Professional Services Manager

About Us

Every moment of every day, people around the world rely on the energy they access through infrastructure built by Quanta. Comprising the largest skilled-labor force in North America, our employees are highly skilled and innovative, continually working to connect people and power. We’re building the infrastructure that supports the energy transition, and there are more opportunities than ever to be part of our team. Join us and build your career building a brighter future.

Imagine what you could do here. We encourage, inspire, and support our people to seize opportunities in our corporate office and with hundreds of our operating companies worldwide that provide solutions for the utility, renewable energy, electric power, industrial, and communications industries.

Quanta actively promotes and maintains a culture of belonging where all employees can be themselves, live their values, and find opportunities to succeed. When you join our team, you join a dynamic organization in which career development is encouraged, excellence is rewarded, and diversity is prized. Come find out how our people power modern life.

About this Role

Quanta Services is seeking an experienced Manager to join the OneStream Center of Excellence (CoE) Finance team, reporting to the Associate Director, OneStream Center of Excellence. This role operates within Quanta's complex, decentralized organization with multiple operating units and diverse financial systems and business processes. The Manager partners with Corporate Accounting, Consolidations, Financial Planning and Analysis (FP&A), and Divisional Accounting to support and improve OneStream solutions for financial consolidation, planning, reporting, and compliance. The position balances Financial Accounting and FP&A responsibilities and requires direct FP&A experience to strengthen the CoE's budgeting and forecasting expertise.

The Manager provides functional leadership and hands-on systems support for financial close, consolidation, budgeting, forecasting, and management reporting, including end-user support, requirements gathering, testing, documentation, and delivery of approved enhancements in partnership with technical teams. The Manager leads assigned cross-functional initiatives, recommends improvements, and contributes to the OneStream roadmap under CoE leadership. This position is based in Houston, Texas (in office initially, with a hybrid schedule potentially available after six months at the manager's discretion), and initially has no direct reports.

What You'll Do

• Support Corporate Accounting, Consolidations, FP&A, and Divisional Accounting workflows within OneStream, including financial close, budget and forecast submissions, data loads and validation, job and financial variance analysis, and management reporting and Annual Business Plan preparation;
• Support internal controls and Sarbanes-Oxley (SOX) compliance by maintaining process and control documentation, providing audit evidence, and assisting with control testing and remediation within the role's scope;
• Independently lead assigned cross-functional system initiatives from requirements through deployment within approved scope, priorities, and change-control requirements; elevate risks and decisions requiring leadership approval;
• Develop business cases, implementation plans, and recommendations for Finance transformation initiatives, including expected benefits, resource needs, dependencies, and risks; contribute to CoE roadmap planning;
• Advise Finance leadership on process improvements, OneStream capabilities, and future-state requirements in partnership with CoE functional and technical leaders;
• Identify and implement approved opportunities to automate and standardize financial processes and improve data quality, reporting reliability, and scalability;
• Lead functional requirements gathering, document acceptance criteria, coordinate functional solution design with technical teams, and lead user acceptance testing, deployment readiness, and stakeholder adoption; validate affected processes through regression testing and follow established change-control procedures;
• Translate accounting, consolidation, and FP&A needs into documented functional requirements, applying direct FP&A experience to support budget and forecast models, planning assumptions and drivers, scenario analysis and actual-to-budget and forecast comparisons in partnership with Finance process owners;
• Contribute to and apply established governance standards for metadata, hierarchies, business rules, workflows, and reporting structures; coordinate proposed changes with business owners and CoE technical teams through required approvals;
• Develop and maintain user documentation, training materials, and process flows; deliver training and support adoption of system changes;
• Act as a liaison b