senior software security engineer

Job ID: 01876904Posted: Posted TodayStart Date: 2026-09-23Location: US-CA-GOLETA-H03 ~ 6380 Hollister Ave ~ BLDG H03Country: United States of AmericaTime Type: Full timeDate Posted:2026-09-23 Country:United States of America Location:US-CA-GOLETA-H03 ~ 6380 Hollister Ave ~ BLDG H03 Position Role Type:Onsite U.S. Citizen,...

Date Posted: Country: United States of AmericaLocation: US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)Position Role Type: OnsiteU.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...

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we...

Join us in building the future of finance.Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading.About the Role &...

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core,...

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we...

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we...

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s...

At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real...

About Valar AtomicsAt Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and...

We're partnering with a rapidly growing AI infrastructure startup that is redefining how enterprises automate complex operational workflows. Backed by some of Silicon Valley's leading investors and AI pioneers, the company has built a platform that transforms highly technical business processes into natural-language-driven software, enabling Fortune 500...

San Francisco, CA; New York, NY; Seattle, WAFull TimeSenior Software Security EngineerAbout AnthropicAnthropic's mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and...

Date Posted: Country: United States of AmericaLocation: US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)Position Role Type: OnsiteU.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...

The CERT Division of the Software Engineering Institute (SEI) is seeking applicants for the role of Senior AI Security Software Engineer. Established in response to the Morris worm, CERT has been a leader in cybersecurity research, advancing the resilience of software systems and responding to sophisticated cyber threats. As AI becomes central to critical...

Date Posted: Country: United States of AmericaLocation: US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)Position Role Type: OnsiteU.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...

Join us in building the future of finance.Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading.About the team +...

Valar Atomics is seeking a Software Security Engineer to embed security into the software development lifecycle from design through shipped code. The role spans early design reviews and post-development code reviews, focusing on secure architecture decisions and vulnerability remediation across C#, Python, React, and Postgres.Ideal candidates have experience...

Senior Software Security EngineerLocation: Tucson, AZ (On site)What You Will DoProvide world‐class security software for newly deployed missile systems.Design, develop, integrate, and test real‐time missile software.Apply system security principles to software design and implementation.Develop applications using C/C++ on embedded platforms.Understand...

AI Development & Agent Ops — Senior Principal Software Security EngineerWhy This RoleThis is not a support role. Dell's AI Development & Agents Ops organization is operating at the frontier of what it means to build software with AI — and this individual will be in the engine room making it work. You will partner directly with a VP who is deeply engaged...