Senior Virtualization Systems Administrator

Overview

SMS is seeking an experienced Sr. Virtualization Administrator/Engineer to lead virtualization efforts, focusing on VMware infrastructure (ESXi, Horizon, NSX) and VDI solutions across remote sites. The ideal candidate will ensure the secure, efficient deployment and management of VMware stacks while driving best practices and innovative solutions.

As a dynamic systems integrator, SMS offers proven solutions in engineering, operations, cybersecurity, and digital transformation. With expertise in modernizing and optimizing legacy infrastructure and systems, ensuring operational efficiency, and designing, implementing, and managing secure environments, SMS supports business and mission goals with proficiency, quality, and integrity.

SMS has been serving the advanced information technology needs of the federal government since 1976, delivering talented teams and innovative, cost-effective solutions and services to support our customers’ missions for more than 45 years. SMS is headquartered in McLean, Virginia, with offices and on-site operations at customer locations throughout the United States. For additional information on SMS, visit www.sms.com.

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Responsibilities

• Lead technical planning, system integration, and deployment of VMware virtualization solutions, including ESXi, Horizon, and NSX-T/NSX-V.
• Develop and maintain detailed system documentation, including topology and system diagrams.
• Design and implement security baseline configurations (CIS benchmarks, STIGs) and ensure data assurance across virtual environments.
• Troubleshoot and resolve complex technical issues, mitigating risks and ensuring timely project delivery.
• Support the deployment of Horizon/VDI solutions, including telework-focused VDI environments.
• Collaborate with teams on network performance and security hardening (UAG, Horizon Security).
• Identify system integrity issues, conducting full lifecycle support from design to operational maintenance.

Qualifications

Required Skills & Experience:

• 5+ years of experience in VMware systems engineering, including virtual network design, analysis, and deployment.
• Expertise in VMware vSphere (7.x/8.x) and Horizon View (7.x/8.x), including NSX-T/NSX-V for network virtualization.
• Experience with storage solutions, including SAN/NAS technologies (Fiber Channel, iSCSI, NFS/CIFS).
• Proficiency in network engineering for multiprotocol routers, switches, and security devices.
• Experience with security hardening (CIS, STIGs) and performance optimization for virtual systems.
• Experience with hyper-converged platforms.
• Proficient in developing and maintaining system documentation, using tools like Visio.
• DoD 8750 IAT Level II, CompTIA Security+ or CCNA Security, or higher certification. (e.g., CISSP)
• Active DoD Secret clearance (Top Secret clearance is a plus).
• Preferred Qualifications:

• VMware Certified Professional (VCP) or higher VMware certification.
• Familiarity with Unified Access Gateway (UAG) and Horizon/VDI security configurations.
• Hands-on experience with NVIDIA vGPU and other advanced virtualization graphics technologies.
• Linux (RedHat, Ubuntu) and Windows Server system administration experience.

SMS is a dynamic systems integrator established in 1976, delivering talented teams and innovative, cost-effective solutions and services to support our customers’ missions for more than 47 years. Our ability to hire and retain quality people in a rapidly evolving IT market is proven through our employee retention rate averaging over 3 years. At SMS, we place a high value on quality of service, customer satisfaction, and best-of-breed policies and practices, resulting in CMMI Level 3 certification and ISO registrations including 9001:2015, 20000-1:2018, and ISO/IEC 27001:2013. SMS is headquartered in McLean, Virginia, with offices and on-site operations at customer locations throughout the United States. 

SMS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.