Qualis Corporation Linux Systems Administrator Systems Engineer 3 - Careers At Qualis Corporation in Colorado Springs, Colorado

Linux Systems Administrator Systems Engineer 3 - Careers At Qualis Corporation

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Qualis Corporation is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment.

Qualis offers:

  • Competitive Compensation

  • Comprehensive Benefit Options

  • Professional Development/Tuition Reimbursement

  • Performance/Bonus Rewards Program

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Linux Systems Administrator (Systems Engineer 3)

Location: Colorado Springs, CO

Qualis Corporation is seeking a Linux Systems Administrator (Systems Engineer 3) to support operations at Schreiver AFB, CO.


  • Managing and maintaining secure, minimally-interrupted operations of Linux servers and virtualized environments.

  • Supporting bare-metal and virtual machines; coordinating actions with peer system administrators, network administrators, security teams, software teams and Operations; devising, recommending, and implementing performance enhancement, reliability-enhancement, and automation solutions.

  • Installing, hardening and patching Linux operating systems.

  • Working in a command-line environment

  • Creating/modifying shell scripts (ex: bash, perl, python)

  • Partition disks, create logical volumes, create/mount Linux filesystems.

  • Create and manage user accounts in a Linux environment

  • Query LDAP/DNS services for information and troubleshooting purposes in a Linux environment.

  • Troubleshooting end-user issues.

  • Developing and documenting technical procedures.

  • Install and configure COTS software

  • Interacting with and successfully utilize boards-of-approval to maintain required security controls and configuration management

  • Perform technical research on Information Technology topics, as requested, and produce presentations and recommendations

  • Independently learn and apply new technologies as appropriate, while coordinating actions with the team as required.

  • Build complex VMware environments and experience with ESXi, vSphere , Horizon View, vMotion, vCenter and VDI's.

  • Configure and maintain SANs for use in virtual environments.

  • Providing on-call (24 hour) Ops support as needed

  • After hours and weekend work as needed

  • Strong oral, written, and interpersonal communication

Basic Qualifications:-

  • Bachelor-s degree and 6 years of IT experience or 10 years of IT experience in lieu of degree.

  • Hands on experience installing and configuring COTS software

  • Hands on experience using VMWare products

  • Hands on experience with Linux Operating System

  • Current Security+

  • Active DoD Top Secret security clearance with SCI eligibility

  • Ability to obtain and maintain a Counter Intelligence Polygraph

  • Ability to obtain and maintain SCI clearance

Preferred Qualifications:-

  • RedHat Certified (Example: RedHat Certified System Administrator, Redhat Certified Engineer)

  • NAS storage device administration

  • Solid Understanding of Enterprise-level storage concepts to include commonly-used RAID-levels

  • RedHat Satellite Server v5/6 configuration/usage experience

  • Solid understanding of remediating security vulnerabilities to include hardening RedHat systems in accordance with RMF and STIGs

  • Identity Management (Single Sign-on) experience

  • VMWare ESXi (6.x+) configuration and management experience

  • Experience implementing/configuring Linux software-based firewall implementations (iptables/firewall)

  • Ability to create custom RPM packages for RedHat platforms.

  • Windows (7,10, Server 2008, Server 2012) administration experience

  • Windows GPO experience

  • Windows Active Directory management experience

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