You will work and influence across teams to ensure that cutting-edge security technologies and operational enhancements are integrated into CoreWeave's Data Center Security program, aligning with security standards, customer requirements and organisational objectives.

This Sr. Project Manager will execute project lifecycle activities for new security systems and operational deployments, partnering closely with Security Design and Commissioning, Networking, Security Engineering, Global Security Operations Center, Security Operations, DC Operations, and external vendors.

The role requires a strategic, technical physical security professional with an understanding of security systems architecture, security operations, project management methodologies, and the ability to influence technical and non-technical stakeholders in a fast-growing, high-performance environment.

Key responsibilities include:

• Project Management for Physical Security Initiatives: Lead the end-to-end deployment of new physical security systems and innovations, including Wireless Intrusion Detection Systems (WIDS), across multiple data centers.

• Cross-functional Implementation Oversight: Execute project lifecycle activities for large-scale physical security design and operational enhancements, partnering closely with Security Design and Commissioning, Networking, Security Engineering, GSOC, Security Operations and other teams as applicable.

• Project Planning & Execution: Build and maintain detailed project plans, scope, budgets, milestones, and metrics to ensure proactive reporting to leadership and predictable delivery of physical security initiative projects.

• Deployment Standards and Compliance: Ensure all new technology deployments align with security standards, internal privacy, legal and security reviews, and meet customer requirements.

• Documentation and Standardization: Develop and maintain standardized project management documentation, templates, and RACI matrices to ensure repeatable and scalable project management practices.

The ideal candidate will have:

• 5+ years of progressive project or technical program management experience focused on physical security deployments within data center or critical infrastructure environments.

• Strong technical understanding of physical security controls, systems architecture (Access Control Systems, Video Management Systems, Intrusion Detection Systems), and related compliance frameworks (e.g., ISO 27001, SOC 2).

• Proven proficiency in applying project management methodologies to lead and execute complex, cross-functional projects end-to-end.

• Expertise in developing detailed project plans, scope, budgets, milestones, and metrics, including proactive risk assessment and mitigation strategies.

• Excellent ability to navigate ambiguity, prioritize competing demands, and drive alignment and predictable delivery among technical and non-technical stakeholders.

• Relevant Project Management (e.g., PMP, Scrum Master) or Physical Security certifications (e.g., PSP, CPP) preferred.

Why us?

We work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values:

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and provides the opportunity to develop innovative solutions to complex problems. As we get set for takeoff, the growth opportunities within the organisation are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too.

Come join us!

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In this position, you will work closely with the Employee Payments Team to understand end-to-end payroll processes for U.S. employees, ensure compliance with local regulations, accurate data management, and timely payments. You will also address employee queries and collaborate with HR, external service providers, and finance teams.

Key responsibilities include:

• Processing payroll in adherence with federal, state, and regional pay guidelines (including UAW CBA), while ensuring employees are paid timely and correctly.
• Utilizing and understanding how to follow detailed Payroll Runbooks, assist in auditing payroll runs, including key pre-validations of data.
• Execution of payroll runs and other processes using Oracle Cloud Payroll System.
• After each pay period, review the variance analysis for earnings, tax deductions (i.e. FICA, Federal, State of Employment, State of Residency, Hypo Taxes, etc.), and other elements of pay and prepare an explanation of variance(s) if needed.
• Prepare Ops Review Metrics data and slides for the quarterly Op Review and Metrics meeting, as it relates to the balance adjustments and W-2/W-2C stats.
• Prepare balance adjustments for current tax year and corrections of W-2s for prior tax years in the payroll system, including, but not limited to:
• Unearned wages that are repaid, working in collaboration with other functional teams (the Earnings team within Payroll, Cash Application team, and Receivables team).
• State employment/residency, FICA exempt/non-exempt, and Federal tax corrections & refunds, working closely with local HR reps, People First HR team, and the payroll help desks.
• Assist with the year-end W-2 process, including, but not limited to:
• Work closely with other internal HR areas and external partners to ensure that all required information is included in employees’ payroll records and W-2s.
• Maintain and update the timetable (checklist) that tracks all W-2 year-end tasks to ensure all items are completed timely.
• Conducted multiple audit reviews and testing to ensure accuracy of employees’ payroll records, including their W2s.
• Understanding and maintaining accuracy of paid time off plan configuration and balances for both statutory and plans defined in the UAW CBA.
• Assist with supplemental unemployment payments for five states per the guidelines of the UAW CBA.
• Assist with the pay-related implementation of a new hourly timekeeping system.
• Fast-paced environment where attention to detail and a commitment to confidentiality are essential.
• Assist with research & resolution of all discrepancies, including all internal and external audit requests in a timely manner.
• Assist other internal business partners (i.e., HR, Employee Benefits Team, etc.) in implementing new or changes to existing FLSA, FMLA, and other common payroll compliance-related topics and/or programs.
• Troubleshoot system issues and test system configuration changes.
• Participate in continuous company improvement initiatives by identifying and correcting inefficiencies.

Requirements include:

• Bachelor's degree in accounting, finance, or a related field is required.
• 5+ years of experience processing and/or calculating payroll in a multi-state environment.
• Familiar with payroll software and systems is a must, including Oracle Cloud or a similar payroll system.
• Payroll tax experience is a must (international tax experience is desirable).
• Must keep abreast of legislative / regulatory updates and best practices for payroll including but limited to FLSA, FMLA, and other common payroll compliance-related topics.
• Understanding accounting principles (debits, credits, general ledger, month-end and quarter-end close, etc.).

Preferred qualifications include:

• Certified Payroll Professional (CPP) desirable.
• Must be proficient in Excel, Word, PowerPoint.
• Excellent interpersonal skills.
• Quick learner, self-motivated, can multi-task, and change priorities quickly.
• Proactive, excellent attention to detail, and strong analytical abilities.
• Good communication and presentation skills.

Salary and benefits:

This position is a salary grade 6 - 8 and ranges from $72,480 - 162,120.

For more information on salary and benefits, click here: https://fordcareers.co/GSR

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This role sits at the centre of global payroll excellence, owning end-to-end operations across multiple international regions including Australia, Canada, Ireland, and the United Kingdom. You'll provide strategic oversight to ensure accuracy, compliance, and scalability - leading year-end reporting, audits, and SOX controls with confidence. As a key driver of operational maturity, you'll optimise processes, manage best-in-class vendors like ADP Celergo, ActivPayroll, and Workday, and ensure seamless funding across currencies. Your work will directly elevate the efficiency, reliability, and integrity of payroll on a global scale.

Beyond operations, this role is deeply impactful and highly collaborative. You'll serve as the trusted escalation point for complex employee matters, bringing both expertise and empathy to every resolution. Partnering closely with HR, Benefits, and Finance, you'll ensure smooth payroll cycles, accurate accounting, and a predictable month-end close,owning everything from journal entries to accruals and variance analysis. This is an opportunity to shape systems, influence cross-functional outcomes, and build a world-class payroll function that supports employees and the business alike.

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As a SOC Manager, you will lead a blended team of full-time employees and third-party contractors, driving consistent excellence in operational delivery.

The successful candidate will be a proven leader with deep expertise in incident response and crisis management, outstanding communication abilities, and a track record of developing and coaching top-tier teams.

Responsibilities:

• Lead and manage a diverse GSOC team comprising full-time employees and vendor contractors, overseeing scheduling, training, mentoring, and performance evaluations to foster a high-performing unit.

• Develop, implement, and maintain comprehensive Standard Operating Procedures (SOPs) to standardize processes and deliver consistent operational excellence.

• Supervise security monitoring operations, leveraging tools such as Genetec for access control, video surveillance systems, AI analytics, and integrated platforms.

• Direct incident response protocols, including detection, triage, escalation, resolution, and clear, timely communication with executive stakeholders.

• Manage emergency notification processes using platforms like Envoy to ensure rapid and effective alerts.

• Partner collaboratively with cross-functional teams, including Corporate Security, Workplace, IT, and HR, to align security strategies with organizational objectives.

• Generate detailed incident logs, performance metrics, and post-incident reviews, while proactively identifying and implementing opportunities for continuous improvement.

Basic Qualifications:

• 5+ years of Corporate Security experience, with at least 2+ years in a managerial or supervisory role.

• 9+ years of combined security experience across corporate security, law enforcement, or military service.

• Documented military service or equivalent operational leadership experience

• Proficiency in Genetec Access Control and Video Management Systems.

• Familiarity with Envoy, Jira, Slack, and Google Workspace.

• Experience with AI analytics Software

• Strong incident management and crisis decision-making skills.

• Excellent written and verbal communication, capable of briefing executives clearly and concisely.

• A collaborative mindset and commitment to building high-performing, customer-focused teams.

Preferred Skills and Experience:

• CPP, PSP or equivalent certifications are a plus.

• 4+ years of leadership experience in military, law enforcement or emergency response.

• Familiarity with troubleshooting access control and video management systems.

• Experience in a safety function managing large sites, corporate, or manufacturing environments is desirable.

Compensation and Benefits:

$110,000 - $170,000 base salary + equity

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

ITAR Requirements:

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

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The successful candidate will provide strategic direction and operational leadership for all physical security functions for the RMS site, oversee the performance and management of all contracted security guard forces, and act as the lead for day-to-day physical security management of the RMS site. They will also conduct comprehensive, regular physical security assessments of facilities in the Southeastern region, identify potential physical security risks, and develop/implement effective mitigation strategies and enhanced security protocols.

Key responsibilities include:

• Site Leadership: Provide strategic direction and operational leadership for all physical security functions for the RMS site.
• Guard Force Management: Oversee the performance and management of all contracted security guard forces.
• Site Security Oversight: Act as the lead for day-to-day physical security management of the RMS site.
• Physical Security Assessments: Conduct comprehensive, regular physical security assessments of facilities in the Southeastern region.
• Risk Mitigation & Strategy Development: Identify potential physical security risks and develop/implement effective mitigation strategies and enhanced security protocols.

The ideal candidate will have a Bachelor's degree in Security Management, Criminal Justice, Business Administration, or a related field, and 3-5 years of progressive experience in physical security management, with a significant portion focused on regional oversight and guard force management.

In addition to the required qualifications, preferred qualifications include previous experience in the defense, aerospace, or technology sectors, familiarity with the unique security landscape and threats within the region, and relevant security certifications such as Certified Protection Professional (CPP), Physical Security Professional (PSP), or ASIS International certifications.

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About the Open Source Software team Our OSS team is embedded in our Science team and works very closely with various engineering and marketing teams. All OSS team members can fluidly move on the production / research spectrum depending on where the needs are or where their interests lie

Responsibilities • Releasing our models to open-source platforms and libraries, e.g., vLLM, GitHub, Hugging Face • Maintaining Mistral’s open-source libraries (mistral-common, mistral-finetune, mistral-inference) • Create and maintain tooling and services: both internal facing (internal research) and external facing (open-source libraries) • Implement and optimize open-source and internal libraries for performance and accuracy, ensuring production readiness and employing cutting-edge technology and innovative approaches • Collaborate with the open-source community (PyTorch, vLLM, Hugging Face)

About you • Master’s degree in Computer Science, Machine Learning, Data Science, or a related field • Experience contributing to popular open-source libraries such as PyTorch, Tensorflow, JAX, vLLM, Transformers, Llama.cpp, ... • Passion for contributing to the open-source software ecosystem • Expert programming skills in Python, PyTorch, MLOps • Adaptable, proactive, and autonomous • Attention to detail and a drive to go the last mile to build almost perfect tools • Deep understanding of machine learning approaches, especially LLMs and algorithms • Low-ego, collaborative and have a real team player mindset

Now, it would be ideal if you have: • Experience with training and fine-tuning large language models (e.g., distillation, supervised fine-tuning, policy optimization) • Experience working with Slurm • Worked with research teams before • Experience as a core-maintainer of a popular ML open-source library

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About the Role

OpenAI is seeking an Industrial Security Lead to help develop and scale a world-class industrial security program across multiple locations, including San Francisco, Washington DC. In this role, you will be responsible for building and managing secure facilities that enable work with Government partners, overseeing government-required personnel security programs, and ensuring strict compliance with U.S. government regulations. You will collaborate closely with government partners, contractors, and internal teams to safeguard sensitive projects and R&D initiatives.

Responsibilities

• Support tactical operations of the OpenAI’s industrial security program, partnering closely with GRC, facilities, and leadership to ensure compliance with NISPOM, ICD 705, DoD/IC regulations, and other federal requirements to enable rapid execution on OpenAI for Government’s strategic programs.

• Support multi-year security roadmaps to support OpenAI Public Sector projects, accredited facilities, and sensitive R&D initiatives, balancing the agile nature of our business with the timelines and requirements associated with US Government contracts.

• Be on the team supporting classified facilities, SOPs, Fixed Facility Checklists, and related documents.

• Participate in construction and accreditation efforts in partnership with government agencies, design engineers, and contractors.

• Ensure facilities meet and exceed required standards, with ongoing audits and readiness checks.

• Support all aspects of personnel security management associated with OpenAI Public Sector efforts, working directly with government partners to ensure compliance.

• Expert knowledge of using government databases such as DISS, NBIS, and Scattered Castles.

• Support implementation and operations of insider threat and continuous evaluation programs.

• Manage security onboarding, required reporting and approvals, and personnel readiness efforts to ensure staff can support OpenAI Public Sector efforts.

• Liaison with Government security representatives, ensuring smooth communication and compliance with clearances and facilities.

• Support all federal inspections, audits, and incident investigations, maintaining a best-in-class compliance record.

• Manage sensitive material control, secured communications COMSEC, and reporting requirements.

• Conduct risk assessments of relevant operations and drive mitigation initiatives.

• Develop advanced security training.

• Manage related OPSEC programs and Program Protection Plans.

Requirements

• Have 5+ years of experience in industrial security.

• Have an active TS/SCI security clearance Full Scope Polygraph.

• Have expert knowledge of the 32 CFR Part 117, Intelligence Community Directives and Special Access Programs. This is relative to personnel security, facility accreditations and operations, and classified communications.

• Have experience as an FSO, CSSO, or CPSO with DoD, IC and SAP customers.

• Have exceptional communication skills and executive presence, with experience briefing leadership and government officials.

Preferred

• Background in fast-paced AI, R&D, or high-tech environments.

• Advanced certifications such as ISP, CPP, or SPeD.

• Bachelor’s degree in Security Management, Criminal Justice, or similar.

• Experience using Security Controls, Threat S

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