Principal Site Reliability Engineer - ARINCDirect (Remote)

Prattwhitney; Virginia (MN); Hybrid; USD 107,500 - 204,500; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

3 weeks vacation

401(k) plan

Tuition reimbursement

Student loan repayment

Life Insurance

Disability Insurance

Pet Insurance

ID theft protection

Employee assistance program

Job summary

Collins Aerospace's ARINCDirect team is hiring a Site Reliability Engineer to automate and improve the reliability of our infrastructure. You will work with engineering teams to design, deploy, and maintain scalable, resilient systems in a remote U.S. setting.

Candidates should have a STEM degree with extensive experience, hands-on Linux, Docker, Kubernetes, and automation tools. You will own monitoring, incident response, capacity planning, and help drive GitOps and declarative infrastructure

Qualifications

• Degree in Science, Technology, Engineering, or Mathematics (STEM) or equivalent with extensive experience in SRE/Platform Engineering.
• Authorized to work in the U.S. without sponsorship; no immigration sponsorship offered.
• Experience with Linux/UNIX environments and large, complex infrastructure; Docker and Kubernetes proficiency.
• Automation of configuration/infrastructure using SaltStack, Ansible, or Terraform.

Responsibilities

• Automate and improve reliability while keeping infrastructure resilient and reproducible.
• Maintain service availability, performance, monitoring, incident response, and capacity planning.
• Define data-driven environments for resource allocation and capacity planning.
• Move toward Kubernetes and declarative infrastructure; support ARINCDirect platform growth.
• Collaborate with SRE and cross-functional teams to design scalable solutions.

Skills

SRE / Platform Engineer

Python

Linux/UNIX

Shell scripting

Networking basics

DNS/DHCP/LDAP

Education

STEM degree or equivalent

Tools

Docker

Kubernetes

SaltStack

Ansible

Terraform

GitOps

Job description

Date Posted: 2026-07-15 | Country: United States of America. Position Type: Remote (U.S.) | Location: US-VA-REMOTE. Security clearance: None/Not required. This role requires the candidate to have authorized work status in the U.S. and no immigration sponsorship is offered.

The ARINCDirect team within Collins Aerospace is hiring a Site Reliability Engineer (SRE) focused on automating and improving the reliability of our infrastructure. The SRE works closely with engineering teams to design, deploy, and maintain scalable, resilient systems.

What You Will Do:

• Automate and improve reliability while ensuring the infrastructure remains resilient and reproducible.
• Maintain overall service availability, performance, monitoring, incident response, and capacity planning.
• Create, improve, and manage environments based on accurate data‑driven insights for resource allocation and capacity planning.
• Maintain physical infrastructure using Linux and support a shift toward Kubernetes and declarative infrastructure.
• Influence technology decisions and provide direction to grow and support the ARINCDirect platform.
• Collaborate with SRE teammates and cross‑functional teams to design dependable and scalable solutions.
• Identify, implement, and champion process improvements to enhance productivity and delivery efficiency.

What You Will Learn:

• In-depth knowledge of systems and infrastructure that support ARINCDirect’s applications, including networking, operating systems, and databases.
• Designing and maintaining high‑availability architectures for critical systems to ensure continuous availability.
• Skills in automation and scripting to streamline operational tasks and improve efficiency.
• Shared on‑call rotation with the SRE team.

Qualifications You Must Have:

• Degree in Science, Technology, Engineering, or Mathematics (STEM) or equivalent with at least 8 years of relevant experience, or an advanced degree with at least 5 years of experience, or 12 years of relevant experience without a degree.
• Authorized to work in the U.S. without sponsorship; no immigration sponsorship will be offered.
• Experience as an SRE, Platform Engineer, or related role in a Linux or UNIX environment with large and complex infrastructure, and proficiency with Docker and Kubernetes.
• Experience automating configuration and infrastructure using tools such as SaltStack, Ansible, or Terraform.
• Experience with hardware, including servers, network switches, and cabling.

Qualifications We Prefer:

• Experience managing infrastructure using GitOps practices and continuous delivery pipelines.
• Proficiency in Python and Linux shell scripting (bash, awk, sed).
• Experience with PostgreSQL or another relational database and general SQL knowledge.
• Knowledge of cloud infrastructure, preferably AWS.
• Understanding of SRE principles, including observability, metrics for SLOs and KPIs.
• Familiarity with DNS, DHCP, LDAP, NFS, network segmentation, routing, and VPNs.

Benefits

• Medical, dental, and vision insurance.
• Three weeks of vacation for new hires.
• Generous 401(k) plan with employer matching and retirement contribution.
• Tuition reimbursement program.
• Student loan repayment program.
• Life and disability insurance.
• Optional coverages such as pet, home, auto, additional life, accident, and critical illness insurance.
• Group legal and ID theft protection.
• Birth, adoption, and parental leave benefits.
• Fertility, family planning, and adoption assistance.
• Autism benefit.
• Employee assistance plan with up to 10 free counseling sessions.
• Healthy You incentives and wellness rewards.
• Virtual doctor visits through Doctor on Demand.
• Bright Horizons child and elder care services.
• Teladoc medical experts and second opinion program.

Salary Range

107,500 USD – 204,500 USD.

Equal Opportunity Employer

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.