43 security software engineer jobs at 17 companies in Windsor, CO
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Arvada or Los Angeles or San Francisco or Seattle or Washington
HybridFull Time
Quindar: Cloud-native software for automated satellite mission operations.
8+ YOE3+ MgmtLead complex software and systems engineering in aerospace/defense; architecture focus; leadership; government programs; security clearance readiness.
EmersonNYSE: EMR: Engineering industrial automation and software solutions for global industries.
5+ YOEBS in engineering or related field, 5+ years embedded real-time software development experience with Linux-based systems, proficiency in C/C++, bash and Python, Git, familiarity with hardware interfaces and security standards, autonomous design skills, and legal US work authorization.
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
7+ YOERequires advanced software development experience (C++, Linux, multithreading, TCP/UDP sockets), 7+ years' experience (varies by degree), ability to obtain DoD security clearance, and strong communication and testing skills.
Colorado Springs or Durham or Spring or Fort Collins or Andover
$170k-$323k/yrHybridFull Time
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
10+ YOEBachelor’s degree in CS/Engineering/Info Systems, 10+ years cybersecurity engineering and software development, experience with security architectures, standards and certifications, strong communication and executive influence skills.
Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1AR Device Identities, NIST SP 800-53, DISA SRG/STIG, Common Criteria, Agentic AI, FIPS, TLS, SSH, Cryptography
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
5+ YOE5 years in DevOps/software/infrastructure engineering; US citizen with SECRET clearance; Cloud/CI/CD experience; Terraform/Kubernetes; Python/Java preferred.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOE3+ years coding experience in Java, C#, or C++; Agile experience; Secret security clearance required; BS degree typically required; experience with containerization and CI/CD preferred.
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years C++ development, experience with low-latency high-throughput Linux systems, firmware debugging, networking/security fundamentals, and eligibility for U.S. security clearance.
Sovrn: Provides software and data tools for digital publishers to monetize.
Deep expertise designing and evolving distributed scalable systems, strong focus on performance/security/compliance, IaC and scripting experience (Terraform/CloudFormation, Python/Bash/Go), and leadership/mentorship skills.
SciTec: Provides advanced remote sensing and missile defense technology solutions.
5+ YOEBachelor's in CS/physical science/math/engineering, 5+ years C++ experience, 3+ years Linux, strong data structures/algorithms and performance optimization, ability to work onsite in Boulder and obtain DoD security clearance.
C++ 17, C++ 20, C++ 23, Linux, CUDA, OpenCL, Python, Rust, Java, MATLAB, Jira, Confluence, Agile, Scrum
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
5+ YOEBS/MS in EE/CE/CS,5+ years SW development in C#/C++,experience with RF measurements and Keysight PNA/VNA preferred,eligible U.S. person and able to obtain DoD security clearance,10-25% travel.
C#, C++, Keysight PNA/VNA, Confluence, Jira, BitBucket, Signal Generator, Signal Analyzer
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
12+ YOEBachelor's or master's in CS or related; 12+ years embedded software; expertise in firmware security, C/C++, Python, Go; Linux development; RESTful APIs; SDLC; strong communication.
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
12+ YOEBachelor’s or Master’s in computer science or information systems; 12+ years embedded software experience; strong C/C++, Python, Go; Linux development; RESTful APIs; firmware security features (HWRot, IDEVID, Platform Certificates); SDLC mastery.
C, C++, Python, Go, Linux, RESTful API, Firmware Security Features
Red 6: Provides augmented reality synthetic air combat training for military pilots.
8+ YOE3+ MgmtBachelor's in STEM, 8+ years test engineering experience, 3+ years leading people, hands-on hardware/software test experience, ability to obtain U.S. government security clearance (U.S. citizenship required).
Senior Technical Program Manager - Security & Identity
Atlanta or Austin or Boulder or Charleston or Chicago or Cleveland or Columbus or Dallas or Detroit or Houston or Indianapolis or Las Vegas or Madison or Orlando or Phoenix or Portland or Reno
$164k-$202k/yrRemoteFull Time
New Relic: Provides an observability platform for monitoring and improving software performance.
8+ YOE8+ years TPM/engineering experience, 6+ years program management, bachelor’s in CS or equivalent, experience delivering software products, strong communication and risk management skills.