Last updated: October 2026
Southwest Research Institute (SwRI) is a San Antonio nonprofit that has done contract research for government and industry since 1947, and it reported record revenue of $966 million in fiscal 2025 with about 3,200 employees. For interns it offers something few employers do: "competitive pay, complimentary housing, and paid transportation to and from San Antonio," according to its interns page.
In plain words: you apply during fall and winter 2026–27, and you intern in summer 2027. On 3 October 2026, SwRI's application system listed one summer 2027 student posting and two year-round jobs for local students. More summer postings usually arrive one at a time from October to about February, and they come down when they're filled.
Quick Facts
| Fact | Detail |
|---|---|
| Where to apply | SwRI's student job list on its ResApp system. Search for student roles, not "intern"; overview on the interns page |
| Application window (2027–28) | Started: postings for summer 2027 live since Aug–Sep 2026; more expected weekly from ~Oct 2026 to ~Feb 2027 |
| Rolling? | Yes. No student posting shows a deadline; postings come down when filled |
| Eligibility | Enrolled at an accredited university; most student postings require US citizenship or US-person status; valid driver's license on every posting we read; no GPA published |
| Duration | Summer dates not published; separate year-round part-time jobs for San Antonio-area students |
| Compensation | Hourly rate not published; SwRI states "competitive pay, complimentary housing, and paid transportation to and from San Antonio" |
| Return offers | Conversion rate not published; SwRI recruits for summer, year-round and full-time roles at the same fairs |
| Locations | All live student postings in San Antonio, TX (HQ campus); other offices include Boulder, CO, Austin, TX and Dayton, OH |
| # Programs | Division-run summer student positions and year-round local student jobs, across space science, mechanical engineering, defense, chemistry and intelligent systems |
SwRI's summer 2027 season has started but is early: one summer posting is live, and a second one from August was already gone by 3 October. Check the student list weekly through February.
SwRI student postings ask for data analysis, engineering software and clear reporting of results, and a finished project shows all three. Externships are short, remote programs where you complete a real project for a real company, most commonly over 8 weeks. The Hydroficient IoT Cyber Defense Externship fits SwRI's IT and cyber student roles, and the Wayfair n8n AI Agent Engineering Externship fits its software and intelligent-systems work. Explore all Externships.
What Is a Southwest Research Institute Internship?
A Southwest Research Institute internship is a paid summer or year-round student position in one of SwRI's research divisions in San Antonio, Texas. SwRI is an independent nonprofit that does applied research and development under contract, with work that runs from NASA space missions to vehicle testing, turbomachinery and defense electronics. There's no single branded program: each division posts its own "Student Assistant-R&D" or "Student Engineer" roles, and the careers site calls them internships. Students work "for and alongside full-time Engineers, Scientists, and Technicians," in the words of a 2027 posting, on design, testing and analysis. Summer interns who relocate get free housing and paid travel, plus a summer social, volunteer events and end-of-summer intern presentations. Local students can also apply for year-round part-time jobs during the school year.

When Do Southwest Research Institute Internship Applications Open for 2027–2028?
SwRI doesn't open one application window. Its divisions post summer student positions one at a time, and a student on Reddit put the pattern simply: SwRI starts opening summer internships in October and releases new ones weekly until around February. SwRI's own postings fit that. Two summer 2026 student roles carry posting dates of 15 October and 7 November 2025 in their page data, and this cycle's first summer 2027 postings went up on 18 August and 10 September 2026. The August one, a Mechanical Design role, was already off the student list by 3 October. From an October to February posting to a late-spring start, that's a lead time of roughly four to eight months; SwRI doesn't publish start dates. Applications for summer 2027 have started, and the bulk are expected between October 2026 and February 2027.
Applications for summer 2027 have started. One summer posting is live (Rotating Machinery Design, Development, and Test, for rising seniors and graduate students), plus two year-round jobs for San Antonio students. A summer 2027 Mechanical Design posting from August has already come down.
SwRI's last two fall career fairs: the University of Michigan virtual engineering fair on 9 October and CU Boulder's technology fair on 13 October. Earlier fall stops included Texas A&M, UT Austin, UTSA, Georgia Tech and Virginia Tech.
Summer 2027 postings are expected to keep arriving, about weekly, as divisions open roles. Each closes when it's filled, so check the student list every week and apply as soon as one fits.
Interviews: students describe an HR screen, a hiring-manager interview and a technical interview. Roles on government projects add a security investigation after selection. Applications can sit "under consideration" for weeks.
The internship, in San Antonio, with free housing and paid travel for relocating students, a summer social and end-of-summer intern presentations. SwRI doesn't publish start or end dates.
How to read this page: our dates come from tracking previous recruiting cycles and daily posting data. Treat them as informed estimates based on historical patterns, not confirmed dates. The company's official careers page is always the most current source. If a role is posted there, go by that, even if this page suggests the window hasn't opened yet.
Why You Must Apply the Week Applications Open
SwRI postings don't have deadlines, but they don't stay up long either. The summer 2027 Mechanical Design role posted on 18 August 2026 was on the student list on 28 September and gone by 3 October, about six weeks after it went up. Each division fills its own seats, and when a posting comes down there's no notice.
That's why the weekly check matters more than an early start date. With postings arriving one at a time from October to about February, a student who checks once a month can miss a role entirely. Make a ResApp profile so you can set job alerts, then apply the week a matching posting appears.
Which Southwest Research Institute Internship Programs Should You Target?
SwRI's student hiring is division-by-division. These are the routes, with what was live on 3 October 2026.
| Route | Live on 3 Oct 2026 | Who it's for | Key detail |
|---|---|---|---|
| Summer 2027 student positions | 1: Rotating Machinery Design, Development, and Test (Mechanical Engineering Division) | That posting: rising seniors and graduate students in mechanical, civil or aerospace engineering | Free housing and paid travel; US-person rule (ITAR) on that posting |
| Year-round local student jobs | 2: Space Science computer and network support; fluids lab engineer (Fall 2026 start) | Students at San Antonio-area schools | Part-time during the school year |
| Summer tracks from the last cycle | Mechanical Design (Applied Power), Pharmaceuticals & Bioengineering, Intelligent Transportation Systems software | Expected to return as divisions post | Previous cycle; check weekly |
| Campus recruiting | Fall 2026 fairs at about 15 schools; the last two are 9 and 13 October | Students at visited schools | SwRI recruits for summer, year-round and full-time roles |
The live list is on SwRI's student job search, and fair dates are on the recruiting events page.
What Are the Eligibility Requirements?
SwRI sets requirements per posting, but a few lines repeat:
• Enrollment: "Internship applicants must be enrolled in an accredited university." The live summer posting accepts bachelor's, master's or PhD students, and undergraduates must be rising seniors.
• Citizenship or US-person status: the Space Science IT posting requires US citizenship and a government security investigation; the two Mechanical Engineering Division postings require US-person status (citizen, national, permanent resident, asylee or refugee) because of ITAR work.
• Driver's license: every student posting we read, live or recent, requires a valid, clear driver's license.
• GPA: no student posting states one.
• Local roles: year-round jobs are for students who can work in San Antonio during the school year.

Do You Need to Be a US Citizen?
For most SwRI student roles, you need either US citizenship or US-person status, and the difference matters. Roles on government projects, such as the Space Science IT job, say "Applicant must be a U.S. citizen" and add a security investigation. Roles with export-controlled work, such as the two Mechanical Engineering Division postings, accept any US person, which includes permanent residents, asylees and refugees. Not every role has a line at all: a 2026 Pharmaceuticals and Bioengineering posting had none. Read the Special Requirements field on each posting.
What Skills Does Southwest Research Institute Look For, and How Do You Build Them?
SwRI's student postings are short and practical. Reading three live postings and three from the last cycle, the same expectations come up:
• Working inside a research team: all six describe working for or alongside senior engineers and staff.
• Data and reporting: collecting, analyzing and reporting data in five, and communicating or presenting results in five.
• Engineering tools and hands-on work: software such as SolidWorks, LabVIEW, Python or ANSYS in five, and lab, shop or test work in four.
Every one also requires a valid driver's license, a practical gate that's easy to miss.
What Southwest Research Institute looks for in interns
Skills across 6 Southwest Research Institute intern & analyst job descriptions · 3 live + 3 recent student postings, 2025–2026
Method: full-text read of six SwRI student postings on ResApp: three live on 3 Oct 2026 and three from the last cycle (Mechanical Design, Pharmaceuticals & Bioengineering, Intelligent Transportation Systems). Small sample; four of six are engineering-lab roles, so lab and test skills weigh heavily.
How Is Demand for Engineering Interns Moving Right Now?
Mechanical engineering intern postings · Sep vs Aug 2026
vs 207 in August
Many engineering employers filled their boards in September, while SwRI posts slowly through February. Apply to fall-posting employers now and keep checking SwRI's list every week.
Daily US job-posting counts, Sep 1–30 vs Aug 1–31, 2026. Covers under half of US postings; shows direction, not market size. Pay = median of employer-published ranges only (87 postings in September, 36 in August).
Build These Skills Before You Apply
Each row pairs a phrase from an SwRI student posting with an open Externship that gives you a finished project to discuss.
| Skill (from real JDs) | JD evidence | Externship that builds it |
|---|---|---|
| IT & security | Space Science student IT role: configure systems and help resolve computer and network issues in a research environment | Hydroficient IoT Cyber Defense |
| Software & machine learning | Intelligent Systems student role (2026): software for traffic coordination, computer vision and machine learning | Wayfair n8n AI Agent Engineering |
| Data handling & databases | Rotating Machinery posting: "recording measurements" and "analysis and reporting" | Breaking Games SQL Database Architecture |
| Data extraction & reporting | Pharmaceuticals & Bioengineering role (2026): record data and prepare reports and presentations | Pfizer Advanced: AI-Powered Document Insights & Data Extraction |
Bring the result to the interview as a short presentation. SwRI interns present their work at the end of the summer, and interviewers ask about past projects.
What Is the Southwest Research Institute Application and Interview Process Like?
SwRI's process runs through HR first and then the division that posted the role:
1. Find student postings. On ResApp, open the student job list. A keyword search for "intern" returns mostly unrelated full-time jobs, because SwRI titles these roles "Student Assistant-R&D" or "Student Engineer."
2. Apply per posting. Each posting has its own code; create a profile if you want job alerts.
3. HR screen. A commenter on Reddit whose relative hires for one SwRI division says every hire starts with an HR screening interview.
4. Division interviews. An applicant for an automotive R&D internship describes a hiring-manager screen and then a technical interview that felt tough for a student position.
5. Selection and clearance. Roles on government projects add a security investigation after selection.
Applications can sit "under consideration" for a long time, so keep applying to other roles while you wait.
What Students on Reddit Say
SwRI comes up mostly on San Antonio and UTSA subreddits, and the advice is specific.
SwRI starts opening summer internships in October and posts new ones every week until around February. It's a great place to intern if you meet the citizenship requirements, so tailor your resume now and apply through the fall.
An applicant for an automotive R&D internship describes three rounds: HR, a screening interview with the hiring manager, then a technical interview that felt brutal for a student role. Others say interviewers mainly want to see that you're easy to work with and take initiative.
SwRI is a big place, and your experience depends on the division. Staff describe it as laid back with better work-life balance than most commercial engineering jobs, and one commenter with a hiring manager in the family says every hire starts with an HR screen.
How Do You Stand Out at SwRI?
Three moves that match how SwRI hires.
First, check the student list every week until February. Postings arrive one at a time and disappear when filled. A ResApp profile with alerts does most of this for you.
Second, pick the division, not just the institute. Space science, mechanical engineering, defense electronics, chemistry and intelligent systems are different worlds. Name the division's work in your application and bring a project from that field to talk through.
Third, sort out the practical gates now. Confirm whether you meet the citizenship or US-person line on the posting, and make sure you hold a valid driver's license, which every student posting we read requires.
SwRI doesn't publish an intern conversion rate, but it recruits for summer, year-round and full-time roles at the same fairs.

What Other Companies Should You Consider?
Students looking at SwRI usually compare it with other research organizations and engineering employers:
- Battellethe closest match: an independent nonprofit doing contract R&D, with its own internshipsGuide →
- MITREnonprofit that runs federally funded research centers; a structural peerCareers site
- Idaho National LaboratoryDOE research lab with engineering internships and similar citizenship rulesGuide →
- NASAcivil space agency; SwRI leads NASA missions such as Lucy and PUNCHGuide →
- USAAlarge San Antonio employer that recruits in the fall for summer internshipsGuide →
For more employers across the field, see our engineering internships summer 2027 guide.

FAQ
Can I still apply for a summer 2026 SwRI internship?
No. SwRI's summer 2026 student postings have come down. On 3 October 2026 the student list showed one summer 2027 posting, in rotating machinery for rising seniors and graduate students, plus two year-round jobs for San Antonio students. More summer 2027 postings are expected weekly through about February 2027.
When do SwRI summer 2027 internship applications open?
They've started. SwRI's first summer 2027 student postings went up in August and September 2026, and students report that new summer postings arrive weekly from October to about February. Last cycle, two summer 2026 roles were posted on 15 October and 7 November 2025.
Is there a deadline for SwRI internships?
No published deadline. SwRI student postings stay open until they're filled, and some fill fast: a summer 2027 Mechanical Design posting from 18 August 2026 was gone from the list by 3 October. Check the student job list weekly and apply the week a matching posting appears.
Does SwRI pay interns and provide housing?
Yes. SwRI says it offers "competitive pay, complimentary housing, and paid transportation to and from San Antonio" to interns. It doesn't publish an hourly rate on its student postings, and Texas has no pay-transparency law. A 2024 intern review on Indeed called the pay the main drawback.
Do I need to be a US citizen for an SwRI internship?
For most roles, you need US citizenship or US-person status. Government-project roles require citizenship and a security investigation, while ITAR roles accept permanent residents, asylees and refugees too. On 3 October 2026, one live student posting required citizenship and two required US-person status.
Where are SwRI internships located?
All three live student postings on 3 October 2026 were at SwRI's San Antonio headquarters campus. SwRI also has offices in Boulder, Colorado, Austin, Texas, Dayton, Ohio and Oklahoma City, but none had a student posting. Relocating summer interns get free housing and paid travel to San Antonio.
What is the SwRI internship interview like?
Expect several rounds. A Reddit commenter whose relative hires for SwRI says every hire starts with an HR screen, and an applicant for an automotive R&D internship describes a hiring-manager interview followed by a tough technical one. Bring a project you can explain in depth, since interviewers ask about past work.
How do I find SwRI internship postings?
Use SwRI's ResApp system and open the student job list. Don't search for "intern": SwRI titles student roles "Student Assistant-R&D" or "Student Engineer," so that keyword mostly returns full-time jobs. Create a profile to set job alerts, because postings arrive one at a time.
SwRI's summer 2027 postings will arrive one at a time through February, so set a weekly check now. In the meantime, a remote Externship gives you a finished project to present in an SwRI interview.
About the Author
Bifei Wang has spent 17 years focused on human flow and the growth of young professionals, spanning international education, career training and coaching, and recruitment process outsourcing. Over 7 years at Extern, he has had one-on-one sessions with thousands of students exploring careers in consulting, finance, tech, marketing, and data, giving him a firsthand view of how the job market has shifted for early-career professionals and what it actually takes to break in.


