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Magen O'Connor, Msa Email & Phone Number

Senior Manager, Accounting at Eliassen Group at Eliassen Group
Location: Greater Boston, United States 9 work roles 4 schools
2 work emails found @eliassen.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email m****@eliassen.com
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Current company
Role
Senior Manager, Accounting at Eliassen Group
Location
Greater Boston, United States
Company size

Who is Magen O'Connor, Msa? Overview

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Quick answer

Magen O'Connor, Msa is listed as Senior Manager, Accounting at Eliassen Group at Eliassen Group, a with 1 employees, based in Greater Boston, United States. AeroLeads shows a work email signal at eliassen.com and a matched LinkedIn profile for Magen O'Connor, Msa.

Magen O'Connor, Msa previously worked as Senior Manager, Accounting at Eliassen Group and Accounting Manager at Eliassen Group. Magen O'Connor, Msa holds Master Of Science - Ms, Accounting from Merrimack College.

Company email context

Email format at Eliassen Group

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*@eliassen.com
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AeroLeads found 2 current-domain work email signals for Magen O'Connor, Msa. Compare company email patterns before reaching out.

Profile bio

About Magen O'Connor, Msa

Accounting Manager with over 20 years’ experience in corporate accounting functions.

Listed skills include Payroll, Process Improvement, Analysis, Microsoft Excel, and 22 others.

Current workplace

Magen O'Connor, Msa's current company

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Eliassen Group
Eliassen Group
Senior Manager, Accounting at Eliassen Group
55 Walkers Brook Drive, 6th Floor, Reading, MA 01867, us
Website
Employees
1
AeroLeads page
9 roles · 29 years

Magen O'Connor, Msa work experience

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

Senior Manager, Accounting

Current

Reading, Ma, Us

Sep 2022 - Present

Accounting Manager

Reading, Ma, Us

- Manage payroll and financials team of five- Maintain the same responsibilities under Senior Accountant title- Oversaw accounting team in the Maryland branch office.- Transitioned payroll team to be fully functioning in Maryland and subsequently transitioned the payroll team back to Massachusetts where corporate headquarters is located.- Review weekly payroll for accuracy prior to sending to ADP for processing.- Review timesheet adjustments to ensure proper recording for reporting- Review CRM matches for accuracy prior to candidate beginning their assignment- Finance lead for CRM upgrades and system accuraciesAcquisitions of 9 companies of various size ranging from $10M to $100M. • Lead the implementation team and project, transitioning the payroll from multiple payroll applications, into one application ADP WorkforceNow.• Lead quality control and testing between CRM and ADP Workforce now prior to Go-Live.Commission Module Implementation• Lead the implementation, testing and roll out of the CRM commission module to delivery staff.• Create and maintain commission compensation plans within the CRM commission module.Erecruit CRM Upgrade• Member of the implementation team for a major database upgrade. • Assisted in quality control and testing prior to Go-Live.

Nov 2020 - Sep 2022

Accounting Supervisor

Reading, Ma, Us

- Combination of current Accounting Manager responsibilities and previous Senior Accountant responsibilities.

Jan 2013 - Nov 2020

Senior Accountant

Reading, Ma, Us

- Complete monthly and quarterly closings, analyze data, and review results with Officers.- Prepare monthly reconciliations in a timely manner- Ensure general ledger account information is accurate, complete, consistent, and auditable.- Bank reconciliations- Work with AR / AP representatives to ensure proper entry into general ledger.- Manage guarantee tracking and analysis; providing recommendations to managers and leadership.- Assist in managing the external audit activities at interim and at year-end.Payroll System Upgrade.• Member of the implementation team transitioning Eliassen Group from two different ADP applications, PCPW and Pay eXpert, to one application WorkforceNow.• Assisted in quality control and testing prior to Go-Live.Erecruit CRM and Back Office Systems Upgrade.• Member of the implementation team transitioning Eliassen Group from current diverse application suite to a cohesive integrated back office application infrastructure that supports 200 internal users and over 500 end users.• Assisted in developing and implementing back office policies, procedures and workflows to support new back office system.• Assisted in quality control and testing prior to Go-Live and in-future releases.

Jan 2012 - Jan 2013

Psa Analyst

Reading, Ma, Us

- Part of the core team responsible for the configuration, implementation and training of the Professional Services Automation application (NetSuite OpenAir); focus on finance operations, requirements and integration with payroll and accounting software.- Set up and maintain user system access according to established procedures.- Provide daily application administration; responsible for day-to-day system administration including management and resolution of all support tickets (200+ end users). - Work with stakeholders to identify and document required application changes.- Support and maintain configuration of the PSA application to adapt to evolving business requirements.- Create and maintain end-user documentation (quick reference cards). - Assist in testing and roll out of functional changes to the application.- Assess and evaluate all feedback from stakeholders to analyze, document and address the requirements necessary to correct any issues or business process changes in the on-going maintenance of the application -Create monthly reports to assist in employee analysis, monthly close entries and revenue projections.- Manage client invoicing for the eClinical and Technology Training divisions in all aspects from creating the billing rules, submitting invoices to the project managers, and posting them to the general ledger.- Process weekly payroll export between OpenAir, ADP and Great Plains for the eClinical and Technology Training divisions.- Process monthly commissions for Business Development Managers.Acquisition of a $50M company.• Assisted Director of Accounting in complete re-training and education of remaining accounting staff, enabling team to run independently in 2 months. Replicon Web Time Sheets.• Assisted in the transition from paper time sheets to computerized time sheets for over 500 external employees.• Reducing data entry time by several hours weekly, while increasing overall accuracy.

Apr 2008 - Jan 2012

Payroll And Billing Specialist

Reading, Ma, Us

- Assist in the payroll and invoicing set up for two companies that were acquired by Eliassen Group.- Maintain up to date knowledge of payroll requirements and best practices, including multi-state payroll and payroll wage laws.- Track, verify and process over 350 timesheets on a weekly basis. - Process and verify all W2 contractors; taxes, terminations, rate changes, direct deposits, status changes, address and tax changes.- Execute wage garnishments and child support orders.- Complete employment verifications and unemployment request for information forms.- Generate and process weekly commissions.- Process and review weekly payroll.- Reconcile processed payroll, post entries to the general ledger and process bank transfers.- Create manual checks as needed. - Maintain detailed records of all payroll communications.- Process analysis of gross margin and guarantee reports for account executives and recruiters.- Process and verify all outside service provider contractor set up, invoices and payments.- Prepare documents for yearly workers compensation audit.- Assist in yearly audits.- Generate weekly, bi-weekly and monthly invoices.Acquisition of a $5M company. • Played integral role in the acquisition, including on-boarding and transitioning of 100 employees from newly acquired New York office.TempWizard Timesheet and Invoicing System• Implemented TempWizard timesheet and invoicing system.• Created process documents and workflow, reduced invoicing staff from 2 full-time employees to a single part-time employee contributing to double-digit growth, annually.

Apr 2002 - Apr 2008

Billing Specialist

Reading, Ma, Us

Apr 2000 - Apr 2002

Store Operations Specialist (Part Time)

Jordans Furniture
Jan 2005 - Jun 2008

Service Associate €“ Cash Control

Us

1998 - 2000 ~2 yrs
Team & coworkers

Colleagues at Eliassen Group

Other employees you can reach at eliassen.com. View company contacts for 1 employees →

4 education records

Magen O'Connor, Msa education

Master Of Science - Ms, Accounting

Merrimack College

Bachelor Of Science, Business Administration, Accounting

Merrimack College

Associate Of Science, Business Administration, Accounting

Middlesex Community College

Education record

North Reading High School
FAQ

Frequently asked questions about Magen O'Connor, Msa

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

What company does Magen O'Connor, Msa work for?

Magen O'Connor, Msa works for Eliassen Group.

What is Magen O'Connor, Msa's role at Eliassen Group?

Magen O'Connor, Msa is listed as Senior Manager, Accounting at Eliassen Group at Eliassen Group.

What is Magen O'Connor, Msa's email address?

AeroLeads has found 2 work email signals at @eliassen.com for Magen O'Connor, Msa at Eliassen Group.

Where is Magen O'Connor, Msa based?

Magen O'Connor, Msa is based in Greater Boston, United States while working with Eliassen Group.

What companies has Magen O'Connor, Msa worked for?

Magen O'Connor, Msa has worked for Eliassen Group, Jordans Furniture, and Bankboston.

Who are Magen O'Connor, Msa's colleagues at Eliassen Group?

Magen O'Connor, Msa's colleagues at Eliassen Group include Eric Cooley, Pramod Polkampalli, Jonah Geddes, Rachel Kuper, and Haley Foxworth.

How can I contact Magen O'Connor, Msa?

You can use AeroLeads to view verified contact signals for Magen O'Connor, Msa at Eliassen Group, including work email, phone, and LinkedIn data when available.

What schools did Magen O'Connor, Msa attend?

Magen O'Connor, Msa holds Master Of Science - Ms, Accounting from Merrimack College.

What skills is Magen O'Connor, Msa known for?

Magen O'Connor, Msa is listed with skills including Payroll, Process Improvement, Analysis, Microsoft Excel, Financial Reporting, Outlook, Accounting, and Account Reconciliation.

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