Principal Site Reliability Engineer - ARINCDirect (Onsite)

Date Posted:

2026-04-21

Country:

United States of America

Location:

US-MD-ANNAPOLIS-905 ~ 2551 Riva Rd ~ BLDG 905

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Must be authorized to work in the U.S. without the company’s immigration sponsorship now or in the future. The company will not offer immigration sponsorship for this position.​ The company will not seek an export authorization for this role.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

The ARINCDirect team within Collins Aerospace is searching for an enthusiastic and process-driven, Site Reliability Engineer (SRE) to "automate themselves out of a job." The Site Reliability Engineering team embraces infrastructure automation, release engineering, and continuous delivery. As part of the Platform and Operations team, our SREs work alongside highly effective and talented counterparts, interacting closely with all facets of the Engineering organization. This role requires a fusion of skills in development, analytics and hardware to solve problems in an exciting and demanding environment.

ARINCDirect Engineering consists of teams that develop and deliver an array of services powering its commercial products. These teams tackle a broad set of technologies and solve challenging technical and product problems daily. The ARINCDirect technology suite facilitates flight operations for commercial and private aircraft. The products cover all aspects of flight support services, including planning, weather, connectivity, and support, ensuring safe and reliable travel.

Regardless of role, we expect excellent interpersonal and communication skills across all hires at ARINCDirect. We look for candidates who will thrive here, meaning they demonstrate clear communication, embrace open feedback, trust their colleagues, and are driven to execute, deliver, and complete projects independently and efficiently.

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.

What We Offer:

Some of our competitive benefits package includes:   

• 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!  

Avionics: 

Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today.

Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. 

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.  

Apply now and be part of the team that’s redefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 118,300 USD - 224,900 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms