Top Internships in Denver & Boulder, CO

Summer intern supporting the USA Sales Team through prospecting, customer engagement, consultative selling, account management, customer visits, and industry events. The role provides exposure to dairy genetics, reproductive technologies, herd management solutions, Beef-on-Dairy operations, and data-driven software. The intern will shadow sales and technical professionals, provide weekly progress updates, and complete a dairy industry project. Significant travel and on-farm work are required.

Support execution of large-scale B2B outbound and demand-generation campaigns: build outreach sequences, manage outreach tools, enrich and QA data, maintain outbound infrastructure, coordinate webinar and content syndication operations, research target accounts/ICPs, assist reporting, and apply AI tools to automate workflows.

Supports pharmacy operations by counseling customers, processing prescriptions and insurance, dispensing medications accurately, assisting with immunizations under pharmacist supervision, managing inventory, and maintaining a safe, clean department. The role also involves contacting prescribers and insurers, answering product questions, providing customer service, and following pharmacy quality, safety, and compliance procedures.

R&D intern developing and validating compiler features for high-performance computing. Responsibilities include analyzing CPU/GPU performance, reading PTX and LLVM assembly, implementing hardware intrinsics and mathematical algorithms, fixing compiler bugs, creating benchmarks and demos, and writing technical documentation. The role requires strong C++ or C# skills, understanding of memory management and object-oriented programming, and interest in CUDA, OpenMP, GPU architecture, algorithms, and numerical methods.

Software Engineering Intern supporting Northrop Grumman’s Software and Controls Engineering team in Aurora, Colorado. The intern will work full-time for at least 10 weeks during summer 2027, contribute to space and defense systems, develop professional engineering skills, and participate in training, networking, and professional development. Candidates must be enrolled full-time in a STEM degree program, maintain eligibility for U.S. government security clearance and program special access, and meet citizenship requirements.

Software Engineering Intern supporting Northrop Grumman’s Software and Controls Engineering team in Colorado Springs. The role provides hands-on engineering experience while contributing to space and defense systems. Interns must work full-time for at least 10 weeks during summer 2027, be enrolled in a STEM degree program, and be eligible to obtain a U.S. government security clearance and program special access. Travel is expected approximately 10% of the time.

Software engineering internship supporting Northrop Grumman’s Space sector Software and Controls Engineering team in Aurora, Colorado. The intern will work full-time for at least 10 weeks during summer 2027 on systems supporting government, civil, and commercial space customers. Applicants must be enrolled in a STEM degree program, maintain full-time student status through fall 2027, and obtain and maintain a U.S. government Top Secret clearance and program special access. Travel is approximately 10%.

Systems Engineering Intern supporting Northrop Grumman’s Software and Controls Engineering team in the Space sector. The intern will work full-time during summer 2027, develop engineering skills, and contribute to advanced space and defense systems. The role requires U.S. citizenship, eligibility for a government security clearance and program special access, and on-site work in Colorado Springs. Travel is approximately 10%.

Software Engineering Intern supporting Northrop Grumman’s Space sector Software and Controls Engineering team in Colorado Springs. The intern will work full-time during summer 2027, developing skills through technical training, professional development, and collaboration on space and government-related systems. Candidates must be enrolled in a STEM degree program, maintain full-time student status through fall 2027, and obtain and maintain a U.S. government Secret clearance and program special access.

Systems Engineering Intern supporting Northrop Grumman’s Software and Controls Engineering team in the Space sector. The role is a full-time summer 2027 internship involving systems engineering work and requires obtaining and maintaining a U.S. Government Secret clearance and program special access. Candidates must be enrolled in a STEM degree program, available for at least 10 weeks, and eligible to work as a U.S. citizen. Travel is required up to 10%.

Software Engineering Intern supporting Northrop Grumman’s Software and Controls Engineering team in Boulder, Colorado. The intern will work full-time for at least 10 weeks during summer 2027 while developing professional software engineering skills in a space and national security environment. Candidates must be enrolled in a STEM degree program, maintain full-time student status through fall 2027, and obtain a U.S. government Secret clearance and program special access.

Participate in hands-on electrical engineering projects within an aerospace and defense environment. Responsibilities include supporting technical tasks, analyzing data, preparing documentation, attending planning meetings, contributing to process improvements, and collaborating with experienced engineers. The internship provides mentoring, workshops, and exposure to real-world company projects while developing technical and professional skills.

Participates in hands-on aerospace and defense engineering projects, completing assigned technical tasks, preparing documentation, analyzing data, attending planning meetings, and supporting process improvements. The intern receives mentorship, collaborates with cross-functional teams, and gains practical experience through technical assignments and workshops. Work may occur in office, laboratory, workshop, or hybrid environments and may involve occasional travel.

Supports planning and execution of a large community STEM event, including logistics, scheduling, procurement, vendor coordination, communications, outreach, stakeholder engagement, budgeting, project tracking, and post-event reporting. The intern will also develop promotional and storytelling content, coordinate with students and community partners, and gain experience in event management, public relations, marketing, and community engagement.

Marketing and Sales Interns support marketing and sales enablement initiatives, including social media and digital marketing projects. They collaborate with experienced team members, learn about insurance agency operations, build professional networks, and contribute to organizational marketing efforts while developing foundational business skills.

Supports the Corporate Marketing team with day-to-day marketing and growth initiatives, including social media and digital marketing projects. The intern will collaborate across the organization, develop an understanding of insurance industry operations, strengthen organizational and communication skills, and network with company leaders. The role includes an opportunity to travel to the corporate office in Richmond, Virginia and may lead to full-time employment after graduation.

Supports tax consulting engagements by researching complex tax issues, preparing technical memoranda and tax returns, assisting with mergers and acquisitions, international tax structuring, transaction tax matters, tax alerts, and internal education. Works with engagement teams, staff, and clients while gaining exposure to National Tax Office and transactional service lines.

Support digital marketing and community efforts in MENA: gather and manage data for content and campaigns, handle community queries on Telegram/Discord, use campaign portals (Task On, Galaxy, Zealy), conduct data research, assist lead generation, monitor campaign metrics, and follow the content plan to improve engagement and ROI.

Supports Producer Services process improvement and business transformation initiatives by analyzing workflows, identifying operational pain points, documenting requirements, evaluating data quality, maintaining procedures and training resources, and using Microsoft 365 and AI-enabled tools to improve efficiency. Collaborates with leaders and cross-functional teams on compliance, compensation, data, technology, and continuous improvement projects in a fully remote environment.

Tax intern supporting quarterly and year-end income tax provisions, ASC 740 reporting, federal and state tax returns, reconciliations, tax payments, journal entries, indirect tax filings, withholding compliance, and process improvements. The role provides exposure to tax leadership and strategic projects in a fully remote environment. Candidates must be enrolled full-time and available for a summer internship with part-time extension through October 15.

Performs general accounting activities, including ledger maintenance, account reconciliations, financial statement preparation, transaction analysis, budgeting and forecasting, statutory reporting, variance analysis, and accounting project documentation.

Work as a Python development intern building applications and APIs, processing and analyzing data, working with databases and data pipelines, contributing to system architecture, writing clean documented code, and collaborating with the team. Strong emphasis on backend development, SQL, ORMs, and REST API design with potential conversion to full-time.

Provides pharmacy support under pharmacist supervision, including counseling customers, processing prescriptions and insurance, dispensing medications, contacting prescribers and insurers, administering immunizations, stocking inventory, and maintaining a safe, clean department. The role also supports customer service, quality assurance, sales goals, and compliance with pharmacy procedures.

Supports pharmacists in dispensing medications, counseling customers, processing prescriptions and insurance claims, contacting prescribers, administering supervised immunizations, maintaining inventory, and ensuring pharmacy safety and accuracy. Provides exceptional customer service while working cooperatively in a fast-paced retail pharmacy environment.

Pharmacy intern provides prescription dispensing, drug counseling, over-the-counter medication guidance, insurance processing, prescription data entry, immunizations under pharmacist supervision, inventory support, and customer service. The role requires maintaining pharmacy safety and quality standards, communicating with prescribers and insurers, accurately interpreting prescriptions, and supporting customers in a busy retail pharmacy environment.