Sr. Principal Linux Systems Administrator

Prattwhitney; Andover (MA); On-site; USD 107,500 - 204,500; Full time

Benefits offered by this job

Competitive salary

Medical, dental, vision

401(k) match

Paid time off

Employee Scholar Program

Job summary

RTX is seeking a Sr. Principal Linux Systems Administrator for the Infrastructure Workplace Services team, onsite in Andover, MA. The role requires on-site presence with potential relocation and occasional travel up to 10% to other US locations.

You will manage Red Hat Enterprise Linux infrastructure, mentor junior staff, and collaborate with cybersecurity to ensure compliance and robust system performance. DoD clearance eligibility is required.

Qualifications

• Bachelor’s degree or advanced degree with related experience; 5–8 years depending on degree.
• Advanced experience administering Red Hat Enterprise Linux environments.
• Experience mentoring individuals and teams.
• Ability to obtain DoD 8140/8570 certification (e.g., Security+ CE) within a reasonable timeframe.
• Ability to obtain Interim U.S. government-issued security clearance; U.S. citizenship required for clearance eligibility.

Responsibilities

• Manage and optimize Red Hat Enterprise Linux infrastructure for reliable and secure IT operations.
• Act as a senior resource to maintain confidentiality, integrity, and availability of assigned IT systems and applications.
• Partner with Cybersecurity teams to maintain compliance and provide documentation, training, and guidance on IT processes.
• Mentor and guide junior administrators on maintenance, tasks, account management, and performance tuning.
• Lead and contribute to technical meetings with internal teams and program stakeholders.

Skills

Mentoring

Leadership

Communication

Education

Bachelor's degree or higher

Tools

Red Hat Enterprise Linux

VMware

Kubernetes

OpenShift

Podman

Terraform

Ansible

Job description

Overview

Sr. Principal Linux Systems Administrator, Infrastructure Workplace Services, onsite in Andover, MA. Relocation may be available per policy. This role supports fast-paced, critical programs with classified information system capabilities and requires on-site presence.

What You Will Do

• Manage and optimize Red Hat Enterprise Linux infrastructure to ensure reliable and secure IT operations.
• Act as a senior technical resource to maintain confidentiality, integrity, and availability of assigned IT systems and applications.
• Partner with Cybersecurity teams to maintain compliance, and provide documentation, training, and guidance on advanced IT processes and procedures.
• Mentor and guide junior administrators across corrective and preventive maintenance, routine tasks, account management, and system performance tuning.
• Lead and contribute to technical meetings with internal teams and program stakeholders, providing guidance and best practices.
• Develop, document, and enforce system administration processes, standards, and best practices.
• Participate in Change Request reviews and serve on Change Management Boards at various program levels.
• Support 24x7 operational systems; some work outside standard hours may be required.
• May travel to other US domestic locations up to 10% per year as needed.

Qualifications (Required)

• Bachelor’s degree or equivalent experience; or Advanced Degree with related experience (minimum 5–8 years, depending on degree).
• Advanced experience administering Red Hat Enterprise Linux environments.
• Experience mentoring individuals and teams.
• Ability to obtain DoD Directive 8140/8570 certification (e.g., CompTIA Security+ CE or equivalent) within a reasonable timeframe.
• Ability to obtain Interim U.S. government-issued security clearance prior to start date; U.S. citizenship required for security clearance eligibility.

Preferred Qualifications

• Experience with VMware, Kubernetes, OpenShift, Podman, Terraform and/or Ansible (Infrastructure as Code), and Windows administration.
• Scripting/coding proficiency (Python, Go, PowerShell, Bash).
• Experience supporting engineers in software, simulations, and hardware development.
• Familiarity with NISPOM, JAFAN, JSIG, and DoD/RMF guidelines.
• Strong communication skills with the ability to influence and drive change.

Location, Travel & Relocation

Onsite role located in Andover, MA. Relocation may be available per company policy. Up to 10% travel to other US domestic locations as business needs dictate.

What We Offer

• Competitive salary range: 107,500 USD – 204,500 USD.
• Benefits including medical, dental, vision, life, disability, 401(k) match, and more.
• Paid time off, holidays, parental leave, Employee Scholar Program, and other programs dependent on business unit and collective-bargaining status.
• Incentive compensation programs where applicable.

Company and Equal Opportunity

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected class. RTX maintains privacy and policy terms at the company website.