
- Troubleshoot, maintain integrity and configure components along with implementing operating systems enhancements to improve reliability and performance.
- Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
- Perform IAVA updates and patching to ensure compliance with Information Assurance (IA) standards.
- Apply Security Technical Implementation Guides (STIGs) to Windows based operating systems (servers and workstations).
- Implement and maintain sophisticated enterprise Windows Active Directory Architectures.
- Perform daily operations to include Active Directory management, monitoring and reviewing system logs.
- Configure and maintain virtual hypervisors to include VMware and Hypervisor.
- Deploy, configure, and maintain Virtual Desktop Infrastructure (VDI) platforms to include Citrix Xen Desktop.
- Install, configure, and maintain 3rd party applications.
- Install, configure and maintain highly available SQL database Engines.
- Deploy and maintain storage platforms similar to Dell EqualLogic and Dell Powervault.
- Analyze requirements of future deployments and make recommendations for IT infrastructure including all hardware and software required fulfill those requirements.
- Perform root cause analysis on significant issues across all tiers of support.
- Perform preventive maintenance actions including system back-ups, error log reviews, database size analysis, and integrity checks.
- Develop new system and application implementation plans to include testing procedures and ensuring operational reliability.
- Stay current with technological developments and make recommendations for ways to take advantage of new and emerging technology.
- Create technical documentation such as standard operating procedures (SOP) and as builds for both technical and non-technical audiences.
- Train system users and other system support personnel as needed.
- Perform all duties with minimal direct supervision.
BASIC QUALIFICATIONS
Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and may meet eligibility requirements, including U.S. Citizenship, for access to classified information; no clearance needed.
Education/Experience:
- Bachelor's Degree and 5+ Years of progressive experience or
- Associates Degree and 8+ Years of progressive experience or
- HS Diploma or Equivalent and 10+ Years of progressive experience
- Requires system administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
- Requires 2+ years of experience programming/administrating Physical Access Control Systems.
- Demonstrated previous experience effectively managing small teams.
- Demonstrated understanding of Windows patching and vulnerability remediation.
- Demonstrated advanced knowledge of Windows active directory hierarchy and implementation.
- Basic knowledge of large-scale networking, VLANS and routing.
- Requires reliable attendance at customer site during work hours required by customer.
- Requires the ability to work flexible shifts that include nights, weekends and holidays as needed.
- Requires minimum of Security + Certification, CASP, or CISSP certification.
- Demonstrated background working with multidisciplinary teams.
- Demonstrated time management and organization skills to meet deadlines and quality objectives.
- Proficient in MS Excel, Word, Visio, and PowerPoint.
PREFERRED QUALIFICATIONS
- Proficiency with ACAS and HBSS and mitigation strategies
- Assessment, mitigation, and closure of network vulnerabilities and vulnerability management eMASS
- Applying STIGs to servers, databases, applications, and other hardware Security Readiness Review (SRR) Tools (scripts and ACAS)
- Excellent understanding of the DoD RMF lifecycle and NIST 800-53 controls implementation
- Awareness of NIST Special Publication 800-82, Guide to Industrial Control Systems (ICS) Security and UFC 4-010-06 Unified Facilities Criteria (UFC) Cybersecurity of Facility
TRAVEL
- Up to 10% annual, CONUS and OCONUS locations.
WHAT WE OFFER
- A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.
- An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
- Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
- Open and transparent communication with senior leadership as well as local office management.
ABILITIES
- Exposure to computer screens for an extended period of time.
- Sitting for extended periods of time.
- Reach by extending hands or arms in any direction.
- Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
- Listen to and understand information and ideas presented through spoken words and sentences.
- Communicate information and ideas in speaking so others will understand.
- Read and understand information and ideas presented in writing.
- Apply general rules to specific problems to produce answers that make sense.
- Identify and understand the speech of another person.
System Administrator Job Roles in Texas
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Search System Administrator Jobs in TexasSystem Administrator Jobs in Texas: Frequently Asked Questions
Which companies sponsor visas for system administrators in Texas?
Large employers with significant Texas footprints, including Dell Technologies, AT&T, IBM, Amazon Web Services, and Hewlett Packard Enterprise, have a documented history of sponsoring H-1B visas for system administrator roles. Healthcare systems like HCA Healthcare and energy companies such as ExxonMobil and Chevron also appear in Department of Labor disclosure data as sponsors for IT infrastructure positions in Texas.
Which visa types are most common for system administrator roles in Texas?
The H-1B is the most common visa category for system administrators in Texas, provided the role meets the specialty occupation standard, meaning a bachelor's degree in computer science, information systems, or a closely related field is typically required. L-1B visas are another pathway for intracompany transferees with specialized knowledge of employer systems. TN visa status is also used by Canadian and Mexican nationals in qualifying IT roles.
Which cities in Texas have the most system administrator sponsorship jobs?
Austin leads Texas for sysadmin sponsorship activity, anchored by its dense concentration of tech companies and cloud infrastructure teams. Dallas-Fort Worth is close behind, with major corporate headquarters and managed service providers driving consistent demand. Houston adds volume through its energy sector IT operations and large healthcare networks. San Antonio also sees steady hiring tied to cybersecurity and military-adjacent contractors.
How to find system administrator visa sponsorship jobs in Texas?
Migrate Mate filters job listings specifically to roles where employers are open to visa sponsorship, making it straightforward to search system administrator positions in Texas without sorting through unsponsored listings. You can filter by city, narrowing results to Austin, Dallas, Houston, or San Antonio depending on where you want to work. Migrate Mate pulls from employers with verified sponsorship activity, which is particularly useful for sysadmin roles where sponsorship eligibility varies by team and employer size.
Are there any Texas-specific factors that affect system administrator visa sponsorship?
Texas has no state income tax, which affects prevailing wage calculations slightly compared to higher-tax states, though Department of Labor wage requirements still apply based on the specific metro area. The state's large university system, including UT Austin, Texas A&M, and UT Dallas, produces a pipeline of international graduates on OPT who are commonly hired for sysadmin roles before employers initiate H-1B sponsorship. Defense-adjacent roles in San Antonio may involve security clearance requirements that can complicate sponsorship for some nationalities.
What is the prevailing wage for sponsored system administrator jobs in Texas?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.