Senior HRIS Specialist

Allen Control Systems•Austin, TX

About The Position

Allen Control Systems (ACS) is a cutting-edge defense startup founded by two former Navy electrical engineers with a proven track record in robotics and software. We are developing an autonomous gun turret using advanced computer vision and control systems to precisely detect, track, and neutralize enemy drones. With an engineering-first culture, ACS values technical excellence and innovation. Backed by our founders’ successful exits from two previous ventures acquired for a combined $180M in 2022, we are committed to ensuring that the groundbreaking technologies we develop will have a real-world impact. We are looking for a Senior HRIS Specialist to own ACS’s Rippling HRIS platform during a critical growth phase. You will be the Rippling expert for the organization, advising HR, Finance, and leadership on platform configuration, optimization, reporting, and data-driven HR insights. This is a technical, systems-focused role that bridges HR business needs with Rippling platform capabilities, ensuring accurate employee data, seamless integrations, and actionable analytics across payroll, benefits, recruiting, and IT as we scale rapidly.

Requirements

5+ years of HRIS administration experience, including at least 2 years at a senior or specialist level managing an HRIS platform.
Strong understanding of HRIS workflows, automations, integrations, and reporting; experience managing data integrity, org charts, employee records, and master data.
Proficiency with reporting and dashboard creation; experience configuring HRIS integrations with external systems including recruiting, time tracking, and benefits providers.
Understanding of HR processes and compliance requirements (ADA, HIPAA, I-9, wage/hour, data privacy); ability to work with both HR business users and technical IT or vendor partners.
Excellent organizational, communication, and problem-solving skills; ability to maintain confidentiality and handle sensitive employee data with professionalism.

Nice To Haves

Direct Rippling experience; Rippling certification or Rippling expert badge holder strongly preferred.
Experience implementing HRIS at a startup or high-growth company scaling from 50 to 500+ employees.
SQL or API knowledge for working with Rippling data feeds and integrations.
Knowledge of ACA, FMLA, WARN Act, and EEO-1 reporting requirements.

Responsibilities

Own Rippling platform administration: configure and optimize for ACS’s needs, manage user access and permissions, maintain workflows and automations across payroll, benefits, onboarding, and offboarding, and stay current on feature updates.
Own employee data accuracy and integrity; manage master data including demographics, org structure, compensation, and employment status; conduct regular audits and maintain data governance standards and validation rules.
Manage Rippling integrations with Ashby, time tracking, expense management, benefits vendors, and other external systems; develop automated data workflows to reduce manual entry; monitor integration health and troubleshoot sync issues.
Design and build Rippling reports and dashboards for leadership and managers covering headcount, turnover, hiring pipeline, compensation, and org structure; support strategic HR planning with data analysis and present insights and recommendations to leadership.
Ensure Rippling configurations meet compliance requirements (HIPAA, ADA, I-9, data privacy); maintain data security and access controls; support audit documentation; respond to employee and manager Rippling questions and provide ongoing training and support to all users.