Senior Manager, HR Operations

At Mattermost, we build the #1 collaborative workflow solution for defense, intelligence, security, and critical infrastructure organizations. Trusted by governments, financial institutions, and technology companies, our platform enables secure, efficient operations for the world’s most critical teams.

We’re dedicated to empowering organizations to operate with confidence, reducing risks, and accelerating productivity. Guided by our core values of Customer Obsession, Earn Trust, Self Awareness, Ownership and High Impact, we collaborate closely with our customers to deliver solutions that meet complex needs and drive success.

To learn more, visit www.mattermost.com

We are seeking a dynamic and experienced Senior Manager, HR Operations to lead and scale our HR operations in a fast-growing, mission-driven organization. This critical leadership role will shape the foundation of our HR systems, processes, and compliance, supporting our mission of accelerating innovation in defense, government, and critical infrastructure enterprises. This is an IC role that will act as a strong right-hand to the VP, People, and responsible for influencing and operationalizing the HR Operations strategy. If you are passionate about HR, excited to support a mission-oriented organization, and eager to make a meaningful impact, we’d love to hear from you!

Key ResponsibilitiesHR Operations & Compliance

-Oversee HR systems, metrics, compensation programs, US benefits administration, and

compliance.

-Ensure legal compliance by monitoring and implementing applicable federal and state HR

regulations and best practices while supporting Corporate and Culture initiatives.

-Use data and metrics to drive decision-making and continuous process improvement.

-Design and implement scalable HR programs to support organizational growth and evolving

business needs.

Organizational Effectiveness & HR Analytics

- Build and maintain HR Dashboards to assess HR performance with metrics to improve

organizational effectiveness and drive long-term HR initiatives.

- Partner with senior leaders and cross-functional stakeholders to develop and streamline

processes, leveraging AI and technology to improve efficiency and reduce administrative burdens.

- Drive policy and process adoption through change management initiatives across the

organization related to HR operations.

- Provide guidance and change management support to the HR team as it relates to system

optimization and process efficiencies.

Culture & Team Development

- Foster a high-performing, inclusive, and high accountable remote-first culture that aligns with

Mattermost’s mission to advance mission-critical work in Defense, Intelligence, Security and

Critical Infrastructure organizations.

- Promote global workforce growth and development, supporting a talented team across diverse

geographies.

QualificationsRequired Qualifications

- Bachelor’s degree in HR, Business Administration, or a related field.

- 8-10 years of progressive HR operations experience, with a proven track record of scaling HR

functions in companies with 500–1,000 employees.

- Advanced proficiency with HRIS systems, HR technology platforms, and Excel for data analysis

and reporting.

- Strong knowledge of HR compliance and employment laws.

- Exceptional communication and interpersonal skills.

Preferred Qualifications

- Experience in mission-driven organizations focused on defense, intelligence, security, or critical

infrastructure.

- Ability to leverage AI and technology to streamline HR processes and improve efficiency.

- Strategic mindset with a demonstrated ability to execute in fast-paced, dynamic environments.

$145,000 - $160,000 a year

Why Join Us?

Comprehensive health benefits.

Remote-first or flexible work environment.

Opportunities for professional growth and development.

Generous PTO and holiday policies.

Be part of a mission-oriented team that drives innovation and impact in critical industries.

If you’re passionate about HR innovation and excited to make a meaningful impact, we’d love to hear from you. Join us in shaping a high-performing team culture that accelerates mission-critical work across the globe!

Mattermost is an EEO Employer. We are a remote-first, open-source company.

We are constantly working towards adding more countries/regions to this list, but first we need to make sure we are compliant with local laws and regulations, which takes time.

Mattermost is made up of people from a wide variety of backgrounds and lifestyles. We embrace diversity and invite applications from people from all walks of life. We don't discriminate against staff or applicants based on gender identity or expression, sexual orientation, race, religion, age, national origin, citizenship, disability, pregnancy status, veteran status, or any other differences. Also, if you have a disability, please let us know if there's any way we can make the interview process better for you; we're happy to accommodate!