
- Bachelor's Degree (or equivalent experience) in geography or closely related field with a concentration in GIS
- Minimum ten years of professional work experience in a GIS position; with progressive levels of responsibility, including a supervisory role
- Expert knowledge of GIS software, tools, principals and standards using Esri’s ArcPro, ArcGIS Desktop, 3D and Spatial Analyst
- Proficiency in cartography and map design, including an understanding of coordinate systems.
- Knowledge of GPS technology, field data collection techniques, and data integration to GIS using ArcGIS Field Maps and ArcGIS Survey123
- Familiarity with the Southern California geographic environment and data sources, including environmental resources, impact analyses, and knowledge of biological, archaeological, paleontological, and habitat restoration data sources
- Must demonstrate strong written and verbal communication skills.
- Master’s Degree in geography or closely related field
- Professional GIS experience working in the environmental consulting industry
- Drone pilot, or experience processing drone flight data, preferably using ArcGIS Drone2Map.
- AutoCAD experience (preferably AutoCAD Map), including using it as a standalone software, and converting data to/from ArcMap.
- Experience using the Adobe Suite, preferably Adobe InDesign.

Job Features
HELIX is seeking an experienced senior-level GIS Specialist to manage our Southern California GIS group. The position will be based out of our San Diego County office in La Mesa, California, with flex...
- Bachelor's Degree (or equivalent experience) in geography or closely related field with a concentration in GIS.
- 2 years of professional experience using ESRI software
- Knowledge of geospatial principles, practices and standards
- Experience performing analysis using geoprocessing tools within ArcGIS environments
- Proficiency in cartography and map design, including an understanding of coordinate systems
- Knowledge of GPS technology, field data collection techniques, data integration to GIS, and troubleshooting of equipment and digital files.
- Experience publishing and managing web-based GIS services in ArcGIS Online for Organizations or Portal, Fieldmaps and Survey123
- Familiarity with the California geographic environment, including mapping of environmental resources, impact analyses, and knowledge of biological, archaeological, paleontological, and habitat restoration data sources
- Experience with Arcade or similar scripting language
- Drone pilot, or experience processing drone flight data, preferably using ArcGIS Drone2Map.
- Experience working in the environmental consulting industry
- AutoCAD experience (preferably AutoCAD Map), including using it as a standalone software, and converting data to/from ArcMap
- Experience using the Adobe Suite, preferably Adobe InDesign, Photoshop and Illustrator

Job Features
HELIX is seeking a GIS Specialist to join the team in our San Diego, at our La Mesa office. HELIX provides CEQA/NEPA, biological, cultural resource management, habitat restoration, regulatory permit...
- Design or assist with designing habitat restoration projects to meet project goals and success criteria.
- Design and implement site exploration programs to evaluate the potential for successful restoration efforts.
- Work with Field Restoration Crews to implement restoration designs and lead adaptive management efforts as projects evolve through the restoration process.
- Develop habitat restoration plans in conjunction with regulatory permitting staff that meet project permit goals.
- Assist with project design and descriptions to support restoration grant application efforts.
- Conduct or lead biology surveys, including biological reconnaissance, vegetation mapping, special-status plant surveys, jurisdictional delineations, focused species surveys and/or pre-construction clearance surveys.
- Conduct or lead biological monitoring for construction/restoration projects.
- Assist project managers with preparation and processing of wetland permit applications and supporting materials.
- Participate in business development by keeping resume current, doing a great job on projects, and looking for possible leads for new work.
- Prepare or assist project managers with proposals and augments for private and public projects, as well as preparation for (or attendance at) project interviews.
- Includes occasional overnight travel.
- Bachelor’s degree or equivalent in an environmental science, including botany, biology or other related field (degree in biochemistry or microbiology not acceptable)
- five years of experience (outside of academic requirements) as a professional biologist or restoration ecologist conducting duties related to the job requirements, including at least 2 years of work experience in southern California
- Experience with field data collection methods and equipment
- Possess excellent communication skills, both written and verbal
- Proficient in Microsoft Word and Excel
- Ability to hike long distances over varying terrain under varying weather conditions
- Valid California Driver’s License with a clean driving record over the last 3 years
- Ability for occasional overnight travel
- Experience working for an environmental consulting firm
- Permits to conduct focused surveys for southern California special-status flora and fauna
- Arborist Certification from the International Society of Arboriculture
- Society for Ecological Restoration CERP or CERPIT
- Basic Wetland Delineation Certificate
- Society of Wetland Scientists Wetland Certification
- Experience facilitating coordination and/or acting as liaison with U.S. Fish and Wildlife Service, U.S. Army Corps of Engineers, Regional Water Quality Control Board, and/or California Department of Fish and Wildlife
- Experience with hands-on habitat restoration, including plant propagation or equipment operation
- Experience with the proper use of herbicide
- Experience with ArcGIS for field data collection
- Experience leading field survey efforts and monitoring efforts
- Experience with environmental compliance monitoring during construction

Job Features
HELIX is seeking a motivated Biologist (Restoration Specialist) with critical thinking skills and a strong work ethic to join Pasadena office team. HELIX is a full-service environmental consulting fi...
- Assisting with or leading biology surveys, including biological reconnaissance, vegetation mapping, special-status plant surveys, jurisdictional delineations, focused species surveys and/or pre-construction clearance surveys.
- Conducting or leading biological monitoring for construction/restoration projects.
- Drafting or leading preparation of due diligence, focused survey, habitat assessment, biological technical reports, biological sections of NEPA/CEQA documents, annual reports, restoration plans and jurisdictional delineation reports, including analyzing impacts and identifying mitigation measures.
- Assisting project managers with preparation and processing of wetland permit applications and supporting materials.
- Maintaining accurate field notes and maps, project files, work logs, etc.
- Providing high-quality work products on schedule and within budget.
- Participating in business development by keeping resume current, doing a great job on projects, and looking for possible leads for new work.
- Preparing or assisting project managers with proposals and augments for private and public projects.
- Includes occasional overnight travel.
- Bachelor’s degree or equivalent in an environmental science, including botany, biology or other related field (degree in biochemistry or microbiology not acceptable)
- Four years of experience as a professional biologist conducting duties related to the job requirements, including at least 1 year of work experience in southern California
- Experience working for an environmental consulting firm
- Demonstrated experience independently conducting biological resource assessments/evaluations
- Experience with field data collection methods and equipment
- Demonstrated experience preparing biological technical reports
- Ability to hike long distances over varying terrain under varying weather conditions
- Valid California Driver’s License with a clean driving record over the last 3 years
- Ability for occasional overnight travel
- Candidates must demonstrate excellent communication skills, both written and oral.
- Proficient in Microsoft Word and Excel
- Two years or more years of experience conducting floristic surveys in southern California
- Ability to use Jepson Manual and other taxonomic keys to accurately identify plant species
- Demonstrated experience independently conducting aquatic resource delineations
- Permits to conduct focused surveys for southern California special-status flora and fauna
- Arborist Certification from the International Society of Arboriculture, Basic Wetland Delineation Certificate or Society of Wetland Scientists Wetland Certification
- Experience facilitating coordination and/or acting as liaison with U.S. Fish and Wildlife Service, U.S. Army Corps of Engineers, Regional Water Quality Control Board, and/or California Department of Fish and Wildlife
- Experience leading field survey efforts and monitoring efforts
- Experience with native habitat restoration planning and implementation
- Experience with environmental compliance monitoring during construction

Job Features
HELIX is seeking a motivated Mid-level Biologist for its Pasadena office. HELIX provides biological resources, landscape architecture, environmental planning, regulatory compliance, habitat restorati...
- Bachelor’s degree or equivalent in environmental studies, environmental science, environmental engineering, public planning, or a related field.
- Minimum eight years of experience in the preparation of CEQA compliance documents, including at least four years of experience in the preparation of proposals, a proven track record of business development, and management of CEQA compliance projects.
- Experience in leading proposals and business pursuits and marketing of environmental consulting services.
- Existing client relationships.
- Excellent writing, verbal communication, analytical, and presentation skills.
- Strong attention to detail, including strong spelling, proofreading, and organizational skills.
- Strong computer skills including proficiency in Microsoft Word, Excel, and PowerPoint.
- Master’s or PhD degree (or equivalent) in environmental studies, environmental science, geography, natural science, environmental engineering, public planning, business, or a related field.
- Experience with a variety of infrastructure and development project types, CEQA document types, and private sector/public agency clients is desirable.
- Extensive work experience within Central and Northern California.

Job Features
HELIX is seeking a team-orientated and motivated Senior Environmental Project Manager with critical thinking skills and a strong work ethic, to join our Northern California team. HELIX provides CEQA...
- Take on a strong leadership role in corporate business development. Build relationships with key clients. Identify, target, and develop preferred new clients with significant opportunities. Play an active role in strengthening key client relationships. Work with other HELIX groups to bring in multi-disciplinary projects. Participate in negotiation and closing of high-priority contracts.
- Work with the Southern California Planning Division Manager, Environmental Planning Discipline Leader, and Human Resources to recruit and mentor environmental planning staff.
- Manage large CEQA/NEPA compliance projects and on-call contracts and assist others in the completion of environmental documents as needed, completing high-quality work products on time and within budget, to HELIX standards, and to the satisfaction of lead agencies/HELIX clients.
- Prepare proposals/qualifications submittals and manage or participate in interviews to help the company win contracts and meet sales and profit goals.
- Successfully represent HELIX in communications, team meetings, agency hearings and networking/marketing events.
- Bachelor’s degree or equivalent in environmental studies, environmental science, environmental engineering, public planning, or a related field.
- Minimum of 10 years of experience managing CEQA and NEPA compliance programs and preparing high-quality CEQA and NEPA documents, including at least 5 years of experience as a CEQA/NEPA consultant.
- Strong business development experience, with existing productive client and agency relationships in Southern California.
- Excellent writing, verbal communication, and presentation skills.
- Knowledge of Southern California environmental and regulatory settings, with related environmental/planning work experience within that setting.
- Proven experience managing large-scale, multi-disciplinary projects.
- Ability to commute to, and work from, our HELIX office in Pasadena an average of at least two days per week, and up to five days per week if that is your preference.
- Master’s degree or higher in environmental studies, environmental science, environmental engineering, public planning, business, or a related field.
- American Institute of Certified Planners or Certified Environmental Planner certification.
- Experience managing direct reports.

Job Features
HELIX is seeking an experienced Principal Planner for our Pasadena office location. This role offers fantastic opportunities for growth and the ability to work with an exceptional management team on i...
- Serve as project manager for a variety of biological resources-related projects that range from small in size and scope, to large and complex that require an expert understanding of local and regional biological resources and regulations
- Lead the day-to-day project management tasks, including client management, team building, scheduling, work delegation, subconsultant coordination, quality assurance/quality control reviews, budget and deliverable deadline tracking, deliverable production, invoicing, contracting, and accounts receivable
- Lead the preparation of due diligence/constraints reports, biological technical reports (including impact analysis and mitigation measures for CEQA/NEPA compliance), focused survey reports, regional conservation plan consistency documents (e.g., NCCP/HCP, MSCP, MSHCP, etc.), restoration/mitigation plans, annual monitoring reports, and other related documents for projects throughout multiple jurisdictions/locations
- Lead the preparation and processing of regulatory permits with the various resource agencies, including Clean Water Act Section 404/401, Porter-Cologne Waste Discharge Requirements, Fish and Game Code Section 1602 Streambed Alteration Agreements, federal Endangered Species Act Section 7, and California Endangered Species Act Section 2080.1/2081 authorizations. Lead agency interface and negotiations, including mitigation requirements, permit conditions, and approval of mitigation/restoration sites
- Lead proposals, interviews, and participate in business development activities for HELIX
- Assist with mentoring and training of less experienced team members
- Bachelor’s degree (or equivalent experience) in an environmental science, biology, ecology, or related field (degree in biochemistry or microbiology not acceptable)
- 10+ years of experience in the environmental field leading and assisting with task implementation for biological resources, natural resources, or other similar projects
- 5+ years of project management experience for biological resources, natural resources, or similar projects
- Excellent communication skills, both verbal and written
- Demonstrated experience in preparing biological resources related technical reports for CEQA/NEPA compliance and mitigation plans in accordance with agency requirements
- Demonstrated experience managing multiple concurrent projects and project teams, including large scale natural resources based projects
- Proven ability to complete projects within time and budget constraints
- Strong client and agency relationships; demonstrated experience leading client management and agency communications especially for agencies overseeing Bay Area or Central Valley jurisdictions
- Master’s degree or higher in Biology, Natural Resources, or related field
- Experience processing state and federal resource agency permit applications and consultations for jurisdictional waters/wetlands and endangered species
- Demonstrated experience with marketing and business development

Job Features
HELIX is seeking a team orientated and motivated Sr. Biology Project Manager with critical thinking skills and a strong work ethic, to join our Northern California team. This position will focus pri...
- Must be able to lift up to 50 lbs. and stand for extended periods of time
- Must be physically able and willing to work in varying terrain (including uneven surfaces and steep slopes) and weather conditions
- Valid California Driver’s License with a clean driving record over the last 3 years
- 1+ years of general labor and/or landscaping experience
- Knowledge of native plants
- Irrigation experience
- Planting experience
- Ability to use a smart phone and tablet for reporting purposes

Job Features
HELIX’s Construction Group, an environmental construction and habitat restoration company, is seeking a highly motivated Landscape Habitat Restoration Technician to join our team located at our ...
- Must be able to lift up to 50 lbs. and stand for extended periods of time
- Must be physically able and willing to work in varying terrain (including uneven surfaces and steep slopes) and weather conditions
- Valid California Driver’s License with a clean driving record over the last 3 years
- 1+ years of general labor and/or landscaping experience
- Knowledge of native plants
- Irrigation experience
- Planting experience
- Ability to use a smart phone and tablet for reporting purposes

Job Features
HELIX’s Construction Group, an environmental construction and habitat restoration company, is seeking an experienced, highly motivated Habitat Restoration Technician with critical thinking skill...
- 3+ years of landscape and/or habitat restoration experience
- Ability to operate a smart phone and electronic devices such as a tablet, iPad, etc. for reporting purposes
- Willingness to travel out of town occasionally (will include overnight stays)
- Must have a valid California Driver’s License with a clean driving record over the last three years
- Must be physically able and willing to work in varying terrain (including uneven surfaces and steep slopes) and weather conditions
- Must be able to lift up to 50 lbs. and stand for extended periods of time
- Must be able to operate small equipment (weed whacker, chainsaw, backpack sprayer, hedger, pole saw, etc.)
- Knowledge of native plants and weed species
- Plan reading and takeoff experience
- Grading experience
- Planting experience
- Knowledge of Best Management Practices
- Mechanical skills
- Minor electrical experience
- Fence installation experience
- Irrigation systems experience – installation, layout, valves, controllers, troubleshooting/repairs, etc.
- Previous experience in a crew lead position

Job Features
HELIX’s Construction Group, is seeking a highly motivated Landscape Habitat Restoration Lead with critical thinking skills and a strong work ethic to join our team in Riverside, California. Th...
- Master’s degree in Anthropology, Archaeology, or a closely related field
- Demonstrated experience with performing archaeological studies on California Channel Islands
- Experience with Tribal coordination and consultation
- Knowledge of the archaeology and cultural history of coastal California
- Experience with GPS equipment
- Possess excellent written/verbal communication skills
- Possess a valid California Driver’s License and 3 years clean driving record
- Ability to pass a military background check
- Experience managing medium- to large-scale cultural resource management projects
- Supervisory experience managing teams on archaeology projects
- Experience applying Section 106 of the National Historic Preservation Act
- Field experience on military installations
- Familiarity with the Native American Graves and Repatriation Act

Job Features
HELIX is currently seeking as-needed archaeologists for our Cultural Resources Division. HELIX offers environmental, biological, cultural resources, acoustical, air quality, and GIS services to both t...
- Conduct air quality analysis (criteria air pollutant emissions, general air quality conformity, air toxics and health risk assessments, source dispersion modeling) using models such as CalEEMod and EMFAC.
- Conduct GHG emissions/climate change analysis (construction and operation emissions, source reductions, climate change policy/climate action plan consistency assessment) using CalEEMod.
- Quantify construction, stationary and mobile noise levels using computer models such as the Federal Highway Administration (FHWA) Traffic Noise Model (TNM), FHWA Roadway Construction Noise Model (RCNM), and DataKustik Computer Aided Noise Abatement (CadnaA) program. Conduct ambient noise measurements using ANSI Type II sound level meters.
- Assess compliance with applicable standards and CEQA significance thresholds.
- Research local ordinances, general plan policies, and federal guidance, as applicable, to identify applicable impact significance thresholds and compliance standards for analyses in different jurisdictions.
- Prepare technical studies and CEQA/NEPA document sections. While experience in both noise and air quality/GHG is desirable, if the selected candidate has only noise or only air quality/GHG analysis experience, HELIX will provide training in the other service area.
- Bachelor’s degree (or equivalent) in an environmental science, planning, engineering, or related field.
- Minimum 3 years of experience (outside of academic requirements) preparing air quality, GHG emissions, and/or noise/acoustic technical studies for projects in California, including studies in support of CEQA/NEPA documents.
- Knowledge of California and federal regulations and guidance pertaining to air quality, GHG, and noise issues, including the Clean Air Act, Assembly Bill 1279, Senate Bill 32, Title 24, and CEQA/NEPA.
- Excellent writing and verbal communication skills; a demonstration of these skills may be required during the interview.
- Proficiency with Microsoft Office software programs, including Word and Excel.
- 5+ years of experience preparing air quality, GHG emissions, and/or noise/acoustic technical studies for projects in California, including studies in support of CEQA/NEPA documents. Proficiency with CalEEMod, EMFAC, AERMOD, and HARP air quality models.
- Proficiency with ANSI Type I/Type II noise level meters surveys and noise models including the FHWA Traffic Noise Model (TNM), CREATE rail model, CadnaA, and the Roadway Construction Noise Model.
- Experience preparing environmental documents in compliance with CEQA and NEPA (Environmental Impact Reports or Statements, Environmental Assessments, Initial Studies, Mitigated Negative Declarations).
- Experience in proposal preparation and marketing of consulting services and established client relationships.
- Master's or Ph.D. degree in environmental science, planning, engineering, or related field.

Job Features
HELIX is seeking a motivated Environmental Specialist – Air Quality, Greenhouse Gas (GHG), and Noise Studies to support the high-quality consultant teams in our La Mesa, Pasadena, or Folsom offi...
- Bachelor’s degree or equivalent in an environmental science, biology or related field (degree in biochemistry or microbiology not acceptable).
- Three to five years of experience (outside of academic requirements) as a professional terrestrial biologist, including observation and handling experience focused on both adult and larvae California tiger salamanders.
- Knowledge of Central Valley flora and fauna, with an emphasis on vernal pools and California tiger salamanders.
- Experience with field data collection methods and equipment.
- Experience conducting biological compliance monitoring for construction/restoration and utilities projects.
- Must be able to hike long distances over varying terrain under varying weather conditions.
- Valid CA driver’s license with a clean driving record over the last 3 years.
- Permits from U.S. Fish and Wildlife Service and California Department of Fish and Wildlife to survey for listed species found in Northern California, specifically possess a 10a(1)A California tiger salamander permit.
- Designated Biologist status (agency approved) for construction projects.
- Experience with conducting jurisdictional delineations and/or environmental compliance monitoring.

Job Features
HELIX is currently seeking a motivated, experienced As-Needed Mid-Level Biologists for our Biological Resources Division for approximately one year of as-needed work in Madera County, with a high pro...
- Quantify construction, stationary and mobile noise levels and vibration levels using computer models and spreadsheets. Computer models include the Federal Highway Administration (FHWA) Traffic Noise Model (TNM), Federal Railroad Administration (FRA) and Federal Transit Administration (FTA) rail models, FHWA Roadway Construction Noise Model (RCNM), and DataKustik Computer Aided Noise Abatement (CadnaA) program.
- Conduct ambient noise measurements using ANSI Type II sound level meters and vibration meters.
- Assess compliance with applicable standards and CEQA significance thresholds.
- Research local noise ordinances, general plan policies, and federal guidance, as applicable, to identify applicable impact significance thresholds and compliance standards for analyses in different jurisdictions.
- Develop mitigation strategies and prepare compliance plans.
- Manage the preparation of technical studies and CEQA/NEPA document sections.
- Provide compliance services (construction noise monitoring and exterior-to-interior Title 24 analysis).
- Interact effectively with staff, clients, and agencies, providing creative solutions and communicating technical information in a clear and effective manner.
- Prepare technical study proposals and applicable proposal sections, contract amendments, and participate in marketing efforts and proposal interviews.
- Bachelor’s degree (or equivalent) in an acoustics, physics, engineering, environmental science or related field or equivalent combination of education and experience in noise analysis
- Minimum 6 years of experience (outside of academic requirements) preparing noise/acoustic technical studies for projects in California, including studies in support of CEQA/NEPA documents.
- Proficiency with ANSI Type II noise level meters and noise models including the FHWA Traffic Noise Model (TNM), CadnaA, the CREATE rail model, and the Roadway Construction Noise Model.
- Ability to conduct outdoor fieldwork.
- Knowledge of California and federal regulations, legal decisions, and guidance pertaining to noise issues.
- Experience in proposal preparation and marketing of consulting services and established client relationships.
- Excellent writing and verbal communication skills.
- Competency in Microsoft Office (Word and Excel).
- 10+ years of experience preparing noise/acoustic technical studies for projects in California, including studies in support of CEQA/NEPA documents.
- Familiarity with Noise Study Reports (NSR) and Noise Abatement Decision Reports (NADR) consistent with the requirements of 23CFR772 and the Caltrans Traffic Noise Analysis Protocol.
- Familiarity with the Federal Aviation Administration (FAA) Aviation Environmental Design Tool (AEDT) model.
- Approved noise consultant for services in San Diego County and/or other California jurisdictions.
- Institute of Noise Control Engineering (INCE) certification.
- Master’s or Ph.D. degree in environmental science, planning, engineering, or related field.

Job Features
HELIX is seeking a Senior Acoustics/Noise Specialist to support the high-quality consultant team in our La Mesa office, in San Diego County. HELIX offers environmental, biological, acoustical, air q...
- Non-native species removal
- Mowing/weed-whipping
- Herbicide application
- Plant installation
- Irrigation installation
- Travel for out of town projects as needed
- 1+ yrs. General Labor Experience or related experience
- 1+ yrs. Landscaping Experience or related experience
- Be safety-minded
- Must have strong communication skills
- Be able to stand for extended periods of time
- Work in a variety outdoor weather patterns
- Be able to lift up to 50 lbs.
- Walk in a variety of uneven surfaces and slopes
- Knowledge of native plants and weed species a PLUS
Job Features
HELIX’s Construction Group, is seeking a highly motivated Landscape Habitat Restoration Technician with a strong work ethic to join our team in Riverside, California. We pride ourselves on comm...
Why Join Our Team?
We are a growing, employee-owned firm, we’re passionate about what we do, and we have a casual and collaborative work environment. Our employees describe us as team-oriented, caring, flexible, and driven by our standards for integrity. We recognize that each employee has individualized needs for support in the work environment and we aim to make each person’s experience the best it can be. In addition to our competitive benefits package, we offer wellness incentives, a community volunteer program, and much more.
We are excited to meet you! Learn more about life at HELIX
Openings Coming Soon…
- Sr. Restoration Project Manager – California
- Staff Archaeologist – Northern California
- Architectural Historian – Southern California
Interested? Email hr@helixepi.com for more information.
A GREAT PLACE TO WORK!
HELIX Environmental Planning was named as one of the 2023 Best Firms to Work For by ZweigGroup. As one of the top firms across all of the U.S. and Canada for the environmental consultant category, HELIX was recognized for the ability to inspire teams to perform at their highest levels and create an environment where people feel valued, can make a difference, and can clearly see their contribution to the overall mission and success of the firm.