Principal Infrastructure Engineer

Insight Global; Denver (CO); On-site; USD 150,000 - 210,000; Full time

Job summary

Insight Global seeks a Principal Engineer, Linux & Virtualization Infrastructure to lead enterprise infrastructure initiatives across Linux, virtualization, storage, and networking. This hands-on IC role emphasizes mentoring, solution design, and support for highly available production systems.

The ideal candidate brings deep Linux expertise and strong virtualization/storage experience to partner with stakeholders, develop architecture plans, and guide implementation across critical

Qualifications

• Bachelor’s degree or equivalent in IT/CS.
• 7+ years as Linux systems administrator/engineer or similar.
• Expertise with Linux/Unix operating systems.
• Strong networking fundamentals.
• Solid knowledge of SANs and storage concepts.
• Experience with virtualization and containerization (VMware, ProxMox, Docker, Kubernetes).
• Experience managing complex infrastructure projects.
• Strong communication skills.

Responsibilities

• Design and implement greenfield datacenter deployments and modernize existing environments.
• Lead system integration for new technologies and solutions; provide ongoing maintenance.
• Manage multiple virtualization clusters including capacity planning.
• Monitor enterprise platforms and drive recovery and operational improvements.
• Co-manage Fibre Channel, VxLAN, and NAS with focus on fault tolerance and DR.
• Assess OS, storage, memory, and CPU needs for physical and virtual servers.
• Design and implement enterprise storage architectures and DR profiles.
• Collaborate with networking and security teams to deliver solutions for internal and external customers.
• Ensure backups align with policies and procedures.
• Participate in future technology strategy discussions and provide recommendations.

Skills

Linux

Networking fundamentals

Independent problem solving

Written and verbal communication

Storage fundamentals

Education

Bachelor’s degree in Information Technology or Computer Science

Tools

VMware

ProxMox

Docker

Kubernetes

Job description

Job Description

A client of Insight Global is seeking a Principal Engineer, Linux & Virtualization Infrastructure to serve as a senior technical leader responsible for designing, implementing, and supporting enterprise infrastructure platforms across Linux, virtualization, storage, and networking environments. This is a hands-on individual contributor role focused on leading infrastructure projects, mentoring junior engineers, developing technical solutions, and supporting highly available production systems.

The ideal candidate brings deep enterprise Linux expertise combined with strong virtualization, storage, and data center experience. This individual will partner with internal stakeholders to research solutions, develop plans and architecture diagrams, manage implementation efforts, and provide ongoing operational support for critical infrastructure initiatives.

Core Responsibilities

• Design and configure greenfield datacenter deployments while modernizing and retrofitting existing environments
• Lead system integration efforts for new technologies and infrastructure solutions through research, design, implementation, configuration, and ongoing maintenance
• Maintain and manage multiple virtualization clusters with ownership of current and future capacity planning
• Monitor enterprise infrastructure platforms and drive actionable recovery and operational improvements
• Co-manage Fibre Channel, VxLAN, and NAS environments with a continued focus on: Fault tolerance; High availability; Disaster recovery
• Analyze user and application requirements to determine operating system, storage, memory, and CPU needs for both physical and virtual server environments
• Lead the design, analysis, configuration, and implementation of enterprise storage architectures, including: Application and end-user storage requirements: IO performance analysis; Storage layout strategy; Disaster recovery profiles
• Collaborate closely with networking and security teams to deliver solutions for internal business units and external customers
• Ensure all service platforms and applications are backed up according to established policies and procedures
• Participate in future technology strategy discussions and provide recommendations based on industry research and engineering expertise

Skills and Requirements

• Bachelor’s degree in Information Technology, Computer Science, or an equivalent combination of education, training, and experience
• 7+ years of experience as a Linux Systems Administrator, Linux Systems Engineer, or related infrastructure engineering role
• Expertise with Linux and/or Unix operating systems
• Strong understanding of networking fundamentals
• Solid knowledge of Storage Area Networks (SANs)
• Experience with virtualization and containerization technologies including: VMware, ProxMox, Docker, Kubernetes
• Experience managing complex systems infrastructure projects
• Working knowledge of Windows operating systems and Microsoft Office applications
• Strong written and verbal communication skills
• Ability to thrive in a fast-paced, dynamic environment
• Ability to collaborate effectively across diverse technical teams
• Strong independent problem-solving and decision-making skills

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [e-mail].