11 senior staff mechanical engineer jobs found in Washington

Job Description At EXP, we're driven to provide innovative solutions for the world's built and natural environments. As a team of engineers, architects, designers, scientists, creators, and a community of professionals, we bring diverse and talented people together to solve the world's most complex challenges. Here, you join a team that leverages differences, harnesses entrepreneurial spirit in an employee-owned company, believes diversity gives us strength, seeks sustainable results, and shares ambitions for each other, our clients, and the communities we serve. Together, we are EXP. Are you ready to design your future? Be our next Senior Mechanical Engineer Your work environment at EXP In this role, you will be part of the MEP team supporting Transit, Transportation, Commercial, Institutional, and Public Infrastructure projects throughout the Mid-Atlantic region. This position provides technical leadership for HVAC, plumbing, and fire protection systems while working...

Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth Project Manager/Senior Mechanical Design Engineer (MEP) - National Capital Region (NCR) Interface Engineering Inc. (Relocation will be offered for highly qualified candidates.) At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we're proud to offer our Collaboration from Home policy-giving you the flexibility of a hybrid schedule with 3 days in-office per week minimum (Tuesday, Wednesday, Thursday) while staying connected to a team that values innovation, inclusion, and impact. Why Interface? We're not just engineers-we're collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most. Our Culture Interface has the company...

DHA is seeking (2) full-time, dedicated CMAR Construction Engineers/Construction Representatives with process mechanical and/or electrical and I&C experience at large, complex, operating water/wastewater facilities. This is an in-person position that would ideally start as soon as possible; however, could initially start part-time based on availability and then expect to report five (5) days a week by January 2026 The Construction Engineer uses their technical expertise to oversee construction projects and assists the Project Manager or Owner's Advisor with construction management and construction administration duties. Their work involves interpreting plans, performing site inspections, evaluating technical data, and resolving construction field issues, among other tasks. The Construction Engineer may independently manage moderately complex projects or supervise the work of other staff responsible for overseeing routine projects. The Construction Engineer performs work under...

Do you want to help engineer what's next? Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients' most complex challenges. We leverage our collective and diverse experience, technical expertise, and industry knowledge of structures and building enclosures, advanced analysis, performance & code consulting, and applied science & research to deliver unrivaled, comprehensive solutions that drive superior performance. With 800 employees in offices nationwide, SGH's industry-leading teams constantly seek to advance the meaning of what's possible. What makes careers at SGH so special? The only way to advance is to question and explore. Every member of the SGH team is both a learner and an educator, committed to advancing ourselves, our teams, and our industry. Together we are creating a community that never settles for what is but always seeks what could be. There are many reasons to love SGH: Our Work:...

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: Arcadis is looking for a Stormwater/Stream Restoration Engineer to join our Resilience Water Team in either Fairfax, Virginia, Richmond, Virginia, or Washington DC! Collaborating with our experienced Water Professionals, you will support and lead the development of stream restoration and ecological enhancement projects, interact and work with clients, and continue to grow your technical and project management capabilities. Arcadis provides multiple onboarding and development programs designed to support professional growth and foster creativity, innovation, and...

Short Description Bowman has an opportunity for a Civil Engineer III to join our team in Washington, D.C. At Bowman, we believe in creating opportunities for aspiring people to thrive and achieve ambitious goals. That's why a career at Bowman is more than a job. It is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of everyone involved. We recognize the importance of creating a work environment that is both rewarding to our employees and supportive of our unwavering commitment to provide unparalleled service to our clients. Purpose Carry out complex or novel assignments requiring the development of new or improved civil engineering techniques or procedures to create new or refined equipment, materials, processes or methods. Responsibilities Leadership and Direction Receive broad guidance relating...

Company Overview Pantheon Data (a Kenific Holding company) is a private, small business based in the Washington, DC, area. Pantheon Data was founded in 2011, initially providing acquisition and supply chain management services to the US Coast Guard. Our service offerings have grown in the past ten years, including infrastructure resiliency, contact center operations, information technology, software engineering, program management, strategic communications, engineering, and cybersecurity. We have also grown our customer base to include commercial clients. The company has used this experience to expand our service offerings to other agencies within the Department of Homeland Security (DHS), the Department of Defense (DoD), and other Federal Civilian Agencies. Position Overview The Junior Engineer will contribute to the critical acquisition of both cutter based boats and shore based boats and collaborate with experienced engineers and Coast Guard personnel to review, analyze,...

Company Description SHELADIA Associates is a multi-disciplinary international professional consulting firm with demonstrated experience in the successful management and implementation of development projects worldwide. SHELADIA believes practicality and sustainability in development projects require flexible resource management, active participation of all stakeholders, and a shared goal of strengthening institutions and operational systems to optimize available resources. Equal Opportunity and Affirmative Action Employer. Job Description This position is contingent upon contract award and subsequent task-order requirements. It is intended to support SHELADIA's pursuit of the U.S. Department of State, Bureau of Overseas Buildings Operations (OBO), 2026 Worldwide A/E Support Services IDIQ. Employment, assignments, travel, and project responsibilities will be based on the awarded contract and applicable task orders. The program may support planning, design, construction,...

Professional Engineer is a mid-level position that will manage and oversee complex infrastructure and engineering development projects. This position will be based out of either the Meadville, PA or Erie, PA office location, depending on the location of the candidate. The Professional Engineer will demonstrate strong technical knowledge, sound judgment, and the ability to work both independently and as part of a multidisciplinary team. Key responsibilities include project planning and coordination, technical analysis and review, and proactive engagement with stakeholders to ensure quality, compliance, and timely project delivery. This role also calls for effective problem-solving skills, leadership in guiding junior engineers, and a commitment to upholding professional standards and continuous improvement. Additional duties may include, but are not limited to: Upholding all company, client, and governmental safety requirements throughout project lifecycles. Maintaining effective...

SmithGroup is an integrated design firm with a reputation for cultivating a top-ranked culture while pioneering award-winning innovative design solutions. We blend research, data and technology with ingenuity and a creative spirit to deliver resilient, inclusive spaces that solve our clients' greatest challenges. Our teams create exceptional design solutions for healthcare, science and technology, workplace, mixed use, higher education, cultural, waterfront, parks and open spaces, and urban environments. We are looking for passionate problem solvers who want to elevate design, push boundaries and create a more resilient future. The Washington, DC office of SmithGroup is looking for a Mechanical Engineer to join our team. Working with us, you will: Perform analysis, design and documentation of heating, ventilating and air conditioning (HVAC) systems and controls. Perform system assessments and prepare technical reports. Review submittals, RFIs and contractor proposed...

Senior Electrical PE (Federal / DoD) Company: LRS Federal Location: Corporate / Remote Position Type: Full-Time, Senior Level Position Overview LRS Federal is seeking a high-caliber, licensed Electrical PE with an extensive background in federal and defense sectors to join our corporate engineering team. This is not a purely administrative role; we are looking for a senior technical expert who possesses 15+ years of experience and continues to actively perform physical electrical engineering design work. The successful candidate will lead the design, analysis, and quality control of complex electrical infrastructure projects for the Department of Defense (DoD), Department of Energy (DOE), and civil federal agencies (GSA, VA). Mandatory Qualifications ("Must-Haves") Candidates who do not meet all of the following criteria will not be considered: Licensure: Active Professional Engineer (PE) license in electrical engineering (with the ability to obtain reciprocity in...