H-1B Visa Linux Software Engineer Jobs
Linux Software Engineers are among the most consistently sponsored H-1B visa roles in the U.S. tech sector, with demand concentrated in cloud infrastructure, embedded systems, and kernel development. Employers filing LCAs for these roles typically classify them under SOC codes tied to software developers, which means your degree field and job duties both need to align clearly with a specialty occupation.
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Get Access To All JobsJob Title: Linux Security Engineer
Location: New York City, NY - Hybrid
Duration: 12+ months
Job Summary:
We are looking to accelerate delivery timelines for software updates across our range of tooling used to manage Kerberos authentication and related activities at Morgan Stanley.
Basic Qualifications:
- Highly experienced UNIX/Linux systems/security engineer proficient in C systems and network programming and systems integration in an enterprise environment
- Good knowledge of UNIX/Linux operating environments
- Proficiency with UNIX/Linux systems and network programming in C
- Experience with Perl programming
- Awareness of security concepts and defensive programming
- Familiarity with Kerberos
- Ability to work to delivery deadlines
Preferred Qualifications:
- Experience of contributing to open source projects
- Familiarity with Python
- Excellent written and verbal communications skills
- Experience with deployment automation pipelines (Jenkins)
- Kerberos development experience
- Comfort working in an agile development environment
What we are not seeking:
- Pure developers unfamiliar with deployment and problem resolution challenges
- Embedded C developers
- High level language developers who are unfamiliar with direct use of the UNIX/Linux C system interface.
Job Title: Linux Security Engineer
Location: New York City, NY - Hybrid
Duration: 12+ months
Job Summary:
We are looking to accelerate delivery timelines for software updates across our range of tooling used to manage Kerberos authentication and related activities at Morgan Stanley.
Basic Qualifications:
- Highly experienced UNIX/Linux systems/security engineer proficient in C systems and network programming and systems integration in an enterprise environment
- Good knowledge of UNIX/Linux operating environments
- Proficiency with UNIX/Linux systems and network programming in C
- Experience with Perl programming
- Awareness of security concepts and defensive programming
- Familiarity with Kerberos
- Ability to work to delivery deadlines
Preferred Qualifications:
- Experience of contributing to open source projects
- Familiarity with Python
- Excellent written and verbal communications skills
- Experience with deployment automation pipelines (Jenkins)
- Kerberos development experience
- Comfort working in an agile development environment
What we are not seeking:
- Pure developers unfamiliar with deployment and problem resolution challenges
- Embedded C developers
- High level language developers who are unfamiliar with direct use of the UNIX/Linux C system interface.
See all 97+ H-1B Visa Linux Software Engineer Jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new H-1B Visa Linux Software Engineer Jobs.
Get Access To All JobsTips for Finding H-1B Visa Sponsorship as a Linux Software Engineer
Align your resume to SOC codes
Linux Software Engineer roles are typically filed under software developer SOC codes. Review the O*NET occupation profile for your target title and mirror its language in your resume so your duties match what the employer certifies on the LCA.
Verify prevailing wage before negotiating
Run your target job title, location, and experience level through the OFLC Wage Search before your first offer call. Your employer's LCA must certify at least the prevailing wage, so knowing Level I through Level IV ranges gives you a real floor to negotiate from.
Target E-Verify enrolled employers early
If you're on OPT or cap-gap, you must work for an E-Verify enrolled employer for STEM OPT eligibility. Confirm enrollment during the recruiter screen, not after an offer, since switching employers mid-process resets your timeline.
Search H-1B filing history on Migrate Mate
Filter by Linux or systems engineering roles on Migrate Mate to see which employers have active LCA filing history for this occupation. That data tells you which companies have actually sponsored the role, not just which ones say they're open to it.
Request premium processing before your start date
USCIS standard H-1B adjudication can run several months. If your OPT expires before your H-1B start date, ask your employer to file with premium processing. The 15-business-day guarantee reduces status gap risk for roles with hard project deadlines.
Document proprietary kernel or system work carefully
USCIS RFEs for Linux roles often challenge whether the position requires a specific degree rather than general IT skills. Your employer's support letter should describe the complexity of your kernel, driver, or system architecture work in concrete technical terms, not just job titles.
H-1B Visa Linux Software Engineer: Frequently Asked Questions
Do Linux Software Engineer roles qualify as H-1B specialty occupations?
Yes, provided the position requires at least a bachelor's degree in a directly related field such as computer science, electrical engineering, or computer engineering. Generic IT support or systems administration roles can face RFEs if the employer's job description doesn't establish that a specific technical degree is a minimum requirement. The more the role involves kernel development, device drivers, or complex systems architecture, the stronger the specialty occupation argument.
Which employers commonly sponsor H-1B visas for Linux Software Engineers?
Cloud infrastructure providers, semiconductor companies, defense contractors, and enterprise software firms are the most consistent sponsors for Linux-focused roles. Embedded systems and networking hardware companies also file regularly because Linux expertise is core to their product development, not peripheral. Use Migrate Mate to browse employers with verified LCA filing history specifically for software engineering and systems roles, so you're targeting companies that have actually sponsored the position before.
How does the H-1B cap lottery affect Linux Software Engineer job offers?
Most Linux Software Engineer positions at for-profit companies are subject to the annual H-1B cap and lottery, which opens each April for an October 1 start date. If you're not selected, your status and work authorization don't begin until the next lottery cycle. Some employers at universities, nonprofit research institutions, or cap-exempt organizations can file outside the lottery, so it's worth confirming cap status during the offer process.
What happens to my H-1B if I switch from one Linux role to another employer?
H-1B portability under AC21 lets you start working for a new employer as soon as they file a new H-1B petition, as long as your prior petition was approved and you've been in valid H-1B status for at least 180 days. The new employer must file before your current status expires. If the SOC code or job duties change significantly, USCIS treats it as a new petition rather than a straightforward transfer.
What documentation does my employer need to support an H-1B petition for this role?
Your employer needs a certified LCA from DOL, an I-129 petition, and a support letter that describes the specific technical duties of the Linux role and explains why a bachelor's degree in a relevant engineering or computer science field is required. For roles involving proprietary kernel work or embedded firmware, the support letter should detail the complexity of the systems involved. USCIS may also request evidence of your academic credentials, particularly if your degree is from a non-U.S. institution.