HR Generalist

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At LUZCO, we’re more than an engineering firm. We’re a tight‑knit team of people who care deeply about what we do and who we work with. As an award‑winning, woman‑owned, minority‑owned boutique engineering firm, we’ve built a reputation for delivering world‑class work while creating a culture that feels like home. We’re proud to be a place where you can bring your authentic self to work every day and feel supported doing it.

We’re proud to be recognized as a 2025 Best Place to Work in St. Louis
, a reflection of our people‑first mindset and our belief that work should be both challenging and fulfilling. Our mission is simple: to provide innovative engineering solutions while building genuine, lasting connections with our clients and each other.

• Benefits that take care of you: Top‑notch medical, dental, and vision insurance; a competitive 401(k) match; generous PTO; and an employee recognition platform that celebrates your wins big and small.
• Flexibility that fits your life: We get that life doesn’t always stick to a schedule. You’ll work with your supervisor to create a schedule that’s flexible and works for both you and the team.
• Diversity that fuels innovation: Our team brings together a wide range of backgrounds, perspectives, and experiences. That diversity isn’t just something we talk about; it’s what drives our creativity and helps us find better ways to solve problems.
• Growth that feels personal: Whether you’re continuing your education, earning new certifications, or stepping into new challenges, we’re here to help you grow in the direction that’s right for you. You’ll collaborate with experienced mentors and leaders who want to see you succeed.
• A culture that gives back: We’re passionate about our communities. Every year, we dedicate paid time off for volunteering and encourage our team to use their talents to make a difference whether that’s mentoring students, serving local nonprofits, or getting hands‑on in community projects.
• A workplace that feels like you: We keep things relaxed and welcoming. Expect weekly happy hours, team lunches, a stocked kitchen, dogs in the office, and a casual dress code. It’s a space where you can be yourself and do your best work.

We’re looking for an HR Generalist to own payroll, benefits administration, and support key HR operations. This role is hands‑on and detail‑oriented, covering everything from onboarding and offboarding to ensuring compliance and accuracy in day‑to‑day processes. You’ll play a vital part in supporting employees and strengthening HR systems, while gaining exposure to a broad range of HR responsibilities in a collaborative and growing company.

• Process bi‑weekly payroll accurately and on time.
• Maintain main employee data, process new hires and terminations, and conduct new hire orientations.
• Administer benefits including enrollments, changes, terminations, COBRA, FMLA, and PTO.
• Support 401(k) administration and deferred compensation plans.
• Serve as the first point of contact for payroll and benefits questions.
• Work with legal and external counsel on immigration cases and compliance tracking.
• Assist with HR policy administration and compliance documentation.
• Support offboarding processes, including system terminations and exit tasks.
• Prepare reports, maintain files, and track employment verifications.
• Monitor work authorization due dates and ensure compliance.
• Other duties as assigned.

• Minimum of 3 years of experience in payroll and benefits administration; independent ownership of these functions strongly preferred.
• Proven experience processing payroll from start to finish, including handling terminations, expense reimbursements, and maintaining tax documentation.
• Strong working knowledge of HRIS platforms and payroll systems.
• Familiarity with benefits administration, including enrollments, terminations, COBRA, FMLA, PTO, 401(k) plans, deferred compensation, and ACA compliance.
• Solid understanding of federal, state, and local payroll regulations.
• Strong proficiency in Microsoft Excel (reports, data analysis, and…