National Sales Assistant Internships
National sales assistant internships give university students, recent graduates, and early-career switchers hands-on project experience across territory planning, client outreach, and sales operations, alongside mentorship from working sales professionals, and, at many employers, a path toward a full-time offer. Openings are concentrated in {{top_industries_phrase}}, with Interstates Companies among the employers posting roles now.
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Take Charge of Your Career at Interstates
At Interstates, we don't just show up to work, we show up for each other. From our headquarters in Iowa to job sites across the country, we're doing award-winning electrical, controls, automation, and OT work that powers industrial facilities for clients here in the U.S. and around the world. Whether you're bending conduit, wiring panels, writing code, supporting projects, or helping things run behind the scenes, you'll be part of a crew that works hard, shares laughs, and takes pride in doing quality work. We believe in building strong teams, doing the right thing, and making a difference in the communities where we live. If you want to grow and do meaningful work, you'll feel at home here.
Skip the internship that has you fetching coffee. At Interstates, you will jump into real projects, work alongside experienced mentors, travel across the country, and start building leadership skills from day one. At Interstates, we specialize in Electrical Construction, Engineering, Instrumentation, and Automation. Yes, that may sound like a mouthful, but we do not require any knowledge in those fields. We will teach you the industry as long as you bring the drive to learn. We believe in coaching, training, and development. If you're looking for a career where every day is different, your ideas matter, and your growth is a priority, we'd love to meet you!
As an Assistant Project Manager at Interstates, you'll work closely with our field crews to keep projects on track and ensure we deliver excellent work to clients, all while taking on some of the toughest challenges in the industry.
Here, integrity, trust and safety are always top of mind. Our work is exciting, and every single day is different. We will work together to solve problems, and we'll provide you with the training and support you need to craft a strong career path. You'll do it all at a dynamic, growing company that provides you with a competitive salary and outstanding benefits.
At Interstates, our success starts with yours.
Interstates Describes Its Culture as Family-Like
- Caring co-workers treat each other like family
- Be treated like an individual, not just a number
- Flexible schedules allow you to focus on your personal life as well as work life
- Lunch gatherings and social activities promotes fun and camaraderie
- Support charities and your community through events sponsored and hosted by Interstates
Our Why:
- Providing opportunities for our people
- Making a difference with our clients
- Pursuing a better way
Sound to good to be true? Put in your application today, and allow Interstates to prove to you why we are an Industry Leader in more ways than one.
What You'll Do:
- Help manage exciting industrial construction projects across the United States.
- Partner with Project Managers, Superintendents, customers, and field teams to keep projects moving forward.
- Learn how to manage project schedules, budgets, materials, RFI's, submittals, and logistics.
- Build relationships with customers and teammates while developing your leadership skills.
- Travel to project sites and experience work that's anything but ordinary.
- Grow through hands-on experience, mentorship, and leadership development.
Why Students Love This Opportunity:
- Nationwide travel opportunities.
- Mentorships from experienced leaders invested in your success.
- Real career growth-not just another entry level job.
- Leadership development from day one.
- A people first culture where you're valued as a person, not just an employee.
- Hands on experience that makes an impact.
We're Looking For Someone Who Is:
- Ready to start a Summer Internship in 2027
- Studying Construction Management, Engineering, Business, Project Management, or a related field.
- Strong communicator who enjoys working with people.
- Organized, motivated, and eager to solve problems.
- Excited to travel and experience projects across the country.
- Curious, coachable, and ready to learn.
What's in it for you? The hourly pay range for this position is $20-22 an hour. We invest in your future with competitive pay, mentorships, leadership training, comprehensive benefits, and a clear path for career advancement.
Travel Opportunity: Ready to spend your summer building experience AND your paycheck? Join our National Travel team and work at a jobsite for the full 15-week summer internship. Projects may be located anywhere in the lower 48 states, giving you the opportunity to explore a new place while gaining hands-on experience alongside our crews.
If you're ready for a summer of growth, adventure, and real-world experience, this could be the internship for you.
Benefits of Working at Interstates:
- 401(k) Retirement Plan + Company Match
- Health, Dental, and Vision Insurance Benefits (Short & Long-Term Disability, Group Life Insurance, and more)
- Company Discount Perk Program (Access to discounts with renown brands across the country)
- Paid Time Off & Holiday Pay, Flexible Schedule (Support work/life balance)
- Bonus Incentives (End of Fiscal Year Incentives and Merit Increases)
- Per Diem/Travel Pay or FAVR Program Benefits (as applicable)
- Family & safety culture – a team that cares about you as a whole person, not just what you do at work
- Company Sponsored Holiday Events, Team Celebrations, and Community Outreach Volunteer Time
- Advancement Opportunities unique to our employee's long-term goals
- Want to be a PM in 2-3 years. At Interstates, we can get you there!
- Career Coaching
- Not treated like a number, you are apart of our FAMILY
What You Should Know Before You Apply
Interstates may collect personal information as part of your job application, such as your contact details, work history, education, and any information you provide. This information is used only for recruitment, to evaluate your candidacy, and to meet legal requirements. For details about our privacy practices and your rights under the California Consumer Privacy Act (CCPA), please see our Privacy Policy. By applying, you acknowledge that you have reviewed this notice.
Interstates is an EEO provider and offers a drug-free workplace. Employment at Interstates is at-will and may be terminated at any time with or without notice or cause, except as otherwise provided by law.
National Sales Assistant Internship Market
Who's Hiring

Tips for Your National Sales Assistant Internship Search
Apply earlier than you think necessary
Large employers recruit summer national sales assistant interns the preceding fall, with application windows that open in September or October. Smaller companies and co-op programs post closer to their start dates. Check for openings consistently rather than waiting for a single hiring season.
Build a portfolio before you need one
Hiring teams for national sales assistant intern roles expect limited work history, so give them something concrete to assess. Document two or three projects, a territory analysis, a mock pitch, or a client outreach sequence, noting the tools you used and what the work produced. A linked case study or slide deck does more than a list of coursework.
Work your campus network alongside direct applications
Campus career fairs surface structured national sales assistant programs tied to your university, and recruiters there often move faster for students they meet face to face. Your professors and career center staff frequently know which employers recruit from your school before roles post publicly. Apply directly to smaller companies running their own cohorts alongside campus activity to reach the full range of openings.
Practice the sales intern interview out loud
National sales assistant intern screens often include a brief pitch exercise or a scenario where you walk through how you would approach a prospect or handle an objection. Practice these out loud, narrating your reasoning, because interviewers are evaluating how you think and communicate as much as the answer you land on.
National Sales Assistant Internships: Frequently Asked Questions
How do I get a national sales assistant internship?
Lead with coursework and projects rather than work history, since hiring teams expect limited experience at the intern level. For national sales assistant candidates, the strongest artifact is a documented sales project or case study showing how you identified a prospect, built a pitch, or analyzed a territory, with results you can walk through. Pair direct applications with campus career fairs, where recruiters often move faster for students they meet in person.
Can a national sales assistant internship turn into a full-time job?
Many employers extend return offers to strong interns, but conversion is never guaranteed. For national sales assistant interns, what actually drives it is consistent performance on real client-facing work, demonstrated initiative on assigned territories or accounts, and whether the team has open headcount when your internship ends. Position for a return offer by treating every assignment as a full-time audition, without counting on the outcome.
When should I apply for national sales assistant internships?
Earlier than most expect. Large employers recruit summer cohorts the preceding fall, so if you're targeting a structured program at a major company, applications often open in September or October. Smaller companies and co-op programs post much closer to their start dates, which means national sales assistant internship openings appear year-round and searching regularly is worth the habit.
Are national sales assistant internships paid?
Most professional national sales assistant internships in the United States are paid. Compensation varies by company size, industry, and location, so there's no single standard. Where an employer discloses pay, it appears directly in the listing, giving you a basis for comparison as you apply.
What should a national sales assistant internship resume include?
Lead with projects, not work history. Include two or three complete, documented sales or business projects, naming the tools you used, the problem you addressed, and where the work can be reviewed, such as a linked case study, a pitch deck, or a market analysis. Add relevant coursework in sales, marketing, or business communication, and keep the whole document to one page.
Can international students get national sales assistant internships?
Yes. F-1 students can intern through CPT while enrolled or through OPT work authorization after finishing a degree, and the employer does not have to file anything for either, so many companies are open to international interns. Confirm your eligibility and timing with your university's international student office before accepting an offer.
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