Virtualization Systems Engineer (Active Top Secret Clearance Required)

Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies . SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn .

Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation.

Great Hill is seeking a highly skilled and self-driven Virtualization Systems Engineer to support large-scale enterprise datacenters encompassing over 3,000 virtual machines. The ideal candidate will be responsible for designing, implementing, maintaining, and troubleshooting a VMware-based infrastructure and associated storage systems in a government environment. This position requires deep expertise in virtualization technologies and a strong commitment to supporting mission-critical systems. This position also places strong emphasis on proactive monitoring, compliance and automation to ensure performance, availability, and security across classified and unclassified enclaves.

Roles and Responsibilities include, but are not limited to :

• Design and architect secure VMware vSphere environments leveraging converged and hyperconverged platforms (e.g., VxRail)
• Deploy, operate, and maintain virtual infrastructure and network virtualization (NSX-T)
• Manage and monitor performance, capacity, and availability using VMware Aria Operations (formerly vRealize), vCenter alerts, and third-party tools
• Maintain compliance with DoD STIGs and Zero Trust principles across all virtual platforms
• Implement and manage VM lifecycle, including provisioning, backups, replication, and decommissioning
• Ensure environment observability and health with proactive alerting and trend analysis
• Lead root cause analysis for incidents and develop preventive measures
• Document and maintain logical and physical diagrams, SOPs, and system baselines
• Collaborate with cross-functional teams (network, security, cloud) to deliver integrated solutions
• Manage infrastructure patching, hardening, and firmware updates in coordination with cybersecurity requirements
• Develop future-state roadmaps for virtualization modernization, including automation and cloud integration
• Support on-call rotation for 24 / 7 mission-critical operations

Basic Qualifications :

Desired Skills :

Equal Opportunity Statement :

Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex / gender, sexual orientation, national origin, age, disability, marital status, genetic information and / or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.