253 security engineer jobs at 81 companies in Simla, CO
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Bluestaq: Develops secure data management platforms for defense and space missions.
5+ YOE5+ years in AI security or AI/ML engineering; hands-on experience with LLMs, RAG, agentic architectures; AWS cloud security; ability to obtain U.S. security clearance.
AWS, NIST AI RMF, TEVV, retrieval-augmented generation, LLM
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEDegree in CS or engineering, 7–9+ years MBSE/ZTA experience, active DoD Secret clearance, ability to obtain baseline security cert (CISSP/CSSLP/ISSEP/ISSAP) within 6 months, RMF and NIST knowledge.
LaunchTech: Technology solutions provider specializing in defense systems and cybersecurity.
2+ YOEEntry-level cyber security engineer role requiring DoD Secret clearance, IAT II, 6+ months IT, 2+ years general work experience, willing to travel up to 10%.
Active Directory, WSUS, SCCM, Windows, Linux, Security Tools
Acuity Innovations: Provides engineering and cybersecurity services for defense missions.
3+ YOEUS citizen able to obtain DoD SECRET, Bachelor's in engineering/math/physics/CS/cyber, 3+ years IAVM and DISA STIG experience, OS fundamentals, troubleshooting, strong written/oral communication.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOE4+ Mgmt8+ years cyber risk management for space mission systems, active TS/SCI clearance, Bachelor's in engineering/math/computer science/cybersecurity, DoD 8140 intermediate cert, leadership experience, EMR not required.
Peraton: Provides advanced technology and mission support for government agencies.
3+ YOEBachelor’s degree with 5+ years or Master’s with 3+ years of relevant experience; active Top Secret clearance with SCI eligibility; cybersecurity engineering/ISSE experience in DoD/IC spaces; ability to work across engineering, software, and operations teams.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOEActive Final Top-Secret clearance and U.S. citizenship, 3+ years network-security experience, IAT Level II (8140) certification or obtain within 60 days, RMF/CSRMC/STIG experience, multi-vendor device and virtualization experience, scripting/automation proficiency, passport and travel flexibility.
Peraton: National security and mission-critical government technology services provider.
3+ YOEExperience performing information systems security engineering in software/system environments; knowledge of NIST SP 800-53; Linux/Windows hardening and monitoring; ability to produce security documentation; minimum Secret clearance with ability to upgrade to TS/SCI.
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEBachelors in CS/engineering,5+ years ISSE or software engineering experience,experience with Linux,Kubernetes,DoD STIGs and RMF,ATO support,air-gapped deployments,security+ certification and active TS/SCI clearance.
The Aerospace Corporation: Provides technical expertise and research for national space programs.
12+ YOEBachelor's in engineering/math/technical science, 12+ years engineering/scientific experience, EW/SATCOM/RF and systems engineering/test & evaluation experience with DoD/IC/Civil, active Top Secret/SCI clearance and U.S. citizenship required.
Millennium Corporation: Provider of specialized cybersecurity and defense engineering services.
6+ YOEActive TS/SCI clearance, 6+ years relevant experience (adjustable by degree), prior government red team experience, ability to create SOPs, and strong problem-solving and documentation skills.
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
2+ YOEActive Top Secret clearance, bachelor’s degree or equivalent, 2+ years related experience, IAT Level II certification, firewall/switch/router configuration experience (Juniper,Cisco,Palo Alto), STIG/NIST knowledge, virtualization and scripting familiarity.
OSI Model, TCP/IP, VLANs, UDP Multicast, Juniper, Cisco, Palo Alto, Microsoft PowerPoint, Microsoft Visio, VMware, ESXi, Python, Ansible, PowerShell, JUNOS
MKS2 Technologies: Delivers cybersecurity and IT solutions to government agencies.
1+ YOEU.S. citizen with passport; Top Secret clearance preferred; Bachelor's +3 years or Master's +1 year; DoD RMF/STIG experience, firewall/switch/router configuration (Juniper/Cisco/Palo Alto), IAT Level II; virtualization and scripting preferred.
DoD RMF, DoDI 8510.01, STIG, NIST CVE, Juniper, Cisco, Palo Alto, JUNOS, Microsoft PowerPoint, Microsoft Visio, VMware, ESXi, Python, Ansible, PowerShell
Auria: Engineering and software solutions for space and defense missions.
6+ YOEBachelor's in CS/IT/Cybersecurity, 6+ years in cybersecurity or information assurance, strong RMF/NIST 800-53 knowledge, hands-on ACAS/Nessus/SCC/Splunk experience, relevant certs (CISSP/CASP+/CEH/Security+), active Top-Secret/SCI clearance and US citizenship.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
8+ YOEActive TS/SCI clearance eligible U.S. citizen with 8+ years cybersecurity experience, 5+ years in ISSM/ISSO/ISSE roles, BS in a STEM field, DoD 8140.3 advanced, RMF/JSIG/NIST expertise, A&A and authorization artifact experience.
Risk Management Framework (RMF), NIST Special Publications (NIST SP), Joint Special Access Program Implementation Guide (JSIG), DISA STIGs