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Principal Linux System Administrator (Clearance Required)

SciTec
Aurora, USA
Senior · 8+ years experience
Onsite
Discovered 2 weeks ago
ansiblebashdockergitkuberneteslinux

Full Job Posting

Responsibilities

  • Serve as the technical team lead for the System Administrator group, providing mentorship, guidance, and oversight to ensure consistent operational excellence
  • Install, configure, and maintain Red Hat Enterprise Linux (RHEL) workstations and servers in accordance with defined baselines
  • Implement and maintain system security, hardening, integrity monitoring, backups, and auditing i.e. STIG, SCAP
  • Perform patch and package management, including installation and maintenance of third-party software i.e. IDEs, Pypi, Docker registry,
  • Monitor system performance, availability, and health; troubleshoot and resolve hardware and software issues,
  • Support and maintain virtualized and workstation environments (e.g., VMware)
  • Install, configure, and troubleshoot servers, switches, and storage systems
  • Configure and support networking in mixed Linux and Windows environments
  • Document system configurations, procedures, and changes in accordance with policies and requirements
  • Collaborate effectively with team members, security personnel, and end users
  • Provide technical support and respond to operational issues through resolution
  • Participate in continuous improvement, automation, and modernization efforts
  • Perform other duties as assigned

Requirements

  • 8+ years of professional experience administering Linux systems (RHEL preferred)
  • Active Top Secret clearance
  • Experience with:
  • Installation and configuration of RHEL 8 servers and workstations
  • System security, hardening (STIG), auditing, and backup strategies
  • Patch and package management
  • Virtualization technologies including VMware, Podman, Docker, Image registries, Red Hat Openshift/Kubernetes
  • Hardware and software troubleshooting
  • Networking in heterogeneous (Linux/Windows) environments
  • Strong oral and written communication skills
  • Detail oriented
  • Proven ability to work collaboratively in a team environment
  • Self-motivated, detail-oriented, and able to own issues through completion
  • Candidates who have any of the following skills will be preferred:
  • Bachelor’s degree in Information Technology, Network Engineering, Computer Engineering, or a related technical field
  • Dell servers, switches, and SAN solutions
  • VMware vSphere
  • Root Cause Analysis and documenting findings
  • DISA SCAP Compliance Checker and DISA STIG implementation
  • RHEL 8/9/10
  • NAS and/or SAN configuration and maintenance
  • Configuration management, Automation, Scripting (Ansible, Bash, Python)
  • Git/GitLab and CI/CD pipelines
  • Containers and orchestration (Podman/Docker, RHOCP/Kubernetes, minikube, image registries)
  • Relevant certifications are preferred but not required i.e.
  • Security+
  • RHCSA / RHCE / LPIC-1
  • Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.
  • Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information

Benefits

  • SciTec offers a highly competitive salary and benefits package, including:
  • 4% Safe Harbor 401(k) match
  • 100% company paid HSA Medical insurance, with a choice of 2 buy-up options
  • 80% company paid Dental insurance
  • 100% company paid Vision insurance
  • 100% company paid Life insurance
  • 100% company paid Long-term Disability insurance
  • Short-term Disability insurance
  • Annual Profit-Sharing Plan
  • Discretionary Performance Bonus
  • Paid Parental Leave
  • Generous Paid Time Off, including Holiday, Vacation, and Sick Pay
  • Flexible work hours
  • The pay range for this position is $149,000 - $184,000 / year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.
  • SciTec is proud to be an Equal Opportunity employer. VET/Disabled.

Preferred Qualifications

  • 8+ years of professional experience administering Linux systems (RHEL preferred)
  • Relevant certifications are preferred but not required i.e.

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