{"id":3950101,"url":"https://alion.io/job/senior-human-resources-administrator","title":"Human Resources Administrator","company":{"id":8944,"name":"Senior","domain":"seniorplc.com","url":"https://alion.io/company/seniorplc","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":20,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-11-08T05:47:12Z"}},"role":"HR","role_family":"HR","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sharon, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Outlook","optional":false}],"status":"live","first_seen_at":"2026-11-09T00:45:55Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T02:17:45Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Be the Organizational Powerhouse behind our Growth\nWe're seeking an exceptionally organized, experienced HR Administrator to support our people operations during a period of significant growth. As our organization rapidly expands, we need someone who excels at managing competing priorities, thrives on the details and takes pride in keeping HR operations accurate, efficient, and running seamlessly.\n The Opportunity\nWe're growing fast-and we need an exceptional HR Administrator who is ready to grow with us!\nWith plans to add over 100 new team members over the next year, we're looking for a highly organized, detail-driven HR professional who thrives in a fast-paced environment and takes pride in providing employees with first class service.\nThis is an exciting opportunity for the right person to take ownership of essential HR operations, from onboarding new employees and maintaining accurate HR data to coordinating employee engagement events and supporting our expanding workforce.\nWhat You'll Own\nOnboarding & Employee Experience\nOwn the new-hire onboarding process, ensuring an organized and welcoming experience on new employee's first day.\n\nCoordinate pre-employment requirements, new-hire paperwork, orientations, and employee communications.\n\nPlan and execute employee engagement events, appreciation activities, and company celebrations.\n\nHR Systems & Data Integrity\nMaintain accurate employee records in ADP, ensuring exceptional data accuracy and integrity.\n\nProcess employee change forms, including promotions, transfers, compensation changes, and terminations.\n\nConduct data audits, maintain personnel records, and generate HR reports.\n\nHR Administration & Process Improvement\nSupport benefits administration, employee leave requests, and HR compliance activities as needed.\n\nIdentify opportunities to streamline processes, improve efficiency, and introduce fresh approaches to HR practices.\n\nServe as a responsive, professional resource for employees and managers.\n\n About You:\nYou have a HS degree and at least 3 years of HR administrative experience, in a fast-paced or high-growth environment.\n\nYou're passionate about helping others and take pride in being a trusted, approachable resource that employees and colleagues can count on.\n\nYou thrive on organization, are great at attention to detail, and can manage competing priorities.\n\nYou have hands-on experience with ADP HRIS, preferably ADP Enterprise V6 and a systems thinking mindset.\n\nYou're a Microsoft Outlook power user with exceptional scheduling and calendar management skills, along with strong proficiency in Excel, Word, and PowerPoint.\n\nYou're passionate about creating thoughtful, memorable employee experiences that make people feel valued, appreciated, and connected.\"\n\nYou've have experience with onboarding new employees, making them feel welcome and informed.\n\nEmployee data management and accurate HR transactions are non-negotiable.\n\nYou value communication and customer service, both in person and in writing, making employees feel heard and understood.\n\nYou are proactive, have an adaptable mindset and are comfortable bringing forward ideas for continuous improvement.\n\nEven Better if you:\nHave familiarity with Massachusetts Paid Family and Medical Leave (PFML) and employee benefits administration.\n\nHave pursued an HR Certification (SHRM,HRCI,NEHRA) because you're serious about your career.\n\nHave supported a rapidly growing organization.\n\nWho Will Thrive Here?\nYou're an organizational powerhouse. You keep multiple priorities moving without missing a detail.\nYou're meticulous. Accuracy matters to you, and you take pride in getting things right.\nYou're proactive. You anticipate needs, solve problems, and take ownership.\nYou're a process improver. You bring fresh perspectives and aren't afraid to suggest a better way.\nYou're adaptable. You thrive in an environment where things move quickly and every day brings something new.\n Salary Range: 26.50-34.00/ hourly\nFLSA: Non-Exempt (Hourly, overtime eligible)\nMonday - Friday onsite, occasional night and weekend work to support employee events such as holiday parties and service awards.\nGood-Faith Disclosure Note: In compliance with Massachusetts Pay Transparency Law, this range represents the good-faith annual salary or hourly wage range that Metal Bellows reasonably expects to pay for this position. Final placement within the band depends on relevant factors such as experience, education, skills, and internal equity.\nTrade Compliance Statement Access to our facilities is restricted under the International Traffic in Arms Regulations (ITAR) and/or the Export Administration Regulations (EAR) to U.S. Persons (U.S. Citizens, lawful permanent residents, U.S. Nationals, U.S. refugees, asylees, or temporary residents under amnesty provisions ), and to properly licensed foreign persons. Applicants receiving a conditional offer of employment will be required to provide information to determine whether they are subject to these regulations and, if so, to assess their country of chargeability for export control purposes. Additionally, potential employee names will be screened against the Consolidated Screening List (maintained by the United States government) to determine eligibility to receive controlled technical data.\nTo ensure there is no unexpected delay to your start date with our Company and due to the potential need to obtain an export license, we would like to promptly assess whether such a license is needed to access our facility and/or systems. Such licenses can take several weeks/months to obtain from the U.S. Government. Our Trade Compliance department may reach out to you with a Licensing Assessment form, which we request you kindly complete and return as soon as possible.\nReasonable accommodations may be made to enable individuals with disabilities to perform essential functions. 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Docs: https://alion.io/developers"}}