992 matching jobs for “Software Development Engineer - US Federal”

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RTX

Senior Software Engineer - Embedded Linux (Onsite)

US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150A

… hardware boards. Contribute to the design, coding, testing, delivery and ongoing support for embedded Linux software systems. Participate in root cause analysis and resolution of complex hardware-software issues. Prepare …

Added Oct 27, 2026

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Boeing

Senior Seat Systems Software Certification Engineer

GBR - Bristol, UK

Hybrid
Full time
Regular

(BCA Seats Software Certification): We are now seeking a Senior Seat Systems Software Certification Engineer based in Bristol …

Added Oct 14, 2026

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RTX

Sr Software Engineer - Active Secret (Onsite)

Cedar Rapids, Iowa, United States

Design, develop, and implement mission-critical software systems, tools, and applications. Perform mission analysis and develop software solutions to model, …

Added Oct 27, 2026

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RTX

Software Engineer/Developer II - Marlborough, MA

Marlborough, Massachusetts, United States

Date Posted: 2026-09-16

 Country: United States of America

 Location: US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2

 Position Role Type: Onsite

 U.S. …

Added Oct 27, 2026

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RTX

Senior Software Engineer/Developer - Marlborough, MA

Marlborough, Massachusetts, United States

Date Posted: 2026-09-10

 Country: United States of America

 Location: US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2

 Position Role Type: Onsite

 U.S. …

Added Oct 27, 2026

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General Motors

Staff Cybersecurity Software Engineer - Authorization Services

Warren, Michigan, United States +5 locations

Pay posted by employer$160,200–$246,300

… Engineering pillar of GM’s broader Security Services organization. In this role, you will serve as a staff software engineer and application-layer security expert responsible for designing, building, and operating …

Added Oct 18, 2026

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RTX

Sr Software Engineer - Tactical Communications (Onsite)

Cedar Rapids, Iowa, United States

Date Posted: 2026-09-01

 Country: United States of America

 Location: US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137

 Position Role Type: Onsite

 U.S. …

Added Oct 27, 2026

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RTX

Flight Control Software Engineer I (Onsite)

Cedar Rapids, Iowa, United States 3 postings

… to employ new technology and methods in developing our complex systems. We are looking for an early career Software Engineer to join our team in Cedar Rapids, IA and contribute to the development of flight control products …

Added Oct 27, 2026

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RTX

Software Engineer II- Embedded Linux (Onsite)

Cedar Rapids, Iowa, United States

Date Posted: 2026-10-13

 Country: United States of America

 Location: US-IA-CEDAR RAPIDS-108 ~ 400 Collins Rd NE ~ BLDG 108

 Position Role Type: Onsite

 U.S. …

Added Oct 27, 2026

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RTX

Software Engineer II - DevOps / Infrastructure (Onsite)

Sterling, Virginia, United States

… to start date Experience deploying, configuring, and supporting CI/CD Pipelines. Experience with common software development and management tools such as GitLab, Jira, Confluence, Coverity, Nexus, Artifactory, and …

Added Oct 27, 2026

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RTX

Principal Software Engineer - DevOps / Infrastructure (Onsite)

Sterling, Virginia, United States

… to build and maintain positive relationships with program leaders and contributors. Experience with common software development and management tools such as GitLab, Jira, Confluence, Coverity, Nexus, Artifactory, and …

Added Oct 27, 2026

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RTX

Research Software Engineer, Formal Methods (Hybrid)

Cambridge, Massachusetts, United States +2 locations

Date Posted: 2026-09-29

 Country: United States of America

 Location: US-MA-CAMBRIDGE-BBN05 ~ 10 & 50 Moulton St ~ MOULTON B5

 Position Role Type: Onsite

 U.S. …

Added Oct 27, 2026

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RTX

Software Engineer/Developer II - Huntsville, AL

Huntsville, Alabama, United States

Date Posted: 2026-10-06

 Country: United States of America

 Location: US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401

 Position Role Type: Onsite

 U.S. …

Added Oct 27, 2026

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RTX

Senior Software Engineer/Developer - Huntsville, AL

Huntsville, Alabama, United States

Date Posted: 2026-09-11

 Country: United States of America

 Location: US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401

 Position Role Type: Onsite

 U.S. …

Added Oct 27, 2026

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RTX

Principal Software Engineer - Embedded Linux (Onsite)

US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150A

Added Oct 27, 2026

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RTX

Software Engineer II - Embedded Linux (Onsite)

US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150A

Added Oct 27, 2026

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RTX

Research Software Engineer, Formal Methods (Hybrid)

Cambridge, Massachusetts, United States +2 locations

Date Posted: 2026-04-01 Country: United States of America Location: US-MA-CAMBRIDGE-BBN06 ~ 10 & 50 Moulton St ~ MOULTON B6 Position Role Type: Hybrid U.S. Citizen, U.S. Person, …

Added Oct 27, 2026

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RTX

Embedded Security Software Engineer I (Onsite)

Tewksbury, Massachusetts, United States

Embedded Security Software Engineer – Secure Product Assurance Join the Secure Product Assurance/Sensors Space and Air Software team …

Added Nov 3, 2026

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RTX

Senior Software Engineer, DevOps - Cloud (Hybrid)

Cedar Rapids, Iowa, United States

… / automation capabilities. You will set-up and own sandbox environments for technology incubation and development. You will work across teams and departments to enable rapid onboarding of the Cert DevOps technology. You …

Added Oct 31, 2026

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RTX

Embedded Security Software Engineer II (Onsite)

Goleta, California, United States

Embedded Security Software Engineer II – Secure Product Assurance – Goleta Join the Secure Product Assurance/Sensors Space and Air …

Added Oct 27, 2026

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RTX

Research Software Engineer, Formal Methods (Hybrid)

Cambridge, Massachusetts, United States +2 more

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About this opportunity

Original employer description

Date Posted:

2026-04-01

Country:

United States of America

Location:

US-MA-CAMBRIDGE-BBN06 ~ 10 & 50 Moulton St ~ MOULTON B6

Position Role Type:

Hybrid

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

The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Top Secret

Security Clearance Status:

Active and existing security clearance required after day 1

At RTX, the world 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. Join us and help shape the future of aerospace and defense.

RTX BBN Networking and Cyber Technologies group is looking for a Research Software Engineer, Formal Methods with strong software development skills and an interest in security and resilience of large-scale dynamic systems. In this position, you will contribute strong software development skills and apply reasoning and formal methods techniques to significantly enhance security and resilience of large dynamic systems.

This position offers the opportunity to shine as a lead developer of an exceptional team while building core technologies for improving processes, networks, protocols, and systems. You will develop software to support models that analyze networks and complex processes, improve the collective understanding of such systems, and increase their performance. You will contribute to and work alongside extraordinarily talented individuals.

What You Will Do

Program and test software and systems in Python, C, C++, or Java, as well as using logic programming languages.
Design and develop formal (using mathematical logic) or informal models and specifications of protocols and systems.
Develop algorithms for analyzing systems to understand how and when they work or break, and how to make them more secure and resilient. Working knowledge applying formal methods techniques such as model checking and theorem proving are highly desirable.
Apply critical analyses to results to validate technical hypotheses and inform next steps.
Advance network security research at BBN.
Own projects or large components of projects.
Distinguish BBN and yourself to customers by leading and performing cutting edge research.
Travel up to 10%; candidates should expect that they may be required to travel to a BBN, RTX, teammate, or customer site for meetings or other business-related activities.

Qualifications You Must Have

Typically requires: A University Degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or Physics or equivalent experience and minimum 5 years prior relevant experience, or an Advanced Degree in a related field and minimum 3 years experience.
Minimum 3 years’ experience with multiple software development tools and languages, including Python and either C/C++ or Java.
Prior experience with Formal Methods, preferably with the application and scaling of formal methods techniques (e.g. model checking, model measuring, and theorem proving).
Prior experience with mathematical logic and logic programming.
Prior experience with networking fundamentals.
Prior experience in systems security.
Ability and willingness to obtain a Top Secret Clearance within a year.

Qualifications We Prefer

Experience with Formal Methods, specifically with the application and scaling of formal methods techniques such as model checking, model measuring, and theorem proving.
PhD degree.
Experience writing logic for SAT, SMT solvers.
Experience with Python and/or shell scripting.
Experience writing proposals, capture.
Experience in Networking and protocols (TCP/IP stacks, wire-level protocols, RF communications, BGP, etc.).

Location

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.
Hybrid from one of the following locations: Columbia, MD - Arlington, VA - Cambridge, MA
Relocation assistance will be available.

To help you achieve your goals, BBN will provide:

We invent new science by applying cross-discipline techniques in new ways.
Network and Cyber Technologies group anticipates the future of communications from applied physics to fundamental analysis of large application systems.
A strong leadership team well-versed in Government Research & Development.
A collaborative and collegial environment to push state-of-the-art research.
Technically competent pool of research scientists who are willing to mentor, listen, and help you refine your research vision and goals.
Business Development, Programmatic, Contracting, Finance, and HR support.
Access, through RTX, to opportunities that help transition your research and ultimately see it fielded.

Learn More & Apply Now

Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

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 86,800 USD - 165,200 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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