Senior Hydrogeologist, Phoenix or Tucson, AZ

Hargis + Associates, Inc. (H+A) is currently seeking a senior hydrogeologist with 10 to 15+ years of experience to join our Arizona Offices (positions in both Phoenix and Tucson available).  This position is for full time employment which includes salary, performance-based bonuses, and the opportunity for employee-ownership.  Responsibilities will include technical project work, client service management, and business development support.  This position requires an individual who thrives on challenges and responsibility, and will best suit a professional that is looking to grow their career in environmental investigation and remediation.  H+A offers candidates a flexible working environment, a dedicated team atmosphere, and a chance to be part of a high-quality, well respected environmental consulting and engineering firm.


  • Program, project, and technical management for: 1) sites currently undergoing environmental investigation and remediation, and 2) locations where groundwater is intended for potable water use (groundwater banking and extraction sites).
  • Prepare well and wellfield designs, including extraction, injection, monitor, and potable water wells.
  • Oversight and monitoring of drilling activities. Conduct lithologic logging and prepare logs.
  • Utilize various software packages to prepare groundwater modeling evaluations and submittals. Oversee and provide direction to subordinates on groundwater modeling efforts.
  • Provide primary interface, feedback and reporting with client contacts, regulatory agencies, and stakeholders.
  • Preparation of bid documents and construction/procurement specifications.
  • Contracting and oversight of vendors and contractors.
  • In conjunction with the H+A engineering team, oversee remediation system operation and maintenance (O&M) activities.
  • Oversee reporting of O&M compliance/permit monitoring data.
  • Oversee environmental sampling activities (groundwater, soil, and vapor).
  • Prepare project and program cost/schedule updates.
  • Be the primary author on technical reports, tech memos, letters, and other official correspondence.
  • Preparation of cost estimates and regulatory compliance submissions.
  • Through various regulatory agencies, prepare application forms and coordinate receipt of various drilling, construction, and operation permits.
  • Communicate and coordinate with 3rd party landowners. Obtain and comply with access agreements when necessary.
  • Supervise, mentor, and coordinate staff/junior hydrogeologists, interns, and environmental technicians.
  • Comply with all Health and Safety policies; conduct site safety checks/briefings.
  • Ability to work independently or with minimal direction in performing most tasks and assignments.
  • Participate and lead marketing, business development, and teaming efforts. Lead author on technical proposals.
  • Representing H+A, periodic attendance at marketing, business development, and networking events.
  • Participate in corporate meetings with key staff from all offices to develop a company-wide approach to operational needs and challenges.


  • Experience in the design, coordination, and implementation of environmental investigation and remediation programs.
  • S. degree in geology with an emphasis in hydrogeology. An advanced degree is preferred.
  • Experience with CA regulations for site investigation and remediation.
  • AZ registered geologist (RG) license mandatory.
  • Knowledge and experience with Resource Conservation and Recovery Act Corrective Action (RCRA) and Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) projects preferred.
  • Be detail oriented, highly motivated, and an organized team player with a strong focus on client service.
  • Excellent technical writing skills.
  • Excellent organizational and sound oral communication skills.
  • Valid driver’s license. Travel to temporary assignments and time in the field will be required.
  • US citizenship or legal residency is a requirement for this position.
  • OSHA 40-hour HAZWOPER, current refresher preferred; training can be provided if necessary.
  • General computer knowledge (Microsoft Office Suite Products, Email); AutoCAD/GIS and other environmental software experience is a plus.


  • Ability to drive, travel and/or perform fieldwork. Some out-of-town fieldwork may require overnight stays.
  • Ability to lift 50 pounds.
  • Must be able to perform the following while conducting field work: stooping/kneeling/crouching, standing for long periods of time, pulling/pushing and lifting equipment and supplies, walking on uneven terrain.
  • Ability to work in outdoor environments and hot/arid conditions.
  • Ability and willingness to work long hours and in proximity to loud noises and hazards (i.e., proximity to moving mechanical parts, drill rigs, pneumatic equipment, moving vehicles).
  • May be required to wear a respirator. Proper training and protective equipment will be provided.
  • Some weekend, holiday, and evening work may be required.
  • H+A is open to a part-time “work from home” schedule.

H+A is an employee-owned, environmental consulting and engineering firm founded in 1979 with a commitment to providing high-quality, cost-effective services for our clients.  We have offices in San Diego and Sacramento, CA and Phoenix and Tucson, AZ.  Our practice specializes in all aspects of environmental investigation, compliance, and remediation where we provide responsive, practical and innovative solutions for the treatment of soil, soil vapor, and groundwater contamination.  H+A also provides proactive and cost-effective hydrogeologic and engineering services for groundwater resources, stormwater management, and regulatory and litigation support.  Our staff includes approximately 40 hydrogeologists, geologists, engineers, industrial hygienist, technicians, and project support personnel.  We invite you to learn more about our company at

Those who seek to apply may submit a cover letter and resume via email to

All qualified applicants will receive consideration for employment without regard to race, color, national origin, ancestry, sex, gender, gender identity, gender expression, age, sexual orientation, religious creed, physical or mental disability, medical condition, genetic information, marital status, veteran status, or any other classification protected by applicable federal, state, or local law.