Infrastructure Engineer

• Own the investigation and resolution of complex infrastructure incidents and escalations
• Administer and troubleshoot Windows Server, Active Directory, Group Policy, DNS and DHCP
• Support Microsoft 365 and Entra ID environments, including identity, authentication, MFA and Conditional Access
• Troubleshoot and support virtualization environments using VMware and/or Hyper-V
• Diagnose networking issues involving firewalls, VPNs, VLANs, routing, switching and connectivity
• Support backup, disaster recovery and business continuity systems
• Plan and execute infrastructure migrations, upgrades and modernization projects
• Perform root-cause analysis and implement or recommend changes that prevent recurring problems
• Use PowerShell, scripting, automation and other tools to improve reliability and efficiency
• Create and maintain clear technical documentation
• Work directly with clients, vendors and other GEM engineers during projects and technical incidents
• Provide occasional onsite support at client locations in the New York City metropolitan area
• Work across multiple client environments with different technologies, configurations and business requirements

Senior Systems – Infrastructure Engineer

• Establish global infrastructure standards, configuration baselines, reference patterns, lifecycle plans, and platform roadmaps
• Provide technical governance across Microsoft 365, Azure, hybrid data center services, systems, identity, endpoint, backup, monitoring, and infrastructure supporting SAP S/4HANA / RISE
• Define engineering standards for SD-WAN, WAN, LAN, plant-floor connectivity, secure remote access, network segmentation, and site infrastructure
• Review vendor and consultant designs, implementation plans, technical risks, and production-readiness materials; define acceptance criteria before deployment
• Lead advanced technical escalation and root-cause analysis, converting recurring operational issues into durable platform improvements
• Drive standardization, simplification, technical debt reduction, lifecycle improvement, and selective internal automation
• Partner with Cybersecurity to translate approved requirements into infrastructure standards, implementation patterns, and remediation plans
• Provide technical governance for infrastructure modernization, cloud adoption, business integrations, acquisitions, and site expansions
• Lead, mentor, and develop infrastructure engineers and platform owners
• Build partnerships across Operations, Cybersecurity, vendors, consultants, and business teams

Senior Manager, Infrastructure Engineering

• Build a shared platform that makes engineers and AI agents more productive
• Own developer-infrastructure roadmap pieces end to end
• Improve deployment processes with serialized, gated deploys, automated schema migrations with rollback, and staging-to-production promotion
• Build reliable local and remote development environments, sandboxes, and preview/review environments
• Develop agent-first infrastructure including MCP gateways, governance, cost management, and foundation-model selection
• Manage infrastructure-as-code, drift remediation, cloud consolidation, and IaC standards
• Establish repository standards, ownership manifests, an ownership registry, and an internal developer portal
• Build observability foundations including tracing, logging, metrics, Datadog cost and hygiene, incident management, and status pages
• Improve security and access through secrets/configuration management, SSO, IAM scoping, ECR scanning, audit logging, and vulnerability management
• Host internal AI tools through Numeric Labs
• Pair with engineers, observe onboarding, and identify developer-experience friction

Software Engineer, Developer Infrastructure

• Build and maintain shared developer infrastructure that improves engineer and AI-agent productivity
• Own roadmap components end to end and observe engineers using the resulting tools
• Create serialized, gated deployments across services
• Automate schema migrations with rollback and establish trusted staging-to-production promotion
• Build reliable local and remote development environments, sandboxes, and preview/review environments
• Develop agent-first infrastructure including MCP gateways, governance, cost management, and foundation model selection
• Manage infrastructure-as-code with Spacelift/OpenTofu, remediate drift, consolidate DigitalOcean onto AWS, and establish IaC standards
• Establish repository standards, ownership manifests, an ownership registry, and an internal developer portal
• Build observability foundations including tracing, logging, metrics, Datadog cost and hygiene, incident management, and status pages
• Improve security and access through secrets/configuration management, SSO, IAM scoping, ECR scanning, audit logging, and vulnerability management
• Host Numeric Labs, enabling employees to ship internal tools without re-solving authentication, hosting, and observability
• Pair with engineers, observe onboarding, and identify friction in Slack

• Participate in HCSC's formal internship program and support business objectives and member-focused solutions
• Work with cross-functional business and technical teams
• Contribute to infrastructure project work, analyze information, and support solution development
• Learn and apply organizational processes, programs, and technologies with increasing independence
• Create, drive, and deliver entry-level IT infrastructure initiatives
• Review infrastructure playbooks and suggest modifications
• Gain understanding of infrastructure processes
• Perform basic troubleshooting
• Learn tools used by Infrastructure teams
• Own components of project work and deliverables with guidance from a mentor and manager
• Conduct research, analyze data and information, and develop recommendations for business decisions
• Collaborate with cross-functional teams
• Support departmental initiatives improving business outcomes and member and client experience
• Develop and deliver a final internship presentation to department leadership covering the project, results, and recommendations

Infrastructure Engineer Intern

• Build and scale distributed training infrastructure supporting large AI models across large GPU clusters
• Design and improve systems that increase training reliability, efficiency, and resource utilization
• Develop solutions for fault tolerance, checkpointing, recovery, and large-scale training operations
• Integrate AI models into production training pipelines with platform, orchestration, and performance engineering teams
• Diagnose and resolve issues impacting training throughput, stability, reliability, and cost efficiency
• Build tools and automation that improve the developer experience for AI researchers and engineers
• Establish best practices for training infrastructure, operational processes, and platform reliability
• Contribute to the evolution of the AI infrastructure platform as an early engineering team member

Staff AI Training Infrastructure Engineer

• Perform IBM z/OS / MVS systems programming
• Install, maintain, upgrade, and support software using SMP/E
• Administer mainframe software
• Work with JCL and ISPF/TSO
• Support VTAM and TCP/IP
• Work with IBM Connect, CA Session Manager, and CA Spool
• Contribute to mainframe systems infrastructure, architecture, and design
• Use BMC AMI tools including AMI OPS Automation, AMI OPS Monitors, or AMI Output Management
• Provide technical leadership and manage projects/programs
• Communicate with stakeholders

Senior Mainframe Systems Programmer – Infrastructure Engineering, SMP/E

• Manage global IT infrastructure services supporting business services and provide global infrastructure operations support
• Analyze, investigate and resolve global infrastructure incidents and problems within the Rentokil Initial ITSM Framework
• Operate and manage storage and VMware virtual infrastructure supporting hosted services
• Monitor the infrastructure estate and take proactive measures to ensure high availability
• Carry out incident management using ServiceNow
• Install and remove hardware and software and document results
• Investigate hardware and software installation problems and faults
• Use system management software to collect performance statistics and perform system software maintenance
• Carry out network configuration, installation and maintenance procedures
• Collect and report network load and performance statistics
• Contribute to maintenance and installation work
• Perform scheduled backups and restores and track offsite storage
• Configure and maintain storage allocation and storage systems
• Identify operational problems and contribute to their resolution

IT Infrastructure Engineer

• Design and support secure infrastructure solutions aligned with security standards and compliance frameworks
• Convert high-level designs into detailed technical components, ensuring scalability and disaster recovery
• Automate repetitive infrastructure and security tasks using scripting languages and automation tools
• Perform infrastructure maintenance, including backups, patch management, and system performance monitoring
• Collaborate on requirement analysis, risk assessment, and user stories for agile development cycles
• Implement configuration and release management processes for virtual machines and cloud-based services
• Maintain documentation of system changes, issues, and development activities
• Collaborate with stakeholders to analyze requirements, develop detailed designs, contribute to capacity planning, and resolve issues
• Support continuous improvement in infrastructure performance while adhering to security frameworks and coding best practices

Systems and Infrastructure Engineer II, Information Security

• Build, modernize, and operate Walmart’s enterprise SailPoint IdentityIQ platform
• Design identity lifecycle workflows, access requests, certifications, role governance, policy controls, and risk capabilities
• Develop integrations with Active Directory, Microsoft Entra ID, Workday, RACF, cloud platforms, and enterprise applications using Java, APIs, and automation
• Lead platform upgrades, hardening, monitoring, incident response, resiliency, and disaster recovery
• Engineer and maintain large-scale identity integrations
• Build custom connectors, rules, workflows, and APIs when out-of-the-box solutions do not meet enterprise needs
• Automate identity operations through Infrastructure as Code and DevOps pipelines
• Design integrations for scalability, supportability, observability, and long-term maintainability
• Partner with platform owners, application teams, security stakeholders, and business partners to scale identity services safely

Infrastructure Engineer jobs in United States

Senior Systems – Infrastructure Engineer

Senior Manager, Infrastructure Engineering

Software Engineer, Developer Infrastructure

Software Engineer, Developer Infrastructure

Infrastructure Engineer Intern

Staff AI Training Infrastructure Engineer

Senior Mainframe Systems Programmer – Infrastructure Engineering, SMP/E

IT Infrastructure Engineer

Systems and Infrastructure Engineer II, Information Security

Senior Systems and Infrastructure Engineer, Information Security