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Principal Linux Systems Administrator (ONSITE)Prattwhitney • Pelham, Alabama, United States
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Principal Linux Systems Administrator (ONSITE)

Prattwhitney
  • US
    Pelham, Alabama, United States
  • US
    Pelham, Alabama, United States
Jetzt Bewerben

Über

Position: System Administrator – RedHat Linux (Onsite) What You Will Do Responsibilities include: Provide system administration for heterogeneous RedHat8 &9 Enterprise Linux environments. Utilize virtualization and containerization technologies such as VMware vCenter, vSphere, Horizon, ESXi, KVM, Podman, Docker, and Kubernetes/OpenShift. Collaborate with engineers, software developers, systems administrators, storage, networking, and high-performance computing teams to resolve complex infrastructure and integration challenges. Partner with cybersecurity teams to ensure continuous compliance with regulatory and security frameworks such as DFARS, RMF, and the NIST Cybersecurity Framework. Provide critical on‑site support for mission systems in a closed DoD area, responding to both planned and emergent tasks, with occasional work outside standard hours and up to 10% travel. Obtain and maintain DoD8140/8570 certification (e.g., CompTIA Security+ or equivalent) within six months of hire. Demonstrate flexibility and adaptability to support business needs, including adjusting to shift changes. Qualifications Must Have Minimum 5 years of relevant experience, or an advanced degree with at least 3 years of relevant experience. Bachelor’s degree or equivalent academic experience. U.S. citizenship required; active and transferable secret‑level U.S. government‑issued security clearance required at start. Extensive experience with RedHat Enterprise Linux (RHEL) installation, administration, patching, and troubleshooting in enterprise environments. Experience with secure system configuration, hardening, and application settings, and tailoring Linux environments to security requirements. Practical knowledge of virtualization and containerization platforms (VMware, KVM, Docker, Kubernetes/OpenShift). Strong scripting skills in Bash, Python, Perl, or C for provisioning, patching, and lifecycle management. Experience with automation and configuration management tools such as Ansible and RedHat Satellite. Preferred Leadership, teamwork, communication, collaboration, and organizational skills. Deep experience with RHEL ecosystem, including authentication and identity services (SSSD, LDAP, Kerberos, NIS) and file sharing/integration services (Samba, NFS). Proficiency with enterprise storage systems (e.g., NetApp) and virtual desktop infrastructure technologies (Horizon, Profile Unity, NVIDIA GPU virtualization). Knowledge of monitoring, vulnerability scanning, and compliance assessment tools (ACAS, Splunk, Nessus, SCAP, STIG, Nagios, SolarWinds). Working knowledge of security frameworks (CMMC, NISPOM, JAFAN, JSIG, DFARS, DoD RMF). Benefits Relocation eligible as per company policy. Salary range: $86,800–$165,200 USD. Comprehensive medical, dental, vision, and life insurance 401(k) with employer match Flexible spending accounts and paid time off Parental leave and employee assistance program Annual incentive compensation programs based on performance EEO Statement RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.
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  • Pelham, Alabama, United States

Sprachkenntnisse

  • English
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