Security Engineer
Objective Paradigm
Reference: 25879Location: New York, NY, United StatesIndustry: Crypto/Web3Posted: 2026-04-28Contact: Mike LaTulipEmail: View email address on click.appcast.io EngineerLocation: Remote / Distributed (Global)About the Opportunity We are seeking an experienced Security Engineer to join a high-impact team building core decentralized infrastructure that processes billions in daily transaction volume. This role offers the chance to own a massive technical scope—ranging from hands-on code reviews and threat modeling to building custom adversarial testing frameworks—within a fast-moving organization that has already achieved significant product-market fit. You will report directly to the Head of Security, playing a pivotal role in scaling security operations and protecting critical on-chain ecosystems.ResponsibilitiesApplication Security & Reviews: Conduct deep-dive security assessments across the product suite, including white-box code reviews, functional testing, fuzzing, and comprehensive threat modeling.Identity & Access Management: Oversee the full lifecycle of identity operations, including provisioning, monitoring for anomalous changes, and managing access for critical systems.Security Research & Automation: Design and build custom tooling for AI security and adversarial testing, focusing on reusable patterns for agent controls.Vulnerability Management: Lead the day-to-day operations of the bug bounty program, managing triage, remediation workflows, and high-priority escalations.Supply Chain & Compliance: Implement advanced monitoring for software supply chain risks beyond standard scans and coordinate external penetration testing engagements.Strategic Defense: Manage software security documentation and evidence gathering to support evolving compliance and organizational requirements.Requirements (Must-have)Engineering Foundation: Strong background in software engineering with a transition into product or application security (5+ years of total professional experience).Programming Proficiency: Expertise in at least one systems-level or backend language—such as Rust, Go, or C++—with the ability to read production code and build security tooling from scratch.Domain Expertise: Fluency in the full security lifecycle, including secure design reviews and vulnerability testing, specifically within Web3, DeFi, or cryptocurrency environments.Analytical Mindset: Demonstrated experience in building security automation and conducting rigorous reviews on live production systems.Communication: Exceptional written communication skills for technical documentation and cross-team collaboration.Preferred Qualifications (Nice-to-have)System Hardening: Proficiency in Linux administration, kernel-level security primitives, and hardening environments.Key Management: Experience with multisig schemes, signing policy design, and hardware security modules (HSMs).Advanced Architecture: Familiarity with Trusted Execution Environments (TEEs), confidential computing, or secure enclave design.Infrastructure Management: Hands-on experience with Enterprise IAM/SSO systems and Mobile Device Management (MDM) platforms.Compensation & BenefitsHighly competitive total compensation package including salary and multiple forms of equity.Fully covered (100%) health benefits for employees.Budget for professional development, including global team retreats and industry conferences.Weekly allowances for meals and remote work support.#LI-KH1
$165k - $242k
...CRWV) in March 2025. Learn more at .What You’ll Do:The Enterprise Security team at CoreWeave is responsible for securing how our people... ..., this is the team to join.About the Role:As a Senior Security Engineer, Enterprise Security, you’ll design and ship the security controls...SuggestedPermanent employmentFull timeTemporary workFor contractorsCasual workWork at officeRemote workFlexible hours$237.6k - $297k
We are seeking a highly technical Security Engineer to join our Product Security team. This role is integral to ensuring the security and integrity of our products and services. You will conduct in-depth code reviews, implement security best practices, and influence the...SuggestedFull time$175.1k - $236.9k
...checkout retail, we push the boundaries of technology in every direction using the globe’s largest AWS deployment.As a Senior Security Engineer, you will collaborate with software development teams to ensure we keep our customers safe while developing these novel services...SuggestedInternshipFlexible hours$159.3k - $212.8k
...to no-checkout retail, we push the boundaries of technology in every direction using the globe’s largest AWS deployment.As a Security Engineer, you will collaborate with software development teams to ensure we keep our customers safe while developing these novel services...SuggestedInternshipFlexible hours$167.5k - $226.3k
...team.Our ValuesIf this sounds like you, you’ll fit right in.Who You AreJustworks is looking for an experienced, hands-on Senior Security Engineer specializing in AI who will drive and execute the company’s AI strategy and Digital Security’s objectives. Our ideal candidate...SuggestedCasual workWork at officeLocal area$147k - $210k
...) tooling to scale advanced vulnerability research, defensive engineering, and mitigation strategies across the organization.Participate... ...into our VRP pipeline to improve efficiency.Conduct deep-dive security research into Android vulnerabilities and threat vectors, converting...$174k - $252k
Identify security issues and implement and design security controls, tools, and services to improve security systems and processes.Drive... ...or threat modeling.5 years of experience with security engineering, computer and network security and security protocols.5 years...$200k - $220k
...employees, their laptops, their identities, and the SaaS apps they rely on every day.We are looking for a hands-on Corporate Security Engineer to own and improve the technical controls that keep our workforce and corporate environment safe. This is a security engineering...Work at officeLocal area$195k - $240k
Here at Datadog, we think about offensive security a little bit differently. We embrace automation and AI to run adversary simulations... ...massive cloud-native environment, and we expect our offensive engineers to build the tooling that makes that possible. We're looking...Work at office$159.3k - $212.8k
The AWS Security Hub team is looking for a passionate and innovative security engineer with a focus on compliance and security best practices for AWS, Azure, and GCP services. AWS Security Hub is the security and compliance center for AWS customers. One of its main functions...InternshipFlexible hours$240k - $270k
...Job DescriptionJob Family: Cybersecurity EngineeringReports to: Cybersecurity Engineering ManagerDirect Reports: NonePOSITION SUMMARY STATEMENTWe are seeking an experienced Application Security Engineer to build, mature, and scale our AppSec program. In this role, you...Full timeTemporary workWork experience placementFlexible hours$237.6k - $297k
We are seeking a Senior Security Engineer with a specialty in Detection and Incident Response to join our Security Engineering team. This role sits at the intersection of security operations and software engineering — you won't just investigate incidents, you'll build the...Full time$10k
...to build systems that directly shape how companies move and manage billions, Ramp is the place to do it.As Ramp’s founding Privacy engineer, you will build a privacy program that powers Ramp’s growth while earning trust from customers and prospects.What You’ll DoBuild...Full timeWork at officeRemote workHome officeFlexible hoursShift work$114.39k - $240.35k
...information systems. The position provides certified and licensed security support to ensure systems meet FAA, federal, and NIST security... ...life cycle.Position SummaryThe Information Systems Security Engineer/Analyst provides security engineering, analysis, and compliance...Full timeContract workPart timeLocal areaRemote work- ...environment, ensuring robust protection against evolving threats.Collaborate remotely with cross-functional teams to implement cutting-edge security solutions.Lead proactive threat analysis, incident response, and vulnerability management initiatives.Contribute to the...Remote work
- ...platforms (ServiceNow & SailPoint IIQ/ISC)Education Required Bachelor DegreeYears Experience Required 2+TECHNICAL SKILLSMust Have2+ Years Security AdministrationActive Directory account administrationActive Directory File Shares/Permissions• Bachelor’s degree / University...Full time
$112.3k - $151.5k
...best version of themselves. As a technology-enabled business, our approach to security operations must evolve and grow alongside our services and members. We are looking for a Security Engineer with a diverse set of skills that can thrive in a challenging, fast-paced,...Local areaFlexible hours$150k - $250k
Hudson River Trading (HRT) is seeking a curious, innovative Security Engineer to join our Enterprise Security team and help safeguard the infrastructure behind one of the world’s most demanding trading environments, with a focus on both performance and resilience. This...Work at officeLocal areaImmediate start- ...critical piece of financial infrastructure that allows for the improvement of global money movement.What you'll doWe're hiring a Security Engineer to build and scale the Bridge security foundation. This is a rare opportunity to design a security program from the ground up,...
$10k
...billions, Ramp is the place to do it.About the RoleThe Product Security team helps make Ramp the most secure place for our customers... ...issues across our technology stack: collaborating with other engineers to triage and fix vulnerabilities discovered internally, through...Full timeWork at officeHome officeFlexible hours$153k - $376k
...together in real time from anywhere in the world. If you're excited to shape the future of design and collaboration, join us!As a Security Engineer you will identify and drive impactful projects to improve the security of Figma’s product, platform, and IT systems. We are...Minimum wageFull timeLocal areaRemote workFlexible hours- ...Francisco, NYC, or London offices. You'll own application security at a company where the app layer is the highest-priority security... ...and guardrails that make the safe path the easy path for 50+ engineers Threat models for new features and architecture changes -...Work at officeRemote workRelocation packageShift work
Mercor Alabaster
New York, NY3 days ago - ...join us on our journey to create a better future of work with AI. About the role This is where security meets innovation at enterprise scale. As a security engineer, applications at WRITER, you'll be building the security foundations that protect the AI systems...Full timeWork at officeLocal areaFlexible hours
Writer Corporation
New York, NY2 days ago - ...Corporate Security Engineer Millions of people rely on Notion to do their most important work. Protecting that trust starts with protecting the people who build Notion: our employees, their laptops, their identities, and the SaaS apps they rely on every day. We are...Local area
Notion, LLC
New York, NY1 day ago - ...fraud, AI-driven scams, and identity abuse spread faster than any security team can respond to. So we built something different: an... ...weeks. Built by ex-Palantir, ex-CTO/founders, and ex-Notion engineers, Outtake is designed for clarity, autonomy, and velocity. Our...Full timeWork at officeFlexible hours
Out Take
New York, NY14 hours ago - ...13, the company is headquartered in San Francisco with offices in New York, Washington D.C., London and Amsterdam. Security Engineering is the engineering function inside the Plaid security org that focuses on developing the industry-leading security systems and...Full timeWork experience placementLocal area
Plaid
New York, NY14 hours ago $40 - $60 per hour
...A security technology firm is seeking a Senior Loss Prevention IT Security Engineer. This role requires expertise in installing and programming systems like Genetec and network troubleshooting with a focus on access control and CCTV systems. Candidates should have 8+ years...Hourly payContract workCedent
New York, NY4 days ago$140k - $215k
...A leading cybersecurity firm is seeking an Engineering Manager for its Proactive Security team in New York. The role involves leading a team of engineers to enhance cloud security and prevent threats using advanced detection techniques. Candidates should have strong cloud...CrowdStrike
New York, NY4 days ago- ...GEM Technologies is seeking a Senior Systems Engineer to maintain Windows-based infrastructure, cloud platforms, and security for client environments. You will design, deploy, and manage servers and services while working with a team to keep systems secure and high-performing...
GEM Technologies
New York, NY3 days ago - ...Danaher is expanding its AI/ML engineering team to build production-grade legal AI solutions. You will design end-to-end workflows for... ...and deliver scalable document processing pipelines with strong security and governance. Remote work options are available, with a focus...Contract workRemote work
Danaher Corporation
New York, NY4 days ago
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