Senior Mechanical Cost Manager

Job Description Overview We are seeking a Senior Mechanical Cost Manager to join our team in Atlanta, GA. The Senior Cost Manager (Mechanical) will support Big scale and complex industrial manufacturing projects by managing project costs, monitoring commercial risks, and helping ensure that projects are delivered within approved budgets while meeting quality, schedule, and client expectations. This role will establish, develop, and implement project cost management procedures tailored to client requirements, U.S. construction practices, and Atkinsréalis standards. The position requires close coordination with client representatives, AtkinsRéalis leadership, design and construction teams, and contractors to maintain clear cost visibility and timely decision-making. Your role Lead overall cost management, reporting, and communication for program/project budgets, cost trends, forecasts, commitments, changes, and commercial issues. Perform preliminary reviews of cost and schedule risk factors and provide practical recommendations for mitigation, recovery, or escalation. Establish cost control, change management, invoice review, contract administration, and reporting workflows for all relevant project stakeholders. Monitor design and construction budget status, commitments, change orders, contingency usage, and forecast-at-completion impacts across the project. Support the client, Lead Project Manager, and/or Project Director during tendering, bid evaluation, negotiation, contractor selection, and consultant procurement processes. Review contractor Mechanical cost proposals, pay applications, change order requests, and related backup documentation for completeness, reasonableness, and contractual alignment. Prepare periodic reports, dashboards, and executive summaries covering commercial progress, budget status, risks, change items, and required decisions. Coordinate with project controls, scheduling, procurement, design, construction, and document control teams to maintain accurate cost data and commercial records. Support value engineering, risk management, cost optimization, and claim avoidance initiatives throughout pre-construction, construction, and close-out phases. Communicate regularly with client stakeholders in a professional, culturally aware manner to support alignment, transparency, and client satisfaction. Manages complex Mechanical construction cost issues with limited supervision and clear escalation of key risks. Sets up and maintains internal and external project management files, cost logs, change logs, trend logs, and commercial reporting tools. Assigns and coordinates responsibilities with Mechanical construction managers, project controls staff, and project coordinators as needed. Leads or supports pre-construction cost planning, budget validation, constructability input, procurement strategy, and bid package development. Proposes bidding, contract, change management, and commercial strategies aligned with client objectives and Korean FDI project requirements. Reviews contractor Mechanical construction schedules and assists with project delivery, phasing, and cost-impact evaluation strategies. Supports project close-out by confirming final cost status, change order resolution, lessons learned, and commercial documentation completion. About you BS/BA degree from an accredited college/university in construction management, engineering, quantity surveying, architecture, business, or a related field is highly preferred. 15+ years of relevant cost management, project controls, quantity surveying, estimating, commercial management, or construction management experience. Experience with large-scale industrial, manufacturing, semiconductor, battery, data center, logistics, or other Korean FDI-related projects is preferred. Strong background in Mechanical works, including HVAC, Piping, Package Equipment, sitework, and related construction packages. Solid understanding of U.S. construction delivery methods, contractor procurement, change management, claims awareness, and construction contract administration. Knowledge of design, engineering, construction terminology, estimating methods, quantity takeoff, cost coding, and project controls processes is required. Ability to review and challenge contractor pricing, assumptions, unit rates, productivity, manpower, procurement impacts, and schedule-related cost impacts. Proficiency in Excel and cost/reporting systems is expected; experience with Power BI, Primavera P6, Procore, e-Builder, Oracle, SAP, or similar platforms is a plus. Excellent verbal and written communication skills, with the ability to prepare clear client-facing reports, dashboards, commercial narratives, and executive summaries. Bilingual Korean and English capability is mandatory to support communication with Korean clients and project stakeholders. Rewards & benefits At AtkinsRéalis, our values—Safety, Integrity, Collaboration, Innovation, and Excellence—are more than just words. They are the foundation of who we are and how we work. These principles shape our culture, guide our decisions, and inspire us to create an environment where every team member feels empowered to grow, succeed, and make a meaningful impact. Depending on your employment status, AtkinsRéalis benefits may include medical, dental, vision, company-paid life and short- and long-term disability benefits, employer-matched 401(k) with 100% vesting, employee stock purchase plan, Paid Time Off, leaves of absences options, flexible work options, recognition and employee satisfaction programs, employee assistance program, and voluntary benefits. You can review our comprehensive benefits page here . About AtkinsRéalis We're AtkinsRéalis , a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people. Find out more. Additional information Expected compensation range is between $130,000 - $160,000 annually depending on skills and experience. Are you ready to expand your career with us? Apply today and help us shape something extraordinary. AtkinsRéalis is an equal opportunity, Drug-Free employer EOE/Veteran/Disability Please review AtkinsRéalis’ Equal Opportunity Statement here . AtkinsRéalis cares about your privacy and is committed to protecting your privacy. Please consult our Privacy Notice on our Careers site to know more about how we collect, use and transfer your Personal Data. By submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice. Note to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. Worker Type Employee Job Type Regular At AtkinsRéalis , we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.