Purpose and Impact:
Are you an organized HR professional ready to take the next step in your career? Amentum is seeking a proactive HR Coordinator to provide critical operational and administrative support across our flagshipprograms. Inthis dynamic role, you will act as the engine room of our HR department, managing workflows across both Australian and USjurisdictions You will balance day-to-day administrative execution with active stakeholder engagement, ensuring ourdefenseprogram teams are fully supported.
Work Schedule:
Day shift – 5 days per week, 8 hours per day
Essential Responsibilities:
HR Workflow Coordination:Manage and process end-to-end personnel actions, contract variations, and onboarding workflows usingWorkdayand customer data systems.
Dual-Jurisdiction Support:Coordinate benefitsenrollmentfor US employees and superannuation workflows for Australian personnel.
Data & Compliance Ownership:Maintainabsolute data integrity across our AU/US HRIS and payroll systems, ensuring compliance with local legislation and strictdefenseaudit requirements.
Stakeholder Support:Serve as a trusted first point of contact for employees and managersregardingHR policies, procedures, and basic entitlements.
Process Improvement:Actively contribute to updating local HR policies, standard operating procedures (SOPs), and training documentation.
What You Bring
Experience:2+ years of experience in an HR administration, coordination, or support role (defense, contracting,government,or heavy industry experience is a major plus).
Systems Savvy:Proven, hands-on experienceutilizingWorkdayor equivalent enterprise-tier HRIS platforms, alongside strong MS Office skills.
Compliance Knowledge:A foundational understanding of Australian Fair Work regulations and/or USlaborstandards.
Core Strengths:High attention to detail, exceptional discretion when handling classified or confidential files, and the ability to communicate confidently with varied stakeholders.
Qualifications:Certificate IV in Human Resources (or a related Business discipline) and a valid Driver’s Licence.
Work Environment, Physical Demands, and Mental Demands:
Desk-based, sedentary role requiring prolonged use of computers.
Occasional lifting of office materials up to 5kg.
High cognitive demand requiring rapid context-switching between operational compliance tasks andadministrative data entry.
CommunicationRequirements
Excellentoral and writtencommunication skillswith operatingknowledge of SharePoint, Microsoft Office Suite, and integrated software applications arerequired
Security Clearance Required:
Minimum active or ability to obtainAustralianNegative Vetting (NV1)equivalentDepartment of Defense Security Clearance and ability tomaintainthat clearance Depending on ongoing mission needs and accessthe role requires,the candidate maybe requiredtoobtainahigherAustralian Top Secret Positive Vetting (TSPV)clearance.
Minimum Education:
Essential:Certificate IV in Human Resources
Minimum Years of Experience:
Essential:1+ years of experience in an HR administrative or coordinator role.
Essential:Proven experienceutilizingWorkdayor equivalent enterprise-tier HRIS platforms.
Highly Desirable:Experience supportingdefenseindustry programs or working within a dual AU/US corporate matrix.
Highly Desirable:Basic foundational knowledge of both the Australian Fair Work Act and USAFederal Labor Standards Act
Required Certifications: (if needed)
N/A
Qualifications:
Essential:Current open Driver’s Licence.
This position isdesignatedas a safety sensitive position.
As part of our commitment tomaintaininga safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel tocomply withcompany drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.
Other Responsibilities:
Safety- Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing andmaintaininga safe work environment. Asappropriate, each employeeis responsible forcompleting all training requirements and fulfilling all self-aid/buddyaid responsibilities,participatingin emergency responsetasksand serving on safety committees and teams.
Quality- Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations.Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.
Procedure Compliance- Each employee must read,understandand implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policiespertaining tohis/her job.
Qualified applicants will receive consideration for employment without regard to race,color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.
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Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.
