Raytheon
Position
Sr. Principal System Administrator (RHEL)
– Raytheon
Location: Marlborough, MA (Building 3, 1001 Boston Post Road)
Date Posted: 2025‑10‑27
Security Clearance: Secret (Current)
U.S. citizenship required; active, transferable U.S. government security clearance required.
What You Will Do
Serve as a Linux / Red Hat Enterprise Linux (RHEL) Subject Matter Expert (SME), designing, implementing, troubleshooting, and maintaining physical and virtual Linux servers across a large‑scale enterprise network. This includes system hardening, patching, automation with Ansible, provisioning with Kickstart, access control management, lifecycle management with Red Hat Satellite, virtualization with KVM, containerization with Podman or Docker, and hybrid cloud integrations with OpenShift and Kubernetes.
Collaborate with engineers, software developers, system 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 as required.
Obtain and maintain DoD 8140/8570 certification (e.g., CompTIA Security+ or equivalent) within six months of hire.
100% on‑site requirement.
Qualifications You Must Have
Bachelor’s degree and minimum 8 years of relevant experience, or master’s degree and minimum 5 years of relevant experience.
Active, transferable U.S. government issued Secret clearance; U.S. citizenship.
Extensive experience with Red Hat Enterprise Linux (RHEL) and Windows operating systems in enterprise environments, including installation, administration, patching, troubleshooting, and data center management.
Experience with virtualization technologies (VMware, ESXi, or similar) and core network engineering principles.
Strong skills in secure system configuration, hardening, application settings, and custom tailoring to meet compliance and mission requirements.
Qualifications We Prefer
Strong leadership, teamwork, communication (written and oral), collaboration, and organizational skills.
Deep experience with RHEL ecosystem, authentication and identity services (SSSD, LDAP, Kerberos, NIS), and file sharing/integration services (Samba, NFS).
Expertise with automation and configuration management tools such as Ansible and Red Hat Satellite, plus scripting proficiency in Bash, Python, Perl, or C.
Hands‑on experience with virtualization and containerization technologies, including VMware vCenter, vSphere, Horizon, ESXi, KVM, Podman, Docker, and Kubernetes/OpenShift.
Familiarity with enterprise storage systems (e.g., NetApp) and virtual desktop infrastructure technologies such as Horizon, Profile Unity, and NVIDIA GPU virtualization.
Proficiency with monitoring, vulnerability scanning, and compliance assessment tools (ACAS, Splunk, Nessus, SCAP, STIG, Nagios, SolarWinds) and knowledge of security frameworks (CMMC, NISPOM, JAFAN, JSIG, DFARS, DoD RMF).
What We Offer
Competitive salary range: $101,000 – $203,000 USD.
Benefits: medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, paid time off, holidays, parental leave, and employee assistance program.
Flexible work schedule and potential relocation support.
Opportunities for professional growth and advancement within Raytheon’s Digital Technology organization.
Equal Opportunity Employer 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 Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.
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– Raytheon
Location: Marlborough, MA (Building 3, 1001 Boston Post Road)
Date Posted: 2025‑10‑27
Security Clearance: Secret (Current)
U.S. citizenship required; active, transferable U.S. government security clearance required.
What You Will Do
Serve as a Linux / Red Hat Enterprise Linux (RHEL) Subject Matter Expert (SME), designing, implementing, troubleshooting, and maintaining physical and virtual Linux servers across a large‑scale enterprise network. This includes system hardening, patching, automation with Ansible, provisioning with Kickstart, access control management, lifecycle management with Red Hat Satellite, virtualization with KVM, containerization with Podman or Docker, and hybrid cloud integrations with OpenShift and Kubernetes.
Collaborate with engineers, software developers, system 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 as required.
Obtain and maintain DoD 8140/8570 certification (e.g., CompTIA Security+ or equivalent) within six months of hire.
100% on‑site requirement.
Qualifications You Must Have
Bachelor’s degree and minimum 8 years of relevant experience, or master’s degree and minimum 5 years of relevant experience.
Active, transferable U.S. government issued Secret clearance; U.S. citizenship.
Extensive experience with Red Hat Enterprise Linux (RHEL) and Windows operating systems in enterprise environments, including installation, administration, patching, troubleshooting, and data center management.
Experience with virtualization technologies (VMware, ESXi, or similar) and core network engineering principles.
Strong skills in secure system configuration, hardening, application settings, and custom tailoring to meet compliance and mission requirements.
Qualifications We Prefer
Strong leadership, teamwork, communication (written and oral), collaboration, and organizational skills.
Deep experience with RHEL ecosystem, authentication and identity services (SSSD, LDAP, Kerberos, NIS), and file sharing/integration services (Samba, NFS).
Expertise with automation and configuration management tools such as Ansible and Red Hat Satellite, plus scripting proficiency in Bash, Python, Perl, or C.
Hands‑on experience with virtualization and containerization technologies, including VMware vCenter, vSphere, Horizon, ESXi, KVM, Podman, Docker, and Kubernetes/OpenShift.
Familiarity with enterprise storage systems (e.g., NetApp) and virtual desktop infrastructure technologies such as Horizon, Profile Unity, and NVIDIA GPU virtualization.
Proficiency with monitoring, vulnerability scanning, and compliance assessment tools (ACAS, Splunk, Nessus, SCAP, STIG, Nagios, SolarWinds) and knowledge of security frameworks (CMMC, NISPOM, JAFAN, JSIG, DFARS, DoD RMF).
What We Offer
Competitive salary range: $101,000 – $203,000 USD.
Benefits: medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, paid time off, holidays, parental leave, and employee assistance program.
Flexible work schedule and potential relocation support.
Opportunities for professional growth and advancement within Raytheon’s Digital Technology organization.
Equal Opportunity Employer 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 Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.
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