Retirement & Payroll Benefits Specialist

Reston, VA


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Type: Contract

Category: Administrative

Reference ID: 10062636

Shortcut: http://addisongroup.gosnaphop.com/mvTcpB


Job Title: Retirement Plan & Payroll Specialist (Part-Time)

Industry: Financial Services / Nonprofit

Location (City, State): Arlington, VA - Hybrid format

Assignment Type: 4 - 5 Month Contract

Pay: $27 - 30 / hour (depending on experience)

Work Schedule: 20 hours per week; flexible scheduling determined with the manager

Benefits: This position is eligible for medical, dental, vision, and 401(k).


About Our Client:

Our client is a mission-driven organization committed to supporting service members, veterans, and their families. Their HR team is small, collaborative, and values mentorship, accuracy, and exceptional service.


Job Description:

Addison Group is seeking an experienced Retirement Plan & Payroll Specialist to support our client’s HR team. This part-time role is ideal for a retirement plan expert who enjoys balancing hands-on technical work with guiding and developing others. The specialist will manage daily administration of multiple retirement plans while also contributing to payroll accuracy and compliance.


Responsibilities

  • Manage day-to-day administration of multiple retirement plan types, including defined contribution and defined benefit programs.
  • Oversee compliance requirements such as annual testing, reporting, audits, and employee notices.
  • Serve as the primary contact for plan vendors and internal leaders.
  • Maintain and update retirement plan documentation and employee resources.
  • Ensure timely reconciliation and submission of participant contributions and employer funding.

Payroll Support

  • Assist with regular payroll cycles by reviewing entries, verifying deductions, and ensuring data integrity.
  • Support accurate processing of taxes, adjustments, and payroll reporting.
  • Partner with the HR Generalist to strengthen payroll and benefits workflows.

Employee & HR Support

  • Respond to employee questions related to retirement plans and payroll.
  • Help manage HR ticketing workflows by triaging and resolving retirement-related inquiries.
  • Uphold strong service standards and maintain confidentiality at all times.

Qualifications:

  • 3–5+ years’ experience managing internal retirement plan operations (401k, 457 plans, pension programs).
  • Strong understanding of payroll functions, payroll taxes, and benefits deductions.
  • Experience reconciling contributions and coordinating with retirement plan vendors.
  • Confident, articulate communication style with the ability to guide and support team members.
  • Bachelor’s degree preferred but not required.
  • Passion for supporting mission-focused organizations and working with military-affiliated teams.
  • Ability to work onsite and within a secure base environment.
  • Must be authorized to work in the U.S. without sponsorship.

Additional Details:

  • Reports to the HR Director.
  • Small HR team of three; highly collaborative environment.
  • Start date: Before the holidays!

Perks:

  • Opportunity to share your expertise while working part-time.
  • Meaningful mission supporting military families.
  • Chance to mentor and develop an HR team member.


Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.


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