HR Generalist, Sr

JST Corporation•Lower Paxton Township, PA
•$75,000 - $95,000•Onsite

About The Position

We are seeking a seasoned, hands-on Senior Human Resources Generalist to serve as the primary on-site HR leader for the Pennsylvania facility. The role operates with substantial autonomy and partners closely with local site leadership while aligning with Corporate HR. It oversees full-spectrum HR functions, including employee relations, benefits administration, regulatory compliance, risk mitigation, and HRIS data integrity. A key priority is designing, establishing, and institutionalizing a company-wide merit and performance review system, supported by hands-on training for supervisors and employees across all facility locations. The position calls for deep operational expertise, strong ethical standards and emotional intelligence, and a commitment to building a transparent, high-accountability culture. The role is based at the Harrisburg Engineering Center in Harrisburg, Pennsylvania, and includes travel of up to 20% for multi-site training, audits, and leadership meetings, sometimes with limited notice. The work environment is a professional office setting with moderate noise. Regular punctuality and flexible hours, including evenings or weekends, may be required based on operational needs.

Requirements

  • Bachelor’s degree in Human Resources, Business Administration, or a related discipline.
  • At least 5 years of progressive HR experience as a true generalist.
  • Demonstrated success in a multi-site or manufacturing environment.
  • Experience designing or administering merit-based performance appraisal frameworks and delivering structured training across multiple locations.
  • Hands-on experience with the Paycom HRIS platform or an equivalent tier-one HRIS.
  • Deep working knowledge of federal, Pennsylvania, and multi-state labor laws; FMLA and ADA leave frameworks; benefits compliance; unemployment claim management; and EEOC/PHRC position statement preparation.
  • Ability to work autonomously while keeping corporate and local leadership aligned.
  • Strong ethical standards, business acumen, conflict-resolution skills, and interpersonal skills.
  • Ability to work flexible hours, including evenings or weekends, based on operational needs.
  • Frequently sit, walk, stand, use a keyboard and computer equipment, speak, and hear; occasionally lift or move up to 25 pounds.
  • Close vision, depth perception, and focus adjustment abilities are required.

Nice To Haves

  • SHRM-CP, SHRM-SCP, PHR, or SPHR professional certification.

Responsibilities

  • Design, implement, and institutionalize a standardized company-wide merit and performance review system with clear evaluation criteria, goal alignment, and consistent administration.
  • Develop and deliver training across company locations, coaching managers on objective reviews, calibration, professional development, and continuous feedback.
  • Deliver compliance training and leadership programs for supervisory and managerial staff.
  • Ensure local workforce adherence to company standards; review and recommend policy enhancements for compliance with Pennsylvania and multi-state labor regulations.
  • Update and maintain the local employee handbook pending Corporate HR approval.
  • Lead impartial investigations into harassment, discrimination, and code-of-conduct allegations, and provide findings and recommendations.
  • Partner with Corporate HR and legal counsel to investigate, document, and defend against EEOC, PHRC, and other administrative agency charges or litigation.
  • Manage state unemployment compensation claims, documentation, appeals, and hearings.
  • Administer the Paycom HRIS platform on site and provide backup administration, including employee data, security permissions, workflow automation, and workforce reporting.
  • Coordinate annual Open Enrollment and serve as the on-site subject matter expert on health, welfare, and supplemental benefit plans.
  • Administer statutory and medical leaves, including FMLA, military and personal leave, and the ADA interactive accommodation process.
  • Maintain compliance with ERISA, ACA, and 401(k) fiduciary standards.
  • Oversee workers' compensation claims, OSHA recordkeeping, incident investigations, safety committee collaboration, and return-to-work or transitional-duty programs.
  • Partner with Corporate Recruiting on local hiring, job fairs, educational and vocational pipelines, and compliant onboarding, including Form I-9 and E-Verify.
  • Maintain confidentiality and data integrity for personnel files, medical records, and compensation files.
  • Travel up to 20% for multi-site training, audits, and leadership meetings.
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