Co-Simulation Engineer III

DLB Associates

Co-Simulation Engineer III developing multi-domain co-simulation and digital twin capabilities at DLB Associates. Collaborating with senior design staff for data center design and construction.

Posted 6/26/2026full-timeRemote • California, Colorado, District of Columbia, Illinois, New York, Washington • 🇺🇸 United StatesMid-LevelSenior💰 $104,738 - $130,502 per yearWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Work with and collaborate with senior design staff to develop multi-domain co-simulation and digital twin capabilities for data center design and construction.
Execute and assist project leadership on projects of complex scope.
Work independently or under limited supervision.
Coordinate closely with design teams to define co-simulation objectives, key performance metrics, and acceptance criteria.
Develop and integrate thermo-hydraulic (flow-network) models for chilled water and liquid cooling systems.
Build and maintain system-level models for steady-state and transient response, including redundancy/failure-mode scenarios and control logic impacts.
Perform pressure drop, flow balancing, and heat rejection analyses to validate design intent.
Assist in developing proposals including modeling scope, schedule, and budget.
Conduct rigorous validation and calibration of system/co-simulation results using analytical techniques and real-world data.
Prepare project progress reports, issue logs, and model status updates for internal and external stakeholders.

Requirements

What you’ll need

Bachelor’s degree in Mechanical engineering (or similar relevant engineering field) and five (5) years of experience in a consultancy setting.
OR Master's or PhD degree in Mechanical Engineering (or similar relevant engineering field) and two (2) years of experience in a consultancy setting.
Strong understanding of thermodynamics, heat transfer, and hydraulics
Strong knowledge of chilled water systems, including flow control, balancing, and operating envelopes.
Experience with hydraulic / flow-network tools (Flownex, Siemens Flomaster, Aspen HYSYS, or equivalent).
Working knowledge of CFD tools for data center and equipment analysis (Cadence Reality DC Design, ANSYS Fluent, Siemens STAR-CCM+ or equivalent).
Ability to interpret P&IDs and MEP design documents; familiarity with AutoCAD/Revit is a plus.
Familiarity with hyperscale data centers and liquid-cooled applications is a plus.
Programming skills (Python, C/C++, MATLAB, or similar) for automation and data analysis are a plus.
Skilled at using MS Office Suite (Excel, Word, Outlook, PowerPoint, Teams), along with exceptional organizational skills for file management.
Ability to work successfully in a remote environment through effective communication and organizational skills, self-motivation, proactiveness, and resourcefulness in a distraction-free workspace.
Ability to communicate effectively directly with clients and at times serve as primary point of client contact.

Benefits

Comp & perks

Choice of comprehensive medical plans (including two PPO-style plans and a HDHP w/ HSA option)
Flex spending accounts (FSA)
Dental and vision plans
Comprehensive medical, dental and vision benefits extended to spouse / domestic partner and dependent children up to age 26
401k with company match and self-directed brokerage account option
PTO including additional paid time off during the last week of the year
Company paid life insurance coverage for employees and their eligible dependents
Short and long-term disability, AD&D coverage
Professional development opportunities, tuition reimbursement and professional licensing assistance
Paid parental leave after one year of employment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

thermodynamicsheat transferhydraulicschilled water systemsflow controlpressure drop analysisflow balancingheat rejection analysisprogramming (Python, C/C++, MATLAB)CFD tools

Soft Skills

organizational skillscommunication skillsself-motivationproactivenessresourcefulness