HR Generalist

Company Overview

AdCellerant is a technology-enabled services company that has been delivering digital marketing solutions for local businesses since 2013. The company supports local marketers, media organizations, agencies, and channel sales teams through its proprietary advertising platform, Ui.Marketing.

Role Summary

This HR Generalist position is based near Denver, CO and follows a hybrid arrangement, with around two in-office days each week or additional on-site time when needed. Regular presence at the Denver headquarters is required to help support office operations. The role is part of the People Operations team, which supports about 200 employees across more than 25 U.S. states as well as international entities. Reporting to the Director of People Operations and Administration, the role spans employee relations, payroll and benefits support, hiring coordination, onboarding, and related administrative work. It also includes support for the finance team.

The ideal candidate is organized, dependable, detail-focused, and genuinely interested in improving the employee experience. Success in this role requires ownership, adaptability, and a collaborative mindset in a fast-moving environment.

Employee Relations and People Operations

• Serve as a friendly, well-informed first contact for general HR questions and guide employees to the right resources or escalation path when needed.
• Support the Director of People Operations with employee relations matters, related records, and follow-up actions.
• Help deliver People Ops initiatives such as engagement activities, learning and development programs, policy rollouts, and training coordination.
• Update HR systems promptly and accurately for employee changes such as promotions, transfers, and manager changes.
• Review employee data regularly to keep HRIS records accurate, complete, and current.
• Help maintain internal HR documentation, including SOPs, wiki pages, and policy materials.
• Assist with offboarding steps such as system updates, access removal, and completion of required records.
• Maintain compliance files including I-9s, E-Verify records, and payroll/benefits documents, and help with multi-state compliance tasks such as labor law poster updates.
• Provide general administrative support to the finance team, including basic invoice entry and invoice review.

Payroll and Benefits Support

• Support semi-monthly U.S. payroll processing by entering data, completing pre-processing checks, and verifying deductions.
• Offer backup coverage for payroll processing when needed.
• Assist with leave-of-absence administration, including timeline tracking, document coordination, and employee communication.
• Reconcile payroll reports, identify mismatches, and keep supporting records accurate.
• Help with new hire benefits enrollment, qualifying life event processing, and benefits steps related to terminations.
• Assist with benefits billing reconciliation, audit preparation, and open enrollment coordination.

Hiring Coordination and Recruiting Support

• Take ownership of hiring coordination after selection, including handoff from recruiting, offer packet preparation, and new hire paperwork completion.
• Manage onboarding for new hires, including system setup and orientation planning.
• Support recruiting work as needed, including candidate sourcing, interview scheduling, and occasional first-round interviews.
• Provide backup support for recruiting during busier strategic periods.

Location and Work Arrangement

This position must be based near the Denver, CO office and requires regular in-office attendance. The role offers hybrid work-from-home flexibility, with approximately two days per week in the office or additional on-site time as needed to support operations. Team members must live and work in the United States, excluding U.S. territories, and have reliable high-speed internet access.

Compensation and Benefits

The annual base salary for this role is $62,000 to $68,000, depending on experience.

• Paid vacation, holidays, and sick leave
• Medical, dental, and vision coverage
• 401(k) plan with company matching contribution
• Paid parental leave
• Wellness program
• Work-from-home flexibility
• Access to Denver headquarters with in-office perks

Life at AdCellerant

The company emphasizes a team-first culture and says it builds the workplace before building the business. Its values focus on helping partners and local businesses succeed, staying innovative, supporting employee growth and well-being, delivering excellent customer service, operating ethically and sustainably, and contributing positively to the local community. The organization has been recognized as a Denver Business Journal “Best Workplace,” as one of Built In Colorado’s Best Workplaces in multiple years, and through repeated Inc. 5000 recognition for rapid growth.

Other Requirements

The selected candidate must be legally authorized to work full-time in the United States.

Equal Opportunity

AdCellerant states that it is an equal opportunity employer and maintains a respectful workplace where employment decisions are made without discrimination based on protected characteristics including race, religion, color, national origin, gender, pregnancy, sexual orientation, gender identity or expression, marital status, citizenship, age, veteran status, or disability status.

Security Notice

The company warns applicants to watch for recruitment scams. It states that it will never request financial information during the interview process. Official communication will come only from @careers.adcellerant.com or @adcellerant.com email domains. Anyone who encounters suspicious activity is advised to stop communication and consider reporting it to the FBI Internet Crime Complaint Center. If a recruiting email seems questionable, applicants may forward it to [email protected]. Resumes should not be sent by email.

Additional Notices

AdCellerant participates in E-Verify for all new hires and follows applicable federal, state, and local laws related to employment eligibility verification. It does not use E-Verify to pre-screen applicants.

Colorado applicants may redact age-identifying information, such as age, date of birth, or school attendance and graduation dates, from application materials before submission. Doing so will not affect consideration.

Application Deadline

The application deadline is July 27, 2026, or until the role is filled.