Principal Software Engineer (Cybersecurity - Networking)

RTX (Raytheon); Maryland; Presencial; USD 170.000 - 210.000; Jornada completa

Descripción de la vacante

RTX, in collaboration with Applied Signal Technology, is seeking a Principal Software Engineer for an on-site role in Annapolis Junction, MD. The candidate will work in R&D on system development and cybersecurity-focused software solutions for national defense.

The ideal candidate holds a STEM degree with 8+ years of relevant experience and demonstrates strong skills in C/C++, Python, Rust, Linux, and system-level testing, along with proven collaboration with cross-functional teams and

Formación

• Requires STEM degree and 8+ years of relevant experience.
• Proficient in C, C++, Python, and/or Rust.
• Experience with system-level integration and testing of advanced processing systems.

Responsabilidades

• Design, code, test, integrate, and document software solutions for defense applications.
• Develop and test software for APIs, networking, and back-end components.
• Collaborate with customers, end users, hardware-design and software-design teams.
• Lead or contribute to PoC scenarios and prototypes for cybersecurity systems.
• Prepare briefings and present material to team members, customers, and management.
• Follow established development practices and configuration management processes.

Conocimientos

C/C++

Python

Rust

System integration

Algorithms

Cybersecurity tools

Communication

Team collaboration

Educación

STEM degree

Herramientas

Linux

Descripción del empleo

Date Posted: 2026-10-30

Country: United States of America

Location: US-MD-ANNAPOLIS JUNCTION-339 ~ 306 Sentinel Dr ~ 339 BLDG

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type: TS/SCI - Current

Security Clearance Status: Active and existing security clearance required on day 1

Raytheon Company Managed by Collins Aerospace

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Applied Signal Technology (AST) is seeking a Principal Software Engineer with a strong background in cybersecurity and networking who strives for excellence and have a passion to be part of a team that strengthens our nation and improves the security of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners. AST's work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenges our extraordinary engineers to resolve problems and make the world a safer place. AST's work environment is dynamic, highly collaborative and provides engineers the freedom to strengthen and expand their skills, explore new and creative ideas, and work closely with our nation's finest service members all while embracing integrity, innovation and work-life balance.

This is an ONSITE position located at our Annapolis Junction, MD location.

What You Will Do:

• You will work with other experienced members in R&D on system development and deployments for the protection of our country
• Participate in the requirements, design, development and testing of software to include development of new work products or enhancement of existing applications and systems
• Design, code, test, integrate, and document software solutions
• Participate in internal review of software components and systems
• Generate briefings and present material to team members, customers, and AST management as necessary
• Collaborate with project managers and other professionals within Engineering
• Follow established development practices and processes to maintain the configuration management of software products
• Travel up to 25% (domestic)

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience
• Typically requires a minimum of 8 years of experience developing in C, C++, Python, and/or Rust
• Experience with system-level integration and testing, specifically, the integration of advanced, custom processing systems, testbeds, and software
• Experience developing, coding, testing, and debugging complex algorithms
• Experience working with customers, end users, hardware design teams, and software design teams
• Experience with developing software for APIs, networking, and backend
• Experience with creating proof-of-concept (PoC) use case scenarios and prototypes from initial ideas
• Strong written and verbal communication skills and the ability to work independently yet collaboratively in a team environment
• Experience in implementing cybersecurity tools and/or controls
• Experience developing system level designs, high level control and data interfaces
• Active and transferrable U.S. government issued Top Secret SCI (TS/SCI) security clearance is required prior to start.
• U.S citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer:

• Experience developing in C/C++ within a Linux environment
• Experience with cybersecurity concepts such as red/blue teaming, defense-in-depth, and/or network penetration
• Experience with building networks and networking protocols
• Experience with reverse engineering software and/or hardware
• Experience with Design, Development, Integration and Test of complex Communication systems
• Experience in developing proof-of-concept (PoC) use case scenarios for novel cybersecurity systems
• Experience formalizing, developing and documenting requireme