Submer
Director / Vice President, IT/OT
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Location: Global (Preferred: London, UK or United States)
About Rubix
At Rubix, we design and deliver end-to-end AI data center infrastructure — from site origination and development through to long-term operations. We partner with customers to scale AI with speed, efficiency, and sustainability, backed by secured land, power access, and accelerated delivery models. Rubix is part of the Submer Group, delivering the infrastructure and platforms AI runs on.
About The Role
We are seeking a strategic and hands-on Director or VP of IT/OT to lead the convergence of Information Technology (IT) and Operational Technology (OT) across our global data center portfolio. This role is critical in driving reliability, scalability, and security of infrastructure supporting high-performance computing environments, including next-generation data center technologies.
You will define and execute the IT/OT strategy, ensuring seamless integration across digital systems, physical infrastructure, and operational processes to support rapid growth and innovation.
What You’ll Do
Key Responsibilities
Strategy & Leadership
Develop and execute a global IT/OT strategy aligned with business and data center growth objectives Lead digital transformation initiatives across data center infrastructure Build and scale high-performing global IT/OT teams across multiple regions Serve as a key advisor to executive leadership on infrastructure, cybersecurity, and operational resilience
Data Center & Infrastructure
Oversee IT systems supporting mission-critical facilities (DCIM, BMS, EMS, etc.) Ensure high availability, uptime, and performance of data center infrastructure Drive standardization of systems, architecture, and processes across global sites Partner with engineering teams on design, build, and commissioning of new facilities
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IT/OT Convergence
Lead integration between enterprise IT systems and operational technologies Establish secure, scalable connectivity between data center assets and enterprise platforms Implement best practices for OT cybersecurity, including segmentation and risk mitigation
Cybersecurity & Compliance
Develop and enforce global IT/OT security frameworks aligned with international standards and industry best practices Ensure compliance with data privacy and infrastructure regulations across geographies Manage risk, incident response, and disaster recovery planning
Operational Excellence
Drive continuous improvement in uptime, efficiency, and cost optimization Implement monitoring, analytics, and reporting tools for real-time visibility Lead vendor selection, partnerships, and contract negotiations
Qualifications
What You’ll Need
12+ years of experience in IT, OT, or infrastructure leadership roles Strong data center experience (hyperscale, colocation, or enterprise environments) Proven leadership in IT/OT convergence within critical infrastructure environments Deep knowledge of: Data Center Infrastructure Management (DCIM) Building Management Systems (BMS) Network and systems architecture Industrial control systems Experience scaling global teams and operations Preferred Experience
Background in high-density compute, AI/ML infrastructure, or liquid cooling environments Experience with hyperscalers or data center operators Familiarity with edge computing, digital twins, and smart infrastructure Certifications such as CISSP, CISM, PMP, or relevant cloud certifications
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Key Competencies
Strategic thinker with strong execution capability Ability to operate at both executive and technical levels Strong stakeholder management across engineering, operations, and leadership teams Results-driven with a focus on scalability, efficiency, and innovation
Why Join
Opportunity to shape the future of next-gen data center infrastructure Work at the intersection of IT, OT, and advanced computing technologies Global impact in a fast-growing, innovative environment A pivotal role shaping Rubix’s global DBO model Direct involvement in high-impact, strategic deals at the forefront of AI infrastructure Opportunity to work across global markets and complex, multidisciplinary projects A fast-scaling, entrepreneurial environment with real ownership and influence Competitive compensation, performance incentives, and long-term equity participation You´ll be part of a fast-growing scale-up with a mission to make a positive impact, offering an exciting career evolution.
Our job titles may span more than one job level. The actual base pay is dependent on a number of factors, such as transferable skills, work experience, business needs and market demands.
Our inclusive responsibility
Rubix is committed to creating a diverse and inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other protected category under applicable law.
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