5+ years of VMware ESXi, vCenter, and vSphere administration in large environments.
Strong understanding of virtual networking and storage technologies.
Experience with backup and disaster recovery solutions.
Solid background in Windows and Linux server administration.
Familiarity with cloud platforms and hybrid-cloud concepts.
Responsibilities
Manage VMware clusters and optimize VM lifecycle operations.
Configure and enhance performance of vCenter deployments.
Design resilient, scalable cluster architectures.
Diagnose and troubleshoot performance-related issues using VMware tools.
Create VM templates and automate deployment processes.
Guide junior admins and lead technical initiatives.
Benefits
Referral bonus of $1,500.
Potential opportunity for career advancement.
Exposure to cutting-edge cloud technologies.
Collaborative work environment with technical leaders.
Full Job Description
Systems Administrator, Senior
Full Time Aberdeen Proving Ground, MD
Secret Clearance
Referral: $1,500
Job Requirements:
vSphere / ESXi Administration: Deep experience managing clusters, hosts, resource pools, DRS/HA, and VM lifecycle operations in enterprise environments.
vCenter Operations: Skilled in configuring, monitoring, and optimizing vCenter, including performance tuning, capacity planning, and role-based access control
VMware Networking & Storage: Strong understanding of vSwitches, distributed switches, VLANs, iSCSI/NFS/FC storage, and datastore performance considerations.
Cluster Design & Scaling: Ability to architect resilient, scalable clusters and optimize workloads for performance and availability.
Performance Troubleshooting: Skilled at diagnosing CPU ready issues, memory ballooning, storage latency, and network bottlenecks using VMware tools and logs.
Automation & Templates: Experience creating "gold" images, VM templates, and leveraging automation to standardize deployments.
Hybrid Cloud Integration Concepts: Understanding of cloud landing zones, hybrid identity, network connectivity (VPN/ExpressRoute/Direct Connect), and workload migration patterns.
Cloud Offerings: Knowledge of VMware Cloud options, AWS, Azure, or similar platforms to support cloud-based vSphere integration
Infrastructure as Code (IaC): Familiarity with Terraform, Ansible, or similar tools as environments move toward cloud-native practices.
Understanding how virtualization supports container platforms, DevOps pipelines, and modern application architectures.
Strong grasp of routing, switching, firewalls, load balancers, DNS, DHCP, and how they interact with virtualized environments.
Windows & Linux Administration: Skilled in patching, performance tuning, and troubleshooting across both OS families.
Skilled at translating technical concepts for leadership, collaborating with security, networking, and application teams.
Supporting junior admins, leading technical initiatives, and driving best practices across the team.
Required Qualifications
5+ years of experience administering VMware ESXi, vCenter, and vSphere in enterprise environments.
Strong knowledge of virtual networking, storage technologies, and performance troubleshooting.
Experience with backup/DR platforms and enterprise monitoring tools.
Solid understanding of Windows and Linux server administration.
Familiarity with cloud platforms (Azure, AWS) and hybrid-cloud concepts
Preferred Qualifications
Experience with VMware Cloud offerings, AWS, Azure,or similar offerings.
Hands-on experience with workload migration tools (HCX, vMotion across environments, cloud migration services).
Exposure to IaC tools such as Terraform or Ansible.
Knowledge of container platforms, DevOps practices, or modern application architectures.
