In this role: You will play a key role in supporting Mercury's employee experience as part of the HR Solution Center team. We are seeking a detail‑oriented HR Specialist focused on Tier 1 support across HRIS, learning management systems, and day‑to‑day HR ticket resolution. This role is responsible for managing high‑volume frontline inquiries in Zendesk, including basic HR questions and transactional tasks such as life‑event documentation, timecard inquiries, unemployment claims, and other routine employee requests. Success in this role requires strong process knowledge, excellent organizational skills, and the ability to handle sensitive information with discretion.
Primary duties include:
Providing responsive, client focused Tier 1 support across HR systems, learning/training platforms, and general HR inquiries.
Serving as the primary contact for Tier 1 HRIS questions and basic navigation or
troubleshooting support.
Managing and resolving HR tickets within established SLAs, ensuring accuracy and a positive employee experience.
Supporting HR operations throughout the full employee lifecycle, from onboarding through offboarding.
Processing employee status changes, transfers, promotions, and other routine transactions accurately and on time.
Auditing data entered into HR systems to maintain compliance, consistency, and data integrity.
Addressing employee questions related to HR policies, procedures, and programs in a clear and helpful manner.
Collaborating with HR, Talent, and cross functional teams to streamline and enhance HR support processes.
Process data imports and maintain table data within systems such as ADP and Zendesk.
Configure, enhance, or modify the Zendesk ticketing system in a Zendesk Admin capacity.
Participating in special projects, process improvements, and other duties as assigned.
Performing all other duties as required.
Required Qualifications:
GED, high school diploma
Typically requires 3-5 years of relevant experience
Experience with HRIS systems is a must (ADP strongly preferred)
Experience in an HR helpdesk or shared services environment (Zendesk experience strongly preferred)
Demonstrated experience managing inquiries through a helpdesk or ticketing system, with a focus on timely and accurate issue resolution
Ability to support employees across multiple channels (phone, email, Microsoft Teams, etc.)
Proficiency with Microsoft Office Suite
High attention to detail, with strong accuracy in transactional work and ticket handling
Preferred Qualifications:
Prior HR experience
Ability to collaborate effectively across teams and functions
Strong communication skills and customer service orientation
Demonstrated ability to work independently in a fast‑paced, deadline‑driven environment
Ability to manage multiple priorities while maintaining accuracy
Knowledge of HR practices, policies, and systems in a multi‑state environment
This is a hybrid role and requires on‑site presence 3-5 days per week. The position is based in Andover, MA or Huntsville, AL.
Numbers & Facts
Location
Andover, MA
Industry
Other/Not Classified
Company Size
500 to 999 employees
Year Founded
1981
Website
http://www.mrcy.com
About Company
Mercury Systems is a leading commercial provider of secure sensor and mission processing subsystems. Optimized for customer and mission success, Mercury’s solutions power a wide variety of critical defense and intelligence programs. Headquartered in Andover, Mass., Mercury is pioneering a next-generation defense electronics business model specifically designed to meet the industry’s current and emerging technology needs.
Skills
ADPunmatched
Auditingunmatched
Communication Skillsunmatched
Cross-Functionalunmatched
Customer Relationsunmatched
Customer Support/Serviceunmatched
Data Processingunmatched
Data Qualityunmatched
Detail Orientedunmatched
Documentationunmatched
HRIS/HRMSunmatched
Help Deskunmatched
High School Diplomaunmatched
Human Resourcesunmatched
Human Resources Managementunmatched
Human Resources Processesunmatched
Identify Issuesunmatched
Learning Management System (LMS)unmatched
Maintain Complianceunmatched
Microsoft Officeunmatched
Microsoft Product Familyunmatched
Multitaskingunmatched
Onboardingunmatched
Operational Supportunmatched
Organizational Skillsunmatched
Problem Solving Skillsunmatched
Process Improvementunmatched
Service Level Agreement (SLA)unmatched
Team Playerunmatched
Time Managementunmatched
ZenDeskunmatched
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