Sr. Systems Engineer (Platform Engineer)

System One; Washington (District of Columbia); On-site; USD 140,000 - 170,000; Full time

Job summary

System One is seeking a Platform Engineer to design, deploy, and manage hybrid on-premises VMware vSphere environments and AWS GovCloud for a federal contract. This role requires U.S. citizenship and the ability to obtain a Public Trust clearance; it is 100% onsite in Washington, DC.

You will build IaC with Terraform and GitLab CI/CD, oversee Kubernetes clusters (VKS/EKS), and align with NIST 800-53 and FISMA controls while modernizing workloads and ensuring security and reliability.

Qualifications

• Minimum of 7 years’ experience with enterprise ESXi servers and VMware server software.
• Experience designing and supporting large VMware installations.
• Expert knowledge of ESXi, VLANs, and hybrid cloud implementations.
• Hands-on with Aria Automation/Orchestrator/Operations.
• Proficient in Terraform and GitLab CI/CD pipelines.
• Familiarity with AWS GovCloud and Kubernetes fleets (VKS/EKS).
• Strong scripting with PowerShell/PowerCLI.

Responsibilities

• Design, implement, and maintain hybrid infra spanning on-prem data centers and AWS GovCloud.
• Administer and optimize VMware vSphere clusters for enterprise workloads.
• Manage Kubernetes fleets across VKS and AWS EKS.
• Lead application modernization, migrating workloads between cloud and on‑prem.
• Implement audit logging, monitoring, and observability across hybrid environments.
• Support security engineering, vulnerability management, and compliance.
• Contribute to IaC and automation using Terraform and GitLab CI/CD.
• Collaborate with agile teams using Jira; ensure NIST 800-53 and FISMA compliance.

Skills

VMware ESXi

vSphere administration

Kubernetes (VKS/EKS)

Terraform

GitLab CI/CD

PowerCLI/PowerShell

AWS GovCloud

Aria Automation

Aria Orchestrator

Aria Operations

NIST 800-53 / FISMA

Security monitoring

Tools

VMware vSphere

Aria Automation

Aria Orchestrator

Aria Operations

Terraform

GitLab CI/CD

Kubernetes

PowerCLI

Jira

Job description

Platform Engineer (VMware & AWS)

Washington, DC – 100% Onsite. Per Federal contract U.S. citizenship is required. Must be able to obtain PASS federal background check for Public Trust clearance. W2 with Benefits or C2C Contract. Application Closing date Sept 4th.

Position Requirements

Join our Enterprise Hosting Services team at the forefront of secure, innovative hybrid infrastructure for one of the nation's most critical institutions. We're seeking a talented Platform Engineer to help architect, deploy, and manage our on-premises Virtual Cloud (VMware) platforms, our AWS Cloud platforms while supporting emerging AI capabilities, modern containerized workloads, and enterprise virtualization environments.

What You'll Do

• Design, implement, and maintain hybrid infrastructure spanning on-premises data centers and AWS GovCloud, ensuring compliance with federal security standards
• Administer and optimize hyper-visor clusters (VMware vSphere, ESXi) for enterprise workloads
• Manage Kubernetes fleet operations across on-premises VMware vSphere with Kubernetes (VKS) and AWS EKS
• Lead application modernization initiatives, migrating and optimizing workloads across cloud and on-premises environments
• Implement comprehensive audit logging, monitoring, and observability solutions across hybrid environments
• Support security engineering initiatives including vulnerability management, compliance automation, and security hardening
• Support emerging AI/ML capabilities and cloud-native solutions
• Build and maintain infrastructure as code using Terraform and GitLab CI/CD pipelines
• Collaborate with cross-functional teams in an agile environment using Jira for project management
• Ensure systems meet NIST 800-53 and FISMA compliance requirements
• Automate operational tasks and improve platform reliability across both cloud and on-premises infrastructure
• Contribute to architectural decisions and hybrid cloud strategy

Preferred Qualifications

• Minimum of 7 years’ experience in supporting enterprise-grade ESXi servers and VMware server software.
• Experience designing, planning, testing, implementing, supporting and troubleshooting large VMware installations
• Expert knowledge of ESXi server implementations and operations, VLAN, VMC, primary, secondary data center operations and hybrid cloud implementations
• Experience with Aria Automation, Aria Orchestrator and Aria Operations
• Experience with Powershell/Powercli scripting
• On-premises data center and AWS GovCloud experience
• Kubernetes fleet management experience (VKS, EKS, Mirantis)
• VMware vSphere administration and cluster management
• Knowledge of NIST 800-53 controls and FISMA compliance frameworks
• Experience with security engineering, audit logging, and monitoring tools
• Application modernization and containerization experience
• Experience with AI/ML infrastructure and services
• GitLab and Jira experience
• VMware or Kubernetes certifications (CKA, CKAD)
• Experience in financial services or federal government environments

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.