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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)

Environmental Project Manager

Location: Houston, Texas or Austin, Texas

Perennial Environmental Services, LLC (Perennial), a rapidly growing environmental consulting firm, is seeking a motivated and team-oriented FERC/NEPA Junior Project Manager to join our Houston or Austin 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:
 
In this role, you will manage a variety of energy infrastructure projects, with a focus on those regulated by the Federal Energy Regulatory Commission (FERC). You will oversee the preparation of critical documentation for National Environmental Policy Act (NEPA) compliance, including environmental permit applications, resource reports for small FERC 7(c) and prior notice projects, Environmental Assessments, and Environmental Impact Statements. Additionally, you will coordinate with clients to manage environmental schedules, budgets, data needs, and project scopes. This position also involves overseeing the preparation of federal, state, and local permit applications, including those for U.S. Army Corps of Engineers (Section 404) and threatened and endangered species (Section 7) approvals. Occasional travel may be required based on project demands.
 
Key Qualifications:
  • 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.
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 FERC/NEPA Junior Project Manager Applicant”.
 
Please note: This position requires eligibility to work in the United States. Perennial Environmental Services does not sponsor visa applications for this position.
 
Equal Opportunity Employer:
 
Perennial Environmental Services is an equal-opportunity employer. We welcome qualified applicants who 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.
Mid-Level Biologist/Ecologist

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.

Seasonal Cultural Archeologist

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 central through west Texas starting in July, and continuous work is expected into the end of Summer.

Schedule and Compensation

  • The pay range is $20-$23hr for technicians and $23-$25hr for field leads based on experience
  • $50 Per-Diem daily
  • 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
  • 3+ years of experience for field leads with Texas experience 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..
Staff Archaeologist

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..

Environmental Inspector (Pipeline)

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.