On-Call Staff Biologist

Added 27/07/2026

We are seeking an On-Call Staff Biologist to provide flexible biological and environmental support across a range of field, laboratory, and technical assignments. This role is well suited to a motivated professional who can respond to short-notice requests, work effectively in changing conditions, and apply sound scientific judgement to environmental investigations, monitoring programmes, and resource management activities. Responsibilities may include conducting field surveys and biological assessments; identifying plants, wildlife, habitats, and other ecological features; collecting, handling, and documenting samples; recording accurate field observations; and assisting with environmental impact assessments, compliance monitoring, restoration projects, and habitat management. You may also support...

On-Call Staff Archaeologist | Field Technician | Northern California

Added 11/09/2026

We are seeking an On-Call Staff Archaeologist / Field Technician to support cultural resources investigations throughout Northern California. This is a flexible, field-based opportunity suited to an archaeology professional who can respond to short-term assignments, often involving construction monitoring, survey, testing, and documentation. Work may take place in remote locations, active construction areas, public lands, or other challenging field environments, with schedules varying according to project needs. Responsibilities may include conducting pedestrian surveys; monitoring ground-disturbing activities; identifying, documenting, and evaluating archaeological materials and features; completing shovel test probes and other subsurface investigations; recording observations using approved field forms, maps, photographs,...

Staff Engineer - Industrial Water Treatment

Added 01/09/2026

We are seeking a Staff Engineer – Industrial Water Treatment to provide technical leadership across the development, design, and delivery of complex water and wastewater treatment solutions. This role will support projects from early feasibility and concept development through detailed design, commissioning, and operational support. You will act as a senior technical authority, helping to define practical, compliant, and cost-effective treatment strategies for industrial clients with demanding water quality, production, and environmental requirements. Key responsibilities include developing process designs, treatment philosophies, mass balances, process flow diagrams, equipment specifications, and technical reports. You will review and optimise treatment technologies such as...

Sr. Staff Engineer, Renewable Engineering (Solar)

Added 19/08/2026

We are seeking a highly motivated and experienced Sr. Staff Engineer in Renewable Engineering, specializing in solar energy systems. In this role, you will lead the design, development, and implementation of innovative solar solutions. You will work closely with cross-functional teams to ensure that projects are completed on time, within budget, and meet all required specifications. Your responsibilities will include conducting feasibility studies, overseeing system performance analysis, and providing technical guidance throughout the project lifecycle. You will also be responsible for developing and maintaining strong relationships with stakeholders, including clients, regulators, and industry partners. The ideal candidate will possess a...

Staff Water Resources Engineer

Added 17/08/2026

We are seeking a Staff Water Resources Engineer to support the planning, design, and delivery of water resources projects across a range of public and private sector clients. This role will contribute to projects involving stormwater management, flood risk assessment, drainage infrastructure, hydrologic and hydraulic modelling, watershed planning, and water quality. You will work as part of multidisciplinary project teams, applying sound engineering judgement to develop practical, resilient, and cost-effective solutions. Key responsibilities include preparing technical reports, design calculations, drawings, specifications, and permit documentation; developing and reviewing hydrologic and hydraulic models; analysing rainfall, runoff, river, and drainage data; and supporting...

Staff Water Operations Specialist

Added 05/08/2026

We are seeking a Staff Water Operations Specialist to provide technical leadership and operational support across water treatment, distribution, and related infrastructure. This role is suited to an experienced water professional who can combine hands-on operational knowledge with strong analytical, coordination, and problem-solving skills. You will help ensure safe, reliable, compliant, and efficient water services while supporting continuous improvement across operational activities. Key responsibilities include monitoring and optimising water treatment and distribution processes; reviewing operational data, plant performance, alarms, and trends; identifying risks and implementing corrective actions; and supporting investigations into incidents, service interruptions, quality concerns, and equipment failures. You...

Staff Solar Performance Engineer - Solar (Multiple Locations)

Added 29/06/2026

We are seeking a highly skilled Staff Solar Performance Engineer to join our dynamic team in multiple locations. In this role, you will be responsible for analyzing and optimizing the performance of solar energy systems. You will conduct detailed performance assessments, identify inefficiencies, and develop strategies to enhance the energy yield of solar installations. Your expertise will guide the design and implementation of performance monitoring systems, ensuring that all projects meet the highest standards of efficiency and reliability. The ideal candidate will have a strong background in solar energy systems, with a focus on performance analysis and optimization. You will...

Environmental Planner/Wildlife Biologist or an Associate Environmental Planner/ Wildlife Biologist

Added 19/08/2026

We are seeking an Environmental Planner/Wildlife Biologist or Associate Environmental Planner/Wildlife Biologist to support a diverse portfolio of environmental planning, natural resource management, and wildlife conservation projects. The successful candidate will contribute to environmental assessments, permitting, habitat evaluations, biological surveys, and regulatory compliance activities for projects involving land development, infrastructure, restoration, and conservation. This is an opportunity to apply strong technical knowledge while working collaboratively with project managers, planners, engineers, regulators, clients, and community stakeholders. Key responsibilities include conducting and coordinating wildlife and habitat surveys; identifying potential environmental impacts; preparing technical reports, impact assessments, biological evaluations, mitigation plans, and permit...

Mid - Senior Wildlife Biologist / Project Manager - Inland Empire

Added 21/09/2026

We are seeking a Mid- to Senior-Level Wildlife Biologist / Project Manager to support environmental planning and compliance projects across California’s Inland Empire. This role is ideal for an experienced environmental professional who can combine strong field biology expertise with project coordination, technical reporting, client communication, and regulatory knowledge. The successful candidate will work on a diverse range of development, infrastructure, and conservation projects involving sensitive biological resources and protected species. Responsibilities will include conducting and overseeing biological surveys, habitat assessments, nesting bird surveys, focused species surveys, and biological monitoring; preparing biological technical reports, impact assessments, mitigation plans, and permit...

Associate or Senior Wildlife Biologist/Regulatory Specialist - Folsom

Added 14/09/2026

We are seeking an Associate or Senior Wildlife Biologist/Regulatory Specialist to support environmental planning, permitting, and compliance projects in the Folsom area. This role will contribute to projects involving wildlife resources, habitat conservation, biological constraints, and regulatory approvals across a range of public and private-sector developments. The successful candidate will combine strong technical knowledge with practical project coordination skills and will be comfortable working in the field, in the office, and with clients, agencies, and multidisciplinary teams. Responsibilities may include conducting and overseeing biological surveys; documenting wildlife, plant, and sensitive habitat conditions; preparing technical reports, biological assessments, constraints analyses, and...

Senior Biologist On-Call

Added 26/08/2026

We are seeking an experienced Senior Biologist to provide expert biological support on an on-call basis. The role will involve responding to urgent operational, environmental, or scientific requirements, assessing available information, and providing clear recommendations within agreed response times. You will work across a range of situations, coordinating with technical teams, field personnel, contractors, and relevant stakeholders to support safe, compliant, and scientifically robust outcomes. Key responsibilities will include reviewing biological data and technical reports; undertaking or overseeing field assessments, surveys, sampling, and monitoring activities; identifying potential ecological risks; and advising on appropriate mitigation measures. You may be required to...

Senior Biologist / Project Manager

Added 20/08/2026

We are seeking an experienced Senior Biologist / Project Manager to lead the delivery of biological and environmental projects from initial scoping through to completion. This is an opportunity for a technically strong professional who can combine scientific expertise with effective project leadership, client communication and commercial awareness. You will manage multiple projects concurrently, ensuring that work is delivered to a high standard, on schedule and within budget. Responsibilities will include developing project plans, budgets and technical approaches; coordinating field surveys, laboratory analysis, data interpretation and reporting; reviewing technical outputs; and ensuring compliance with relevant legislation, standards, permits and health...

Senior Biologist

Added 07/08/2026

We are seeking an experienced Senior Biologist to lead and contribute to biological research, development, and laboratory operations across a range of programmes. The successful candidate will design and execute scientifically robust studies, interpret complex data, and provide clear recommendations that support project objectives. You will work collaboratively with multidisciplinary teams, helping to translate biological insights into practical outcomes while maintaining high standards of scientific quality, integrity, and compliance. Key responsibilities will include developing experimental plans, selecting appropriate methodologies, and overseeing laboratory and field-based investigations as required. You will analyse, validate, and document results; prepare technical reports, study protocols, presentations,...

Mid - Senior Wildlife Biologist / Project Manager - Orange County

Added 07/08/2026

We are seeking a mid- to senior-level Wildlife Biologist / Project Manager to lead biological consulting and natural resources projects in Orange County and throughout Southern California. This role is suited to an experienced professional who can combine strong field expertise with effective project coordination, client communication, and team leadership. The successful candidate will support projects involving habitat assessments, wildlife surveys, regulatory compliance, biological constraints analyses, and environmental documentation for development, infrastructure, and conservation-related work. Responsibilities will include planning and conducting focused and general wildlife surveys; coordinating field teams, subcontractors, and technical specialists; reviewing and interpreting biological data; preparing technical...