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VMware Systems Administrator Security Clearance

Job in Aurora, Arapahoe County, Colorado, 80010, USA
Listing for: 22nd Century Technologies, Inc.
Full Time position
Listed on 2026-01-28
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: VMware Systems Administrator with Security Clearance
• We are seeking Infrastructure Engineers to join our Engineering team.
• The qualified candidate will support the design, development, Integration, and maintenance of our virtualized Private cloud Based infrastructure framework utilizing VMware and related tools.
• The environments are a mix of servers, workstations, storage, networks, and custom hardware, providing the enterprise hybrid-cloud backbone for product development and testing for a large program producing a critical, strategic national asset.
• This will include a mixture of hands-on keyboard engineering work as well as documentation and baseline control.

Note:

• This position will be based out of the RTX Facility in Aurora, CO; but some travel to other local sites to support program activities may be required for system upgrades or maintenance.

What You Will Do:

• You will leverage company and industry best practices and capabilities to assist with design, development, implementation, and support of Red Hat Enterprise Linux (RHEL) Operating System for the project.

• You will develop and maintain virtualized environments using VMware for the project’s needs.

• You will generate code through scripting tools, to test, document, and maintain the virtualized system.

• You will assist with development of build/test and integration, optimizing for performance and scalability across on-premise computing environments.

• You will assist engineers with RHEL based tool usage and issues, leveraging standards and best practices. Qualifications You Must Have:

• An active DOD-S issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

• Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and 8 years of related work experience.

• Experience with Linux systems administration; RHEL 6.0+ infrastructure development, implementation, and optimization for an enterprise Design.

• Experience with VMware provisioning

Hands on experience scripting skills (i.e. Power Shell, Python, Ruby, bash, etc.)

• Experience troubleshooting complex systems involving multiple servers, COTS products, VMs, VDIs, and/or network issues. Qualifications We Prefer:

• Thorough background in on premise infrastructure design data center systems

• Experience with Atlassian tool suite (Jira, Confluence, Bitbucket etc.)

• Experience with automation tools such as Chef (preferred), Puppet, Ansible, Salt Stack

• Use of vSphere Power

CLI to manage virtual machines / virtual infrastructure.

• Understanding of Dev Ops/Dev Sec Ops  developments

• Experience with the Agile development lifecycle.

• Experience with monitoring / optimizing performance of virtualized environments.

• Experience troubleshooting complex systems involving multiple servers, COTS products, VMs, VDIs, and/or network issues

• Experience in SAN/NAS designs and implementation

• Security Plus within 90 days.
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