Stormwater Inspector Apex CompaniesStormwater InspectorManassas, VirginiaFueled by high-quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest-growing firms in the AEC industry, recently recognized by the Zweig Group for our industry-leading growth. As a Stormwater Inspector, you'll spend most of your time in the field inspecting and maintaining stormwater management facilities, documenting site conditions, and supporting projects that help protect local waterways and infrastructure.
Data Scientist Unissant IncData ScientistAshburn, VAThis role is well suited for a hands-on analytical professional who can work with large datasets, build predictive models, and communicate insights that support informed decision-making in an Agile team environment. The ideal candidate will bring experience applying statistical analysis, machine learning, and data modeling techniques to solve complex mission and business challenges.
Transportation Data Scientist Leidos Holdings IncTransportation Data ScientistMcLean, VA$87,100–$157,450 / yearThis role will involve assisting in the development and deployment of AI/ML models for applications such as vehicle load classification using weigh-in-motion (WIM) data and imagery, crash prediction in traffic management centers (TMCs), and creating data ecosystems for trustworthy AI. Prepare and integrate datasets for AI use cases, including cleaning, normalizing, enriching, and fusing multi-source data (e.g., traffic logs, imagery, weather, and permitting records) while addressing quality issues like inconsistency, sparsity, and bias.
NewBattery Scientist The MITRE CorporationBattery ScientistMclean, VA$147,200–$184,000 / yearYour future colleagues are a collegial team of energy and environmental engineers, material scientists, systems engineers, mechanical engineers, electrical engineers, chemists, physicists, and civil engineers who work across MITRE's diverse sponsors and partners. Department Summary: MITRE Lab's Energy, Environmental, Material and Chemical Sciences is seeking a senior engineer with expertise in power and energy technologies to work in a dynamic analytical environment focused on solving our customers energy technology and resilience challenges.
NewEnergy Technologies Engineer/Scientist Mitre CorpEnergy Technologies Engineer/ScientistMcLean, VA$118,000–$147,500 / yearYour future colleagues are a collegial team of energy and environmental engineers, material scientists, systems engineers, mechanical engineers, electrical engineers, chemists, physicists, and civil engineers who work across MITRE's diverse sponsors and partners. Department Summary: MITRE Lab's Energy, Environmental, Material and Chemical Sciences is seeking a senior engineer with expertise in power and energy technologies to work in a dynamic analytical environment focused on solving our customers energy technology and resilience challenges.
Materials Scientist I Ion Storage SystemsMaterials Scientist IBeltsville, MDBuilt on a scalable, modular, three-dimensional ceramic structure, ION's batteries take a sustainable approach to next-generation energy storage and are ready to meet the demands of an increasingly electrified world across defense and aerospace, consumer electronics, electrified transportation, and renewable energy storage. Description: Ion Storage Systems is looking for a motivated, team-oriented scientist or engineer to join our Ceramics R&D team and help develop our next-generation solid-state lithium metal battery.
Consultant, Project Finance ERM International Group LtdConsultant, Project FinanceWashington, DC$84,980–$102,154 / yearWorking alongside leading development finance institutions such as the World Bank, Inter-American Development Bank (IDB), and International Finance Corporation (IFC), you will help deliver sustainable outcomes for projects spanning renewable energy, infrastructure, extractive industries, and low-carbon development. Who We Are: As the largest global pure play sustainability consultancy, we partner with the world's leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations.
Director of Garden and Landscape Operations The Mount Vernon Ladies Association Of The UnionDirector of Garden and Landscape OperationsMount Vernon, VA$81,200–$101,500 / yearThe Director serves as a leader, collaborator, and ambassador for Mount Vernon's gardens and landscapes, fostering cross-departmental partnerships and helping to ensure that the estate's landscapes contribute meaningfully to preservation goals, educational initiatives, visitor experiences, and the interpretation of George Washington's agricultural and environmental legacy. As a key member of the Gardens and Landscapes leadership team, the Director works closely with the Executive Director to implement departmental priorities, advance departmental and institutional strategic goals, and support the preservation, interpretation, and stewardship of George Washington's historic estate.
NewGovernment Contracts Project Manager RTEC TreecareGovernment Contracts Project ManagerFalls Church, VAFull timeThe ideal candidate is highly organized, knowledgeable in federal contracting regulations (FAR), and confident working directly with contracting officers and internal cross-functional teams. This role is responsible for full lifecycle federal contract management, including compliance, documentation, procurement, invoicing, and opportunity tracking across GSA and non-GSA contract vehicles.
NewSenior Consultant - Building Simulation and Impact Evaluation Guidehouse IncSenior Consultant - Building Simulation and Impact EvaluationArlington, VA$89,000–$148,000 / yearBachelor's degree in an engineering, environmental science, or related discipline AND Three (3+) plus years relevant utilities industry or consulting experience within the utilities industry; Or Master's degree in an engineering, environmental science, or related discipline AND Two (2+) plus years relevant utilities industry or consulting experience within the utilities industry. Multiple sector experience in analysis of energy savings for common energy efficiency measures for residential, commercial, or industrial sectors (such as lighting, HVAC, motors and drives, industrial processes, controls, weatherization, electrification, and/or custom measures).
High School Physics Teacher UNCOMMON SCHOOLS, INC.High School Physics TeacherNewark, NJ$60,000–$90,000 / yearTeacher certification is not a prerequisite for consideration at Uncommon Schools in the state of NJ, but you do need to meet NJ state certification eligibility requirements (a final undergraduate or graduate cumulative GPA of 3.0 for graduates on or after 9/1/16, or 2.75 if you graduated prior to 9/1/16). You'll teach a curriculum that includes, but is not limited to, analysis of Biology, Chemistry, Physics, and Environmental Sciences that prepares students for Advanced Placement (AP) and collegiate level coursework.
Director, Account Management Cambrex CorpDirector, Account ManagementNJQualifications/Skills Entrepreneurial personality, energetic and accountable in accomplishing the objectives of the business Strong communication skills Problem Solver High Performer able to manage and negotiate multi-million dollar contracts Ability to inspire customer confidence, promote and develop strong client to business relationships and become the provider of choice for existing and new clients. At Cambrex, we strive to build a culture where all colleagues have the opportunity to: engage in work that matters to our customers and the patients they serve learn new skills and enjoy new experiences in an engaging and safe environment strengthen connections with coworkers and the community We're committed to attracting and nurturing a passionate team of valued professionals in our fast-paced and growing company.
Lead Value Engineer - Life Sciences CelonisLead Value Engineer - Life SciencesNew York, NY$157,000–$200,000 / yearExpertise in generative AI techniques like RAG, few-shot learning, prompt engineering, multi-agent orchestration, multimodal understanding, or fine-tuning used to build high-impact use cases (e.g., intelligent chatbots for supplier collaboration, automated extraction of data from complex customs or quality documents). You will be working intimately with this strategic client, understanding their uniquely complex objectives-spanning from logistics to the precision distribution of advanced products-and building Celonis solutions using the world's leading Process Intelligence (PI) platform in combination with top AI and ML technology partners (e.g., Microsoft, OpenAI, Databricks).
Senior Technical Director – Site Remediation True EnvironmentalSenior Technical Director – Site RemediationFlorham Park, New Jersey$165,000–$200,000 / yearThe successful candidate will serve as a technical leader, project director, and practice builder, leading complex environmental projects while helping grow Matrix’s presence with key clients across industrial, infrastructure, redevelopment, and legal sectors. Its diverse expertise encompasses environmental remediation, urban planning, engineering iconic coastal and marine structures, developing sustainable energy sources, and pioneering resource extraction methods.
Senior Technical Director - Site Remediation Sundance Consulting, Inc.Senior Technical Director - Site RemediationNew York, NY$165,000–$200,000 / yearThe successful candidate will serve as a technical leader, project director, and practice builder, leading complex environmental projects while helping grow Matrix's presence with key clients across industrial, infrastructure, redevelopment, and legal sectors. Its diverse expertise encompasses environmental remediation, urban planning, engineering iconic coastal and marine structures, developing sustainable energy sources, and pioneering resource extraction methods.
Lead Value Engineer - Life Sciences Celonis SELead Value Engineer - Life SciencesNew York, NY$157,000–$184,000 / yearExpertise in generative AI techniques like RAG, few-shot learning, prompt engineering, multi-agent orchestration, multimodal understanding, or fine-tuning used to build high-impact use cases (e.g., intelligent chatbots for supplier collaboration, automated extraction of data from complex customs or quality documents). You will be working intimately with this strategic client, understanding their uniquely complex objectives-spanning from logistics to the precision distribution of advanced products-and building Celonis solutions using the world's leading Process Intelligence (PI) platform in combination with top AI and ML technology partners (e.g., Microsoft, OpenAI, Databricks).
Business Scientist, Data Science and Marketing Effectiveness EkimetricsBusiness Scientist, Data Science and Marketing EffectivenessNew York, NY$85,000–$93,333 / yearYour responsibilities As a Business Scientist at Ekimetrics, you will work on complex analytics projects for international blue-chip clients across diverse industries, delivering bespoke solutions and high-impact insights to senior executives. Your profile Bachelor's or Master's degree in quantitative field (e.g., statistics, applied mathematics, computer science, economics, operations research, or MBA) with 1 - 3 years of experience in data analysis, modeling, advanced analytics, or econometrics in a business or consulting environment.
Instructor, Bureau of Food Safety and Community Sanitation City of New YorkInstructor, Bureau of Food Safety and Community SanitationManhattan, NYA baccalaureate degree from an accredited college, including or supplemented by 30 semester credits in the physical and/or biological sciences, i.e., biology, botany, chemistry, geology, physics, physiology, and zoology; of which not more than 12 credit hours may be in the applied sciences, i.e., environmental technology, sanitation technology, medical technology, public health, infection control or food service; and at least two years of satisfactory full-time experience performing inspections to assure compliance with pertinent laws, rules and regulations governing the areas of food, drugs and general environmental conditions; or. With staff of 1,000, the Division covers a broad range of subject matter, including oversight of environmental investigations, lead poisoning, injury prevention, occupational health, food safety, childcare, radiation control, recreational and drinking water quality, air quality, climate health, vector control, veterinary public health and pest control.
IH Program Manager Atlas Technical Consultants IncIH Program ManagerNew York, NY$160,000–$165,000 / yearYou will work closely with clients, project teams, and technical professionals to deliver high-quality solutions that protect people, support safe buildings, and strengthen the communities we serve. We trust our people to do great work and live fulfilling lives, and we provide resources that care for our people, both at work and in life: Health & Wellness: We offer medical, dental and vision coverage with multiple plan options, including no-cost employee-only medical coverage.
Carbon Market Specialist ACT GroupCarbon Market SpecialistNew York, NY$130,000–$175,000 / yearYou'll help ACT stay ahead of regulatory developments across North American and global carbon markets, translating complex policy changes into actionable insights that drive commercial strategy, product development, and market expansion. To be successful in this role, we are looking for candidates with the following qualification and attributes: 3 - 6 years of experience in carbon markets, environmental commodities, energy markets, policy analysis, regulation, market research, or a related field.