Principal Reservoir Simulation Engineer

Tallgrass; Houston (TX); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health insurance

401(k) with match

Annual discretionary bonus

Paid time off

Job summary

Tallgrass is seeking a Reservoir Simulation Engineer to provide expertise for carbon sequestration projects during feasibility and development phases. You will work within a multidisciplinary subsurface team to build and refine dynamic reservoir models for CCS and gas storage.

Collaborate with geoscientists, facilities engineers, and other specialists to integrate data, forecast performance, support development planning, and optimize asset development strategies, including history matching and

Qualifications

• Bachelor’s degree in Engineering required; Master’s or PhD preferred.
• 7+ years reservoir simulation experience in CCS or related fields.
• Experience with CCS operations, regulatory compliance, and project management.

Responsibilities

• Conduct dynamic reservoir simulation studies for CCS projects and gas storage; build and refine models to optimize injection/operation conditions.
• Collaborate with multidisciplinary teams to forecast reservoir performance and support development planning.
• Apply reservoir engineering skills in characterization, opportunity assessment, and production optimization.
• Interact with geoscientists, facilities engineers, petrophysicists, drilling, and production engineers to incorporate data into models.
• Identify key uncertainties and recommend risk mitigation strategies.
• Generate reports and visualizations to communicate field performance to management and peers.

Skills

Reservoir simulation

CCS projects

Team leadership

Data integration

Model history matching

Regulatory compliance

Education

Bachelor’s degree in Engineering

Master’s or PhD preferred

Tools

INTERSECT

Eclipse CCS

Petrel RE

Pipesim

Nodal analysis

Pressure transient testing

Job description

JOB DESCRIPTION

This position provides reservoir simulation engineering expertise for carbon sequestration projects during both feasibility and development phases. It operates within a multidisciplinary subsurface sequestration development team.

Responsibilities

Essential duties and responsibilities

• Conduct dynamic reservoir simulation studies for CCS projects and gas storage, including building and refining models to describe physical processes and optimize injection/operation conditions for permit applications.
• Collaborate with multidisciplinary teams to integrate well and reservoir data, forecast reservoir performance, support operational and subsurface development planning, and optimize asset development strategies.
• Apply fundamental reservoir engineering and simulation skills in reservoir characterization, opportunity assessment, and injection/production optimization.
• Interact with geoscientists, facilities engineers, petrophysicists, drilling, and production engineers to incorporate data into reservoir models.
• Identify key uncertainties and recommend risk mitigation strategies.
• Enhance reservoir descriptions through fluid analysis, core evaluation, well testing interpretation, and performance analysis, integrating findings into simulation models.
• Generate reports and visualizations to communicate field performance to management and peers.
• Demonstrate strong leadership, communication, and interpersonal skills, effectively managing multidisciplinary teams.
• Collaborate professionally with colleagues, maintaining tact, courtesy, and clarity in communication.
• Maintain dependable attendance and high-performance levels, working non-traditional hours as needed.
• Prioritize safety for personnel, assets, and the public.
• Perform other duties as assigned, including routine and special projects.

Education

Minimum requirements

• Bachelor’s degree from an accredited institution in Engineering is required. (Master’s / PHD is preferred).

Qualifications

Preferred Qualifications/ Experience

• Experience with INTERSECT is a must. Past experience with Eclipse in CCS applications is a plus.
• Experience with Petrel RE workflows, Pipesim/nodal analysis, pressure transient testing is required.
• Experience in CO₂ EOR, core analysis, petrophysics, and programming languages (preferred but not mandatory).

Competencies, Skills & Abilities

• Minimum of 7 years’ reservoir simulation experience; candidates with less experience may be considered if they demonstrate exceptional skills or relevant expertise.
• Proven experience in reservoir simulation for CCS projects, including model construction, updating, and history matching.
• Working knowledge of CCS operations, project management, and regulatory compliance.
• Proficiency in basic engineering principles.
• Self‑motivated, organized, and capable of managing multiple tasks under strict deadlines.
• Autonomous problem‑solving skills, with the ability to seek guidance when necessary.
• Ability to work effectively in a team, follow directions, adhere to schedules, and pay attention to detail.
• Position level will be commensurate with experience and skills.

Certifications, Licenses & Registrations

• Valid driver’s license with a satisfactory driving record for travel purposes

Physical Demands

• Ability to sit, stand, walk, drive, and perform tasks requiring fine motor skills.
• Capable of lifting up to 25 lbs. occasionally.
• Visual and auditory acuity necessary for detailed work and communication.
• Work primarily in an office environment, with some travel to field sites.

Working Conditions

• Must pass a drug screen and background check prior to employment.
• Primarily office-based, with occasional fieldwork and travel.
• Flexibility to work after hours, nights, weekends, or holidays as needed.

Supervisory Responsibility

• None

Other Responsibilities

This description reflects the general nature of the position. Additional duties may be assigned as needed.

Equal Opportunity Statement

Tallgrass is an equal-opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, national origin, age, citizenship, marital status, medical condition, disability, or any other protected status.

About Us

Tallgrass was named one of the Top Workplaces USA and highlighted in Colorado's Top Workplaces for the past seven consecutive years. Tallgrass is a leading energy infrastructure company focused on safely, reliably, and sustainably delivering the energy and services that power our nation and enable our quality of life.

At Tallgrass, we value our teams and strive to create an environment where employees feel respected, and their contributions are valued. We aim to support employees' physical, mental, and financial well-being through a comprehensive Total Rewards Program.

• Industry competitive pay
• Health insurance package options that include Flexible Spending & Health Savings Accounts
• Infertility Coverage
• Parental Leave
• 401(k) with up to a 6% match that vests immediately plus an employer discretionary contribution of up to 4%
• Wellness Programs and Mental Health Resources
• Employer-paid life insurance, short-term disability, and long-term disability coverage
• Critical Illness & Accident Insurance
• Vacation, sick days, paid caregiver leave, volunteer and bereavement paid time off
• Identity theft protection
• Annual discretionary bonus
• Generous Tuition Reimbursement Program
• Company-paid holidays and floating holidays
• Company vehicle (if applicable)
• Employee discounts; vehicles, tires, cellular plans, and more
• Networking and employee engagement events
• Personal development to grow your career with us based on your strengths and interests

Application Deadline

Recruiting timelines vary by position; however, all Tallgrass positions accept applications for at least five business days from the posting date. This position is open and still accepting applications.

Compensation

Compensation ranges are provided in good faith based on what we anticipate when researching wages for this position at the state and national levels. We may ultimately pay more or less than the posted range. This salary range may also be modified in the future.

Notice to External Search Firms

Tallgrass does not accept unsolicited resumes from search firms or employment agencies. Unsolicited referrals and resumes are considered Tallgrass property; therefore, Tallgrass will not pay a fee for any placement resulting from the receipt of an unsolicited referral. Approved vendors may be invited to refer talent for specific positions at Tallgrass's request only. A fully executed agreement with Tallgrass must be in place and current in these cases.

EEO Statement

Tallgrass complies with all Equal Employment Opportunity (EEO) affirmative action laws and regulations. Tallgrass does not discriminate on the basis of age, race, religion, color, sex, national origin, marital status, genetic information, sexual orientation, gender Identity and expression, disability, veteran status, pregnancy status, or other status protected by law.