Internships in Centreville, Virginia, United States

Externships at Caring Hands Animal Hospital - Centreville, providing veterinary students hands‑on experience in a small‑animal practice. Externs work under a mentor doctor to gather histories, perform exams, develop diagnostic plans, scrub in for surgery, assist medical cases, deliver wellness care, and document records.

Water Resources team at Dewberry focuses on delivering innovative water quality, floodplain, and stormwater solutions for clients. As a Water Resources Engineering Intern, you will support modeling, regulatory analysis, and design tasks while collaborating with senior engineers on real-world projects.

Job Description Dewberry is seeking a Water/Wastewater Engineering Intern for Summer 2027 for our Fairfax, VA office . You will work on all phases of civil/municipal engineering including water and sanitary sewer design.

Structural Engineering Team at Dewberry in Fairfax, VA. The intern will assist in designing simple and complex bridges and related transportation structures, develop contract plans, engineer estimates, and construction specifications, and provide construction support services. This is a Summer 2027 internship based onsite in Fairfax, VA, with relocation assistance available.

Leasing Community team at Cardinal Group Companies focuses on resident satisfaction and achieving full occupancy. The Intern supports front‑desk operations, assists with lease processing, and helps plan community events while learning Cardinal’s leasing methodology.

Field Environmental Science Team at Apex Companies works on projects that protect the environment and support industrial hygiene across the Washington, DC area. The intern collects field samples, assists with investigations, and writes technical reports while receiving mentorship from experienced professionals.

General Dynamics Mission Systems (GDMS) offers a NanoReady Engineering Technician Co-Op in Manassas, VA, focused on nanofabrication training and mission-critical systems support. Participants complete a GMU online foundations course and a full bootcamp with ~240 hours of hands-on lab training, then engage in job-shadowing, professional development, and leadership networking aligned to organizational needs.

City of Fairfax High School Internship – Various Departments invites high school students to gain hands‑on experience in city operations. Interns work on projects assigned by host departments, applying academic knowledge to real‑world tasks such as research, documentation, and project coordination.

City of Fairfax College Internship Program partners with city departments to give college students and recent graduates hands‑on public service experience. Interns apply academic knowledge to real projects, conduct research, document processes, and report findings under staff supervision.

Helix Electric, a leading electrical contracting firm, seeks a Project Engineer Intern to support project managers, coordinate with field teams, and contribute to project planning, budgeting, and safety. The role offers hands‑on experience across construction phases, mentorship, and exposure to BIM, Accubid, and procurement processes.

Helix Electric, a leading electrical contracting firm, seeks a Project Engineer Intern for Fall 2026. The intern will support project managers, coordinate between field and office, and contribute to project planning, execution, and budgeting.

Capital Area Pediatrics is launching a records migration project to securely transfer patient data between systems. Interns will accurately move records, verify data integrity, and uphold HIPAA confidentiality while working independently on a part-time schedule.

GuidePoint Security seeks military personnel transitioning to federal cybersecurity roles through the GPSU Military - Federal Fellowship. The hybrid fellowship offers hands‑on technical development, real‑world security response, and vendor training, culminating in a full‑time position upon separation.

Recruiting team at SOSi, supporting DoD SkillBridge initiatives. Works on full‑lifecycle recruiting for cleared government contracts, sourcing and evaluating candidates, managing referrals, and supporting proposal staffing.

Peraton’s 2026 SkillBridge Internship invites active‑duty service members to gain hands‑on experience in real IT programs. The role offers mission‑focused training, exposure to national security projects, and a chance to assess fit for future full‑time positions.

Clinical Internship at Sandstone Care’s Teen & Young Adult Outpatient Treatment Center. The role supports the Clinical Program Director by facilitating individual, group, and family therapy under supervision, documenting sessions, and coordinating care.

Peraton seeks candidates for Contracts Administration pipeline, supporting contract awards, modifications, and lifecycle management in CLM system. Responsibilities include intake, data accuracy, CDM metrics monitoring, NDA collaboration, contract review, data research, daily stand-ups, stakeholder partnership, and special projects.

Bohler’s Herndon, VA office is seeking a Civil Engineering Intern (Land Development) for Summer 2027 to gain hands-on experience in site design and land development. You will work alongside engineers, designers, and project managers to support the design and permitting of commercial, residential, industrial, and mixed-use developments using AutoCAD Civil 3D.

Patriot Group International (PGI) Mission Support team seeks a Data Automation Analyst Intern to QA automation systems and enhance workflow processes. The role designs, monitors, and updates cloud‑based automation, provides detailed reporting, and supports data analytics for internal and customer labor reporting.

Internship program offering hands‑on sales experience with mentorship, weekly pay, commission, and bonuses.