People Operations (HR) Generalist

Nucleus Security • Jacksonville, FL

12d • $75,000 - $100,000 • Remote

About The Position

Nucleus Security is on the hunt for a People Operations Generalist. If you are detail-obsessed, process-savvy, and energized by helping teams thrive, this is your chance to make a big impact in a fast-growing cybersecurity company. The People Operations Generalist will play a key role in supporting daily people operations functions, with primary focus on administrative support, benefits administration and recruiting support. Reporting directly to our Head of People, you’ll play a pivotal role in shaping the employee experience at Nucleus. You’ll be joining a People team and a company, where our values of Teamwork, Ownership, Care, Communication, and Innovation, aren’t just words on a page; they’re the foundation of how we build, work, and succeed.

Requirements

• 2–5 years of HR generalist or similar experience.
• Strong understanding of HR practices, employment laws, and benefits administration.
• Excellent communication, organizational, and problem-solving skills.
• Proficient with HRIS and applicant tracking systems (ATS).
• A passion for employee experience, culture, and creating an inclusive, supportive workplace.
• Demonstrated ability to handle sensitive information with professionalism, discretion, and integrity.

Nice To Haves

• Experience with Gusto payroll system
• Experience with JazzHR applicant tracking system
• Experience with Expensify
• Recruiting experience

Responsibilities

• HR Administration Maintain accurate employee records in HR systems and personnel files.
• Prepare and process new hire, termination, and employee change documentation.
• Support compliance with labor laws, company policies, and reporting requirements.
• Assist in HR audits and maintain data integrity across systems.
• Coordinate and manage onboarding and offboarding processes to ensure a seamless, positive employee experience.
• Recruiting and Talent Acquisition Partner with hiring managers to identify staffing needs and develop job descriptions.
• Post open positions and screen applicants Manage the candidate experience Conduct reference checks and assist with offer letter preparation.
• Run background checks
• Benefits Administration Support benefits administration including but not limited to, insurance and retirement plans.
• Support open enrollment and coordinate with benefits providers and payroll.
• Support compliance with applicable benefits laws and reporting requirements (e.g., ACA, FMLA, COBRA).
• Other duties as assigned

Benefits

• 100% company-paid health, dental, vision, life, and short-term disability insurance options
• Generous 401(k) contribution (no employee match required)
• Flexible PTO plus 10 company holidays
• Equity in a high-growth, VC-backed startup
• A fantastic, people-centered company culture
• Fully remote work environment
• Salary Range: $75,000–$100,000 annually

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed