Jobs in the United States

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Added 17 mins ago
Staff Systems Test Engineer, Scenario Quality and Maintenance Systems
Waymo
Mountain View, CA · San Francisco, CA
Waymo is an autonomous driving technology company with the mission to be the world's most trusted driver. Since its start as the Google Self-Driving Car Project in 2009, Waymo has focused…
Added 25 mins ago
Sr. Full Stack Software Engineer, Manufacturing Systems
SpaceX
Bastrop, TX
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…
Added 25 mins ago
Sr. Full Stack Software Engineer
SpaceX
Bastrop, TX
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…
Added 25 mins ago
Full Stack Software Engineer, Manufacturing Systems
SpaceX
Bastrop, TX
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…
Added 25 mins ago
Full Stack Software Engineer, Internal Platforms
SpaceX
Starbase, TX · Brownsville, TX
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…
Added 25 mins ago
Full Stack Software Engineer, Internal Platforms
SpaceX
Hawthorne, CA
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…
Added 29 mins ago
Staff Safety Systems Engineer (Redondo Beach CA)
Northrop Grumman
El Segundo
Northrop Grumman Aeronautics Systems has an opening for a Staff Safety Systems Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization. This…
Added 29 mins ago
Sentinel - Systems Engineer (20086)
Northrop Grumman
Roy
Northrop Grumman Defense Systems is seeking a Systems Engineer to join our team. This position will be located at Roy, UT to support the Sentinel (GBSD) program in the Strategic Deterrent…
Added 29 mins ago
Staff Systems Engineer (Redondo Beach CA)
Northrop Grumman
El Segundo
Northrop Grumman Aeronautics Systems has an opening for a Staff Systems Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization. This role is…
Added 33 mins ago
Principal Software Engineer (Prisma Access)
Palo Alto Networks, Inc.
CA
As a Principal Software Engineer for Prisma Access, you will lead the architecture, systems design, and performance optimization of cloud infrastructure underpinning Palo Alto Networks'…
Added 44 mins ago
Software Engineer, Backend - Deployments
Base Power Company
Austin, TX
We’re looking for a Backend Software Engineer to build the systems driving these workflows.
Added 55 mins ago
Forward Deployed Integrations Engineer
Coursedog
Remote, United States
As a Forward Deployed Integrations Engineer at Coursedog, you'll embed directly with our most strategic customers to own their SIS integration from start to finish, working closely with…
Added 55 mins ago
C
Sales Solutions Engineer - Ed Tech
Coursedog
Remote, United States
- $120,000 to $140,000 USD / year
As a Solutions Engineer at Coursedog, you’ll lead the demos, scoping, and CX calls that align customers, Sales, and Customer Success before a deal is booked. You’ll work closely with…
Added 1 hour ago
CAS/COTS Systems Integration Engineer - Senior
Enroute Computer Solutions Inc
Egg Harbor Twp, NJ
The engineer serves as a technical integrator rather than solely as a Linux administrator. They need to understand how operating systems, applications, hardware, displays, networking,…
Added 1 hour ago
CAS/COTS Systems Integration Engineer - Mid
Enroute Computer Solutions Inc
Egg Harbor Twp, NJ
The engineer serves as a technical integrator rather than solely as a Linux administrator. They need to understand how operating systems, applications, hardware, displays, networking,…
Added 1 hour ago
UO
Testbed and Simulation Engineer
University of Colorado Denver
Boulder, CO
- $99,000 to $156,700 USD / year
We are looking for a Testbed and Simulation Engineer to join the spacecraft test team for a deep space mission that will tour the inner solar system and explore the main asteroid belt…
Added 1 hour ago
Senior Payments Infrastructure Engineer - Crypto, Wallets & Blockchain
Travoom
Remote, United States
The engineer will integrate existing financial services using REST and gRPC, troubleshoot distributed systems, complete end-to-end testing, and ensure the infrastructure is secure,…
Added 1 hour ago
Principal AI Architect - OleOle
Travoom
Remote, United States
OleOle is building a global social network and messaging platform for football fans. Our mission is to create a single global community where supporters can follow their club and country,…
Added 1 hour ago
Systems Engineer
Advanced Acoustic Concepts, LLC
Lemont Furnace, PA
Involved with the analysis, design, development and implementation of new and/or existing systems/sub-systems. May include Architectural Design, Requirements Engineering, or others.…
Added 1 hour ago
Software Engineer II - Building Applications
Pacific Northwest National Laboratory
Jefferson City, MO
The BS&DG is seeking a Software Engineer II - Building Applications with strong knowledge of software engineering and web application development to contribute to building technology…
Added 1 hour ago
S
Senior Full Stack Ruby on Rails Engineer
SmartFinancial
Remote, United States
- $150,000 to $170,000 USD / year
We’re seeking an experienced Senior Full Stack Ruby on Rails Engineer to help build, evolve, and scale the core systems that power our agent-facing, carrier-facing, and internal…
Added 1 hour ago
Engineering Intern - Summer 2027
Ametek, Inc.
Pierceton, IN
AMETEK’s mission is to solve our customers’ most complex challenges with differentiated technology solutions. We employ Engineers in the following specialty areas:
Added 1 hour ago
AS
Senior Systems Engineer
Andromeda Systems Incorporated
Jacksonville, FL
- $48 to $87 USD / hour
ASI is seeking a Senior Systems Engineer to support DoD aviation programs through reliability analysis, lifecycle sustainment, and readiness assessments. This highly motivated individual…
Added 1 hour ago
Mojo Libraries Engineer (Copy)
Modular
Remote, United States
, we’re on a mission to revolutionize AI infrastructure by systematically rebuilding the AI software stack from the ground up. Our team, made up of industry leaders and experts, is building…
Added 1 hour ago
TT
Electrical & Computer Engineer
True Talent Solutions Partners
Los Angeles, CA
- $120,000 to $220,000 USD / year
Join a small team as its first dedicated electrical and computer engineer. You will own the flight computer for a satellite mission and help develop GPU compute electronics for AI inference…

STR

Senior Cyber Software Engineer

Woburn, MA, United States

Pay Information Full-Time Salary Range: $138,000 - $190,000

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Job details

Pay: Pay Information Full-Time Salary Range: $138,000 - $190,000
Experience: Bachelors degree in Computer Science, or related field with a minimum 5 years of relevant professional experience (MS plus 3 years experience or PhD may be considered)
Posting language: English
Posted: Nov 5, 2026

Original job description

The Defensive Cyber Technologies (DCT) group at STR is seeking a Senior Cyber Software Engineer to develop software and technical capabilities that improve the security and resiliency of critical national defense systems. Our team hardens customer codebases, conducts cybersecurity assessments of operational software, and develops and applies first-of-its-kind cybersecurity tools to identify and remediate vulnerabilities before they affect mission-critical systems.

What you'll do:

Work as part of a high-functioning team to apply advanced software engineering principles to develop robust, resilient software solutions for national security missions
Perform comprehensive security assessments on operational software and mission-critical systems
Identify, validate, and remediate vulnerabilities
Design, build, and execute novel fuzzing campaigns to uncover security weaknesses
Develop static and dynamic analysis tools to detect, report, and remediate vulnerabilities in software systems
Communicate technical findings, risk, and remediation recommendations to engineering and customer stakeholders

Who you are:

This position requires an Active Secret or Top Secret security clearance, for which US citizenship is needed by the US Government.
Bachelors degree in Computer Science, or related field with a minimum 5 years of relevant professional experience (MS plus 3 years experience or PhD may be considered)
Strong proficiency in C or C++ and the ability to learn and work effectively in additional languages as needed
Strong systems programming foundation, including familiarity with OS internals, ABI/calling conventions, memory and process management, and assembly-level debugging
Experience working with compiler and build toolchains such as LLVM/Clang, GCC, and CMake.

Nice to have:

Experience with dynamic analysis and fuzzing tools, such as PIN, DynamoRio, and AFL++
Proficiency in Rust
Experience with container and virtualization technologies, such as Docker and QEMU
Familiarity with reverse engineering and binary analysis using tools such as Ghidra, IDA Pro, Binary Ninja, or objdump

Pay Information Full-Time Salary Range: $138,000 - $190,000

The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate’s experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.

STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, Carlsbad, CA, Atlanta, GA, and Denver, CO. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.

STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.

If you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.

Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.

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More about this job

Skills

Computer science
C
C++
Assembly
Debugging
CMake
Rust
Docker
Reverse engineering
Ghidra

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