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Today

Role: Software Security Engineer Location: Remote (Quantico, VA and other areas within DMV) Duration: Long Term Contract Job Description: Required skills/Level of Experience: Active TS w/ SCI eligibility10+ years in cybersecurity engineering or security engineer rolesCISSPExperience supporting ATO processes and implementing security controlsStrong understanding of federal security frameworks and NBIS requirementsSkilled in container security and cloud-native security practicesFamiliarity with v

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Contract

Depends on Experience

Senior Software Security Engineer- Cloud/GovCloud (Top Secret cleared)

Washington

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Today

Please note: This role is contingent upon a contract award. While it is not an immediate opening, we are actively conducting interviews and extending offers in anticipation of the award. The Work: ICF is seeking an experienced and driven Software Security Engineer to lead and oversee mission-critical initiatives in support of the Defense Counterintelligence and Security Agency (DCSA). In this role, you will help safeguard applications and cloud-based systems by integrating security best practic

Full-time

USD 130,687.00 - 222,169.00 per year

Software Security Engineer

McLean, Virginia

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Today

Position Title: Software Security Engineer Only w2 candidates can apply for this role. Job Description: The overall responsibility of the Software Security Engineer is to implement, test, and operate advanced software security techniques in compliance with technical reference architecture. Perform on-going security testing and code review to improve software security. Troubleshoot and debug issues that arise. Provide engineering designs for new software solutions to help mitigate security vulne

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Contract

Depends on Experience

Application Security Analyst

Plano, Texas

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14d ago

Job Title: Application Security Analyst Location: Plano, TX, Hybrid: 3 days onsite Duration: 12 Months Pay Range: $65/hr-$75/hr on W2 (DOE) JOB DESCRIPTION We are seeking a skilled and proactive Application Security Analyst to integrate security practices into our DevOps processes. The ideal candidate will work closely with development and operations team to ensure secure software delivery pipelines, automate security controls, and foster a culture of shift left in the organization. What youll

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Contract

$75.86

Network Security Software Engineer

Remote

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7d ago

A senior-level Network Security Software Engineer responsible for developing and maintaining high-performance network protocol decoding engines optimized for deep packet inspection at speeds exceeding 100 Gbps. The role involves designing features for Linux-based security appliances, collaborating with cybersecurity and AI teams, and ensuring the robustness and reliability of security solutions in real-time environments. The position offers the opportunity to work on cutting-edge packet processi

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Contract, Third Party

Depends on Experience

Principal Software Security Engineer, Onsite

El Segundo, California

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Today

Date Posted: 2026-03-10 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 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.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is r

Full-time

USD 118,300.00 per year

Principal Software Security Engineer - S3E

Tucson, Arizona

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Today

Date Posted: 2026-02-04 Country: United States of America Location: US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site) 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.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we

Full-time

USD 107,500.00 per year

Senior Software Security Engineer - S3E

Tucson, Arizona

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Today

Date Posted: 2026-01-21 Country: United States of America Location: US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site) 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.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we

Full-time

USD 86,800.00 per year

Senior Principal Software Security Engineer, Onsite

Hollister, California

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Today

Date Posted: 2026-02-13 Country: United States of America Location: US-CA-GOLETA-H01 ~ 6380 Hollister Ave ~ BLDG H01 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.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in

Full-time

USD 145,600.00 per year

Senior Principal Software Security Engineer - S3E

Tucson, Arizona

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Today

Date Posted: 2026-03-02 Country: United States of America Location: US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site) 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.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At

Full-time

USD 132,400.00 per year

Senior Software Security Engineer, Full Stack

Costa Mesa, California

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Today

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 family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 191,000.00 - 253,000.00 per year

Senior Software Security Engineer (Distributed Systems)

San Francisco, California

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Today

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Software Engineering Job Details About Salesforce Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn't a buzzword - it's a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate

Full-time

USD 148,500.00 - 223,900.00 per year

Senior Software Security Engineer- Cloud/GovCloud (Top Secret cleared)

Washington, District of Columbia

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10d ago

Full-time

USD 130,687.00 - 222,169.00 per year

Senior Principal Embedded Software Security Engineer (hybrid)

Remote or Westford, Massachusetts

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Today

Our global Fire Detection product group located in Westford, MA, USA offers you the possibility to interact with other development centers and teams around the world! The opportunities for professional development and career opportunities are endless, given our broad portfolio of products and services within Fire Detection. Work/life balance is important to us, and we offer a flexible hybrid work model. You will also get exposure to leading edge technology, exciting projects, and life-saving pro

Full-time

USD 120,000.00 - 170,000.00 per year

Linux Software and Security Engineer - eLxr (3+ years)

Austin, Texas

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Today

bout the opportunity eLxr is a Debian-based Linux distribution engineered for performance, reliability, and enterprise class- security. We are expanding our core engineering team and seeking a Linux Software & Security Engineer with strong programming, packaging, and security expertise to help evolve and secure the platform. s a Linux Software and Security Engineer on the eLxr team, you will design, develop, and maintain security related components across the distribution while also contributing

Full-time

Linux Software and Security Engineer - eLxr (6+ years)

Austin, Texas

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Today

Full-time

Linux Software and Security Engineer - eLxr (12+ years)

Austin, Texas

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Today

Full-time

Lead, Software/Security Validation Engineer (Crypto1 1

Carlsbad, California

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 135,000.00 - 250,500.00 per year

Senior Security Software Engineer, Infrastructure Security

San Mateo, California

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Today

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op

Full-time

USD 216,680.00 - 269,170.00 per year

Security Software Engineer, Applied Computing (Starshield)

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SECURITY SOFTWARE ENGINEER, APPLIED COMPUTING (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and comm

Full-time

USD 130,000.00 - 150,000.00 per year

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