HR & Office Manager

Rossmonster; Longmont (CO); On-site; USD 75,000 - 85,000; Full time

Benefits offered by this job

Paid time off

Sick leave

Health benefits

Dental benefits

Job summary

Rossmönster in Colorado is seeking a hands-on HR & Office Manager to serve as the primary day-to-day HR resource, supporting recruiting, onboarding, payroll and benefits, employee relations, performance management, compliance, and offboarding. You’ll partner with our PEO and manage office administration.

Onsite Monday–Friday with occasional evenings for launches. The compensation range is $75,000–$85,000, plus generous PTO, health and dental benefits, and a culture of exploration and excellence.

Qualifications

• 4+ years of progressive HR experience including generalist or manager roles.
• Hands-on experience with employee relations, recruiting, payroll, benefits, onboarding.
• Working knowledge of employment laws and HR best practices.
• Strong communication, organization, judgment, and follow-through.
• Comfortable working with employees and managers at all levels.
• SHRM-CP/PHR or similar certification is a plus but not required.

Responsibilities

• Serve as primary HR contact for employees and managers.
• Coordinate payroll changes and benefits questions with the PEO.
• Coordinate recruiting, interviews, and onboarding through to offers.
• Own onboarding and offboarding processes.
• Oversee day-to-day office administrative needs.

Skills

HR Generalist

Hiring & Recruiting

Payroll & Benefits

HR Compliance

Employee Relations

Confidentiality

HR Certification

Education

HR certification (SHRM-CP/PHR)

Job description

About Rossmönster:

Rossmönster is a leading custom adventure van and truck camper manufacturer dedicated to crafting unique and high-quality mobile living solutions. With a passion for exploration and a commitment to excellence, we design and build custom vehicles that empower individuals to embark on unforgettable adventures.

Rossmönster is seeking a hands‑on HR & Office Manager to serve as the primary day‑to‑day HR resource for Rossmonster. This role will support employees and managers across the full employee lifecycle, including recruiting, onboarding, payroll and benefits, employee relations, performance management, compliance, and offboarding. You’ll also partner closely with our Professional Employer Organization (PEO) and oversee the day‑to‑day administrative needs of the office.

What You’ll Do

Human Resources

• Serve as the primary HR contact for employees and managers.
• Provide guidance on employee relations, performance, attendance, policies, and workplace concerns.
• Support coaching, corrective action, performance improvement, and employee documentation.
• Partner with leadership and the PEO on more complex HR and compliance matters.
• Maintain employee records, policies, and required HR documentation.
• Coordinate employee changes, promotions, compensation changes, leaves, and terminations.
• Support performance reviews, employee engagement, training, and other HR initiatives.

Payroll & Benefits

• Serve as the primary company contact with our PEO.
• Coordinate payroll changes and review payroll information for accuracy.
• Be the first point of contact for employee benefits and payroll questions.
• Coordinate benefit enrollment, qualifying life events, and annual open enrollment.
• Partner with the PEO on payroll, benefits, leave, workers’ compensation, and other employee matters.

Recruiting & Onboarding

• Coordinate recruiting from job posting through offer.
• Partner with hiring managers on staffing needs.
• Review resumes, conduct initial screens, and coordinate interviews.
• Manage candidate communication, offers, background checks, and pre‑employment requirements.
• Own the onboarding process and help ensure new employees have a positive start.
• Coordinate employee offboarding and separation processes.

Office Management

• Oversee day‑to‑day office administrative needs.
• Coordinate office supplies, vendors, meetings, employee events, and facility needs.
• Help maintain an organized and welcoming workplace.
• Support leadership and the team with administrative projects as needed.

What We’re Looking For

• 4+ years of progressive HR, HR Generalist, HR Manager, or similar experience.
• Hands‑on experience with employee relations, recruiting, payroll, benefits, onboarding, and HR administration.
• Working knowledge of employment laws and HR best practices.
• Strong communication, organization, judgment, and follow‑through.
• Comfortable working directly with employees and managers at all levels.
• Able to handle confidential and sensitive situations professionally.
• Someone who takes ownership, finds answers, and follows issues through to resolution.
• SHRM-CP, PHR, or similar HR certification is a plus but not required.

Logistics:

Onsite Monday–Friday, with occasional evenings or weekends to support launches and special events

Our total compensation package reflects our commitment to your well‑being, featuring a generous paid time off and sick leave for a healthy work‑life balance. We prioritize health with robust medical and dental benefits, ensuring access to quality healthcare. The salary for this role is between $75,000 - $85,000, based on experience. Beyond the tangible benefits, our workplace culture is fueled by a shared passion for exploration and excellence, creating an environment to thrive personally and professionally.

Rossmönster is an equal opportunity employer, and we encourage candidates from any background to apply.