Mechanical Engineering Intern - Summer 2026

Join Stand Together as the Manager of Partnerships and Engagement for the KAP 2026-2027 initiative. In this pivotal role, you will lead efforts to cultivate and strengthen relationships with key partners, ensuring that our mission to promote a free and open society is effectively communicated and supported. Your expertise in stakeholder engagement will be cr…

Stand Together is a dynamic philanthropic community dedicated to empowering America’s most courageous changemakers as they address the underlying causes of the nation’s most significant challenges—spanning education, economic disparities, fragmented communities, and societal discord, among a multitude of other critical issues. Our organization equips partners with vital resources, including financial support, strategic insights, a collaborative network of peers, and a comprehensive guide to implementing proven principles that transform lives and communities.We are in search of a talented Director of Partnership Success Management to become a cornerstone of our innovative development organization. This leader will be at the forefront of our efforts, guiding a team of exceptional Partnership Success Managers (PSMs) and their supervisors. Your mission will be to cultivate a premier donor experience, expertly identifying and executing meaningful engagement and stewardship strategies with our valued donor partners.This pivotal role combines strategic leadership, portfolio management, and talent development. The ideal candidate will possess a proven track record of leading teams, alongside experience in fundraising or consultative sales, and a genuine passion for fostering mutually beneficial partnerships that yield lasting impact.

Stand Together is a vibrant philanthropic community dedicated to empowering America's most daring changemakers to address the underlying causes of our nation's most significant challenges. From education reform to economic revitalization, and from healing fractured communities to bridging toxic divides, we tackle a variety of pressing issues. Our partners gain access to vital resources including funding, thought leadership, a supportive network of peers, and a proven framework to catalyze transformative change in lives and society.Are you passionate about leveraging your fundraising acumen to confront the nation’s intricate challenges?As our Partnership Success Manager, you will be instrumental in a dynamic team that crafts innovative strategies to empower leading business and philanthropic figures to optimize their financial and leadership contributions in addressing the nation’s most pressing issues. Your role will encompass proactive analysis and research to uncover new alignment opportunities within our donor partners and the Stand Together community. You will collaborate across the organization to recommend strategic initiatives to partnership advisors and design tailored stewardship programs.Location: Arlington, VA (in-office)

Join ARSIEM CorporationAt ARSIEM Corporation, we pride ourselves on building trusted partnerships with our government clients. We offer unparalleled support to various agencies across the United States Government, driven by a committed team of experienced professionals dedicated to excellence.As we expand to meet growing demand, ARSIEM continues to deliver innovative technical solutions that provide exceptional value to our clients. This translates to a career filled with opportunities for professional growth and the chance to make a significant difference in the lives of those we serve.We are actively seeking a Lab Manager II for our Technical Engagement Network (TEN). The ideal candidate will possess strong expertise as a Linux Systems Administrator, driving the design, development, and deployment of cutting-edge cybersecurity capabilities within the customer environment, thus supporting analysts and ensuring business continuity for our client’s mission. This role is based in Arlington, VA.

About ARSIEM CorporationAt ARSIEM Corporation, we pride ourselves on being a trusted partner to our government clients, providing exceptional support across multiple U.S. Government agencies. Our team consists of experienced professionals dedicated to delivering top-tier solutions that meet the evolving needs of our clients.As the demand for advanced technical solutions grows, ARSIEM remains at the forefront of innovation, ensuring we deliver the best value to our clients. This creates a dynamic work environment filled with opportunities for professional growth and the chance to make a significant impact on our client missions.We are currently seeking a Lab Manager III for the Technical Engagement Network. The ideal candidate will have a strong background in Linux, Splunk, and Ansible System Administration. This role will involve supporting the design, development, and deployment of cutting-edge cybersecurity solutions tailored to our customer's environment, while ensuring business continuity and effective support for analysts. This position is based in Arlington, VA.

ATIA Holding is seeking passionate bloggers, Facebook page administrators, and Marketing Managers to engage and connect with targeted virtual communities and network users. Your mission will be to enhance customer engagement and foster relationships, ultimately driving website traffic and revenue through a comprehensive social media marketing strategy.Your primary focus will be to promote our website: www.usa-inside.com, aiming to significantly increase visitor numbers in a short timeframe.

About Stand Together Stand Together is a philanthropic community based in Arlington, Virginia. The organization supports changemakers who address issues such as education, economic disparities, fractured communities, and societal divides. Partners gain access to financial support, strategic guidance, a collaborative network, and a framework for applying effective principles that help transform lives and communities. Role Overview: Partnership Success Lead The Partnership Success Lead plays a key role in managing and developing a team of Partnership Success Managers (PSMs). This position focuses on building strong relationships, driving revenue generation, and ensuring the success of Stand Together’s partnerships. Working closely with Development leadership, the Partnership Success Lead aligns talent acquisition, portfolio strategy, and execution to help the organization meet and exceed its goals. Location Arlington, Virginia

PsiQuantum is hiring a Senior Director of Federal Scientific Partnerships to guide collaboration with government agencies. This position centers on building and maintaining relationships that advance the company’s quantum computing research goals. Role overview The Senior Director will shape strategic initiatives with federal partners, focusing on scientific collaboration. The work involves identifying opportunities for joint research, aligning with agency priorities, and supporting the progress of quantum technologies. Location This position is based in Arlington, Virginia, with remote work options available.

Accenture Federal Services is hiring an End-User Engagement and Adoption Specialist in Arlington, VA. This position centers on improving how users interact with new solutions and making sure those solutions are adopted successfully across the organization. Role overview This role focuses on developing and executing strategies that encourage users to embrace new tools and services. Working closely with teams from different departments, the specialist helps shape programs that increase user satisfaction and ensure that services are used to their full potential. Key responsibilities Collaborate with cross-functional groups to design and implement user engagement initiatives Promote adoption of innovative solutions by building clear communication plans Monitor user feedback to identify areas for improvement Location This position is based in Arlington, VA.

ABOUT COMMON APPAre you passionate about transforming higher education? Do you aspire to positively influence the college admissions landscape? At Common App, we are dedicated to dismantling barriers and empowering students to pursue a brighter future. As a national not-for-profit organization, we champion access, equity, and integrity in the college admissions process. Annually, we assist over 1 million students, a third of whom are first-generation, in applying to more than 1100 diverse member colleges and universities through our free online application platform.If you are a seasoned K-12 professional eager to contribute to a mission-driven non-profit that leverages innovative technology to enhance the college admissions experience, Common App could be the ideal fit for you. We are currently seeking a Senior Director, Access Partnerships.KEY RESPONSIBILITIESAs part of the Network Growth division and reporting directly to the VP of Network Growth, you will spearhead initiatives to establish, nurture, and expand partnerships with community-based organizations and leaders, from K-12 to transfer and other postsecondary avenues. The Senior Director, Access Partnerships will be instrumental in developing partnerships that utilize technology solutions to tackle barriers and enhance access to post-secondary opportunities. This role requires a strategic thinker with deep knowledge and experience in both K-12 systems and higher education. You will create innovative pathways for Common App to engage more students, particularly those from communities below the national median income.With experience collaborating with state agencies, large school districts, and community-based organizations (CBOs), you will set strategic objectives and work across the organization to position Common App for impactful partnerships that effectively increase student access to our resources for pursuing post-secondary opportunities.Common App has set an ambitious goal to connect with a greater number of students from underrepresented communities in higher education, and these partnerships are vital to achieving this mission. As partnerships are formed, you will construct and lead a team to ensure seamless collaboration and sustained efforts. Internally, you will work closely with colleagues to ensure that Common App's interactions with states, CBOs, and large districts yield significant impact.

Join the Institute for Humane Studies as an Intellectual Talent Development (ITD) Specialist for the 2026-2027 period. In this pivotal role, you will be instrumental in identifying, nurturing, and advancing the intellectual talents of emerging leaders who are committed to the principles of a free society. Your expertise will help in crafting programs that empower individuals to engage critically with ideas and foster a community of thinkers and doers.

Stand Together is a dynamic philanthropic community dedicated to empowering America’s most innovative changemakers. We tackle the fundamental causes of pressing national issues, from education and economic challenges to fractured communities and social discord. Our mission is to provide our partners with invaluable resources, including financial backing, insightful thought leadership, a robust peer network, and a strategic playbook that leverages proven principles to drive transformative change in lives and society.We are seeking a highly organized and proactive Senior Administrative Assistant to join our Strategic Initiatives team. This pivotal role is designed to deliver exceptional high-level support to several key leaders within the team, ensuring streamlined operations and effective coordination of various strategic initiatives.In this capacity, you will be a trusted business partner, deeply understanding your leaders' goals and objectives. As a strategic thinker, you will align task management with organizational priorities while maintaining confidentiality, demonstrating a sense of urgency, and fostering a customer-centric approach. Your ability to anticipate needs and execute tasks with precision will be crucial to your success. You will thrive in a collaborative environment, finding great satisfaction in helping others achieve their goals.

X-PHY stands at the forefront of cybersecurity innovation, providing state-of-the-art solutions designed to actively safeguard enterprises from the ever-evolving landscape of cyber threats. We are on the lookout for a Partnership and Alliance Manager to spearhead strategic expansion within our partner ecosystem. This pivotal role involves cultivating robust relationships with Managed Security Service Providers (MSSPs), Solution Integrators, and Technology Alliance partners.At Flexxon, we don’t merely create products; we are architects of the future. As a leader in cybersecurity technology, we are setting new benchmarks, breaking barriers, and developing transformative solutions to secure the digital realm.Becoming part of our team is not just about securing a position; it’s about embarking on an entrepreneurial adventure where your growth is as significant as the company's.We are in search of visionaries who dare to think differently, strategists who challenge conventional wisdom, and proactive executors who deliver with precision and enthusiasm. If you’re eager to influence the future of cybersecurity, we welcome you to join our dynamic team.

X-PHY is at the forefront of cybersecurity innovation, providing advanced solutions designed to safeguard businesses against ever-evolving cyber threats. As we continue our growth trajectory, we are on the lookout for a dynamic Senior Channel Development Manager who will spearhead strategic initiatives within our partner ecosystem. This pivotal role is charged with the development, execution, and scaling of impactful channel programs that drive revenue growth, boost partner engagement, and strengthen X-PHY's status as a leader in the marketplace.At X-PHY, we’re not just creating products; we’re shaping the future of cybersecurity. Our mission is to redefine industry benchmarks, challenge the limits, and deliver transformative solutions that shield the digital landscape.Joining our team means embarking on an entrepreneurial journey with us. Here, you won’t just work for a company; you’ll evolve alongside it.We are looking for visionaries who think beyond the conventional, strategists who question the norm, and proactive doers who execute with passion and precision. If you’re eager to influence the future of cybersecurity, we want you to be part of our team.

As the Public Affairs Manager for Yes. Every Kid., you will play a critical role in enhancing our outreach and engagement strategies. Your expertise will help us advocate effectively for educational equity and access for all children. You will collaborate with various stakeholders, including educators, community leaders, and policymakers, to build impactful campaigns and initiatives.

Welcome to Planet Labs Inc. We harness the power of space to enhance life on Earth.As a pioneer in satellite technology, we design, build, and operate the largest constellation of imaging satellites ever created. Our innovative cloud-based platform provides a wealth of empirical data that serves a diverse range of sectors including commercial, environmental, and humanitarian efforts. We are not only a space company but also a data-driven organization.With our comprehensive dataset, customers worldwide utilize Planet's insights to innovate technologies, boost revenue, conduct research, and address some of the most pressing challenges facing our planet.Our team is composed of experts from various fields, allowing us to maintain control over hardware design, manufacturing, data processing, and software engineering, fostering an inspiring work environment.At Planet, we uphold a people-first culture, focusing on community and collaboration, ensuring our team members are prioritized as we prepare for future growth. Join us in transforming how people perceive the world.Planet operates globally, with team members working remotely and from offices in San Francisco, Washington DC, Germany, Austria, Slovenia, and The Netherlands.About the Role:We are on the lookout for a Senior Software Engineer to craft groundbreaking solutions for our most strategic clients, particularly within the Global Defense and Security sector. In this capacity, you will engage directly with key stakeholders as a leading technical contributor and hands-on builder within a collaborative engineering team. Your goal will be to address complex, mission-critical customer needs by developing impactful software solutions.You will enjoy a high level of autonomy, taking ambiguous requirements and transforming them into functional, reliable software. Your contributions will be vital in fulfilling critical customer commitments and guiding future product innovations. This role suits individuals who excel in dynamic environments and relish ownership of intricate technical challenges from inception to completion.This is a full-time, hybrid position requiring you to work from our Arlington office three days a week.

Ripple Effect is seeking a Public Relations Specialist with a focus on IT and cybersecurity. Based in Arlington, Virginia, this position supports strategic communication and outreach for technology-driven initiatives. The role involves shaping public affairs strategies, handling media relations, and making complex technical topics accessible to a wide range of audiences. Main responsibilities Public affairs: Create content on key issues, coordinate outreach campaigns, and engage stakeholders. Take part in strategic planning within set frameworks. Media relations: Initiate outreach to media contacts, represent Ripple Effect in interviews and briefings, and adapt messaging for external audiences. Track media coverage to help manage the organization’s reputation. Communication and representation: Maintain clear, professional communication in every interaction. Represent the organization during media engagements to foster transparency and goodwill. Project management: Oversee and prioritize multiple public relations projects independently. Deliver press releases and campaign materials on schedule. Documentation: Keep organized records of public relations activities, including press materials and campaign files, to support continuity and transparency. Problem solving: Identify and address complex challenges in public relations. Seek opportunities to improve processes and strategies.

Join our dynamic team at Alphalete Marketing, where we are committed to delivering exceptional service to our clients. Our passionate professionals thrive on helping others and are eager to grow alongside our rapidly expanding company.We are currently seeking a Communication Specialist to enhance our communication efforts. The ideal candidate will manage customer accounts and ensure effective communication within our team, providing top-notch service to our customers, clients, and partners.

Join Our Team as a Mid-Level International Security Specialist!Located in Arlington, VA, ACT1 Federal LLC is a 100% employee-owned company with nearly three decades of experience serving the Department of Defense (DoD). We specialize in various domains, including weapon systems engineering, logistics, space domain expertise, global defense and security, and military training.Position Overview: We are seeking a dynamic and multidisciplinary International Security Specialist (ISS) to provide essential security operations support. The ISS will focus on Special Access Program Facility (SAPF) Security Operations, Personnel Security (PERSEC), Information Security (INFOSEC), Communication Security (COMSEC), Physical Security (PHYSEC), and Cybersecurity (CYBER) operations. This role involves delivering international security support to our Partner and Foreign Military Sales (FMS) countries, facilitating valuable partnerships with the United States.Key Responsibilities:Offer comprehensive security guidance and mentorship to F-35 Partner and FMS security professionals.Design and implement Country Security Manager training.Conduct security classification reviews for the F-35 program.Coordinate secure courier missions and develop transportation plans for classified materials.Continuously evaluate and report on the security posture of F-35 Partner and FMS countries.Assist in the creation of country-specific security documents to safeguard F-35 assets.Collaborate with cybersecurity and foreign disclosure professionals on security matters.Lead security conferences and working groups with international partners to address complex security challenges.