Maryann Schaefer
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Maryann Schaefer Email & Phone Number

Sr. Human Resource Generalist at Blue Onyx Systems
Location: Muskego, Wisconsin, United States 9 work roles 2 schools
1 work email found @grimstad.com 1 phone found area 262 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email m****@grimstad.com
Direct phone (262) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Sr. Human Resource Generalist
Location
Muskego, Wisconsin, United States
Company size

Who is Maryann Schaefer? Overview

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Quick answer

Maryann Schaefer is listed as Sr. Human Resource Generalist at Blue Onyx Systems, a company with 42 employees, based in Muskego, Wisconsin, United States. AeroLeads shows a work email signal at grimstad.com, phone signal with area code 262, and a matched LinkedIn profile for Maryann Schaefer.

Maryann Schaefer previously worked as Sr. Human Resource Generalist at J.M. Grimstad Inc. and Payroll Benefits Specialist at Metal-Era, Inc.. Maryann Schaefer holds Business from Uw-Milwaukee At Waukesha.

Company email context

Email format at Blue Onyx Systems

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{first_initial}{last}@grimstad.com
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AeroLeads found 1 current-domain work email signal for Maryann Schaefer. Compare company email patterns before reaching out.

Profile bio

About Maryann Schaefer

Maryann Schaefer is a Sr. Human Resource Generalist at Blue Onyx Systems. She possess expertise in employee relations, human resources, employee benefits, hris, deferred compensation and 25 more skills. Colleagues describe her as "I had the pleasure of working with Mary on some career branding initiatives and company events. She's energetic and hardworking - I witnessed first-hand her quick acting strategy for participating in job fairs while juggling multiple other responsibilities. Mary worked to increase our presence in the community through job fairs and arranging apprenticeships through local education partners. She is also a champion of safety and drove participation for first aid response training to ensure Dynatect was prepared to respond to emergencies. I work in the marketing department, but the motivation was easy to support Mary with whatever help she needed, as she always had the employees' best interests at heart." and "I've worked professionally with Mary for several years now. Mary without question is one of the most professional and honest people I have had the pleasure to work with in my 30 years. Mary's strong communication, follow up and employee relation skills have made her a strong asset to A&A. Mary receives my highest recommendation and I am truly thankful for knowing her."

Listed skills include Employee Relations, Human Resources, Employee Benefits, Hris, and 26 others.

Current workplace

Maryann Schaefer's current company

Company context helps verify the profile and gives searchers a useful next step.

Blue Onyx Systems
Blue Onyx Systems
Sr. Human Resource Generalist
Muskego, WI, US
Website
Employees
42
AeroLeads page
9 roles · 26 years

Maryann Schaefer work experience

A career timeline built from the work history available for this profile.

Sr. Human Resource Generalist

Current

Muskego, Wisconsin, United States

Jan 2022 - Present

Payroll Benefits Specialist

Waukesha, Wisconsin

Deliver an exceptional level of service as the primary point of contact for all employees with inquiries regarding their benefits eligibility, benefits plans, coverage options, disputes or concerns, leave options, and other benefits-related policies, processes and practices.Manage and coordinate the annual benefits enrollment process for all eligible.

May 2019 - Jun 2022

Human Resources Manager

New Berlin

Managed all Human Resource administration. Including recruiting, new employee orientation, benefit orientation, annual HRA, performance management, employee activities, and using HRIS system with Paylocity and Nova time & attendance. Managed all monthly benefit invoices. I provided guidance to managers at 7 locations with some travel. Administrated all.

May 2018 - Mar 2019

Sr. Human Resource Generalist

New Berlin, WI

Managing all the recruitment for production worker force and office personnel for 2 manufacturing plants. Including tracking applicants with ApplicantPro software connected to our corporate website. Onboarding and orientation for all new hires. Performance Management for 350+ employees. Work with FMLA, benefits, 3rd party benefit providers. Manage HR.

Nov 2012 - May 2018

Human Resources Specialist

Lakeview Specialty Hospital & Rehab

Waterford, WI

Managing all trainings for 350+ employees including certifications, renewals and all licensures. Set up of new employee file and data entry into HRIS system. Develop and conduct new employee orientation sessions to ensure smooth and successful transition of new hires including all paperwork. Investigate and takes appropriate action to resolve workplace.

Oct 2011 - Nov 2012

Human Resources Manager

Kaiser Group

Waukesha County, Wisconsin, United States

Managing all the human resource functions of Kaiser Group, including: ensure compliance with federal and state human resource laws and regulations, unemployment and lay-offs, FMLA, payroll, compensation and special projects. I also oversee and manage the company staff, including employee relations, administering employee handbook, and developing employee.

Mar 2008 - Oct 2011

Benefits Specialist

Administered all benefits for 300+ employees, such as health, STD, LTD, 403(b), pension, and vacation. Administer and process claims for self-funded, self- administered flexible spending and HRA accounts. Reviews and processes monthly insurance bills, assist employees with benefit questions, coordinate annual open enrollment for health insurance, and.

Sep 2005 - Feb 2008

Human Resources Generalist

New Berlin, Wisconsin, United States

2000 - 2004 ~4 yrs
Team & coworkers

Colleagues at Blue Onyx Systems

Other employees you can reach at grimstad.com. View company contacts for 42 employees →

2 education records

Maryann Schaefer education

High School, Business

Muskego High School
FAQ

Frequently asked questions about Maryann Schaefer

Quick answers generated from the profile data available on this page.

What company does Maryann Schaefer work for?

Maryann Schaefer works for Blue Onyx Systems.

What is Maryann Schaefer's role at Blue Onyx Systems?

Maryann Schaefer is listed as Sr. Human Resource Generalist at Blue Onyx Systems.

What is Maryann Schaefer's email address?

AeroLeads has found 1 work email signal at @grimstad.com for Maryann Schaefer at Blue Onyx Systems.

What is Maryann Schaefer's phone number?

AeroLeads has found 1 phone signal(s) with area code 262 for Maryann Schaefer at Blue Onyx Systems.

Where is Maryann Schaefer based?

Maryann Schaefer is based in Muskego, Wisconsin, United States while working with Blue Onyx Systems.

What companies has Maryann Schaefer worked for?

Maryann Schaefer has worked for Blue Onyx Systems, J.M. Grimstad Inc., Metal-Era, Inc., Midland Plastics, Inc., and Dynatect Manufacturing, Inc. (Formerly A&A Manufacturing).

Who are Maryann Schaefer's colleagues at Blue Onyx Systems?

Maryann Schaefer's colleagues at Blue Onyx Systems include Mike Falkner, Chris Rotruck, Bill Ray, Mike Devlaeminck, and Raymond White.

How can I contact Maryann Schaefer?

You can use AeroLeads to view verified contact signals for Maryann Schaefer at Blue Onyx Systems, including work email, phone, and LinkedIn data when available.

What schools did Maryann Schaefer attend?

Maryann Schaefer holds Business from Uw-Milwaukee At Waukesha.

What skills is Maryann Schaefer known for?

Maryann Schaefer is listed with skills including Employee Relations, Human Resources, Employee Benefits, Hris, Deferred Compensation, Training, New Hire Orientations, and Recruiting.

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