U.S. Benefits Administrator

F5 • Seattle, WA

10d • $72,000 - $108,000 • Hybrid

About The Position

The Benefits Administrator is responsible for the day‑to‑day administration, compliance, and communication of the organization’s U.S. employee benefits programs. This role ensures a high‑quality employee experience by managing benefits operations with accuracy, efficiency, and a strong customer‑service mindset. The ideal candidate has a solid understanding of U.S. benefits regulations and enjoys working in a detail‑oriented, fast‑paced environment.

Requirements

• 2–4+ years of U.S. benefits administration experience (health & welfare and/or retirement programs).
• Strong working knowledge of U.S. benefits regulations (ACA, COBRA, ERISA, HIPAA).
• Excellent attention to detail and ability to handle confidential information.
• Experience with HRIS/benefits platforms – Workday a plus.
• Strong analytical, organizational, and problem‑solving skills.
• Exceptional customer‑service focus and communication skills.

Nice To Haves

• Experience supporting multi‑state or multi‑site employee populations.
• Experience working with brokers or third‑party administrators.
• 401k and/or international experience a plus.

Responsibilities

• Manage daily administration of health, welfare, and retirement plans, including medical, dental, vision, HSA/FSA, life insurance, disability, EAP, and 401(k).
• Process employee enrollments, changes, terminations, and qualifying life event (QLE) adjustments.
• Assist employees with benefit questions, resolving issues promptly and professionally.
• Coordinate with third‑party administrators, brokers, and carriers to ensure accurate plan operations.
• Maintain compliance with ERISA, HIPAA, ACA, Section 125, COBRA, and other federal/state regulations.
• Support annual compliance filings (e.g., 5500, SAR, ACA reporting).
• Assist with annual audits, including 401(k) nondiscrimination testing and plan audits.
• Maintain accurate documentation and benefit records.
• Support planning and execution of annual open enrollment, including system setup, testing, and communication.
• Assist with updating employee materials, plan summaries, and digital content.
• Provide employee guidance during the enrollment period to ensure a smooth experience.
• Collaborate with benefits vendors to resolve escalated employee issues.
• Maintain accuracy in HRIS/benefits administration systems; audit data regularly.
• Help manage file feeds, eligibility files, and carrier connections.
• Process vendor payments.
• Develop clear and accessible benefits communications.
• Conduct benefits orientations for new hires and provide ongoing education to employees.
• Support wellness initiatives and benefits engagement programs.

Benefits

• You may also be offered incentive compensation, bonus, restricted stock units, and benefits.
• More details about F5’s benefits can be found at the following link: https://www.f5.com/company/careers/benefits.
• F5 reserves the right to change or terminate any benefit plan without notice.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed