Job description

Systems Administrator – Infrastructure Location: Tampa, FL Employment Type: Contract-to-Hire Pay: $45- $50 per hour while under contract, $100k-$115k salary upon conversion (after 6+ months) Position Overview We are seeking an experienced Systems Administrator – Infrastructure to support a large, mission-critical public-sector technology environment in the Tampa area. This individual will be responsible for the administration, reliability, security, and availability of enterprise infrastructure supporting 24/7 operations. The environment includes Windows and Linux systems, Active Directory, Microsoft 365, Azure/Entra ID, VMware technologies, cloud infrastructure, enterprise storage, backup and disaster recovery technologies, and security platforms. The ideal candidate is a hands-on infrastructure professional who can independently troubleshoot complex issues, take ownership of systems and projects, and work effectively across both traditional on-premises and cloud environments. Key Technical Requirement Red Hat Enterprise Linux (RHEL) experience is required. Candidates should also have strong experience in at least one of the following two areas, in addition to Red Hat/Linux: VMware Cloud Foundation (VCF) / VMware enterprise infrastructure Enterprise storage architecture or administration Candidates qualifying through the storage area should have true hands-on enterprise storage experience. This should include experience performing tasks such as building and configuring volumes or LUNs on an enterprise storage array and presenting or mapping that storage to hosts. Experience limited primarily to small-business or prosumer NAS platforms, such as Synology, would not meet the enterprise storage requirement. Key Responsibilities Administer and support enterprise Linux environments, with a strong emphasis on Red Hat Enterprise Linux (RHEL). Install, configure, troubleshoot, patch, upgrade, and maintain Linux and Windows servers and supporting infrastructure. Administer VMware virtual environments, including VMware vSphere/ESXi and related VMware technologies. Support VMware Cloud Foundation environments where applicable. Administer Microsoft Active Directory, including Group Policy, organizational units, permissions, auditing, backup, and recovery. Administer Microsoft Entra ID and Identity and Access Management (IAM) technologies. Maintain and support Microsoft 365 and enterprise email environments. Provide administration and operational support for Microsoft Azure cloud infrastructure. Configure and support AWS and other cloud environments as required. Administer enterprise storage environments, including SAN, NFS, Fibre Channel, storage arrays, volumes, and LUNs. Provision and present enterprise storage to physical and virtual hosts. Support enterprise SAN fabric and storage connectivity environments. Support enterprise backup, recovery, and disaster recovery technologies. Administer enterprise security technologies, including SIEM, endpoint protection, anti-virus/anti-malware, and Mobile Device Management (MDM) platforms. Monitor infrastructure availability, utilization, performance, and capacity using enterprise monitoring tools. Perform routine security audits, compliance reviews, and vulnerability scans. Create and maintain scripts to automate system administration and operational tasks. Create and manage Group Policy Objects (GPOs). Perform root-cause analysis for major incidents and recurring infrastructure problems. Build and deploy software packages using enterprise software distribution tools. Maintain accurate physical and virtual hardware/software inventories. Maintain detailed system configuration, technical process, and operational documentation. Participate in infrastructure, security, cloud, storage, virtualization, and systems integration projects. Evaluate new technologies, vendor products, and services. Manage and resolve infrastructure-related incidents and requests through an enterprise ticketing system. Collaborate with infrastructure, network, security, application, and other technology teams. Participate in a rotating on-call schedule as required. Support occasional after-hours maintenance, emergency response, or system recovery activities. Required Qualifications Candidates should have a strong background administering enterprise infrastructure environments and meet one of the following experience levels: Bachelor's degree in a technical field and approximately 5+ years of relevant enterprise systems administration experience; Associate degree in a technical field and approximately 6+ years of relevant experience; or High school diploma/GED and approximately 7+ years of relevant enterprise infrastructure experience. Required Technical Experience Hands-on Red Hat Enterprise Linux (RHEL) administration experience is required. Strong enterprise-level Linux systems administration experience. Strong experience in at least one of the following: VMware infrastructure / VMware Cloud Foundation (VCF); or Enterprise storage architecture and administration. For candidates with a storage background, experience should include hands-on administration of enterprise storage arrays, including activities such as: Creating and managing storage volumes and/or LUNs Provisioning and presenting storage to hosts Managing SAN connectivity and storage fabrics Troubleshooting host-to-storage connectivity and performance Working with enterprise SAN, Fibre Channel, NFS, or similar storage technologies Candidates should also have experience across several of the following areas: Windows Server administration Active Directory and Group Policy Microsoft Entra ID / Azure AD Microsoft 365 VMware vSphere / ESXi Cloud infrastructure Backup and disaster recovery Systems security Infrastructure monitoring Systems integration Scripting and automation Enterprise networking and troubleshooting Preferred Qualifications Strong preference will be given to candidates with experience in several of the following: 5+ years of enterprise systems administration experience Advanced Red Hat Enterprise Linux administration VMware Cloud Foundation (VCF) VMware vSphere / ESXi administration VMware NSX VMware Workspace ONE Enterprise SAN and storage array administration SAN fabric and Fibre Channel administration Microsoft Azure administration Microsoft Entra ID and Exchange administration AWS administration Enterprise backup platforms Advanced PowerShell, Bash, Python, or other scripting experience Server hardware and virtual environment capacity planning Enterprise disaster recovery planning Security compliance and vulnerability management Supporting highly available or 24/7 technology environments Red Hat Certified System Administrator (RHCSA), Red Hat Certified Engineer (RHCE), VMware, storage, or similar technical certifications are a plus. Skills & Competencies Strong Linux and infrastructure troubleshooting skills Strong root-cause analysis capabilities Ability to independently manage systems and technical assignments Strong understanding of enterprise infrastructure architecture Ability to quickly learn unfamiliar technologies Strong documentation and technical communication skills Ability to manage multiple priorities in a mission-critical environment Strong attention to security, availability, reliability, and data integrity Ability to collaborate effectively with technical teams, management, vendors, and business stakeholders Additional Requirements This position supports a public-sector environment and will require successful completion of an extensive pre-employment background screening process. Candidates must be comfortable working onsite in Tampa during the initial onboarding period. The position is expected to transition to a hybrid schedule thereafter, with the specific timeframe and onsite/remote schedule to be determined. Occasional travel to other local facilities and participation in an on-call rotation may be required. Kavaliro provides Equal Employment Opportunities to all employees and applicants. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Kavaliro is committed to the full inclusion of all qualified individuals. In keeping with our commitment, Kavaliro will take the steps to assure that people with disabilities are provided reasonable accommodations. Accordingly, if reasonable accommodation is required to fully participate in the job application or interview process, to perform the essential functions of the position, and/or to receive all other benefits and privileges of employment, please respond to this posting to connect with a company representative.

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