Demo

HR Assistant

Manufacturing Engineering System
Rockville, MD Full Time
POSTED ON 5/13/2026
AVAILABLE BEFORE 6/11/2026

Manufacturing Engineering Systems (MES), LLC is seeking a highly organized and detail-oriented HR Assistant to support day-to-day HR and administrative operations. This position is ideal for someone who is highly organized, detail-oriented, responsive, and able to manage multiple responsibilities efficiently.

This is a full-time hybrid position based out of our Pike & Rose office in North Bethesda, MD. During the training period, employees are expected to work three (3) days per week in the office. Upon successful completion of training, the schedule transitions to two (2) days in-office and three (3) days remote.


Compensation & Benefits

  • $22–24/hour
  • 80 hours of vacation leave
  • Up to 56 hours of sick leave
  • 11 paid holidays (including 5 days during the week between Christmas and New Year’s)
  • Medical, dental, and vision insurance
  • 100% employer-paid life insurance, short-term disability (STD), and long-term disability (LTD)
  • Voluntary life insurance options
  • 401(k) plan with employer match after one year of service
  • Immediate vesting on employer contributions


Essential Duties & Responsibilities

  • Assist with onboarding and new hire administration, including I-9 and E-Verify processing
  • Maintain employee personnel files and HR documentation
  • Assist with benefits administration and employee enrollments
  • Respond to employee HR-related questions and provide administrative support
  • Review employee timecards for proper coding
  • Assist with leave and PTO tracking
  • Support HR processes within ADP Workforce Now and other company systems
  • Answer and direct incoming phone calls and monitor shared HR inboxes and voicemails
  • Maintain HR records and ensure documentation is complete and accurate
  • Assist with employee communications and policy acknowledgements
  • Coordinate employee engagement initiatives, including employee recognition programs, employee of the month activities, and year-end holiday gifts
  • Order and maintain office and employee-related supplies as needed
  • Provide general administrative support to the CFO, HR and Operations teams


Qualifications

  • Minimum of two (2) years of HR or administrative experience required
  • Associate degree preferred
  • Proficiency in Microsoft Office products, including Outlook, Word, and Excel
  • Strong organizational skills with exceptional attention to detail
  • Ability to manage multiple priorities and meet deadlines
  • Strong written and verbal communication skills
  • Ability to handle confidential information professionally and discreetly
  • Experience with ADP Workforce Now is a plus


About MES

Manufacturing Engineering Systems (MES), LLC is a government contractor supporting military education, training, and simulation programs worldwide. MES operates in multiple states and overseas locations supporting the U.S. Army and Department of Defense mission.



All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, national origin, age, disability, or protected veteran status. MES, LLC takes affirmative action in support of its policy to recruit, hire, and advance in employment individuals who are minorities, women, protected veterans, and individuals with disabilities. Please click on the link below to view a federal government poster that explains your Equal Employment Opportunity Rights. http://www1.eeoc.gov/employers/poster.cfm.

MES, LLC. is a VEVRAA Federal Contractor.

'This job is a civilian position and does not require military service (including commission and enlistment)'

Salary : $22 - $24

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