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Human Resources Administration Specialist

NISA Investment Advisors, LLC
St. Louis, MO Other
POSTED ON 10/3/2025 CLOSED ON 12/24/2025

What are the responsibilities and job description for the Human Resources Administration Specialist position at NISA Investment Advisors, LLC?

Overview

NISA Investment Advisors, LLC (NISA) offers customized investment solutions for tax-exempt and taxable institutional clients. NISA manages over $295 billion in fixed-income and equity securities and over $165 billion in derivative notional value. We seek bright, motivated individuals who can contribute to our growing team of professionals. Candidates with a high degree of independent thinking, strong analytical and quantitative skills, and team-playing abilities are encouraged to apply.

Responsibilities

World-leading organizations rely upon NISA to manage highly customized, risk-controlled, long-term investment strategies. Based in downtown Clayton, NISA’s 400 colleagues work collaboratively together to provide clarity to complicated challenges faced by our clients. Because our workforce is central to what we do, we are currently in search of an Employee Benefits Specialist who can help us continue to support NISA’s business strategy by meeting the ever-evolving needs

of our workforce.

 

Specifically, in this role, we need a systems thinker who is excited to be on the front line of serving our workforce and leadership teams, a person with relative exposure to human resources and employee benefits administration, someone astute with HRIS and HCM systems, and someone who seeks to progressively grow these responsibilities over time, helping us mature and materially improve all aspects of our work. Immediate core responsibilities will include:

  • Employee support: act with urgency and accuracy as the first point of contact for employee questions regarding HR policies, benefits, and other related issues
  • Record keeping: organize, maintain, and update employee and HR records in both physical and digital formats, and drive overall efficiency through optimization of tools and systems
  • Onboarding and offboarding: ensure a flawless new hire experience by carefully managing and continuously improving the onboarding process for new employees, including all relevant paperwork, coordination of orientation activities, and the like
  • Compliance: help ensure that HR practices and employee records comply with local, state, and federal laws and regulations
  • Benefits and payroll support: support the administration and evolution of employee benefits programs and the primary liaison to the payroll department
  • Reporting: prepare timely and accurate reports as needed, and provide thoughtful analysis of data to support planning and decision-making

Qualifications

  • Organizational and administrative skills: strong ability to manage time, maintain records, exceptional attention to accuracy and detail, and handle multiple tasks
  • Communication skills: excellent written and verbal communication skills to interact with employees and external partners 
  • Confidentiality: ability to handle sensitive and confidential information with integrity and professionalism
  • Technical proficiency: comfort with computer systems and software, especially Human Resource Information Systems (HRIS), ideally ADP Workforce Now
  • Education: bachelor's degree in human resources, business administration, or a related field
  • Soft skills: remaining agile; as a member of a small HR team, no two days will be quite the same
  • Experience: 3 years of related experience preferred, but the drive to learn and ability to contribute can be evidenced in other ways

 

NISA’s culture encourages collaboration and innovation. We seek self-motivated, intellectually curious individuals willing to push themselves and others in an environment that celebrates fresh thinking. We equip employees with the resources needed to excel and we encourage personal development. NISA is dedicated to internally cultivating and rewarding talent. Employees at NISA are provided with a wide range of benefits, including health, dental, vision and life insurance options, paid time off, a competitive retirement plan, onsite cafeteria, fitness center, a health and wellness program and an educational assistance program.

 

NISA is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

Salary : $165 - $295

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