RTX
Principal Site Reliability Engineer- ARINCDirect
Remote Site Reliability Engineering role with clear candidate location fit.
PostedJul 19, 2026
Eligible countries1 accepted country
Seniority signalSenior
Work settingRemote
Accepted candidate locations
USA
Role overview
Principal Site Reliability Engineer- ARINCDirect
Requirements and responsibilities
Readable role content extracted into sections for faster review.
What You Will Do:
- Spend your days working to automate and improve reliability and continue to push the ARINCDirect infrastructure forward, ensuring it is resilient and reproducible.
- Be responsible for service availability, performance, monitoring, incident response, and capacity planning.
- Create, improve, and manage environments to ensure decisions on resource allocation, problem identification, and capacity planning are based on accurate data-driven insights.
- Maintain a physical infrastructure using Linux
- Help facilitate a push towards Kubernetes and declarative infrastructure
- Impact technology decision and direction to grow and support the ARINCDirect platform.
- Collaborate closely with fellow SREs on your team and extend your collaboration across other teams and disciplines to design dependable and scalable solutions and services.
- Identify, implement, and champion process improvements to enhance productivity, collaboration, and delivery efficiency, while ensuring alignment with company goals and industry best practices.
What You Will Learn:
- Gain a deep understanding of the systems and infrastructure that support ARINCDirect’s applications and services; this includes networking, operating systems, databases, and other relevant technologies.
- Gain expertise in designing and maintaining high-availability architectures for critical systems, ensuring continuous availability and performance for ARINCDirect’s customer base.
- Further develop skills in automation and scripting to streamline operational tasks and improve efficiency.
- Will participate in shared on-call rotation with SRE team.
Qualifications You Must Have:
- Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience or in absence of a degree, 12 years of relevant experience.
- Must be authorized to work in the U.S. without sponsorship now or in the future. RTX will not offer sponsorship for this position.
- Experience as a SRE, Platform Engineer, or related position within a Linux or UNIX environment working on large, complex infrastructures and/or projects using Docker and Kubernetes solutions
- Experience automating configuration and infrastructure with tools such as Saltstack, Ansible, Terraform or other declarative languages.
- Experience with hardware; including servers, network switches, & cabling.
Qualifications We Prefer:
- Experience managing infrastructure using GitOps with continuous delivery (CD) pipelines
- Established proficiency in at least one (ideally more) of the following: Python, Linux Shell (bash, awk, sed).
- Experience with PostgreSQL, or equivalent RDBMS and SQL in general.
- Familiarity with Cloud infrastructure, ideally AWS.
- Understanding of SRE principles including building observability solutions and exposing metrics to inform SLO's and KPI's.
- Understanding of how IT infrastructure services work, including: DNS, DHCP, LDAP, NFS.
- Understanding of network segmentation, routing and VPNs.
Qualifications We Prefer:
- Medical, dental, and vision insurance
- Three weeks of vacation for newly hired employees
- Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
- Tuition reimbursement program
- Student Loan Repayment Program
- Life insurance and disability coverage
- Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
- Birth, adoption, parental leave benefits
- Ovia Health, fertility, and family planning
- Adoption Assistance
- Autism Benefit
- Employee Assistance Plan, including up to 10 free counseling sessions
- Healthy You Incentives, wellness rewards program
- Doctor on Demand, virtual doctor visits
- Bright Horizons, child and elder care services
- Teladoc Medical Experts, second opinion program
- And more!
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