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Onesource Jobs in Colorado (NOW HIRING)

Income Tax Senior Manager

Denver, CO · Hybrid

$140K - $170K/yr

OneSource, Corptax, FMIS) * Experience with data automation and analytics software (e.g. OneStream, Alteryx, PowerQuery) Estimated Base Pay Range: $140,000 - $170,000 USD/annually. The base pay range ...

OneSource Indirect Tax Certification, Vertex * Other tax technology vendor certifications for implementations (e.g. Oracle, SAP) Preferred * Experience with an accountancy firm, consultancy practice ...

Tax Manager

Highlands Ranch, CO · On-site +1

$113K - $148K/yr

Experience with tax technology, automation tools, standardized workpapers, OneSource income tax software, OneStream, or other preferred tax reporting solutions. * CPA, MST, JD, or other relevant ...

Senior Tax Manager

Denver, CO · On-site

$160K - $190K/yr

Experience using tax reporting software (CorpTax, OneSource, Longview, etc.) and Oracle/HFM strongly preferred. * Strong Microsoft Excel skills required, Alteryx and Ai experience is a strong plus.

Senior Tax Manager

Denver, CO · Hybrid

$160K - $190K/yr

Experience using tax reporting software (CorpTax, OneSource, Longview, etc.) and Oracle/HFM strongly preferred. * Strong Microsoft Excel skills required, Alteryx and Ai experience is a strong plus.

Thorough understanding of PTMS and OneSource Property Tax. * Experience with property tax compliance, tax planning, tax analysis, and related tax research. * Experience managing a team and acting as ...

Showing results 21-37

Onesource information

What is an Onesource job?

A Onesource job typically refers to a role that involves working with Thomson Reuters' OneSource software, which is used for tax automation, compliance, and reporting. These roles are often found in finance, accounting, and tax departments, where professionals manage corporate tax processes, indirect tax calculations, and reporting. Responsibilities may include configuring tax software, ensuring compliance with regulations, and optimizing tax workflows.

What are the key skills and qualifications needed to thrive in an Onesource position?

To thrive in a Onesource role, you need a solid understanding of tax compliance, accounting principles, and data management, often supported by a degree in accounting or finance. Familiarity with the Thomson Reuters Onesource tax software and related ERP systems is crucial, and certifications like a CPA can be advantageous. Attention to detail, problem-solving ability, and strong communication skills set top performers apart in this position. These skills ensure accurate tax filings, efficient workflow management, and effective collaboration across accounting and tax teams.

What are the typical responsibilities of an Onesource tax role?

Professionals in a Onesource tax role are primarily responsible for using the Onesource software to manage and streamline various aspects of tax compliance, such as tax return preparation, data consolidation, and regulatory reporting. They often work closely with accounting, finance, and IT teams to ensure accurate data integration and timely submissions. Daily tasks may include maintaining tax documentation, performing data reconciliations, and responding to queries from internal or external audit teams. This role offers an excellent opportunity to develop expertise in tax technology and process improvement, setting the stage for future advancement in tax management or software implementation.

What are the most commonly searched types of Onesource jobs in Colorado? The most popular types of Onesource jobs in Colorado are:
What are popular job titles related to Onesource jobs in Colorado? For Onesource jobs in Colorado, the most frequently searched job titles are:
Infographic showing various Onesource job openings in Colorado as of August 2026, with employment types broken down into 97% Full Time, 1% Part Time, and 2% Contract. Highlights an 67% Physical, 13% Hybrid, and 20% Remote job distribution.

Income Tax Senior Manager

Zayo Group LLC

Denver, CO • Hybrid

$140K - $170K/yr

Full-time

Re-posted 9 days ago


Job description

Company Description

Zayo provides mission-critical bandwidth to the world’s most impactful companies, fueling the innovations that are transforming our society. Zayo’s 141,000-mile network in North America and Europe includes extensive metro connectivity to thousands of buildings and data centers. Zayo’s communications infrastructure solutions include dark fiber, private data networks, wavelengths, Ethernet, and dedicated Internet access. Zayo serves wireless and wireline carriers, media, tech, content, finance, healthcare and other large enterprises.

Zayo is seeking an Income Tax Senior Manager to join our Tax team. Reporting to the Head of Global Income Tax, our Income Tax Senior Manager will manage the compliance and reporting process for all U.S. jurisdictions, encompassing the process from estimated tax payments through audits.

In addition, our Income Tax Senior Manager will work with others on the team to prepare the worldwide U.S. GAAP income tax provisions and accompanying disclosures for the annual and quarterly financial statements.

*We're open to this position working in a hybrid capacity out of our Denver, CO office (1401 Wynkoop).

Responsibilities:

  • Manage the day-to-day compliance and reporting process for all U.S. federal and state income tax jurisdictions.

  • Manage the relationship with our co-sourced tax compliance partner.

  • Review income tax workpapers necessary for U.S. federal and state income tax compliance, including quarterly estimates and extensions, tax depreciation, and apportionment.

  • Review U.S. tax calculations and reporting for foreign operations.

  • Review U.S. tax calculations and associated financial statement disclosures for the worldwide tax provisions on a quarterly and annual basis.

  • Assist with various consolidations of the U.S. GAAP tax provisions.

  • Manage federal and state income tax audits as they arise.

  • Supervise, develop, and train Senior Income Tax Analysts.

  • Oversee the maintenance of tax law changes, fixed asset, loss carryforward, deferred interest, tax account, and similar schedules for U.S. entities.

  • Provide guidance to the Senior Income Tax Analysts in gathering supporting data and responding to various state tax notices.

  • Perform tax research and analysis as required to support technical issues, identify tax saving opportunities, adopt new accounting pronouncements, and evaluate proposed tax legislation impacts to the company.

  • Assist with special projects such as tax planning and forecasting, accounting methods, and M&A activities, including due diligence, purchase accounting, and integrations.

  • Assist with process and technology enhancements for tax provision and compliance.

  • Other duties as they arise.

Minimum Qualifications:

  • Bachelor’s degree in Accounting or Finance

  • Minimum of 12 (twelve) years of combined work experience in income taxation with public accounting firm and corporate tax department

  • High proficiency in Microsoft Excel

  • Multi-national company experience

  • Extensive understanding of U.S. federal and state corporate tax compliance

  • Solid understanding of ASC 740

  • Ability to take ownership and manage multiple staff and projects under tight deadlines

  • Ability to work effectively cross-functionally and with external contacts

  • Proactive self-starter with the ability to work independently and maintain large, detailed volumes of data

  • Strong communication, interpersonal, organizational, and time management skills

  • Excellent analytical, judgment, and decision-making skills with the ability to adapt to change

  • Strong work ethic and adaptability

Preferred Qualifications:

  • CPA license

  • Master’s degree in Taxation

  • Experience with tax provision, compliance, and depreciation software (e.g. OneSource, Corptax, FMIS)

  • Experience with data automation and analytics software (e.g. OneStream, Alteryx, PowerQuery)

Estimated Base Pay Range: $140,000 - $170,000 USD/annually.

The base pay range shown is a guideline and reasonable estimate for this role. It takes into account the wide variety of factors that are considered in making compensation decisions. Actual compensation offered may vary from the posted range based upon geographic location, work experience, skill level, certifications, and other business and organizational needs. Non- sales roles may be eligible to participate in a discretionary annual incentive plan. Sales roles may be eligible to participate in a sales incentive plan.

Additionally, this position may be eligible for certain benefits, such as health insurance, life insurance, disability retirement plans, paid time off.

The posting will be active for a minimum of 3 days. The active posting will continue to extend by 3 days until the position is filled.

Benefits, Rewards & Wellness

  • Excellent Health, Dental & Vision Insurance

  • Retirement 401(k) Savings Plan

  • Generous paid time off policy including paid parental leave

Zayo provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, provincial or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.