7,991 Results for

Weekend Customer Service Jobs in Uniondale, NY

Jobs

Applied Science Intern (Summer 2027) Muon Space

Woodbridge, VA

To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. The team engages with internal and external stakeholders, develops first principles models and analysis, and identifies opportunities within the remote sensing space to expand the footprint of Muon systems and uncover unique capabilities to meet customer needs.

9 days ago

Sales Intern (Summer 2027) Cvent, Inc.

Tysons Corner, VA

Founded in 1999, Cvent delivers a comprehensive event marketing and management platform for marketers and event professionals and offers software solutions to hotels, special event venues and destinations to help them grow their group/MICE and corporate travel business. Cvent is a leading meetings, events, and hospitality technology provider with more than 5,500+ employees and ~30,000 customers worldwide, including 60% of the Fortune 500.

30+ days ago

Civil Engineering Intern - Summer 2027 Bowman Consulting Group Ltd

Washington, DC

$20–$25 / hour

Assist with all aspects of project scope to include site grading, erosion and sediment control design, CAD design and drafting, storm water management design, water treatment, traffic analysis and/or utility design. Introduction to designing and developing traffic studies, water, storm and sanitary sewer studies, and construction plans, civil engineering site plans, and roadway plans for construction.

15 days ago

University - Summer 27, Procurement And Global Supply Chain Intern Booz Allen Hamilton Inc.

Mclean, VA

$48,000–$98,000 / year

Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

22 days ago

Scrum Master Intern (Summer 2027) Cvent, Inc.

Tysons Corner, VA

Founded in 1999, Cvent delivers a comprehensive event marketing and management platform for marketers and event professionals and offers software solutions to hotels, special event venues and destinations to help them grow their group/MICE and corporate travel business. Keeping up with the latest advancements in the industry; spending time creating, building, and exploring with technical projects; an inquisitive attitude in regard to the workings of hardware and software; and overall, simply having fun and finding enjoyment in the field.

30+ days ago

Product Design Intern (Summer 2027) Cvent, Inc.

Tysons Corner, VA

Founded in 1999, Cvent delivers a comprehensive event marketing and management platform for marketers and event professionals and offers software solutions to hotels, special event venues and destinations to help them grow their group/MICE and corporate travel business. In This Role, You Will: As a product design intern at Cvent you are joining a department of over 100 designers working on products that touch every step of the event journey.

30+ days ago

Software Engineer Intern (Summer 2027) Cvent, Inc.

Tysons Corner, VA

Keeping up with the latest advancements in the industry; spending time creating, building, and exploring with technical projects; an inquisitive attitude in regard to the workings of hardware and software; and overall, simply having fun and finding enjoyment in the field. Founded in 1999, Cvent delivers a comprehensive event marketing and management platform for marketers and event professionals and offers software solutions to hotels, special event venues and destinations to help them grow their group/MICE and corporate travel business.

30+ days ago

Mission Architecture Intern Summer 2027 Muon Space inc

Woodbridge, VA

The Mission Architecture team designs and validates constellation architectures that meet customer needs, and carries them through proposal to contract award using Muon''s technical roadmap and building blocks. The team's primary responsibilities include constellation modeling, trade studies, authoring technical responses, and shaping internal and external requirements.

4 days ago

Computer Science Intern, Summer 2027 BAE Systems Plc

Rockville, MD

$49,592–$68,993 / year

Join our Data Analysis Software Team within our Software and Tools Program Area and become a member of a highly productive software team, where each employee has the opportunity to grow their skills and work on rewarding projects in support of the Portfolio Acquisition Executive Strategic Systems Programs (PAE SSP). The focus of this position is developing scientific application software used to interpret and convert submarine-generated data into engineering format to be used to generate statistical analysis output used by engineering analysts to evaluate the ship subsystems' performance.

4 days ago

Programmer Intern, Summer 2027 BAE Systems Plc

Washington, DC

$48,620–$67,640 / year

Join our Software Solutions Team within our IT Program Area and become a member of a diverse, enthusiastic, and highly productive team, where each employee has the opportunity to grow their skills and work on rewarding projects by providing system administration support for COTS/GOTS enterprise software in support of the US Navy''s Strategic Systems Programs, the sea-based leg of the U.S. nuclear triad. About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services.

4 days ago

2027 Summer Intern - General Motors Economics Intern General Motors

Washington, DC

The successful candidate is expected to report in person at least three days per week to either the Warren Technical Center in Warren, Michigan, or the General Motors Public Policy Office in Washington, D.C. GM will provide a one-time lump sum taxable stipend payment to eligible students selected for the 2027 Student Program - to help facilitate administration of relocation benefits, please apply using the permanent address you would move from. You will apply your economics training and coding skills to support economic modeling, develop digital tools for internal business partners, and prepare written analysis that translates complex data into clear insights for decision-makers.

23 days ago

Campus - Mortgage Hedging & Trading Summer Intern NVR Inc

Reston, VA

Working alongside experienced professionals, you''''ll gain insight into how NVR Mortgage manages loan pipelines, analyzes market conditions, develops pricing strategies, and delivers mortgage products to investors. Collaborate with teams across Capital Markets, Accounting, Operations, and Sales to understand the mortgage origination-to-sale lifecycle and help drive process improvements, operational efficiencies, and strategic initiatives.

30+ days ago

Campus - Mortgage Capital Markets Summer Intern NVR, Inc.

Reston, VA

Working alongside experienced professionals, you'll gain insight into how NVR Mortgage manages loan pipelines, analyzes market conditions, develops pricing strategies, and delivers mortgage products to investors. Collaborate with teams across Capital Markets, Accounting, Operations, and Sales to understand the mortgage origination-to-sale lifecycle and help drive process improvements, operational efficiencies, and strategic initiatives.

30+ days ago

MBA Product Intern - Summer 2027 Capital One

McLean, Virginia

Our MBA intern roles aim to give first-time and experienced PMs the chance to learn new skills and disciplines, the exposure to solve real and impactful business and customer problems at massive scale, and the opportunity to develop as a well-rounded cross-functional business leader. Currently has: A Bachelor's Degree or Master's Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, Computer Engineering, Software Engineering, Mechanical Engineering, Information Systems or a related quantitative field), Business or Marketing.

3 days ago

Summer 2027 Construction Intern D.R. Horton Inc

Edgewater, MD

Interns are assigned to a primary department or functional area and gain experience through departmental rotations, project work, administrative support, research, reporting, training, office and field-based activities, jobsite observation, systems support, and other learning opportunities based on departmental needs, location, and business priorities. '',''Construction'',''Construction'',''MD-Edgewater'',''MD-Edgewater'','''','''',''Home Builder'',''Home Builder'',''Full-time'',''Full-time'',''Sep 8, 2026, 4:12:06 PM'',''Sep 8, 2026, 4:12:06 PM'','''','''',''false'',''false'',''268458'',''268458'',''true'',''268458'',''false'',''Submission for the position: Summer 2027 Construction Intern - (Job Number: 2604462)'',''false'',''268458'',''false'',''true''.

25 days ago

Summer 2027 DNC Legal Internship Democratic National Committee

Washington

Applicants must be 18 years of age on or before the first day of the internship and meet at least one of the following criteria: Currently enrolled in a JD or LLM program at an ABA certified, U.S.-based institution; Graduated with a JD or LLM from an ABA certified, U.S.-based institution no more than two years before the first day of the internship; Graduated with a JD or LLM from an ABA certified, U.S.-based institution and currently enrolled in a non-legal graduate program. Interning at the DNC is a unique opportunity for hardworking, passionate future leaders to gain real life, hands-on experience in Democratic politics, strengthen their understanding of the political process, and prepare them for future political opportunities.

6 days ago

Operations Support Intern (SUMMER 2026) (REMOTE POSSIBLE) Volunteers of America, Inc.

Alexandria, VA

Remote

Part time

Primary Responsibilities: The COO is an architect, instigator and change champion for the organization and understands how roles & functions (marketing, sales, finance, HR, technology) work in concert to deliver on the mission of the company. The purpose of this position is to mentor and develop talented individuals with strong leadership potential, strive for excellence, moxie and level of commitment to continuous learning and strategic thinking capability.

30+ days ago

2027 Branch Operations Summer Internship (Rockville, MD) QXO

Rockville, Maryland

$20–$23 / year
Intern

What you will do: The QXO Summer Internship Program is a 12 -week, structured development experience designed to give students meaningful, hands-on exposure to a fast-paced, results-driven organization while building the skills and experience needed to launch their careers. QXO is North America’s largest distributor and installer of insulation, the second-largest distributor of roofing products, the second-largest publicly traded distributor of lumber and building materials, and the largest distributor of waterproofing products.

13 days ago

2027 Branch Operations Summer Internship (Springfield, VA) QXO

Springfield, Virginia

$20–$23 / year
Intern

13 days ago

Construction Superintendent Summer Internship Benchmark Construction Co

Ellicott City, MD

$22–$30 / hour

From holiday parties and employee appreciation events to year-end celebrations and summer picnics, we find any reason to gather, connect, and celebrate the unique spirit that makes Benchmark extraordinary. Participate in Project Kickoff Meetings, focusing on allocating our resources to safety and quality control programs, staffing requirements, and necessary certifications/training.

25 days ago

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Weekend Customer Service Jobs in Uniondale, NY

Applied Science Intern (Summer 2027) Muon Space

Sales Intern (Summer 2027) Cvent, Inc.

Civil Engineering Intern - Summer 2027 Bowman Consulting Group Ltd

University - Summer 27, Procurement And Global Supply Chain Intern Booz Allen Hamilton Inc.

Scrum Master Intern (Summer 2027) Cvent, Inc.

Product Design Intern (Summer 2027) Cvent, Inc.

Software Engineer Intern (Summer 2027) Cvent, Inc.

Mission Architecture Intern Summer 2027 Muon Space inc

Computer Science Intern, Summer 2027 BAE Systems Plc

Programmer Intern, Summer 2027 BAE Systems Plc

2027 Summer Intern - General Motors Economics Intern General Motors

Campus - Mortgage Hedging & Trading Summer Intern NVR Inc

Campus - Mortgage Capital Markets Summer Intern NVR, Inc.

MBA Product Intern - Summer 2027 Capital One

Summer 2027 Construction Intern D.R. Horton Inc

Summer 2027 DNC Legal Internship Democratic National Committee

Operations Support Intern (SUMMER 2026) (REMOTE POSSIBLE) Volunteers of America, Inc.

2027 Branch Operations Summer Internship (Rockville, MD) QXO

2027 Branch Operations Summer Internship (Springfield, VA) QXO

Construction Superintendent Summer Internship Benchmark Construction Co

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