Senior Infrastructure Engineer

Carollo Engineers; Arvada (CO); On-site; USD 105,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Paid time off and holidays

401(k) company contribution matching

Tuition reimbursement

Discretionary bonuses

Job summary

Carollo Engineers is seeking an experienced civil/environmental engineer to lead planning, design, and construction of water and wastewater projects in the Colorado area. The role emphasizes pipeline, pump stations, and trenchless designs, with oversight of fieldwork and cost estimates.

The candidate will collaborate with multidisciplinary teams, manage client relationships, and contribute to project success through strong communication and self-starting initiative.

Qualifications

• Bachelor’s degree in Civil or Environmental Engineering.
• 8–15 years of directly relevant experience in water and wastewater infrastructure.
• Professional Engineer (PE) registration.
• Strong verbal and written communication skills with clients and project teams.
• Ability to work well in a team environment.
• Highly motivated, articulate, and self-starting.

Responsibilities

• Serve as an engineer on the planning, design, construction and/or commissioning of water, wastewater, and stormwater infrastructure projects.
• Specialize in challenging projects outside of the treatment plant, including pipelines, pump stations, and trenchless systems.
• Perform conceptual and preliminary design activities including site visits, fieldwork oversight, and reports.
• Develop civil engineering plans and specifications.
• Prepare cost estimates for water and wastewater infrastructure projects.
• Prepare technical memoranda, reports, and electronic deliverables.
• Assist project manager with budgeting, scheduling, coordinating, and supervising the project team.

Skills

Project planning

Client coordination

Technical analysis

Education

Bachelor's Degree in Civil or Environmental Engineering

Master's degree (preferred)

Job description

Overview

Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges.

Overview

Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges. We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities. Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo. This posting is scheduled to expire on 1/22/2027 if the position has not been filled prior to that date.

Responsibilities

• Serve as an engineer on the planning, design, construction and/or commissioning of water, wastewater, and stormwater infrastructure projects.
• Specialize in challenging projects outside of the treatment plant, including: the planning and design of water/wastewater pipelines, pump stations, trenchless pipelines, wastewater lift stations and many other diverse projects.
• Work on engineering planning and design projects and perform conceptual and preliminary design activities including site visits, overseeing fieldwork, alternatives analysis, and report preparation.
• Develop civil engineering plans and specifications.
• Prepare cost estimates for various water and wastewater infrastructure projects.
• Prepare technical memoranda, reports, and electronic deliverables.
• Assist project manager with the planning, scheduling, coordinating, supervising, and reviewing of the work of the project team, including: environmental, civil, structural, mechanical, electrical, and instrumentation/controls engineers; drafters, technicians; technical experts; and subconsultants.
• Assist project manager with meeting budget, schedule, and quality goals.
• Review contractor submittals for conformance with contract plans and specifications and evaluate requests for information as part of engineering services during construction.
• Travel may be required depending on the project assignment but most projects are local.

Qualifications

• Bachelor’s Degree in Civil or Environmental Engineering.
• 8 to 15 years of directly relevant experience in water and wastewater infrastructure.
• Registration as a Professional Engineer.
• Application of engineering principles including critical thinking, analysis, and innovative techniques.
• Strong verbal and written communication skills with clients and project teams.
• Work well in a team environment.
• Highly motivated, articulate, and self-starting.

Preferred Qualifications

• Master’s degree in Civil or Environmental Engineering.
• Active in professional associations.

Compensation Range

$105,000 to $150,000 annually. This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee’s pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Other Compensation And Benefits

Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available. Eligibility for benefits varies based on employment status.