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RTX Tech Stack

Aerospace and defense systems integrator across engines, sensors, and command platforms

Aviation and Aerospace Component Manufacturing Arlington, VA 10,001+ employees Public Company

RTX operates three integrated businesses—Collins Aerospace, Pratt & Whitney, and Raytheon—building engines, advanced sensors, avionics, and air-defense systems for military and commercial aerospace. The tech stack reflects heavy embedded systems work (C, C++, MATLAB, FPGAs, HDL) paired with a large ERP migration underway (adopting SAP S/4HANA and SAP BTP while retiring legacy Hyperion and SAP ECC), suggesting organizational complexity around platform consolidation across a 10,000+ person operation. Security and compliance dominate the pain-point list, with active adoption of EDR, XDR, and identity tools (Ping Identity, Azure AD) signaling heightened focus on DoD and government regulatory requirements.

Tech Stack 200 technologies

Core StackWorkday SAP C++ MATLAB Python Linux Jira Apache Spark PySpark Snowflake Infor LN Microsoft Office Word Excel PLC Workday Studio C GPU Unix FPGA Microsemi HDL Coder SystemVerilog VHDL Verilog ClearCase Git SQL HFSS FEKO+170 more
AdoptingSAP Azure AD EDR XDR SAP BTP Falcon Ping Identity Adaptive Planning+1 more
ReplacingServiceNow Hyperion SAP ECC

What RTX Is Building

Challenges

  • Ensuring compliance with government regulations
  • Risk mitigation
  • Ensuring compliance with dod security requirements
  • Integration of ew-enabled cyber
  • Ensuring cybersecurity compliance
  • Cost control
  • On-time delivery
  • Reducing costs
  • Optimizing cloud spend
  • Cost and schedule management

Active Projects

  • System upgrades
  • Eo/ir focal plane array sensor systems integration and testing
  • Ltamds program
  • Next generation satellite data management capabilities
  • Radar frequency algorithm development
  • Test equipment integration
  • Embedded missile flight code development
  • Hosting transformation initiatives
  • Apu engine program
  • Hardened radar software applications

Hiring Activity

Decelerating850 roles · 110 in 30d

Department

Engineering
430
Ops
89
Security
84
Manufacturing
35
Finance
33
HR
25
Research
25
Legal
22

Seniority

Senior
310
Mid
162
Principal
142
Manager
60
Junior
53
Director
36
Intern
33
Lead
30

Notable leadership hires: Change Management Lead, Systems Requirements & Verification Lead, WAN Service Lead, Quality Lead, Program Quality Lead

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About RTX

RTX is a public aerospace and defense company headquartered in Arlington, VA, with three core operating units: Collins Aerospace (systems and components), Pratt & Whitney (engines and auxiliary power units), and Raytheon (sensors, missiles, and command-and-control systems). The organization employs over 10,000 people and maintains engineering and manufacturing operations across 17 countries including the US, Canada, Saudi Arabia, Poland, India, Australia, and the UK. Active projects span embedded flight code, radar and EO/IR sensor integration, satellite data systems, and APU engine programs. The company's technology footprint includes advanced EDA tools (HFSS, FEKO), compute-intensive simulation (MATLAB, Spark), and hardened embedded languages (VHDL, SystemVerilog), reflecting the complexity of aerospace certification and defense-grade reliability.

HeadquartersArlington, VA
Company Size10,001+ employees
Hiring MarketsSaudi Arabia, Poland, Canada, Singapore, United States, Germany, India, Australia

Frequently Asked Questions

What is RTX's tech stack?

RTX uses SAP, Workday, Infor LN for enterprise systems; C, C++, MATLAB, and Python for embedded and simulation work; VHDL, SystemVerilog, and FPGA tools for hardware design; Jira, Git, and ClearCase for version control; and Snowflake for data. Currently adopting SAP S/4HANA and Azure AD.

What are RTX's main business lines?

RTX consists of Collins Aerospace (aerostructures, avionics, systems), Pratt & Whitney (aircraft engines, APUs), and Raytheon (sensors, radar, air-defense systems, command-and-control, cyber and software solutions).

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