About Us:Consertus is an AI-native global capital program management and advisory firm that combines deep industry expertise with advanced digital capabilities to deliver smarter, faster, and more sustainable outcomes. Headquartered in Miami, Florida, and supported by a team of more than 1,500 professionals, we help clients plan, deliver, and optimize complex capital programs across the full project lifecycle.Our integrated capabilities span advisory, digital solutions, engineering and design, and program delivery, enabling organizations to navigate complexity, mitigate risk, and achieve strategic objectives. We serve a diverse range of industries, including aviation, transportation, transit, water, healthcare, energy, education, government, commercial real estate, life sciences, and technology.At Consertus, we believe our people are our greatest strength. We foster a collaborative, flexible, and inclusive environment where individuals can grow, develop their skills, and make a meaningful impact. Together, we’re transforming the way the world is planned, built, and delivered.Learn more about how Consertus is creating lasting value for clients, communities, and our people at www.consertus.com .About this Role:We are seeking an experienced Senior Cost Estimator to lead cost management for a power generation engagement. This role supports development and re-baselining of the project cost estimate at each design gate (0%, 60%, 90%, and IFC) against AACE 18R-97 Class-2 practice, supports verification of EAC calculations at each stage gate, and leads cost variance and overrun analysis. The role sets the methodology for monthly payment application review and, at close-out, leads review of final cost records, identification of cost recovery opportunities, and the final cost report. This is a full-time, on-site position in St. Louis, MO .Key Responsibilities:Lead cost management for the engagement across all project phasesSupport development and re-baselining of the project cost estimate at each design gate (0%, 60%, 90%, and IFC) in accordance with AACE 18R-97 Class-2 practiceSupport verification of Estimate at Completion (EAC) calculations at each stage gateLead cost variance and overrun analysisSet the methodology for monthly payment application reviewLead review of final cost records, identification of cost recovery opportunities, and preparation of the final cost report at close-outReview and assess estimates created by others at each design gateAssess the contractor’s Earned Value Management (EVM) methodologyReview invoices and support retirement unit cost calculationsUpdate owner’s estimates and prepare a Class-2 estimate at each design gateConduct monthly review of allowable cost tracking and contractual requirements during designQualifications/Requirements:Prior experience working on coal or natural gas power generation projects5–10 years of cost estimating experienceWorking knowledge of AACE estimating classifications and practices, including AACE 18R-97Experience with Earned Value Management (EVM) methodology and invoice reviewStrong analytical and cost variance analysis skillsExcellent organizational, communication, and problem-solving skillsAdditional Requirements / Skills / Working Hours / Compensation RangeFull-time, on-site position in Saint Louis, MOCompensation range: $115,000–$160,000Must be able to pass a background check and, where applicable, a drug screening in accordance with client and project requirementsWhat’s In It For You:Comprehensive core benefits (medical, dental, vision)Employer-paid life and disability coverageA wide range of voluntary benefits, including pet insurance, pre-paid legal, hospitalization, critical illness, and accident insurance401(k) with day-one eligibility, including a 100% company match on the first 3% of eligible compensation and a 50% match on contributions between 3% and 5%Generous time off, including 10 paid holidays, and a PTO plan that starts at 15 days annually, growing up to 25 days with tenureAccess to Consertus Academy for continuous learning and developmentEqual Employment Opportunity Statement:Consertus is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We welcome applicants from all backgrounds and identities, and we do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, disability, age, veteran status, or any other protected status.