Business Controller - North America Services
RES
Company Overview
Renewable Energy Systems (RES)
Hertfordshire, United Kingdom
1981
Approximately 2,500 employees globally (source: linkedin.com). No publicly disclosed revenue figures for 2023.
What They Do
RES focuses on a diverse range of renewable energy technologies, including wind (both onshore and offshore), solar photovoltaic (PV), battery energy storage systems (BESS), and green hydrogen solutions. The company provides comprehensive services that span the entire lifecycle of renewable energy projects, from initial development and engineering to construction, operations and maintenance (O&M), asset management, and financing. Their expertise allows them to deliver utility-scale projects that meet the growing demand for sustainable energy solutions across various markets, including utilities, corporates, and governments (source: res-group.com).
Projects & Track Record
RES has an impressive portfolio of completed projects, including the 278MW King Mountain Wind Farm in Texas, which was completed in 2001 and was the world's largest at the time. Other notable projects include the 90MW Inner Dowsing offshore wind farm in the UK and the 270MW Lincs offshore wind farm, both of which have contributed to RES's reputation as a leader in the renewable energy sector. The company has also developed significant solar projects, such as the 30MW Webberville solar park in Texas, showcasing its versatility in renewable energy solutions (source: res-group.com).
Recent Developments
In recent years, RES has made significant strides in expanding its project portfolio and capabilities. In 2024, the company secured a Generation License for the 70MW Elmacık Wind Power Plant in Turkey and advanced the development approval for the Tarong West Wind Farm in Queensland, Australia, which is set to provide power for approximately 230,000 homes. Additionally, RES has partnered with Octopus Energy on a £3 billion investment in green hydrogen in the UK, further solidifying its commitment to innovative renewable energy solutions (source: keyfactsenergy.com).
Working There
RES offers a variety of roles across multiple departments, including development, engineering, construction, operations and maintenance, asset management, finance, and legal services. The company emphasizes a collaborative culture, with a commitment to diversity and inclusion, and provides a stimulating work environment for its employees. The global headquarters in Kings Langley, UK, features modern facilities designed to support employee well-being, such as bike racks and showers, promoting a healthy work-life balance (source: res-group.com).
Last updated on Feb 23, 2026 | Report an issue
We are committed to building a workplace where everyone feels heard and respected, and extending our culture of care so that every individual can reach their full potential. We want you to have a sense of belonging and feel valued for your contributions and the perspectives you bring.
Job Description
The Business Controller is responsible for supporting financial planning, reporting and performance management across the North America Services organization. This role ensures accurate financial oversight, supports strategic decision-making, and drives cost control and profitability across the business. This position acts as a key partner to the Head of Business Finance and collaborates closely with operations, HR, HSQE, Business Development, and other functions to ensure alignment of financial and operational objectives. The ideal candidate is proactive, detail-oriented, and possesses strong analytical and business partnering skills, with the ability to translate financial data into actionable insights that support business performance.
This role will require being in the office a minimum of 3 days week.
Requirements
- Lead budgeting and forecasting processes, ensuring alignment with business strategy and operational plans.
- Deliver monthly financial performance reporting, including variance analysis (actuals vs. budget/forecast).
- Monitor overhead and operational costs, identifying trends, risks, and opportunities for optimization.
- Support financial modeling and scenario analysis to evaluate business decisions and performance drivers.
- Partner with cross-functional teams (Operations, HR, HSQE, Business Development, etc.) to provide financial guidance and support planning processes.
- Ensure accuracy, consistency, and integrity of financial data within ERP systems (SAP, IFS) and reporting tools.
- Drive cost control initiatives and track efficiency improvements across the organization.
- Support month-end close activities, including accruals, allocations, and variance analysis.
- Identify financial risks and opportunities, providing proactive recommendations to improve performance.
- Ensure compliance with internal controls, accounting standards, and company policies.
- Support internal and external audits by preparing financial documentation.
- Collaborate with Project Controllers, Accounting, and Business teams to ensure alignment in financial planning and reporting.
- Maintain accurate records and documentation of financial processes and reports.
- Attends work regularly and punctually, as scheduled or expected.
- Complies with Employee Handbook, Code of Conduct and Company Policies & Procedures.
- Contributes to continuous improvement of financial processes, reporting, and data quality.
- Provides insights on cost efficiency and profitability improvement initiatives.
- Ensures compliance with ISO standards (9001, 14001, 45001) and internal policies.
- Promotes a strong safety culture and adherence to HSQE standards.
- Actively contributes to a diverse and inclusive work environment aligned with company values.
- Provides financial insights and market intelligence to support decision-making.
- Supports alignment between financial and operational stakeholders.
- Presents, supports, and leads-by-example with a safety and quality-oriented attitude.
- Strong knowledge of financial planning, budgeting and forecasting.
Safety
- Follows safety and security procedures and determines appropriate action. Reports potentially unsafe conditions and uses materials and equipment properly.
Qualifications
- Bachelor's Degree in Accounting, Finance, Economics, Business Administration, or related field is required.
- 3 years or more of experience in financial controlling, FP&A, accounting, or similar roles is required.
Anticipated base salary range: $90,000 - $120,000
The final agreed upon compensation is based on individual education, qualifications, experience, and work location.
RES offers benefits that are effective first day of the month after 30 days of employment. These benefits include the following:
- Medical, Dental and Vision
- Health Savings Account with employer contribution
- Flexible Spending Accounts
- 4x pay Basic Life and Voluntary Life
- Short and Long Term Disability
- Accident, Hospital, and Critical Illness
- 401 (k) plan with 6% company match
- 2 weeks Paid Time Off (PTO), Prorated Sick days and 10 Paid Holidays- includes Floating Holiday
- Tuition Reimbursement
- Volunteer and Charity Matching
- Paid Parental Leave
- Employee Referral Bonus
- Employee Discounts and Wellness programs
- Wellness Reimbursement
Physical requirements and environment
The work environment and physical demands characteristics are representative of those the employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
Rarely: Climbing, crouching, kneeling, pulling/pushing/lifting between 5-15lbs., and stooping are required.
Occasionally: Carrying 5-15lbs., gripping, handling, pinching, and walking are required.
Frequently: Standing is required.
Constantly: Reading, grasping, hearing, reaching, vision, repetitive motion, and sitting is required.
Rarely exposed to extreme cold, heat, and humidity, and wet climates, in the working environment.
Occasionally exposed to noise and hazards in the work environment.
We maintain a drug-free workplace. Candidates will be required to pass a pre-employment background investigation and drug test as a condition of employment.
RES is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.
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Job expired?Please let RES know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
Apply now
Job expired?Please let RES know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
June 11, 2026
Full time
Company
- Denver, Colorado, United States
3 years or more in financial controlling, FP&A, accounting, or similar roles
UTC-06:00