Senior Infrastructure Architect/Engineer

Own OS, virtualization, compute-platform, VDI-infrastructure, and DR operations, lifecycle, availability, patching, and technical standards.

Lead incident response, troubleshooting, RCA, vulnerability remediation, and service-restoration activities for assigned platforms.

Perform and coordinate hands-on data-center infrastructure work for assigned platforms, including hardware installation and removal, rack/stack, cabling, diagnostics, parts replacement, RMA activity, remote hands, vendor coordination, and technical decommissioning. Plan and execute platform upgrades, capacity reviews, recovery runbooks, DR exercises, and corrective actions.

Coordinate compute workload administration, platform integrations, and changes with global, regional, application, network, security/IAM, and data-platform teams. Administer and maintain platform-specific access controls for assigned infrastructure in accordance with client security and access-management processes.

Provide technical oversight of vendor/MSP support concerns and project delivery, including case initiation, troubleshooting coordination, escalation, resolution validation, validation of changes and operational deliverables, and communication of service concerns to client management.

Maintain runbooks, architecture documentation, monitoring requirements, cross-training, and secondary coverage for storage-related recovery., The Senior Compute Platform Administrator is accountable for the reliable operation, lifecycle management, security, resilience, and continuous improvement of server, virtualization, virtual desktop, infrastructure, cloud-workload, and disaster-recovery platforms supporting the HACI environment. The role provides hands-on engineering leadership across Windows Server, Red Hat Enterprise Linux, VMware, Nutanix, Cisco UCS, Lenovo/IBM xServers, Nvidia agents/licensing for VDI and applicable Windows workloads and AWS compute workloads. The position owns infrastructure recovery planning and testing, leads complex incident resolution, and provides secondary coverage for storage connectivity and recovery operations. The role operates within global standards, ITSM controls, vulnerability and patch programs, and governance expectations.

Bachelor’s degree in Information Systems, Computer Science, Engineering, or related field; or an associate degree, military/industry training, and equivalent professional experience. 10+ years of progressive enterprise infrastructure or systems-administration experience. 5+ years administering enterprise server and virtualization platforms 3+ years supporting DR planning, exercises, failover, or infrastructure recovery. Advanced VMware vSphere experience, including installation/upgrade of ESXi hosts, host and datastore cluster configuration, virtual switch VLAN configuration, performance and capacity management, and end-to-end operational support. Advanced Windows Server (2016 and higher) and Red Hat Enterprise Linux (7.x and higher) administration experience. Advanced Cisco UCS platform experience, including configuration and ongoing management of server profiles/templates and Fabric Interconnect network/storage connectivity. Experience with Nutanix AOS platform and other x86 server hardware. Experience supporting AWS EC2 workloads and related platform integrations. Experience with operational automation using tools such as Ansible or comparable scripting and configuration-management tools. Working knowledge of NAS, SAN, and backup platforms; experience with Dell PowerStore, Isilon/OneFS, Avamar, Data Domain, and Cisco SAN switching preferred. Experience with ITSM, 24x7 operations, change control, patching, vulnerability remediation, major incidents, and RCA. Strong preparation and presentation skills for upper Management Levels as well as stakeholder’s status reports. Preferred: Experience with Red Hat Satellite; SCM platforms such as GitHub or GitLab; Horizon VDI; NVIDIA vGPU; Windows Group Policy and DHCP; HPC Hardware, and infrastructure monitoring platforms. Works independently on complex issues and leads major incident and recovery activities. Creates standards, runbooks, technical diagrams, lifecycle plans, and management-ready risk/status communications. Translates architecture and security requirements into operationally supportable solutions. Mentors others, supports cross-training, and demonstrates secondary coverage for data-platform recovery. Preferred training/certifications: VMware VCP, RHCSA/RHCE, Microsoft, and/or ITIL Foundation.

UNICON is a workforce solutions provider with over 35 years of experience supporting organizations across a variety of industries. We partner with our clients to deliver skilled professionals while maintaining a strong focus on quality, compliance, and long-term relationships. UNICON is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.