{"id":3530571,"url":"https://alion.io/job/dlb-associates-co-simulation-engineer-iii","title":"Co-Simulation Engineer III","company":{"id":672910,"name":"DLB Associates","domain":"dlbassociates.com","url":"https://alion.io/company/dlbassociates","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"A","score":95,"open_postings":4,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":70,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":79000,"max_usd":148000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":316},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":false},{"name":"AutoCAD","optional":false},{"name":"Digital Twin","optional":false},{"name":"STAR-CCM+","optional":false},{"name":"C++","optional":true},{"name":"MATLAB","optional":true},{"name":"Microsoft Office","optional":true},{"name":"Outlook","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-30T14:27:19Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-03T00:24:44Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"DLB Associates is a premier engineering and consulting firm specializing in innovative, mission-critical solutions across hyperscale data centers, advanced infrastructure, and high-performance building systems. With over four decades of expertise, we partner with some of the world’s most influential companies to design and optimize environments that demand precision, scalability, and resilience.\nJoin us and be part of a team where your voice matters, your work makes an impact, and your growth is a shared priority.\nPosition Title: Co-Simulation Engineer III\nPosition Location: Remote - workvirtually frommost locations in the United States\nJob Summary\nThe Co-Simulation Engineer III will have the opportunity to work with and collaborate with senior design staff to develop multi-domain co-simulation and digital twin capabilities for data center design and construction.The role also includes computational fluid dynamics (CFD) modelingof the data center and its associated internal and external environments. This person will work as part of the Engineering Team and interact closely with the Project Management Team to producehydraulic network models,CFD models,digital twinapplications,and QC design specifications through engineering modeling.\nThe Co-Simulation Engineer III will receive limiteddirectionon day-to-day work and general instruction on new projects or assignments. Will execute andassistproject leadership on projects of complex scope. Will work independently or under limited supervision.\nThe Co-Simulation Engineer III will communicate and operate in line with organizational goals and values, as well as departmental objectives.\nEssential Functions\nCo-Simulation Planning and Requirements Definition (10%)\nCoordinate closely with design teams to define co-simulationobjectives, key performance metrics, and acceptance criteria, ensuring a comprehensive understanding of project requirements.\nParticipate in discussions to define modeling prerequisites, collect necessary design and operational data, andestablishappropriate assumptionsand initial conditions for simulations.\nIdentifycoupling strategies and model boundaries (1D network, 3D CFD, controls),anticipatechallenges, and recommend modifications to design parameters or modeling approach to improve efficiency and fidelity.\nDevelop and Integrate Multi-Domain Co-Simulation Models (60%)\nIndependently develop thermo-hydraulic (flow-network) models for chilled water and liquid cooling systems (pumps, valves, heat exchangers, CDUs, manifolds, cold plates).\nBuild andmaintainsystem-level models for steady-state and transient response, including redundancy/failure-mode scenarios and control logic impacts.\nDevelop co-simulation interfaces between 1D networks and 3D CFD/thermal models and manage data exchange, time steps, and convergence.\nPerform pressure drop, flow balancing, and heat rejection analyses tovalidatedesign intent and support equipment selection and sizing.\nUtilize hydraulic modeling tools such asFlownex(highly desired),SiemensFlomaster,AspenHYSYSor equivalent, andmaintainworking knowledge of CFD tools(at least one)such as Cadence Reality DC Design, ANSYS Fluentand STAR-CCM+.\nCreate and curate simulation-ready system schematics,componentlibraries, and metadata to support reusable model assets and digital twin workflows.\nDevelop and/or review model setup including boundary conditions, solver settings, co-simulation time steps, and quality checksappropriate forthe intended use case.\nReview and/or prepare detailed co-simulationreportsdocumenting assumptions,methodology, results, and actionable design recommendations.\nAssistin developing proposals including modeling scope, schedule, and budget.\nConduct technical discussions with clients and internal stakeholders, presenting modeling findings, interpreting results, and providing engineering recommendations.\nTimely and effective management of modeling tasks, including resource forecasting, coordination, and version control of model assets and scripts.\nPerform QAQC peer reviews for co-simulation models where he or she is not the lead analyst.\nGuide and Direct Validation, Calibration, and Commissioning Support (20%)\nConduct rigorous validation and calibration of system/co-simulation results using analytical techniques and real-world data to ensure models areaccurateand fit for purpose.\nCollaborate with design, commissioning, and operations teams to collect and reconcile site data (BMS/SCADA, flow/temperature/pressure measurements) for model calibration.\nPrepare validation and calibration reports comparing model predictions with measured data, documenting uncertainty, limitations, and performance envelopes.\nWork with the CFD team and interact closely with the project management team to ensure alignment between system models, CFD models, and design intent.\nReview and respond to technical queries related to modeling assumptions, co-simulation results, and design implications.\nReview and complete validation checklists and documentation; contribute to modeling standards and continuous improvement initiatives.\nReview and approve model updates based onvalidationfindings and project changes.\nReporting (10%)\nPrepare project progress reports, issue logs, and model status updates for internal and external stakeholders.\nUpdate andmaintainmodel libraries, coupling scripts, and project documentation (assumptionslog, revision history,RFIresponses as applicable).\nManage personal hours using company tools.\nTECHNOLOGY, DIGITAL TOOLS & AI-ENABLED EFFICIENCY\nLeverage AI-enabled and digital tools to enhance efficiency, reduce manual effort, and support consistent, high-quality work output.\nIdentifyopportunities to improve processes anddemonstratea continuous learning mindset, seeking outnew technologies, skills, and methods that elevate individual and team performance.\nAdapt toemergingtechnologies and evolving digital workflows, actively supporting the integration and adoption of innovative tools across the organization.\nCompletion of Assigned Tasks and Deliverables on Time and on Budget\nPerforms Other Related Duties as Assigned \nPosition Requirements (Intermediate level for all the following)\nStrong understanding of thermodynamics, heat transfer, and hydraulics (pump/valve/pipe networks and control impacts).\nStrong knowledge of chilled water systems, including flow control, balancing, and operating envelopes.\nExperience with hydraulic / flow-network tools (Flownex,SiemensFlomaster, AspenHYSYS, or equivalent).\nWorking knowledge of CFD tools for data center and equipment analysis (Cadence Reality DC Design, ANSYS Fluent,Siemens STAR-CCM+or equivalent).\nAbility to interpretP&IDsand MEP design documents; familiarity with AutoCAD/Revit is a plus.\nFamiliarity with hyperscale data centers and liquid-cooled applications is a plus.\nProgramming skills (Python, C/C++, MATLAB, or similar) for automation and data analysis are a plus.\nSkilled at using MS Office Suite (Excel, Word, Outlook, PowerPoint, Teams), along with exceptional organizational skills for file management.\nSkilled in completing assignments accurately and with attention to detail.\nAbility to work successfully in a remote environment through effective communication and organizational skills, self-motivation, proactiveness, and resourcefulness in a distraction-free workspace.\nAbility to interpret results and communicate well in writing and verbally to both technical and non-technical audiences.\nAbility to follow company and site safety requirements.\nAbility to analyze and prepare documents, reports, and correspondence.\nAbility to communicate effectively directly with clients and at times serve asprimarypoint of client contact.\nAbility to work successfully as a member of a team and independently with moderate supervision.\nOrganizational skills, with the ability to manage multiple tasks simultaneously across concurrent modeling efforts.\nPhysical Demands\nThe following physical demands must be met by the employee to successfully perform the essential functions of this job. Reasonableaccommodationsmay be made to enable individuals with disabilities to perform the essential functions.\nWhile performing the duties of this job, the employee is\nFrequently required to remain in a stationary position\nFrequently moving throughoffice,facilityand other environments\nOn occasion the employee may move equipment weighing up to 25 pounds \nTravel / Relocation Requirements\nApproximately 10%,this may include travel to any or all 50 US states. \nTravel is defined as physically leaving home on behalf of business activities including but not limited to client sites, meetings with other employees, meetingsfor business development purposes, running errands on behalf of the business, attending industry conferences, etc.\nEducation / Experience\nBachelor’s degree in Mechanical engineering(or similar relevant engineering field) and five (5) years ofexperiencein a consultancy setting.\nOR\nMaster's or PhD degree in Mechanical Engineering (or similar relevant engineering field) and two (2)years of experiencein a consultancy setting.\nBenefits\nDLB Associates offers a very competitive benefits package; highlights include\nChoice of comprehensive medical plans (including two PPO-style plans and a HDHP w/ HSA option)\nFlex spending accounts (FSA)\nDental and vision plans\nComprehensive medical, dental and vision benefits extended to spouse / domestic partner and dependent children up to age 26\n401k with company match and self-directed brokerage account option\nPTO including additional paid time off during the last week of the year\nCompany paid life insurance coverage for employees and their eligible dependents\nShort and long-term disability, AD&D coverage\nProfessional development opportunities, tuition reimbursement and professional licensing assistance\nPaid parental leave after one year of employment\nCO, CA, IL, NY, WA, and Washington DC residents only: In accordance with CO, CA, IL, NY, WA, and Washington DC law, the range provided is DLB's reasonable estimate of the base compensation for this role. The actual amount may differ based on non-discriminatory factors such as experience, knowledge, skills, abilities, and location.\nDLB Associates is an EEO/Affirmative Action Employer and participates in the E-Verify program with the Department of Homeland Security. We encourage diversity in our workforce.\nAre you ready to challenge yourself and redefine standards in the AEC industry? Apply now and join our award-winning team!\nNOTICE TO THIRD PARTY AGENCIES:\nDLB does not accept unsolicited resumes from recruiters, employment agencies, or other staffing services. Unsolicited resumes include any resume or hiring document sent to DLB in the absence of a signed Service Agreement where DLB has expressly requested recruitment/staffing services specific to the position at hand. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of DLB and DLB will have the right to hire that candidate without reservation - no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.","description_format":"text","description_chars":11165,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Continuous learning","Insurance coverage","Life insurance","Parental leave","Professional development"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Data Centers & Colocation","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-30T15:54:04Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":70,"reasons":["conf:3","win:early"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/dlb-associates-co-simulation-engineer-iii","json_url":"https://alion.io/job/dlb-associates-co-simulation-engineer-iii.json","meta":{"generated_at":"2026-11-03T00:58:46Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":990,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-04T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":672910},"rest":"https://alion.io/mcp/rest/get_company?id=672910"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdlb-associates-co-simulation-engineer-iii"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fdlb-associates-co-simulation-engineer-iii"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fdlb-associates-co-simulation-engineer-iii"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/dlb-associates-co-simulation-engineer-iii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdlb-associates-co-simulation-engineer-iii"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3530571}},{"tool":"search_jobs","arguments":{"company":"dlbassociates.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3530571},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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