Infrastructure Engineer

• Build and maintain data pipelines that generate training datasets for machine learning models and experimentation
• Contribute to infrastructure that supports distributed training workflows (e.g., PyTorch, Ray)
• Work with workflow orchestration tools (e.g., Airflow, Flyte, or similar) to support multi-stage ML pipelines
• Improve reproducibility and reliability through dataset validation, monitoring, and testing
• Partner with ML engineers to support experimentation and model iteration
• Help optimize performance and efficiency across data processing and training systems
• Contribute to the evolution of our offline ML platform architecture as it scales

ML Infrastructure Engineer – Early Career/Internship

• Manage and maintain core Microsoft infrastructure services including Windows Server, Active Directory, DNS, DHCP, and file services; working knowledge of Linux.
• Design and implement enhancements and dependent solutions as the environment evolves toward a unified hybrid infrastructure model.
• Administer, support, enhance, and implement new solutions for hypervisor and hyperconverged environments including Hyper-V and Azure Local.
• Manage clustering and high availability configurations across both platforms.
• Administer and enhance storage platform configurations including NetApp SAN and HPE Nimble; leverage NetApp Cloud Insights for storage and compute monitoring.
• Administer existing SQL Server Enterprise platforms including high availability and disaster recovery configurations.
• Design and implement new solutions spanning on-premises and Azure SQL services.
• Administer and maintain data protection and recovery platforms including Rubrik Security Cloud and Azure Site Recovery as part of an integrated hybrid DR strategy.
• Administer and enhance security platforms including Tanium endpoint security and Microsoft Defender for Cloud.
• Leverage Arc-enabled capabilities to extend security visibility and continuously improve security posture across hybrid environments.
• Manage and maintain certificate lifecycle and PKI infrastructure using Palo Alto certificate management; support public certificate management through DigiCert.
• Administer and enhance infrastructure monitoring platforms including New Relic and Azure Monitor.
• Respond to alerts and incidents while driving improvements to monitoring coverage and capabilities.
• Design, deliver, and maintain hybrid infrastructure solutions across Azure and Azure Arc environments using established IaC practices with Terraform, Terraform Cloud, and GitHub.
• Implement supporting components including managed identities, Key Vault, diagnostic logging, and NSGs in compliance with established policies and standards.
• Contribute to the design and delivery of modular, self-service infrastructure solutions across the hybrid ecosystem.

Senior Hybrid Infrastructure Engineer

• Architect and maintain scalable, reliable infrastructure: Design and optimize infrastructure for high availability, fault tolerance, and performance across distributed systems.
• Lead incident management and root cause analysis: Own incident response processes, ensure swift resolution of issues, and drive post-incident improvements to prevent recurrences.
• Service monitoring and automation: Build and maintain automated monitoring, alerting, and healing systems that improve system health, reduce manual intervention, and minimize downtime.
• Performance tuning and capacity planning: Identify bottlenecks and optimization opportunities, and implement scaling strategies to handle traffic spikes and growing workloads efficiently.
• Collaborate with cross-functional teams: Work closely with software engineers, product teams, and DevOps to enhance system reliability and delivery pipelines.
• Improve operational processes: Champion continuous improvement initiatives in deployment, scaling, and performance testing, while advocating for the adoption of SRE best practices across the organization.
• Mentorship and leadership: Provide technical mentorship to junior engineers, contribute to strategic decisions around infrastructure, and ensure best practices are implemented at scale.
• Be proactive and innovative: we rely on your feedback to build a world-class product.
• Be a part of a team that believes in the core values of transparency, collaboration, grit, and humility; in going above and beyond what is required to do the right thing for our customers and the company; and in having fun while doing all this!

Senior Infrastructure Engineer

• Meet with business teams to provide optional technology solutions for application delivery to remote users at corporate sites, branch offices, and outsourced locations.
• Utilize entire suite of Citrix and Virtual products including Citrix Cloud (DaaS), ControlUP, LiquidWare, Citrix App Layering, Azure and VMWare ESX/VCenter.
• Manage servers and desktops within a VMware ESX environment, including utilizing VMWare and Citrix software to manage thousands of virtual servers which support a user base of 65,000+ colleagues throughout the company.
• Lead diverse team of industry experts supporting 65,000+ colleagues globally using Citrix products and tools.
• Define and drive the strategic direction of the Citrix infrastructure and related virtualization technologies.
• Align Citrix engineering initiatives with broader IT and business goals.
• Promote team development by providing training opportunities and stretch assignments.
• Foster a collaborative and high-performance team culture.
• Oversee hiring, training, and performance evaluations.
• Drive automation and optimization of Citrix operations and infrastructure.
• Collaborate with cross-functional teams including networking, security, desktop support, and application teams.
• Communicate effectively with senior leadership and business stakeholders.
• Translate technical concepts into business value and impact.
• Lead proof-of concept initiatives and pilot programs.

Senior Infrastructure Engineering Manager

• Design end-to-end AWS cloud infrastructure solutions to support enterprise applications, data platforms, and business critical services.
• Create high-availability, disaster recovery, and multi-region strategies.
• Develop migration strategies for transitioning on-premises workloads to AWS.
• Contribute to cloud strategy and technology roadmaps.
• Oversee deployment of Infrastructure as code (IaC) using tools like Terraform, AWS CloudFormation or CDK.
• Establish and enhance continuous integration and continuous delivery pipelines to streamline software deployment and infrastructure updates.
• Ensure observability, monitoring and logging using AWS CloudWatch, X-Ray or third-party tools.
• Design architecture that meets security, governance, and regulatory compliance requirements (HIPAA, FedRAMP, SOC 2 etc.) as applicable.
• Implement IAM best practices, encryption strategies, and secure networking.
• Partner with developers, DevOps engineers, and business stakeholders to ensure solutions meet mission-critical needs.
• Diagnose and resolve complex technical issues related to cloud infrastructure, ensuring high performance and reliability.
• Provide technical leadership, mentoring, and guidance to engineering teams.
• Stay current with emerging cloud technologies and trends, evaluating and recommending new solutions to enhance our capabilities.

Cloud Platform Infrastructure Architect

• Lead technical deployment and lifecycle management of core platforms
• Provide senior resource support for IT service desk and complex configurations
• Manage and optimize SharePoint Online
• Adapt and scale global infrastructure for international expansion
• Partner with Information Security for vulnerability remediation
• Provide high-level technical support for complex issues
• Deploy infrastructure monitoring tools for proactive tracking

• Design, implement, and manage cloud infrastructure solutions on Microsoft Azure.
• Provision and configure Azure resources such as virtual machines, storage accounts, and networking components.
• Automate deployment and management processes using tools like Azure DevOps, ARM templates, and PowerShell.
• Monitor and optimize the performance, scalability, and availability of cloud environments.
• Implement security best practices and ensure compliance with industry standards and regulations.
• Collaborate with development and IT operations teams to support application deployment and maintenance.
• Troubleshoot and resolve cloud-related issues and incidents.
• Provide guidance and training teams on Azure services and best practices.
• Stay current with the latest Azure technologies and trends to drive continuous improvement.

Senior Azure Infrastructure Engineer

• Own the rollout and operational management of AI-assisted development tools across engineering (e.g., Cursor, Copilot, Claude Code)
• Define and implement access controls, license management, and usage policies that satisfy SOC2/ISO 27001 requirements
• Build cost tracking and reporting so leadership has visibility into AI tool spend and usage patterns across the org
• Reduce friction for engineers adopting these tools while maintaining security and auditability
• Partner with teams across the org to identify, build, and support internal AI applications such as RAG pipelines, agents, and automation workflows
• Evaluate and recommend tooling, frameworks, and patterns based on what teams actually need
• Define where IaaS’s responsibility ends and consuming teams’ begins – this boundary doesn’t exist yet; you’ll help draw it
• Advise on data governance policies for LLM usage, including what data can go into which models, where outputs are stored, and how audit trails are maintained
• Ensure AI infrastructure and tooling meets existing SOC2 and ISO 27001 controls and can be evidenced in audits
• Provide leadership with clear, regular reporting on AI adoption, cost, risk, and usage across the org
• Stand up and manage AI/ML infrastructure, primarily on GCP (Vertex AI) within OpenVPN’s existing environment
• Design the Terraform modules and IaC patterns for AI infrastructure that follow the team’s existing conventions (e.g., Atlantis-driven GitOps workflows)
• Build visibility into AI/ML infrastructure costs and implement controls (spot instances, auto-scaling policies, idle resource cleanup) consistent with how compute costs are managed elsewhere
• Evaluate build-vs-buy decisions for AI/ML infrastructure components and managed services with an eye toward operational fit within existing patterns

Infrastructure Engineer – AI Platform

• The Infrastructure Engineer will work on cross functional teams to build scalable infrastructure for our government -- designing, implementing, and delivering services that millions of Americans depend on.
• As a Senior Infrastructure Engineer, you may be responsible for technical leadership of platform infrastructure projects supporting dev teams and large-scale systems with a strong focus on automation, organization, and communication.
• Your work enables application development teams to run effectively in the cloud to deliver users a modern experience.
• You will be responsible for delivering on client requirements as well as providing long-term oversight and vision to help shape future work.
• Your strong cross-functional communication skills will complement your technical leadership skills to provide the highest value for government systems.

Infrastructure Engineer – Mid/Sr

• Onboard with your squad and the broader engineering organization
• Learn HackerOne’s infrastructure, tooling, and workflows (AWS, Terraform, Kubernetes, Ruby on Rails, GraphQL, etc.)
• Become familiar with our reliability, security, and incident management practices
• Participate in the on-call rotation with support from teammates
• Take ownership of a scoped infrastructure project and deliver incremental improvements
• Build working relationships across engineering and adjacent functions
• Independently deliver infrastructure changes that improve reliability, performance, or security
• Understand how infrastructure supports product and customer needs, and translate requirements into practical technical solutions
• Contribute to operational excellence through runbooks, automation, and system improvements
• Design, implement, and maintain cloud infrastructure using infrastructure-as-code
• Collaborate with cross-functional partners to execute on infrastructure initiatives
• Participate in an on-call rotation (one week every four weeks) and help maintain system reliability
• Contribute to a positive team culture by sharing knowledge and supporting teammates
• Continuously improve your technical skills and operational effectiveness

Infrastructure Engineer III

• Serve as the primary interface to the Government for all infrastructure engineering support
• Support the full range of infrastructure engineering services including: Network engineering, Security engineering, Site installation engineering, Data center design, Third party network access engineering, Backup and storage engineering, Infrastructure patch management, Integration and testing, Research and technology innovation
• Oversee and manage delivery of design and development for all infrastructure engineering tasks
• Ensure quality delivery of Engineering Tier 3 support to resolve network outages

IT Infrastructure Engineering Lead

• Serve as the primary engineer and platform owner for the firm’s Identity & Access Management ecosystem, with emphasis on Okta, lifecycle workflows, and automation patterns.
• Triage incidents and calls.
• Independently analyze, solve, and correct issues in real time, providing problem resolution end-to-end.
• Manage and monitor Identity and Access controls through Okta and Entra/Active Directory.
• Create, support, and maintain Okta configurations to support access to business applications, Single Sign-On, SAML, SCIM, Multi-Factor Authentication, and lifecycle management.
• Create, support, and maintain the configuration and enforcement of policies and settings using Conditional Access, including phishing-resistant and device-aware authentication, biometrics, and managed-device enforcement for tier-1 applications.
• Provide administration, technical support, and troubleshooting for application authentication, provisioning, lifecycle, and SSO setup requests or issues through Okta and M365.
• Create, Support, and Maintain automation scripts, Azure Automation runbooks, Freshservice workflows, and related processes for employee onboarding and offboarding, group and account management, and OU/Active Directory processes.
• Support onboarding, offboarding, and identity lifecycle workflows driven by UKG and other source systems, including integrations that pull and validate data from SQL databases and other structured data sources.
• Manage and monitor identity synchronization between Active Directory and Microsoft Entra ID, including sync rules, attribute mappings, scoping filters, exception handling, and AD extension attributes.
• Assist in the management of Active Directory and Entra ID.
• Support and maintain Netwrix Directory Manager and related technology platforms to enforce PAM and least privilege access.
• Support and maintain Microsoft Entra Privileged Identity Management (PIM), including role assignments, activation settings, approval workflows, and privileged access controls.
• Create, Support, and Maintain Microsoft Entra app registrations, enterprise applications, service principals, API permissions, client secret and certificate renewals, and related access controls.
• Establish and maintain standards for automation, scripting, documentation, reporting, monitoring, and change management within IAM and Automation.
• Collaborate closely with HR, Recruiting, Security, Infrastructure, User Support, application owners, and business partners, including Facilities, to support and improve identity and access workflows.
• Design and maintain end-to-end identity lifecycle processes (joiner, mover, leaver) across UKG/HRIS, Active Directory, Okta, M365, and key business applications.
• Provide day-to-day technical guidance and support for IAM and Automation processes.
• Ensure that systems related documentation is maintained and kept up to date.
• Provide 24 x 7 support for critical production systems.
• Other duties as assigned.

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ML Infrastructure Engineer – Early Career/Internship

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Senior Infrastructure Engineer

Senior Infrastructure Engineering Manager

Cloud Platform Infrastructure Architect

Senior Infrastructure Engineer

Senior Azure Infrastructure Engineer

Infrastructure Engineer – AI Platform

Infrastructure Engineer – Mid/Sr

Infrastructure Engineer III

IT Infrastructure Engineering Lead

Senior Infrastructure Engineer – IAM, Automation