Jobs at Ameren

Prepares, reviews, and analyzes financial transactions affecting subsidiary statements. Responsibilities include SEC, FERC, and state regulatory filings; financial and operational reporting; accounting research; policy recommendations; process and control improvements; risk monitoring; executive presentations; and special financial projects.

Provides clerical, administrative, and operational support for an energy utility division. Responsibilities include payroll timekeeping, invoice processing, stores and materials coordination, records maintenance, customer appointment scheduling, claims and voucher reconciliation, confidential file management, and preparation of project tracking and performance reports. Requires strong Microsoft Word and Excel skills, accurate recordkeeping, and the ability to support emergency operations when requested.

Manages technology transfer, research, and innovation programs supporting utility operations and corporate priorities. Coordinates EPRI, university, and external research relationships; evaluates emerging technologies; develops business cases and recommendations; manages budgets, procurement, contracts, and financial reporting; oversees cross-functional workstreams and stakeholder deliverables; prepares executive briefings and dashboards; and leads process improvements, knowledge sharing, and informal coaching.

Administers contracts for a large combined-cycle energy project, maintaining obligations, records, notices, deliverables, milestones, change orders, invoicing, compliance, and close-out documentation. Coordinates with procurement, legal, engineering, construction, OEM, cost, and audit teams. Tracks contractual risks and open items, reports status to project controls leadership, and supports process improvements. The position requires five years of relevant large-capital-project contract administration experience and will transition from hybrid to full-time onsite work.

Owns the end-to-end project risk management process for West Alton, including risk registers, quantitative cost and schedule modeling, Monte Carlo analysis, contingency sizing and tracking, mitigation monitoring, reporting, and governance. Partners with project controls, engineering, scheduling, construction, and leadership teams while mentoring analysts and improving risk-management standards, processes, and compliance.

Performs financial modeling, valuation, capital structure, cost-of-capital, covenant, financing, regulatory, and economic analyses. Maintains project financial models, evaluates capital investments and financial alternatives, prepares reports and board-level materials, and supports treasury activities. Requires strong analytical, communication, writing, Excel, and independent multitasking skills.

Leads complex renewable energy projects and portfolios involving solar, wind, and battery storage. Manages scope, budgets, schedules, forecasts, contracts, vendors, risks, stakeholder expectations, change management, and project teams. Negotiates with developers, EPCs, and contractors while ensuring projects meet strategic, financial, and delivery objectives. Coaches project managers and drives results through leadership and collaboration.

Supports power generation business performance through budgeting, forecasting, variance analysis, financial and operational reporting, accruals, funding reallocations, compliance oversight, and process improvement. The role analyzes financial and statistical data, coordinates work-order documentation, prepares reports, and provides recommendations to improve business performance and reporting consistency.

Supports strategic procurement and category management by analyzing spend, markets, suppliers, and demand; executing sourcing activities; preparing solicitations and contract materials; supporting negotiations; managing supplier and business relationships; developing supply chain strategies; and implementing continuous improvements. The role requires cross-functional collaboration, strong analytical and communication skills, and experience in sourcing or procurement.

Leads digital project cost analysis across project development and execution. Responsibilities include validating estimates, managing work orders, applying capital and O&M accounting guidelines, reforecasting monthly spend, analyzing variances, updating contingencies, aligning costs with schedules, and improving forecasting and reporting processes. Partners with Digital leadership, Finance, Plant Accounting, PMO, and project teams to ensure accurate project financial tracking and provide recommendations to business leaders.

Supports income and non-income tax compliance, renewable energy tax credit diligence, tax research, planning, sales tax reviews, journal entries, and special projects. The role also assists business teams with tax questions, prepares memos and communications, and works with tax software and Microsoft Office tools. The position requires a bachelor’s degree in accounting, finance, or business and at least three years of professional tax experience; CPA or graduate education is preferred.

Plans, leads, and integrates distribution projects from initiation through closeout and operational handoff. Manages engineering, procurement, construction, commissioning, schedules, budgets, resources, vendors, contractors, reporting, regulatory compliance, and project policies. Acts as the primary site authority and leads project teams while coordinating stakeholders and handling competing priorities, emergency callouts, travel, overtime, and off-hours work as needed.

The Senior Product Owner represents customers and stakeholders, translates needs into user stories, manages and prioritizes the product backlog, supports product vision and roadmaps, accepts deliverables, tracks product metrics, and guides Agile teams. The role collaborates across product, architecture, technical, and business teams; promotes quality, removes roadblocks, facilitates feedback, and ensures delivery of customer and business value.

Supports Ameren’s Supply Chain team with strategic sourcing, procurement projects, category management, supplier and market intelligence, RFP analysis, demand planning, inventory processes, and process improvement initiatives. The intern will develop analytical and economic models, assist with team activities, complete a key project, and present results to executives. This is a full-time hybrid internship in St. Louis from January through August 2027.

The Mechanical Engineer supports the nuclear power plant operations by ensuring compliance with regulations, troubleshooting equipment, and providing engineering support. Responsibilities include system health monitoring, technical evaluations, and documentation revisions.

The Line Troubleman patrols, repairs, and restores service on electric circuits, responds to customer calls, operates substations, and handles incident reports.

Plan and execute IT audits of digital systems, cybersecurity, data privacy, change management and SOX controls. Assess risks, report findings, support remediation, collaborate with management and external auditors, and assist on project/process control reviews.

Summer full-time internship supporting Ameren Supply Chain across planning, procurement, inventory, supplier diversity, contracting, and transformation initiatives. Interns support sourcing, category management, RFP development and analysis, demand planning data collection, cost modeling, and process improvement. Assigned a mentor, complete a key project, present results to executives, and participate in team meetings.

Lead development and execution of Ameren-wide sourcing and category strategies for new gas generation spend. Manage supplier selection, negotiation, contracting, risk mitigation, cost modeling (TCO), market intelligence, and stakeholder engagement. Lead cross-functional teams, drive supplier performance, and implement sourcing initiatives to ensure supply continuity, cost savings, and value realization for large-scale generation projects.