About the role
At d-Matrix , we are focused on unleashing the potential of generative AI to power the transformation of technology. We are at the forefront of software and hardware innovation, pushing the boundaries of what is possible. Our culture is one of respect and collaboration. We value humility and believe in direct communication. Our team is inclusive , and our differing perspectives allow for better solutions. We are seeking individuals passionate about tackling challenges and are driven by execution. Ready to come find your playground? Together , we can help shape the endless possibilities of AI. About d-Matrix d-Matrix is the semiconductor company pioneering low-latency AI inference for data centers. The company has a current valuation of $2 billion, having raised $450M from investors including Microsoft's M12, Temasek, Samsung, SK Hynix, the Qatar Investment Authority, and Singapore's EDBI. Corsair, the company's flagship inference accelerator, is in full production and shipping to hyperscalers, neoclouds, and frontier AI labs. This is a rare opportunity to join a fast-growing AI infrastructure company at a pivotal moment in its growth.
About
the Role The Communications Manager is a versatile, hands-on role split across two critical functions: internal/recruitment communications and corporate social media. You'll be the person who ensures d-Matrix employees feel informed, aligned, and connected to the company's mission while also building the company's social media presence across LinkedIn, X, and other channels. This is a building role. You'll be working directly with the VP to establish internal comms processes, creating social media playbooks, and supporting a newly formed communications function with direct access to the CEO. If you thrive on variety, move fast, and care about both the craft of communicating with purpose and the mechanics of getting things done, this is for you. Key
Responsibilities Internal & Employee Communications (50%) Develop and execute internal communication strategy to keep employees aligned on company direction, milestones, and priorities Write and manage regular internal communications: office updates, all-hands updates, milestone announcements, and company newsletters Ensure employees hear company news from leadership before they read about it in the press Support employer branding and recruitment communications in partnership with HR — including careers page content, hiring narratives, and onboarding materials Support change management communications for organizational transitions, leadership hires, acquisitions, and policy updates Corporate Social Media (50%) Own day-to-day management and content execution across d-Matrix's corporate social media channels (LinkedIn, X, YouTube) Develop and maintain a social media content calendar aligned with corporate communications cadence, product milestones, events, and press coverage Draft social media posts for the corporate handles, including news amplification, thought leadership content, event coverage, and partner announcements Support the VP and PR Senior Manager with social media amplification of press coverage, executive posts, and campaign content Monitor social media engagement, track metrics, and report on performance Stay current on platform trends, AI industry conversations, and competitor social activity Team & Operational Support Provide operational support for the communications function: opening and tracking POs, managing vendor invoices, maintaining team files and tools Maintain and organize shared resources including messaging documents and content libraries Support event logistics and coordination as needed, in partnership with the VP and agency partners Help maintain the corporate website content in coordination with marketing colleagues What You Bring 3-5 years of experience in communications, social media, or content marketing – ideally in technology, B2B, or a startup environment Strong writing and editing skills across multiple formats: social posts, internal emails, newsletters, and short-form content Experience managing corporate social media channels and understanding of platform best practices (LinkedIn and X in particular) Organizational skills and attention to detail, i.e. you can manage multiple workstreams, track deadlines, and keep
