Onboarding Specialist - Part Time

Under general supervision of the HR Manager and Recruiting Supervisor, the Onboarding Specialist (OS) will provide administrative support to the Recruiters on the Antarctic Support Contract (ASC) in Centennial, CO. The OS will contribute to the overall success of the Recruiting Group by providing instruction and support to candidates preparing to deploy for contract work in Antarctica while assuring a high level of customer service and maintaining quality throughout the staffing process. During the peak periods, will be responsible for managing 200+ candidates.

Position Responsibilities:

• Responsible for onboarding of all assigned candidates: collecting and processing of HR paperwork and guiding candidates through the Physical Qualification (PQ) process for deployment; administer background and drug screenings
• Make initial determinations and recommendations on candidate background and drug screenings; follow-up with candidates to obtain supporting documentation for employment and education verification; present supplemental documentation for background screenings to the Recruiter for final approval
• Provide frequent instruction, support, and pertinent pre-deployment details to candidates: assist in scheduling and billing of PQ appointments, communicate important timelines and deadlines for progressing through the process up until deployment
• Accurately submit and maintain participant files within the Pipeline database; regularly track changes in medical/deployment status and communicate to the appropriate parties
• Correspond with candidates via phone and email on a daily basis to ensure proper submission of required documents and overall engagement with on-boarding procedures; send, receive, and track employment documents via email, fax and overnight mail
• Maintain accurate staffing updates within daily reports and Excel spreadsheets
• Collect and review candidate expense reimbursement requests to ensure accuracy and compliance with PAE reimbursement policies; may assist with setting up direct bill options for candidates to complete the PQ process
• Works closely with the ASC Travel Department when making decisions about ticketing candidates: regularly exercises independent judgment when deciding if a candidate’s scheduled flight should be adjusted due to outstanding PQ/HR requirements.
• Works closely with the University of Texas Medical Branch (UTMB) to help facilitate questions for candidates and PQ status updates; decide which candidates are high priority and provide a weekly status report to UTMB.
• Provide guidance to candidates on program and company policies; may assist with providing ASC Program overview for new hires
• Responsible for managing confidential information to include background, medical, banking and other pre-employment paperwork.
• Acts as a continued resource once candidates are hired to answer questions, help mitigate grievances and concerns that are brought forth.
• Responsible for identifying potential concerns and “red flags” in candidates that are working through the onboarding process; document concerns and provide detailed and accurate statements to both the Recruiter and Hiring Manager for further investigation.
• Perform other duties as assigned

Required Education, Experience, Certificates and Licenses:

• High school diploma or GED
• Minimum two (2) years of prior administrative experience within a high volume, fast paced customer service environment

Expected Skills and Competencies:

• Must have excellent written and verbal communication skills, including phone and email etiquette
• Must be detail oriented with excellent time management skills; able to maintain confidentiality as appropriate
• A great team attitude and ability to work harmoniously with others
• Proficiency in Microsoft Outlook, MS Excel, MS Word, and Adobe Acrobat Pro, as well as utilizing various internet search functions.

Preferred:

• Experience in maintaining information in an Applicant Tracking System or other database
• Bachelor’s Degree or equivalent work experience

Physical and/or Other Requirements:

• Successful completion of federal background check required by the NSF

       

Compensation Details:

$20.00

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

 

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

 

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

10/13/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

       

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.