Human Resources Administrator (Temp Assignment)

Kastle Systems; Seattle (WA); On-site; USD 71,635,000 - 91,610,000; Full time

Job summary

Kastle Systems is seeking a detail‑oriented HR Administrator for a temporary assignment to support talent acquisition, payroll administration, HR reporting, and process documentation in a fast‑ paced environment.

The role emphasizes coordinating recruiting logistics, ensuring accurate HR records, and assisting with benefits and payroll tasks while maintaining confidentiality and professionalism.

Qualifications

• 1+ year in an administrative, HR, recruiting, or similar support role.
• Excellent organizational skills and attention to detail.
• Strong written and verbal communication; ability to handle confidential information.

Responsibilities

• Coordinate interview scheduling and recruitment logistics to support a positive candidate experience.
• Provide administrative support across recruiting processes, postings, ATS, interviewing, and onboarding activities.
• Support benefits and payroll administration, including employee updates and leave tracking.
• Maintain accurate employee records across HR systems and trackers.
• Assist with HR reports, trackers, and workforce data for ongoing activities.
• Develop and document HR processes, workflows, templates, and resources to promote consistency.

Skills

Organizational skills

Attention to detail

Communication skills

Discretion/confidentiality

MS Office proficiency

Spreadsheet proficiency

Recruiting logistics

Tools

Microsoft Office

Excel

Applicant Tracking System (ATS)

Job description

Kastle Systems

Human Resources Administrator (Temp Assignment)

Job ID: 2026-5236

# of Openings: 1

Category: Human Resources

Overview

Together, We Enhance Innovation and Growth

i2G specializes in advanced physical electronic security and life safety solutions. I2G has proven experience in surveillance, access control, and intrusion detection systems, biometrics, fence sensors, radars, ground sensors, anti-drone technologies, and more. We excel in design, project management, commissioning, and enterprise technology integrations.

i2G's mission is to provide the products and services that meet our customers' needs to give them a vital advantage in today's market, helping to protect what matters most.

We are seeking a detail-oriented and organized HR Administrator to join our team on a temporary assignment, providing administrative and operational support across key Human Resources functions. This role will primarily support talent acquisition logistics, benefits and payroll administration, HR reporting, and process development/documentation.

The successful candidate will be dependable, proactive, detail-oriented, and comfortable supporting a variety of HR activities in a fast-paced environment. This is a great opportunity for someone with administrative or early-career HR experience who is looking to broaden their exposure to multiple areas of Human Resources.

Responsibilities

• Coordinate interview scheduling, recruiting logistics, and candidate communications to support an organized and positive candidate experience.
• Provide administrative support throughout the recruiting process, including job postings, applicant tracking, interview coordination, and onboarding activities.
• Support benefits and payroll administration, including employee updates, leave tracking, and documentation
• Maintain accurate and up-to-date employee records across HR systems, files, and trackers.
• Assist with the preparation and maintenance of HR reports, trackers, and other workforce data to support ongoing HR activities.
• Support the documentation and development of HR processes, procedures, workflows, templates, and resources to promote consistency and efficiency.
• Provide general administrative and project support across HR initiatives and day-to-day operations as needed.

Qualifications

• 1+ year of experience in an administrative, Human Resources, recruiting, or similar support role.
• Strong organizational skills with a high level of attention to detail and accuracy.
• Ability to manage multiple tasks and priorities in a fast-paced environment.
• Strong written and verbal communication skills.
• Ability to handle confidential and sensitive information with professionalism and discretion.
• Comfortable working with spreadsheets, reports, and administrative systems.
• Proficiency with Microsoft Office, including Excel, Word, and Outlook.

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