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Added 1 min ago
Principal AI Engineer
Hearst
Dallas, TX
We are seeking a Principal AI Platform Engineer to build our AI software factory. This is a hands-on individual contributor role. You will write code every day, ship the first working…
Added 1 min ago
Principal SoC RTL Engineer
Ambiq Micro, Inc.
Austin, TX
We’re looking for a Principal RTL Engineer to own pre-tapeout quality for digital SoC modules on our MCU platforms and drive architecture, microarchitecture, and RTL development for…
Added 5 mins ago
Principal Engineer - Process Program Lead
Mars Wrigley Conf. (MCNA)
United States
The Principal Engineer – Process Program Lead is a widely recognized business leader and highly experienced technology expert within our North American Engineering Organization. This…
Added 7 mins ago
Forward Deployed Engineer, Applied AI
Snowplow
Remote, United States
You are the first Forward Deployed Engineer on the team, reporting to the Senior Director of Applied AI. The team is also hiring a principal engineer to own the platform and an Applied AI…
Added 7 mins ago
Principal Software Engineer - Mobile Applications
Boston Scientific
San Jose, CA
The Principal Software Engineer – Mobile Applications will serve as a hands-on technical leader responsible for the architecture, design, development, integration, and delivery of Android…
Added 8 mins ago
CADD Technician II
Highlands County Board of County Commissioners
Sebring, FL
A skilled position providing technical support utilizing computer-aided drafting and design (CADD) equipment and processes in all areas of civil engineering and surveying responsibilities…
Added 9 mins ago
O
Principal Software Engineer, AI Core Infrastructure at OCI
Oracle
Nashville, TN
- $114,600 to $234,600 USD / year
We are looking for a Principal Software Engineer to lead the design and delivery of software platforms for AI infrastructure. You will translate ambiguous problems into clear technical…
Added 9 mins ago
Principal Electrical Engineer
Oracle
Burlington, MA
We are seeking a Principal Electrical Engineer – Server Hardware Validation to join our OCI Hardware Engineering team On-Site in Burlington, Massachusetts. This is a hands-on technical role…
Added 9 mins ago
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Principal Core Infrastructure Engineer
Oracle
United States
- $114,600 to $234,600 USD / year
As a Senior Core Infrastructure Engineer, you will play a critical role in the pre-sales, designing, implementing, and maintaining the infrastructure that supports our customers AI and…
Added 9 mins ago
Principal Quality Engineer/Sr. Principal Quality Engineer 3/4
Northrop Grumman
Apopka, FL
Northrop Grumman Mission Systems (NGMS) is looking for a Principal Quality Engineer / Sr. Principal Quality Engineer to support the Quality and Mission Assurance team located in Apopka, FL…
Added 10 mins ago
Principal/Senior Principal Engineer Electronics - Avionics Radar (Melbourne FL)
Northrop Grumman
Melbourne, FL
Northrop Grumman Aeronautics Systems has an opening for Principal/Senior Principal Engineer Electronics - Avionics Radar to join the team of qualified individuals in our Avionics…
Added 10 mins ago
Engineer or Principal Engineer - Fluid Subsystems Design
Northrop Grumman
Melbourne, FL
Northrop Grumman Aeronautics Systems has an opening for an Aeronautical Engineer, specializing in Fluid Subsystems design . This role will be located in Melbourne, FL .
Added 10 mins ago
Principal or Sr. Principal Engineer Aeronautical - Crew and Equipment Design
Northrop Grumman
Melbourne, FL
Northrop Grumman Aeronautics Systems sector is looking for a Principal Crew and Equipment Design Engineer / Sr. Principal Crew and Equipment Design Engineer with experience in Design and…
Added 15 mins ago
Principal Mechanical Engineer, Fuel Handling Equipment
Kairos Power
Oakridge, TN
Kairos Power is seeking a highly motivated Principal Fuel Handling Equipment Testing Engineer with technical expertise relevant to design, development, testing and manufacturing of…
Added 24 mins ago
Product Development Engineer I
Fresenius Medical Care
Ogden, UT
The entry level Engineer will participate in designing, executing, and championing research and development activities of Fresenius' products. As a member of a tech team, the Engineer I…
Added 26 mins ago
Principal/Senior Software Engineer - Mobile App Monetization (Ad Server)
PubMatic
Redwood City, CA
The ideal candidate is a seasoned backend engineer with strong ad-tech domain expertise and experience building real-time auction, targeting, decisioning, and optimization systems. You will…
Added 28 mins ago
Test Engineer - Prin
BAE Systems
Nashua, NH
Are you an experienced Electrical, Software or Test Design Engineer with 6+ years of experience looking for the next step to grow your career? Do you want to design and develop test…
Added 29 mins ago
Sr. Principal Software Engineer (Remote)
The Home Depot
Remote, United States
Position Purpose:The Software Engineer Sr. Principal is responsible for guiding software design and development across multiple engineering teams and principal software engineers. Sr.…
Added 35 mins ago
Electrical Principal
HDR
Jacksonville, FL · Doral, FL · Orlando, FL · Tampa, FL
…part of HDR’s Building Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive.…
Added 36 mins ago
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Technical Engineer Internship - Des Moines, IA (Summer 2027)
Principal Financial Group
Des Moines, IA
- $28 to $30 USD / hour
…an excellent opportunity to understand and learn more about Principal’s Technology Engineering…
Added 39 mins ago
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Principal Embedded Software Engineer
Actalent
Dallas, TX
- $70 to $85 USD / hour
Job Title: Principal Embedded Software EngineerJob DescriptionThe Principal Embedded Software Engineer designs, develops, and integrates embedded software for advanced vehicle control…
Added 41 mins ago
Principal Software Engineer
Robert Half
Edison, NJ
Description We are looking for a Principal Software Engineer to join our team in Edison, New Jersey. In this role, you will be responsible for shaping the technical direction of our…
Added 41 mins ago
IT Engineer Principal I -Data & Analytics
PSEG
Newark, NJ
The IT Engineer Principal I – Data & Analytics plays a key role in delivering and maintaining the data assets required for enterprise reporting, analytics, automation, and AI initiatives.…
Added 41 mins ago
Sr Principal Engineer Electronics
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Senior Principal Electronics Engineer (Level 4) to join the team of qualified individuals. Position is located in Oklahoma City, OK.
Added 41 mins ago
Principal or Sr Principal Electronics Engineer
CORP-Corporate Office
United States
The Principal or Senior Principal Electronics Engineer demands a combination of hardware and software expertise, practical experience with DC, analog, digital, or RF test and measurement…

RTX

Principal Software Engineer (Cybersecurity | Networking)

United States

The salary range for this role is 118,300 USD - 224,900 USD.

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Job details

Pay: The salary range for this role is 118,300 USD - 224,900 USD.
Posting language: English
Posted: Oct 30, 2026

Original job description

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. To find out more about AST please, click the link below: Applied Signal Technology: WHO WE ARE

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 requirements, plans, and procedures based on customer discussions, briefings, interactions, and statements of work
Existing Top Secret with Full Scope Poly (Active within the last 24 months)

What We Offer

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
Eligible for relocation
And More!

Learn More & Apply Now! Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission 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.

#AST

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.

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