Chemicals & Materials STEM OPT Jobs in Texas

INTRODUCTION

Mantis Innovation provides managed facility services and turnkey program management with technology-enabled solutions that target the entire building footprint. We look at the entire facility—inside and out—and can impact 70% of what a building operator allocates critical budget dollars toward, including: Strategic electricity and natural gas procurement, renewable energy, and demand response; climate impact reduction and reporting, net zero strategies, and sustainability planning; roofing, solar, HVAC assessment management, pavement, building envelope, data center optimization, and EV charging; lighting/LED retrofits, HVAC/mechanical systems, and BMS/BAS improvements and implementation.

The Project Engineer helps plan and deliver energy efficiency, utility, and infrastructure improvement projects for clients. This role gathers technical information, evaluates opportunities, and helps develop project scopes, budgets, and implementation plans. The position supports engineering design, construction activities, and project coordination under the direction of a Professional Engineer. By providing technical and project support, this role helps ensure projects are completed safely, efficiently, and successfully.

OUTCOMES & SCORECARD FOR SUCCESS

• Complete 95% or more of assigned site surveys, data collection activities, engineering analyses, and technical deliverables by agreed deadlines, with less than 5% requiring significant rework due to errors or omissions.

• Maintain assigned project schedules, budgets, procurement logs, action-item trackers, and project documentation with 98% accuracy, and provide status updates within one business day of requested reporting deadlines.

• Demonstrate a positive attitude, collaborative spirit, and reliable availability by maintaining strong working relationships with clients, subcontractors, and internal teams, responding promptly to communications, and consistently following through on commitments.

Responsibilities

• Conduct site surveys and collect technical, utility, operational, and cost data to support project development and engineering analysis.

• Perform engineering evaluations of energy, water, utility, and infrastructure systems to identify improvement opportunities.

• Prepare feasibility studies, technical assessments, and supporting documentation for sustainability, utility modernization, and energy efficiency projects.

• Develop project scopes, savings calculations, cost estimates, and technical inputs for proposals and implementation plans.

• Prepare engineering deliverables and design documentation under the direction of a licensed Professional Engineer.

• Manage assigned project schedules, budgets, procurement activities, equipment tracking, and construction-related tasks.

• Monitor project progress, costs, subcontractor performance, and implementation milestones, and communicate status, risks, and issues to project leaders.

• Coordinate clients, internal teams, subcontractors, and external partners to execute projects, maintain schedules, and achieve project objectives.

QUALIFICATIONS

Minimum Qualifications

• Bachelor’s degree in engineering or a related technical field

• 1-5 years of experience supporting engineering, construction, energy, utility, infrastructure, or related technical projects

• Ability to support engineering analysis, project documentation, scheduling, cost tracking, and coordination activities

Preferred Qualifications

• Bachelor’s degree in Mechanical Engineering, Chemical Engineering, Electrical Engineering, or a related engineering discipline

• EIT certification or progress toward Professional Engineering (PE) licensure

WORKING CONDITIONS/PHYSICAL REQUIREMENTS

• Work environment: This position is based in the office and includes a combination of office, remote, and field-based work. Field assignments may occur at industrial facilities, commercial buildings, utility plants, central energy plants, mechanical rooms, construction sites, manufacturing environments, rooftops, and other operational facilities. Work environments may involve exposure to varying weather conditions, temperature extremes, elevated noise levels, dust, vibration, moving machinery, energized equipment, and active construction or production activities.

• Physical Requirements: The role requires prolonged periods of sitting and working at a computer, including frequent use of a keyboard, mouse, and telephone. Field work requires the ability to travel to client locations and move through facilities to conduct surveys, inspections, assessments, and project meetings. Employees may be required to stand, walk, climb stairs and ladders, traverse uneven surfaces, bend, stoop, kneel, crouch, reach, and enter mechanical or equipment areas. The position may occasionally require lifting, carrying, pushing, or pulling materials and equipment weighing up to 25 pounds. Visual acuity sufficient to review technical documents, drawings, and equipment conditions is required. When visiting client sites, employees may be required to wear PPE appropriate to site conditions, including hard hats, safety glasses, hearing protection, high-visibility clothing, gloves, steel-toe or safety footwear, and other protective equipment as required by site safety policies.

• Travel requirements: Regular local and regional travel to client sites is expected. Occasional overnight travel may be required depending on project location and business needs.

• Schedule expectations: Work is generally performed during standard business hours. However, flexibility may be required to accommodate client schedules, site access restrictions, construction activities, commissioning efforts, project deadlines, and occasional early morning, evening, or extended work hours.

Note: Employees are held accountable for all duties of this job. This job description is not intended to be an exhaustive list of all duties, responsibilities, or qualifications associated with the position.

What else can we offer you?

We offer a fantastic lineup of benefits, including Medical, Dental, Vision, FSA, HSA, 401k Matching, Paid Vacation, Paid Sick, Paid Holidays, Paid Parental Leave, Paid Short Term & Long Term Disability, Tuition Reimbursement, and a flexible hybrid work schedule (for office-based employees). Working at Mantis also brings tremendous professional development opportunities that allow you to make a real impact on both the company and your career!

Not sure you meet every single requirement?

Studies show that women and individuals from underrepresented groups often hesitate to apply unless they check every box. At Mantis, we’re committed to building an inclusive and equitable team—so if this role excites you, we’d love to hear from you, even if your experience doesn’t match every single qualification.

Mantis Innovation is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.