Careers with Perennial
One of our most important business strategies is hiring and retaining highly motivated, intelligent employees that have a desire to go above and beyond client expectations. We offer professional growth through hands-on technical training and mentoring. Our clients represent a broad-range of industries and offer diverse projects to develop a well-rounded environmental professional.
We strongly believe in investing in staff development, professional and technical training, and mentoring by our senior consultants.
We are always looking for qualified biologists, ecologists, toxicologists, and archaeologists to complement our existing staff.
Current Job Openings (click job title to see full description)
Location: Poway, CA
Employment Type: Full - Time
Pay Range: up to $150,000 annually
About the Role
BFSA is seeking an experienced professional to establish and grow our Biological Resources Division. This position combines leadership, technical expertise, and client engagement to deliver exceptional biological consulting services.
Key Responsibilities
- Develop and expand BFSA's Biological Resources Division.
- Manage and lead biological resource projects, managing budgets, tasks, schedules, and serving as project manager or technical lead.
- Lead and conduct U.S. Army Corps of Engineers (USACE) wetland/stream delineations and Clean Water Act (CWA) Section 404 permitting.
- Author technical reports and proposals related to biological resources.
- Supervise internal staff and biological subcontractors.
- Coordinate priorities across multiple team members and projects.
- Serve as primary point of contact for clients, including private entities and government agencies.
- Conduct client management activities such as status meetings and milestone check-ins.
- Maintain required state and county licenses/certifications for biological consulting services, including Riverside County and San Diego County.
- Lead biological surveys and reporting efforts, including jurisdictional waters permitting.
- Identify and pursue new business opportunities.
- Ensure timely resolution of issues to meet client needs.
- Work independently and collaboratively across multiple projects.
Qualifications
- Strong background in biological resources and environmental consulting.
- Proven experience in project management and client relations.
- Excellent communication and organizational skills.
- Ability to manage multiple priorities and work independently.
Benefits
- Competitive compensation based on experience.
- Flexible work schedule (initial part-time with potential for growth).
- Professional development opportunities.
- Collaborative and supportive team environment.
- Opportunity to shape and lead a new division within the company.
Our Culture
At BFSA, we value integrity, innovation, and collaboration. We foster a culture where team members are empowered to take initiative, share ideas, and grow professionally. Our commitment to excellence and client satisfaction drives everything we do, while maintaining a positive and inclusive workplace.
Additional Information
Initial hours will focus on establishing the division, managing existing projects, overseeing subcontractors, and assisting with proposal preparation. Non-competitive biological consulting work outside BFSA is permitted with prior disclosure.
Type: Full Time
Pay Range: $70,000 - $100,000
About the Role
The Project Controls Specialist supports the planning, budgeting, scheduling, tracking, and reporting functions that ensure projects are delivered on time and within budget. This role collaborates with project managers, technical teams, finance, and leadership to prepare cost estimates, establish baselines, monitor performance, analyze variances, and provide accurate data for informed decision-making. Success in this position requires strong analytical skills, attention to detail, and the ability to thrive in a fast-paced, multi-project environment.
Key Responsibilities
Project Planning & Setup
- Develop proposals and establish project budgets, work breakdown structures (WBS), labor categories, and cost codes.
- Assist with project kickoff activities, including schedules, deliverable tracking, and contract alignment.
- Enter and maintain project data in ERP/PM systems (e.g., Deltek Vantagepoint).
Schedule & Progress Tracking
- Create and maintain project schedules, timelines, and milestones.
- Track task progress and completion percentage; update schedules accordingly.
- Identify schedule risks, delays, and impacts to the critical path.
Cost Control & Forecasting
- Monitor and track labor, expenses, subcontractor costs, and overall project burn rates.
- Produce cost reports, variance analyses, and projections of estimate-to-complete (ETC) and estimate-at-completion (EAC).
- Validate timesheets, invoice backup, and subcontractor billing against project budgets. Support change management processes and update budgets for scope changes.
Reporting & Analytics
- Deliver weekly, monthly, and ad-hoc dashboards (budget vs. actual, KPIs, schedule performance, risks).
- Prepare financial summaries for leadership, PMs, and clients.
- Analyze trends and flag potential overruns before they occur.
Compliance & Documentation
- Ensure project records and reporting comply with contractual and internal standards.
- Assist in internal audits, QA/QC checks, and documentation reviews.
- Maintain accurate change logs, risk registers, and deliverable trackers.
Cross-Functional Support
- Coordinate with accounting, AP/AR, procurement, and subcontractors. Support invoice preparation, review, and reconciliation.
- Participate in project meetings and provide data-driven guidance to PMs.
Qualifications
Required
- Bachelor's degree in business, finance, management, or related field (or equivalent experience).
- 2-5+ years of experience in project controls, project accounting, scheduling, or PM roles. Strong Excel and Financial Analysis Skills.
- Experience with project management systems (Deltek Vantagepoint, SAP, Oracle, Primavera, MS Project, etc.).
- Ability to interpret contracts, budgets, and financial data.
- Highly organized and detail-oriented with the ability to manage competing deadlines.
Preferred
- Experience in engineering, construction, environmental consulting, energy, or infrastructure.
- Proficiency in Deltek Vantagepoint.
- Strong communication skills and comfort working directly with PMs and clients.
Core Competencies
- Analytical thinking and problem solving
- Data accuracy and completeness
- Proactive issue identification
- Strong communication and documentation
- Time management and prioritization
- Collaboration with cross-functional teams
- Ability to manage sensitive financial/project data
Location: Houston, Texas
Role Overview:
As a Mid-Level Environmental Specialist, you will play a crucial role assisting with data analysis and preparation of technical reports, environmental permit applications, and National Environmental Policy Act (NEPA) documentation. You will also be responsible for coordinating directly with various federal, state, and local agencies. This position offers valuable practical experience in environmental permitting and compliance. Occasional travel (less than 10%) may be required based on project needs.
Key Qualifications:
- Bachelor’s or Master’s degree in Environmental Science, Biology, Botany, Wildlife Management or Biology, Forestry, Ecology, Soil Science, or a closely related field.
- Demonstrated written and verbal communication skills.
- Highly organized and detail oriented.
- Familiarity with Endangered Species Act, Clean Water Act and other federal environmental regulations.
- Experience coordinating with agencies responsible for issuing environmental permits and clearances (e.g., U.S. Army Corps of Engineers, U.S. Fish and Wildlife Service, Louisiana Department of Energy and Natural Resources, etc.)
- Minimum of 3-5 years of experience in federal/state regulatory compliance.
- Proficiency in Microsoft 365 (Word, Excel, and PowerPoint).
- Ability to work in a collaborative, team environment and meet deadlines.
- Ability to work on multiple projects simultaneously.
What we Offer:
Perennial provides a competitive compensation and benefits package, along with significant opportunities for personal and professional growth. To learn more about our firm and the services we offer, please visit our website at www.perennialenv.com.
How to Apply:
Interested candidates should submit a cover letter and resume in one document, labeled with the applicant’s name, to This email address is being protected from spambots. You need JavaScript enabled to view it., using the subject line “Full Time Mid-Level Environmental Specialist Applicant”.
Please note: This position requires eligibility to work in the United States. Perennial Environmental Services does not sponsor visa applications for this position.
Location: Houston, Texas
Perennial Environmental Services, LLC (Perennial), a rapidly growing environmental consulting firm, is seeking a motivated and team-oriented GIS Technician to join our Houston office full-time. We provide a wide range of environmental services to clients across the nation and are looking for someone who shares our core values of Community, Growth-Oriented, Integrity, Innovation, and Tenacity.
Role Overview:
The Geographic Information Systems (GIS) Technician is responsible for creating, maintaining and analyzing the GIS data to support the Perennial internal activities and distributing data externally as needed.
Essential Functions and Duties:
Data Management:
Creates and maintains GIS data.
Maintains metadata, data accuracy, and consistency across layers and services in the GIS environment.
Prepares GIS data to fulfill GIS data requests made by consultants and the public.
Application Support:
Provides troubleshooting and optimizes published services used in ArcGIS Portal web applications and maps.
Creates, maintains, and supports webmap applications.
Process Automation:
Automates processes using Python, ArcPy, Modelbuilder, and the ArcGIS REST API.
Data Analysis:
Analyzes GIS data.
Assist with departments projects, as needed.
Work hours may vary based on the business needs of the department.
Perform other duties that may be added or changed as the course and scope of the job directs.
Key Qualifications:
Two (2) years’ experience working with GIS products, GPS equipment, mapping.
Experience with Esri’s GIS software including ArcGIS Pro, Phyton, ArcToolbox and/or ArcMap. (One year of experience may be allowed for each year of education in GIS related course work)
Excellent knowledge of Microsoft Office applications.
Proficiency with Esri software, including ArcGIS Pro and ArcMap.
Excellent written and verbal communication skills.
Excellent organizational skills.
Good diagnostic and analytical skills.
Can work independently with limited supervision.
Ability to prioritize and manage multiple projects and/or assignments.
Work Location:
Houston Office / 13100 Northwest Freeway, Suite 150, Houston, TX 77040
Hybrid work schedule
How to Apply:
Interested candidates should submit a cover letter and resume in one document, labeled with the applicant’s name, to This email address is being protected from spambots. You need JavaScript enabled to view it., using the subject line “Full Time Entry-Level Environmental Specialist Applicant”.
Please note: This position requires eligibility to work in the United States. Perennial Environmental Services does not sponsor visa applications for this position.
Required Experience: 3 to 5 years +; Master’s Degree, Register of Professional Archeologists (RPA)
Location: Austin or Houston, TX (preferred), Remote
Perennial Environmental Services is actively seeking a highly motivated person to fill a Principal Investigator position. Perennial is a rapidly growing environmental consulting firm that provides ecological and cultural resource services to a variety of clients throughout the country, primarily to the energy industry.
The individual should meet the Secretary of the Interior standards for archeology, possess a Master’s Degree or higher, be a Registered Professional Archaeologist (RPA), demonstrate experience with state and federal permitting, and have been the lead author on technical cultural resources reports compliant with state reporting guidelines.
Job responsibilities will include managing field projects and staff, writing technical reports, agency coordination, conducting background research, and contribute to proposals and marketing efforts. The candidate must also possess excellent written and oral skills, be highly organized, self-motivated, detail oriented, and be able to work in a high-demand atmosphere. The preferred candidate will have experience working on Projects in Texas, Oklahoma, Louisiana and the surrounding states. The candidate must demonstrate strong technical writing skills, have experience supervising field crews, be well versed in the state, federal, and local antiquities laws and regulations, and have experience working on linear pipeline projects, or renewable energy projects.
Additional duties include:
- Oversee a team performing literature review, field reconnaissance, field surveys, and excavation for archaeological studies and projects.
Manage multiple projects within scope/budget/schedule expectations and ensure quality standards on project deliverables.- Serve as primary author on large technical reports, research designs, permit applications, other technical documents, and site forms.
- Oversee field research, data collection, inventory, analysis, and final report production, ensuring these tasks are conducted in accordance with the QA/QC plan.
- Represent Perennial through communications and at meetings with state, federal and local agencies.
- Assist with training and mentoring of staff in topics including NRHP eligibility, implementation of research designs, technical reporting, and site recording protocols.
- Maintain good working relationships with state and federal agency contacts and clients.
- Drive compliance of safety policies and reporting requirements to ensure overall team safety.
- Dedication to scientific integrity and quality work products for all clientele.
Perennial offers a highly competitive compensation and benefits package and significant potential for personal and professional growth. Qualified applicants should submit a resume to This email address is being protected from spambots. You need JavaScript enabled to view it..
Location: Houston, Texas
Perennial Environmental Services, LLC (Perennial), a rapidly growing environmental consulting firm, is seeking a motivated and team-oriented Entry-Level Environmental Specialist to join our Houston office full time. We provide a wide range of environmental services to clients across the nation and are looking for someone who shares our core values of Community, Growth-Oriented, Integrity, Innovation, and Tenacity.
Role Overview:
As an Entry-Level Environmental Specialist, you will play a crucial role assisting with data analysis and preparation of technical reports, environmental permit applications, and National Environmental Policy Act (NEPA) documentation. This position offers valuable practical experience in environmental permitting and compliance. Occasional travel (less than 10%) may be required based on project needs.
Key Qualifications:
- Bachelor’s or Master’s degree in Environmental Science, Botany, Wildlife or Range Management, Forestry, Geology, Soil Science, or a related field.
- Strong written and verbal communication skills.
- Highly organized and detail oriented.
- Familiarity with NEPA and federal environmental regulations.
- At least two years of experience in a professional environment (experience does not need to be in the environmental field).
- Proficiency in Microsoft 365 (Word, Excel, and PowerPoint).
- Ability to work in a collaborative, team environment and meet deadlines.
- Ability to work on multiple projects simultaneously.
- Relevant coursework including ecology, geology, biology, water resources/hydrology, and environmental law/policy.
How to Apply:
Interested candidates should submit a cover letter and resume in one document, labeled with the applicant’s name, to This email address is being protected from spambots. You need JavaScript enabled to view it., using the subject line “Full Time Entry-Level Environmental Specialist Applicant”.
Please note: This position requires eligibility to work in the United States. Perennial Environmental Services does not sponsor visa applications for this position
Location: Houston, Texas or Austin, Texas
- Bachelor’s or Master’s degree in Environmental Science, Botany, Wildlife or Range Management, Forestry, Geology, Soil Science, or a related field.
- Minimum of two years of experience with FERC resource report preparation and/or NEPA compliance.
- Experience interacting with clients and serving as an assistant project manager or project manager.
- Knowledge of relevant federal and state environmental permitting regulations.
- Strong written and verbal communication skills.
- Highly organized, detail-oriented, and self-motivated.
- Ability to work in a collaborative, team environment and meet deadlines.
- Ability to work on multiple projects simultaneously.
- Proficiency in Microsoft 365 (Word, Excel, and PowerPoint).
- Strong leadership, interpersonal, and conflict-resolution skills.
- Ability to effectively collaborate with field personnel, internal management, clients, and agency staff.
- Relevant coursework includes ecology, geology, biology, water resources/hydrology, and environmental law/policy.
Location: Houston, Texas
Perennial Environmental Services (Perennial) is actively seeking a highly motivated person for a mid-level biologist position in Houston, Texas. Perennial is a rapidly growing environmental consulting firm that provides ecological services to a variety of clients throughout the country.
This individual will participate in wetland delineations, threatened and endangered species surveys, NEPA documentation, and baseline environmental studies. They will assist in data analysis and in the preparation of the associated technical reports. The individual will gain valuable practical experience in the field of environmental permitting and compliance. The position will require travel, as needed on a Project basis.
The target candidate will possess a Master’s or Bachelor’s degree in Botany, Wildlife or Range Management, Forestry, Environmental Science, Soil Science, Geology, or a similar natural science-based degree. A minimum of one year of experience conducting wetland and waterbody delineations in accordance with the 1987 U.S. Army Corps of Engineers Wetland Delineation Manual is preferred. The candidate must also be highly organized, self-motivated, and detail-oriented.
Perennial offers a highly competitive compensation and benefits package and significant potential for personal and professional growth. If you would like more information about Perennial and the services we provide, please visit our website at www.perennialenv.com.
Interested candidates are invited to send an application letter with a resume contained in one document labeled with the applicant's name to This email address is being protected from spambots. You need JavaScript enabled to view it. quoting “Full Time Mid-Level Biologist/Ecologist Applicant” in the subject field.
This position requires that you are eligible to work in the United States. Perennial Environmental Services will not sponsor visa applications for this position.
Perennial Environmental Services is an equal-opportunity employer. Qualified applicants will be considered for employment without regard to age, race, color, religion, gender, marital status, sexual orientation, gender identity, national origin, veteran, or disability status.
Perennial Environmental is an environmental consulting firm that provides ecological and cultural resources to a variety of clients throughout the country. Our Cultural Resources division has openings for field leads and technicians to conduct Phase I survey in Texas, Louisiana, Oklahoma and surrounding states.
Schedule and Compensation
- Field Technicians with 1-2 years experience: $23 to $25/hr
- Field Lead with 2 to 4 years experience: $26 to $28/hr
- $59 Per-Diem or GSA per diem rate
- Overtime is over 40hrs weekly, paid at Time and Half
- Single occupancy hotel rooms
- Schedule On: Monday – Saturday
- Schedule Off: Sunday
- Experience and Skills
- Minimum of a bachelor’s degree in archaeology, anthropology, or related science
- Experience conducting Linear Phase I surveys for field technicians preferred
- Applicants must be proficient in recording sites, completing field paperwork, operations of GPS and GIS equipment and software
Qualified applicants can email a CV to the Cultural Field Coordinator at This email address is being protected from spambots. You need JavaScript enabled to view it.
Required Experience: 1-2 years +
Location: Austin, Texas
Perennial Environmental Services (Perennial) is actively seeking a highly motivated person to fill a Staff Archaeologist position in their Austin, Texas office. Perennial is a rapidly growing environmental consulting firm that provides ecological and cultural resource services to a variety of clients throughout the country, primarily to the oil and gas industry. Perennial is headquartered in Houston and maintains satellite offices in Austin, Texas.
The candidate must at least a B.A. degree in anthropology/archaeology, and experience conducting Phase I archaeological fieldwork for linear projects including excavation of shovel tests, operation of GPS equipment, artifact identification and archaeological site delineation. Field experience in Texas, Louisiana, Oklahoma, or Southeastern US is required. The candidate would also contribute to a variety of office tasks consisting of data processing, archival and literature reviews, GIS support, limited technical reporting, artifact analysis and laboratory work. Preference will be given to local candidates (central Texas).
Perennial offers a highly competitive compensation and benefits package and significant potential for personal and professional growth. Qualified applicants should submit a cover letter and resume to the Cultural Resources Director: This email address is being protected from spambots. You need JavaScript enabled to view it..
Required Experience: All levels
Location: Various energy infrastructure projects throughout the U.S.
Perennial Environmental Services is seeking resumes for qualified Environmental Inspectors (EIs) for various pipeline and other energy infrastructure projects throughout the U.S. EI positions will be staffed on a per project basis and will involve full-time work, likely exceeding 40 hours per week, for the duration of a given project.
Primary Responsibilities:
• Conduct on-site environmental inspections to ensure compliance with environmental regulations, permit conditions, project plans, and other environmental commitments
• Preparation of written inspection reports including photo documentation, construction status reports, compliance tracking logs, etc.
• Provide guidance regarding proper installation, maintenance, and removal of erosion and sediment control measures
• Conduct and assist with environmental training
• Correspondence with contractor, agency, and client personnel
• Coordinating any required sampling, transportation, and/or disposal of/for various media
Qualifications:
• Possesses knowledge of pipeline construction activities with experience working around heavy equipment
• Strong understanding of Industry Standards relating to erosion and sediment control practices, wetland crossings, stream crossings, agricultural lands, cultural resources, sensitive species and other environmental aspects of pipeline construction projects
• Ability to read and interpret construction plans, drawings and other technical documents
• Knowledge of environmental laws and regulations pertaining to pipeline construction projects
• Excellent written and verbal communication skills
• Ability to work long hours outdoors under various field conditions
• Computer proficiency
• Valid U.S. Driver’s License
• Have or obtain project specific or client required certifications or training
Preferred Qualifications
• BA/BS Degree in Environmental Science, Biological Resources, or related field
• 3+ years’ experience coordinating, supervising other EIs for pipeline construction projects
• API 1169 Certification
Perennial Environmental Services is an equal opportunity employer. Qualified applicants will be considered for employment without regard to age, race, color, religion, gender, marital status, sexual orientation, gender identity, national origin, and veteran or disability status.