Principle Infrastructure Engineer

Prosum; Boulder (CO); On-site; USD 170,000 - 230,000; Full time

Job summary

Prosum is seeking an experienced Infrastructure Principal Engineer to design, deploy, maintain, and optimize enterprise infrastructure and private cloud environments across locations and compliance domains. The role requires hands-on experience with VMware, Linux, Windows, OpenShift, Kubernetes, and a strong focus on automation, security, documentation, and technical leadership.

The incumbent will collaborate with infrastructure, engineering, DevOps, security, and end-user teams to deliver

Qualifications

• 10+ years of IT, systems engineering, or related infrastructure experience.
• 5+ years deploying, administering, or maintaining infra technologies (VMware, Windows Server, OpenShift).
• Active DoD Secret or higher security clearance is required.

Responsibilities

• Design, deploy, configure, and maintain enterprise infrastructure and private cloud platforms across locations and compliance environments.
• Build and maintain infrastructure with VMware, Linux, Windows, OpenShift, and Kubernetes.
• Support compute requirements across multiple locations and compliance environments.
• Troubleshoot and resolve complex infrastructure issues escalated from service desk.
• Develop automation solutions to streamline administration, configuration, monitoring, and routine tasks.
• Monitor and evaluate infrastructure performance and the effectiveness of deployments and automation.
• Design and implement solutions to improve performance, capacity, availability, reliability, and scalability.
• Develop, implement, oversee, and test security controls including authentication, recovery, and DR procedures.
• Partner with users and stakeholders to understand requirements and design appropriate infrastructure solutions.
• Provide technical leadership and mentorship to infrastructure and support teams.
• Develop, maintain, and update documentation supporting operations, security requirements, and ATO packages.
• Identify opportunities to improve processes, standardization, automation, and efficiency.
• Perform additional infrastructure and engineering responsibilities as assigned.

Skills

VMware

Linux

Windows Server

OpenShift

Kubernetes

Automation

Security

Documentation

Tech Leadership

Tools

VMware vSphere

Kubernetes

Job description

A technology-focused organization supporting U.S. government and national security programs is seeking an experienced Infrastructure Principal Engineer to join its Infrastructure team.

This position will be responsible for designing, deploying, maintaining, and optimizing enterprise infrastructure and private cloud environments across multiple locations and compliance environments. The ideal candidate brings extensive hands-on experience with technologies such as VMware, Linux, Windows, OpenShift, and Kubernetes, along with a strong background in infrastructure automation, troubleshooting, security, documentation, and technical leadership.

The Infrastructure Principal Engineer will work closely with infrastructure, engineering, DevOps, security, and end-user teams to develop reliable, scalable, secure, and high-performing technology solutions.

Citizenship Requirement: This position supports U.S. government contracts that require U.S. citizenship. Candidates who do not meet this requirement cannot be considered.

Security Clearance: An active DoD Secret clearance or higher is required.

Key Responsibilities

• Design, deploy, configure, and maintain enterprise infrastructure systems and private cloud platforms supporting custom applications and DevOps environments.
• Build and maintain infrastructure utilizing technologies including VMware, Linux, Windows, OpenShift, and Kubernetes.
• Support infrastructure and compute requirements across multiple locations and compliance environments.
• Troubleshoot and resolve complex infrastructure issues escalated from service desk and technical support teams.
• Develop automation solutions to streamline infrastructure administration, configuration management, monitoring, and recurring operational tasks.
• Monitor infrastructure performance and evaluate the effectiveness of deployed systems and automation.
• Design and implement solutions that improve system performance, capacity, availability, reliability, and scalability.
• Develop, implement, oversee, and test security controls, including access authentication, system recovery, and disaster recovery procedures.
• Partner with users and technical stakeholders to understand requirements and design appropriate infrastructure solutions.
• Provide technical leadership and mentorship to infrastructure and support team members.
• Develop, maintain, and update technical documentation supporting infrastructure operations, security requirements, and Authorization to Operate (ATO) packages.
• Identify opportunities to improve infrastructure processes, standardization, automation, and operational efficiency.
• Perform additional infrastructure and engineering responsibilities as assigned.

Required Qualifications

• 10+ years of professional IT, systems engineering, infrastructure engineering, or related technical experience.
• 5+ years of hands-on experience deploying, administering, or maintaining infrastructure technologies, including one or more of the following:
• VMware
• Windows Server
• OpenShift
• Active DoD Secret security clearance or higher.
• Strong knowledge of enterprise infrastructure, virtualization, operating systems, private cloud environments, and configuration management.
• Experience troubleshooting complex infrastructure and systems issues.
• Experience supporting secure or regulated technology environments.
• Strong organizational and technical documentation skills.
• Ability to mentor and provide technical guidance to other team members.
• Strong attention to detail.
• Effective written and verbal communication skills.
• U.S. citizenship due to government contract requirements.

Preferred Qualifications

• 2+ years of technical lead or team lead experience.
• CompTIA Security+ certification.
• Experience configuring, administering, or managing enterprise storage appliances and storage infrastructure.
• Professional or vendor certifications related to:
• VMware
• Red Hat OpenShift
• Microsoft Windows / Windows Server
• Experience supporting Authorization to Operate (ATO) documentation or government compliance environments.
• Experience with infrastructure automation, configuration management, and DevOps practices.

Key Skills

Infrastructure Engineering | Systems Engineering | VMware | Linux | Windows Server | OpenShift | Kubernetes | Private Cloud | Virtualization | Infrastructure Automation | Configuration Management | DevOps | Enterprise Infrastructure | Systems Administration | Infrastructure Security | Disaster Recovery | Authentication | Storage Infrastructure | System Performance | Capacity Planning | Scalability | Technical Troubleshooting | ATO Documentation | DoD Environments | Technical Leadership | Mentoring