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Mattermost · 20 hours ago

Principle People Partner

United States

Full-time

Remote

Lead/Staff

$165K/yr - $200K/yr

8+ years exp

Mattermost is a leading collaborative workflow solution provider for critical infrastructure organizations. They are seeking a foundational HR leader to build and scale global People operations, focusing on Employee Relations, Performance Management, and Global Compliance while fostering a high-performance culture.

File SharingInformation ServicesInformation TechnologyMessagingSaaSSoftware

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Act as a global business partner to leaders across PD&E, GTM, and G&A

Navigate leadership “grey areas,” coaching managers on performance management and building high-potential, AI-enabled teams

Support the scaling of a high-performing, innovative culture

Lead the evolution of performance reviews toward continuous, AI-augmented feedback, moving beyond check-the-box cycles

Provide real-time coaching and guidance to leaders to reinforce a high talent bar

Partner with leadership to revamp the internal leveling framework to reflect the future state of work, including AI and digital labor

Identify core competencies and skills gaps to support growth and development planning

Own end-to-end Employee Relations, including investigations, complex case management, and advisory support

Develop and apply clear, fair policies that balance legal rigor with a culture of radical candor

Manage offboarding and employee transitions with care and consistency

Serve as a trusted advisor on performance, compliance, and career growth topics

Foster a positive, collaborative culture through open and transparent communication

Act as a bridge between employees and management to promote trust and clarity

Manage interpersonal conflicts, grievances, and internal investigations in partnership with executives and legal counsel

Strengthen and scale the U.S. Federal subsidiary operating under Facility Clearance (FCL) and TS/SCI requirements

Ensure compliance with security, regulatory, and operational standards, including clearance readiness for Five Eyes partners

Partner with Legal and Finance to resolve regulatory HR matters

Build and scale a U.S. Veterans Program, including SkillBridge and related networks

Partner with the VP, HR, FSO, and Co-Founders to clarify and operationalize matrix management structures aligned with FCL and business goals

Partner with the Senior Manager, HR Analytics & Systems to ensure the HR tech stack (HRIS, ATS) supports global growth and delivers clean, actionable data

Collaborate with the VP to identify opportunities where AI can automate routine HR work, allowing the People team to focus on high-impact human initiatives

Qualification

HR OperationsEmployee RelationsConflict ResolutionLabor LawPerformance ManagementGlobal ComplianceSystems MindsetCommunication

Required

8+ years of experience in HR Operations, with at least 3 years in a high-growth tech environment

Proven experience managing global employment entities outside the U.S. (UK, EU, etc.)

Deep expertise in Employee Relations, conflict resolution, and labor law

Strong systems mindset — you build processes, not just follow them, and are comfortable scaling from V1 to V10

Excellent communication skills, with the ability to translate complex legal or operational topics for non-HR audiences (e.g., Engineers, Product Managers)

This role may require the candidate to obtain and maintain a U.S. security clearance in the future. As such, applicants must be U.S. citizens and eligible to obtain a U.S. government security clearance