Demo

Senior HR Assistant

Lensa
Washington, DC Full Time
POSTED ON 12/4/2025 CLOSED ON 12/29/2025

What are the responsibilities and job description for the Senior HR Assistant position at Lensa?

Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for Avantgarde. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice.

AvantGarde, LLC (AG) seeks to hire a Senior Human Resources Assistant (HRA) to support our client on site by providing broad-based administrative and technical assistance to a federal HR team (HR Director and HRIS Division Director) including, but not limited to, supporting all staffing and recruitment functions.

AG offers a comprehensive benefit package including a monthly commuter benefit and immediate 401k and medical enrollment. This is a full time, 40 hours per week position, work will be performed on-site.

This position REQUIRES previous FEDERAL EXPERIENCE with processing and coding personnel actions.

The WORK

  • Conduct new hire orientation for federal employees, review and analyze submitted documents, and finalize for processing.
  • Analyze, research and correct Standard Form 52’s and SF-50’s.
  • Code and process various types of personnel actions.
  • Process payroll documents (i.e., tax forms, child support, garnishments, benefits).
  • Ensuring completeness of files per actions processed.
  • Prepare SF-75’s for employees exiting the agency, separate and distribute SF-50’s to employees.
  • Conduct new hire orientation for USCP Civilian and Sworn employees.
  • Review and analyze information associated with employee service computation dates and make appropriate service date corrections. Conduct leave audits and make necessary corrections to leave balances.
  • Complete employment/wage verification forms
  • Assist the HR Assistants and Specialists as needed with personnel and payroll transactions.
  • Communicate with the NFC to resolve any problems with processing and/or systems.

The REQUIREMENTS

  • High School Diploma is required; an undergraduate degree in HR or related field is desired.
  • At least 2 years of experience providing general HR administrative and staffing support.
  • Must possess federal experience coding and processing various types of personnel actions.
  • Proficiency using the MS Office suite of applications.
  • Excellent writing skills with specific attention to detail.
  • Must possess and demonstrate excellent customer service skills.
  • Proficient researcher with good presentation skills.
  • Must be detail oriented, with good organization and time management skills.
  • Must be able to multi-task effectively and demonstrate the ability to prioritize and re-prioritize as needed in a fast-paced quickly changing environment.
  • Must be skilled in the use of common office equipment, including but not limited to copy, fax, and scanning machines.
  • Understanding of Federal Human Resources principals and processes.

Other Specifications

  • Must be willing to work onsite four days per week with the potential to work remote one day per week
  • Must be able to work M-F, 5 days a week. Alternative flex schedule is allowed within normal work hours (i.e., between the hours of 7 a.m. – 6 p.m.).
  • Must be able to obtain a Public Trust Clearance following USCP’s fingerprint/criminal background check process, which is unique to USCP.

The COMPANY

To learn more about AG click here: https://www.avantgarde4usa.com/about/

Since its establishment in 2011, AG has executed 110 federal contracts as Prime Contractor. For nearly a decade, we have provided extensive expert support to clients in the areas of human capital strategy, organizational transformation, workforce planning, workload assessment, talent management, training, and other areas of human capital management and organizational development. AG’s list of federal clients includes: the U.S. Departments of Justice, Transportation, Treasury, Agriculture, and Commerce, and Defense (Army, Navy, and National Guard) as well as the U.S. House of Representatives, Architect of the Capitol, the National Science Foundation, the Commodity Futures Trading Commission, the Corporation for National and Community Service, and to name a few.

AG’s core competencies bring together solutions that address the holistic needs of our clients in four key areas: People, Process, Strategy, and Technology. Our consulting solutions and service offerings extend across four distinct areas: Human Capital Management, Organizational Development, Business Operations Support, and Information Technology. We offer a comprehensive scope of services that are specifically designed to enhance organizational efficiency, effectiveness, and adaptability.

AvantGarde, LLC is an 8(a) certified (out of SBA Texas San Antonio District), Economically Disadvantaged Woman-Owned Small Business (EDWOSB), and Texas HUB certified small business.

When you consider joining AG learn about our Culture click here : https://www.avantgarde4usa.com/careers/culture/

The LAW

As an Equal Employment Opportunity employer, AvantGarde LLC makes all recruitment and employment decisions without regard to race, color, religion, age, sex (including gender and transgender status), national origin, disability status, marital status, veteran status, registered domestic partner or civilian union status, medical condition, genetic information, gender identity, sexual orientation, or any other characteristic or status protected by federal, state and local laws. AvantGarde hires and promotes individuals solely on the basis of their qualifications for the job to be filled.

If you have questions about this posting, please contact support@lensa.com

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