OptiTalent · Job Finder
Security jobs
4,887 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
4,861–4,880 of 4,887 jobs
Cyber Security Researcher
58 months agoCsit · Singapore
On-siteFull-timeSecurityInvestigate threats and assess the impact on systems and software; Conduct research to gain in-depth understanding of the operating system architecture (kernel and subsystems) and how these subsystems could be exploited by malware; Perform information security assessments…
Cyber Security Researcher (Telecommunications)
58 months agoCsit · Singapore
On-siteFull-timeSecurityConduct R&D on state-of-the-art telecommunications, mobile technologies and enterprise Unix-based systems to conceptualize, design and develop advanced solutions and capabilities; Perform threats and impact assessments through vulnerability research, code audit, black box…
Cyber Threat Investigator
58 months agoCsit · Singapore
On-siteFull-timeSecurityDetect anomalous behaviours via IOCs; Assess potential malicious nature; Build and expand threat profile; Describe adversary’s tactics; Respond to threats identified where needed
Senior Cyber Threat Investigator
58 months agoCsit · Singapore
On-siteFull-timeSeniorSecurityOvercome techniques employed to mask anomalous behaviours.; Improve and automate validation or detection techniques.; Identify alternate fingerprinting techniques to extend visibility.; Assess adversary’s objectives, sophistication, resources and ops-security.
Senior Cybersecurity Penetration Test Specialist
58 months agoCsit · Singapore
On-siteFull-timeSeniorSecurityLeverage advance techniques to pentest well secured networks/devices (e.g., restricted/closed networks); Develop advance penetration techniques that overcome cyber defence mechanisms; Identify key technology trends and lead technical initiatives to advance penetration…
Sr. Security Engineer (Penetration Testing)
58 months agoCertiK · United States
RemoteFull-timeSenior$100K – $180K a yearSecurityThe primary responsibility of this role is for CertiK’s security-related services. Intersecting cybersecurity and blockchain, CertiK’s security offerings include security consulting, security reviews, security auditing of smart contracts and blockchains, verification of smart…
Cyberspace Operations Instructor: Programming
58 months agoARSIEM · Pensacola, Florida, United States
On-siteFull-timeSecurityPerform duties as CO Instructor for Programming (intermediate or advanced level) by delivering highly technical training in a military training environment consisting of lectures, labs, exercises and other delivery methods; Assist with developing CO training curriculum (lecture…
ARSIEM · Pensacola, Florida, United States
On-siteFull-timeMid levelSecurityPerform duties as CO Instructor for Networking by delivering highly technical training in a military training environment consisting of lectures, labs, exercises and other delivery methods.; Assist with developing CO training curriculum (lecture content, student/instructor…
Cybersecurity Analyst (Remote)
62 months agoLever Implementation Training Environment · San Diego, California, United States
RemoteFull-timeSecurityPLEASE READ: these jobs are testing jobs of Lever's testing environment - please do not apply for this job.
Classroom Security Paraprofessional
65 months agoThe Menta Education Group · Plainfield, Illinois, United States
On-siteFull-time$17.97 – $27.06 an hourSecurityAs a Paraprofessional with The Menta Education Group, you will be responsible for working with classroom instructors and staff to offer targeted teaching and support to students in the classroom, as well as general support for all students in the school.
Security and Safety Staff - Bowery Presents MA | The Sinclair, Royale, Roadrunner, Suffolk Downs
65 months agoAEG Worldwide · Cambridge, Massachusetts, United States
Lead / staff$18.21 – $25.71 an hourSecurityThe Security Officer will maintain the safety of all employees, guests and clients at shows, events, festivals, tours, one-offs and venues through constant patrol, observation and documentation. This position will be first point of contact for all security related issues and…
ARSIEM · Columbia, Maryland, United States
On-siteFull-timeSenior$193K – $216K a yearSecurityPerform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies.; Validate and verify system security…
Ubuntu Security Engineer
69 months agoCanonical · Remote
RemoteFrom $2,000.00 a monthSecurityAnalyzing, fixing, and testing vulnerabilities in open source packages; Keeping track of vulnerabilities in the Ubuntu ecosystem as they are discovered, researched, and fixed, leveraging internal tools; Collaborating with other teams in the Ubuntu community and upstream…
Synack Red Team - Pentester
69 months agoSynack SRT · Remote
RemotePart-timeSecurityThe Synack Red Team (SRT) gives the most talented cybersecurity researchers across the globe a platform to do what they love and get paid for it. As a private community of highly-curated and vetted security penetration testers, the SRT is challenged every day to deliver…
CertiK · United States
RemoteFull-timeSenior$102K – $180K a yearSecurityWe are seeking a Senior Blockchain Security Engineer with a strong security mindset and deep technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. You will play a critical role in safeguarding Web3 projects by auditing code, building…
Blockchain Security Researcher
71 months agoOpenZeppelin · Remote
RemoteSecurityOpenZeppelin is the security standard onchain finance is built on. Founded in 2015, our mission is to accelerate the world's transition to an open financial system, built on open standards and secured by rigorous research.
Classroom Security Paraprofessional
72 months agoThe Menta Education Group · Bourbonnais, Illinois, United States
On-siteFull-time$17.97 – $27.06 an hourSecurityAs a Paraprofessional with The Menta Education Group, you will be responsible for working with classroom instructors and staff to offer targeted teaching and support to students in the classroom, as well as general support for all students in the school.
National Information Solutions Cooperative (NISC) · Any NISC, United States
Full-timeSecurityNISC develops and implements enterprise-level and customer-facing software solutions for over 1200+ energy cooperatives and communication organizations across North America. Our mission is to deliver technology solutions and services that are Member-focused, quality-driven and…
Security Engineer
78 months agoLever Implementation Training Environment · Boston, Massachusetts, United States
SecurityPLEASE READ: these jobs are testing jobs of Lever's testing environment - please do not apply for this job.
Classroom Security Paraprofessional
81 months agoThe Menta Education Group · Waukegan, Illinois, United States
On-siteFull-time$17.97 – $27.06 an hourSecurityAs a Paraprofessional with The Menta Group, you will be responsible for working with classroom instructors and staff to offer targeted teaching and support to students in the classroom, as well as general support for all students in the school.
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.