Job Title: Environmental Scientist and Coastal and Upland Ecologist Location: - San Antonio, Texas - Austin, Texas - Corpus Christi, Texas - Houston, Texas Work Arrangement: - Hybrid (Austin, Texas, or San Antonio, Texas) - Remote (Houston, Texas, or Corpus Christi, Texas) Employment Type: Full-time (40 hours per week) Travel: Up to 30% (occasional overnight travel) Job Description: The Opportunity: Tetra Tech is adding an Environmental Scientist / Coastal & Upland Ecologist to our Central South team based in Texas. This position will support a wide variety of challenging and complex water resources, coastal resilience, ecological restoration, environmental compliance, and natural resources projects throughout Texas, New Mexico, and the broader Southwest. The ideal candidate will bring a background in coastal, marine, estuarine, wetland, riparian, or upland ecology, with the ability to support both field-based biological assessments and technical analyses for environmental planning, permitting, restoration, and watershed projects. This role is well suited for a biologist, ecologist, or environmental scientist who is comfortable working across coastal and upland environments, including Texas Gulf Coast systems, inland watersheds, riparian corridors, wetlands, grasslands, shrublands, arid landscapes, and project sites throughout Texas and New Mexico. Why Tetra Tech: At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For 60 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world. Your Impact: Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential - join us to advance your career while leaving a lasting legacy. Position Summary: We are seeking an Environmental Scientist / Coastal & Upland Ecologist with experience in biological field assessments, GIS mapping, environmental permitting, and technical reporting. The ideal candidate will have strong ecological training and applied consulting skills, with experience or interest in both: - Coastal, marine, estuarine, and wetland systems, particularly along the Texas Gulf Coast; and - Upland, riparian, arid, and semi-arid systems in Texas, New Mexico, and the broader Southwest. This position will support multidisciplinary teams of biologists, ecologists, engineers, hydrologists, modelers, planners, and regulatory specialists. Work may include field surveys, habitat assessments, wetland delineations, threatened and endangered species evaluations, environmental compliance documentation, GIS analysis, restoration planning, watershed studies, and synthesis of ecological data into actionable recommendations for clients. The role may also involve spatial and temporal data processing, ecological modeling, and interpretation of environmental datasets, but the primary emphasis is on applied ecology, biology, environmental assessment, and project support. Essential Job Functions: The following duties are essential to this role. Reasonable accommodation will be provided to enable individuals with disabilities to perform these functions. - Conduct field surveys to inventory and assess vegetation, wildlife, wetlands, riparian areas, upland habitats, and coastal or estuarine systems. - Perform or support wetland delineations, habitat assessments, threatened and endangered species evaluations, and biological resource surveys using applicable federal and state methods. - Support coastal, marine, and estuarine projects along the Texas Gulf Coast, including assessments of marshes, tidal flats, seagrass beds, oyster reefs, dunes, beaches, bay systems, coastal prairie, and other sensitive ecological resources. - Support upland, riparian, arid, semi-arid, grassland, shrubland, and desert environmental projects in Texas, New Mexico, and the broader Southwest. - Assist with environmental permitting and compliance documentation, including Clean Water Act Sections 404 and 401, NEPA, ESA, biological assessments, mitigation plans, monitoring plans, and related environmental review documents. - Conduct GIS-based mapping and spatial analysis to support biological surveys, environmental constraints analyses, impact assessments, restoration planning, permitting, and technical reports. - Compile, process, QA/QC, and interpret environmental datasets from field surveys, public databases, agency sources, remote sensing products, monitoring programs, and project-specific studies. - Prepare technical reports, wetland delineation reports, biological assessments, permit applications, monitoring reports, memoranda, maps, figures, visualizations, and client-ready presentations. - Support watershed planning, stream and river restoration, coastal resilience, ecological restoration, nature-based solutions, and environmental mitigation projects. - Coordinate with multidisciplinary teams, including engineers, hydrologists, planners, modelers, regulators, and other environmental specialists. - Participate in client meetings and project discussions as a technical team member, and support proposal development, scopes of work, technical approaches, and cost estimates as appropriate. Required Qualifications: - Bachelor's degree in Ecology, Biology, Environmental Science, Marine Science, Coastal Ecology, Natural Resources, or a related field. - 1-5 years of professional experience in environmental consulting, ecological fieldwork, biological assessment, natural resources management, environmental compliance, restoration, or related work. - Experience preparing or contributing to technical reports, environmental documentation, biological assessments, wetland reports, permit applications, or monitoring plans. - Proficient in ArcGIS or similar geospatial software for spatial analysis and mapping. - Ability to produce clear maps, figures, visualizations, and written summaries of field observations, environmental data, and technical analyses. - Willingness to support proposal development, scopes of work, and client coordination as appropriate. - Strong written and verbal communication skills for technical reports and client meetings. - Ability to work independently and as part of a team, including coordination with clients, agencies, and internal project teams as appropriate. Preferred Qualifications: - Master's degree or PhD in Ecology, Biology, Environmental Science, Coastal Ecology, Marine Science, Natural Resources, or a related field. - Experience with Texas coastal systems, Gulf Coast ecology, estuarine habitats, coastal restoration, or coastal resilience projects. - Experience with upland, riparian, grassland, shrubland, desert, or arid/semi-arid ecosystems in Texas, New Mexico, or the broader Southwest. - Experience conducting or supporting wetland delineations, biological surveys, habitat assessments, mitigation planning, restoration monitoring, or construction-phase environmental compliance. - Experience preparing or supporting Clean Water Act Sections 404/401 permit applications, NEPA documentation, ESA documentation, biological assessments, environmental assessments, or related regulatory submittals. - Experience with R, Python, or similar tools for ecological data analysis, data visualization, habitat suitability modeling, species distribution modeling, water quality analysis, or reproducible workflows. - Familiarity with coastal, estuarine, wetland, riparian, stream, or upland restoration planning and monitoring. - Experience managing environmental or geospatial datasets, metadata, QA/QC procedures, or data provenance. - Consulting experience or experience coordinating with clients, agencies, contractors, or multidisciplinary project teams. Physical Requirements: - Ability to travel for client and business development meetings as needed. Travel is estimated to be up to 30% yearly (occasional overnight travel). - Ability to perform fieldwork in rugged conditions for extended periods including walking, standing, bending, and kneeling. - Ability to work outdoors in a range of weather conditions (heat, rain, wind, cold) during fieldwork. - Ability to lift and carry materials/equipment up to 50 pounds. - Ability to sit at a workstation and use a computer for extended periods of time (up to 8 hours/day). Additional hours may be required based on project needs. - Manual dexterity to use a computer mouse, keyboard, and other tools. - Ability to communicate effectively in-person and via electronic means. Additional Information - For this role, we are open to hybrid work schedules in our Austin, TX or San Antonio, TX offices, or remote work schedules in Houston, TX or Corpus Christi, TX. - This position is scheduled for full-time work (40 hours/week) with a typical schedule of 8:00am to 5:00pm Monday to Friday. Additional hours may be required based on project needs. Life at Tetra Tech: The perks of working at Tetra Tech include: - Comprehensive and market-competitive benefits. - Merit-based financial rewards. - Flexibility and company-wide commitment to work/life balance. - Collaborative team atmosphere that values the contributions of all employees. - Learning and development opportunities for ongoing professional growth. About Tetra Tech: Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 25,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

Role Description Parsons is looking for a highly experienced Principal Research Scientist to join our team! In this role you will get to work with other scientists and engineers to research and develop radiation transport models. What You'll Be Doing: - Work with a team of scientists and engineers to improve and add new capabilities to atmospheric radiative transfer model for an advanced multi-physics model - Document and present work to team members and others in the modeling community - Keep current with new developments in numerical methods and advances in the field of radiative transfer and remote sensing Qualifications - 20+ years of experience in scientific modeling and analysis - Extensive research experience in atmospheric radiative transfer (thermal/optical), including peer-reviewed publications - Expert knowledge of Monte Carlo atmospheric scattering models - Ability to work independently and also work well with others in a team environment - Excellent verbal and written communication skills - Ph.D. in engineering or scientific discipline Requirements - An active Secret security clearance is required for this position. Desired Skills - Experience coding in Fortran (both legacy and modern) - Experience mentoring other scientists/engineers Salary Range $60.14 - $108.27 Company Description This position is part of our Federal Solutions team. The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Role Description As part of our Biodiversity Credits Program at TNC, you will work with our Global Science Team to build the scientific foundation for our strategy to engage in emerging biodiversity markets. You will support credible, equitable, and scalable approaches to biodiversity crediting in alignment with TNC’s mission and our ambitions 2030 Goals. In this role, you will contribute to high-impact research publications and conceptual frameworks that strengthen our understanding of functional and equitable biodiversity credit markets. You will build a scientific agenda that focuses on: - Biodiversity measurement and unit consolidation - Biodiversity market mechanisms - Biodiversity credit outcome integrity By partnering across our organization, academic institutions, NGOs, and global initiatives, you will help build the collaborative scientific infrastructure needed to move biodiversity markets from early experimentation to a robust and trusted nature finance tool within a broader finance toolbox. You will design and facilitate scientific convenings, working groups, and expert dialogues. The location for this position is negotiable for locations where TNC is an established NGO. No immigration/visa sponsorship or relocation assistance is available with this position. Qualifications - Master's Degree in a science-related field and 4 years of experience or equivalent combination of education and experience. - Demonstrated record of peer-reviewed publications in relevant high-impact journals. - Knowledge of compliance and voluntary nature markets, nature-positive initiatives, or nature finance. - Experience manipulating, analyzing, and interpreting statistical or environmental data. - Experience fundraising and/or writing grants and research proposals. - Experience leading or participating on cross-functional teams. - Experience managing complex projects including the financial aspect and coordinating the work of peers and partners. - Experience working and communicating with a wide range of people. Requirements - Play a central part in advancing TNC’s science agenda for biodiversity credits, with a particular focus on biodiversity measurement and accounting. - Identify priority scientific gaps and research questions that must be addressed to scale positive biodiversity outcomes through responsible use of credits. - Translate emerging biodiversity science into clear, actionable insights that can inform strategy, policy, and market engagement across TNC. - Evaluate and synthesize global biodiversity datasets and emerging biodiversity monitoring technologies. - Develop and articulate scientific narratives, frameworks, and foundations needed to strengthen the integrity, coherence, and credibility of credits globally. - Span highly collaborative applied research teams, engage with external scientific partners, write, and contribute to scientific community building. - Contribute scientific expertise to biodiversity credit projects, helping assess feasibility, risks, and outcome integrity from early design stages through to implementation. - Consider biodiversity market design principles, including demand signals, fungibility, and scalability across regulated and voluntary contexts. Desired Qualifications - PhD and 1-3 years experience. - Multi-language skills and cross-cultural experience appreciated. - Experience in interdisciplinary science efforts that balance the rigors of science with the pragmatic needs of practitioners and policy experts. - Familiarity with credit standards bodies, certification schemes, market governance, voluntary corporate nature disclosures and targets, or nature-positive accounting approaches. - Ability to convene and facilitate multi-stakeholder groups and build working relationships across disciplines. - Experience with rapidly evolving biodiversity science technologies, such as agentic systems, biodiversity monitoring technologies including eDNA, acoustic monitoring, or camera traps, and experience working with associated data, biodiversity MRV and biodiversity metrics. - Experience exercising independent scientific judgment in defining research approaches and analytical methods. - Ability to work across global time zones and ability to travel. Salary Information The starting pay range for a candidate selected for this position is generally within the range of $109,700 - $113,900 USD. This range only applies to candidates whose country of employment is the USA. Where a successful candidate’s actual pay will fall within this range will be based on a variety of factors, including, for example, the candidate's location, qualifications, specific skills, and experience. Please note countries outside the USA would have a different pay range in the local currency based on the local labor market, and not tied to USA pay or ranges. Your geographic location will be confirmed during the recruitment. Benefits - Competitive, comprehensive benefits package including health care benefits. - Flexible spending accounts. - 401(k) plan with an 8% employer match. - Parental leave. - Accrued paid time off. - Life insurance. - Disability coverage. - Employee assistance program. - Other life and work well-being benefits.

Role Description As a Research Scientist at Resolution, you'll work as part of a research program led by a senior researcher (which could be you!). At Resolution, our goal of reaching higher confidence in alignment will require significant new contributions in both methods and scientific understanding. The work you do day-to-day will be part of a collaborative research program; all programs involve deep technical research, with strong support for cross-program collaboration. We welcome both empirical and theoretical profiles. Responsibilities - Research within your program: translating and modelling alignment problems into concrete empirical or theoretical form and executing on the resulting concrete problems. - Execution means designing and running experimental protocols and methods for empirics, and proving, conjecturing, and investing in autoformalization for theory. - Writing and presentation of completed research in the form of papers, blog posts, and talks. - Communication of research progress and obstacles to members of your team through channels like Slack on a daily basis and in weekly meetings. Qualifications - Have a graduate degree (Ph.D.) or equivalent experience in a field relevant to the program you're applying to: ML, CS, mathematics, physics, statistics, philosophy, or something closely related. - Have a track record of research and strong technical writing ability: papers, preprints, or comparable output. - Have a strong mathematical background, even if your work is primarily empirical. - Can credibly articulate why your area of alignment work is worth pursuing. - Are willing to use AI tools aggressively in your own workflow, with appropriate care to not get fooled! - Are motivated by alignment of artificial superintelligence (ASI) and want to contribute to it full-time. Strong Candidates May Also Have - Hands-on experience with debate, prover-verifier games, RLHF empirics at frontier scale; familiarity with the scalable oversight literature; background in game theory, complexity theory, mechanism design, or decision theory. - Demonstrated expertise in theoretical computer science, including creative modeling and assumption generation. - Background in algebraic geometry, Bayesian statistics, information theory, statistical physics, optimization theory, or learning theory; familiarity with (singular) learning theory. - Experience scaling experiments to billion-plus parameter models; a track record of productive collaboration with engineers; prior engagement with our research or sibling organizations (Simplex, ARC, etc.). - Experience with AI alignment is a plus, but is not a requirement. Application Process - Initial screener: A 20-minute conversation with a senior researcher to discuss your research background, motivations, and interests. - Work trial: A 4-hour take-home assignment. We'll collect references in parallel. We'll compensate you for your time, subject to right-to-work constraints. - Work trial review: A 45-minute discussion of your work trial. - Research talk: A 30–40 minute interactive conversation about your previous research. - Senior 1:1: A 30-minute conversation with a member of our research leadership. Logistics - Salary: Your salary depends on the scope, autonomy, and impact we expect you to have while working at Resolution. The expected range of salaries for this role is: - L3: $141,000 remote; $236,000 in-person - L4: $208,000 remote; $346,000 in-person - L5: $270,000 remote; $451,000 in-person - L6: $402,000 remote; $670,000 in-person - L7: $738,000 remote; $930,000 in-person - Strong early-career researchers will typically come in at L3. Someone with several years of independent research experience would likely start at L4 or L5. - Location: Berkeley, California. Remote may be considered in exceptional cases. Benefits - 5 weeks of paid vacation per year, in addition to public holidays. - Comprehensive healthcare insurance (medical, dental, vision). - Unlimited sick leave to prioritize your well-being. - An unconditional 401(k) contribution equal to 4% of your salary. - Visa sponsorship: We can sponsor visas for relocation to Berkeley. Minimum Education - A bachelor's degree in a field relevant to the role, or an equivalent combination of education, training, and/or professional experience that demonstrates comparable knowledge. Deadline - 19th July. Applications are rolling — please apply ASAP. We'll respond to applications within one week of receipt. Start Date - ASAP.