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Information Systems Security Engineer (ISSE)
Design and implement cybersecurity controls for DoD systems, integrating RMF, Zero Trust, and DevSecOps practices across cloud-native and containerized environments.
Penetration Tester
Perform advanced Red Team penetration tests, developing custom exploits and implants to simulate real-world cyberattacks for clients across mobile, desktop, IoT, and cloud environments.
Node.js and QA Automation Engineer
Build and maintain Node.js backend services and microservices for corporate banking apps while designing automated test suites to validate APIs, integrations, and transaction flows.
Security Engineer (Remote)
Build and own Odyssey’s security program from the ground up, embedding security into the product and cloud stack while driving compliance and threat detection with AI-assisted tooling.
Senior Product Marketing Manager, WebApp
Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix, and verify exploitable attack vectors before criminals exploit them.…
Application Security Engineer
Embed security testing into the software lifecycle, perform SAST/DAST/IAST/SCA scans, manual penetration tests, and secure code reviews for web, mobile, and API systems.
Appsec | Security Analyst | Mid e Senior(Remote)
Security Analyst monitors threats, assesses vulnerabilities, and integrates security into software development using DevSecOps and cloud practices like Azure.
Digital Network Exploitation Analyst Level 3
Analyze cybersecurity and SIGINT data to map target networks, develop exploitation plans, and create tradecraft for intelligence operations in a government/military context.
Digital Network Exploitation Analyst
Analyze SIGINT and cybersecurity data to map networks, develop exploitation plans, and create tradecraft for intelligence operations in collaboration with government and military teams.
Senior Network Engineer, Data Center
Lead design and operation of enterprise data-center networks, DWDM optical transport, and cybersecurity infrastructure, using Cisco/Juniper/Arista and automation tools like Python/Ansible.
Software Engineer (AI Engineering)
Builds and deploys an AI-powered autonomous penetration testing platform using LLMs and agents, integrating Python/Go backend services with TypeScript/React dashboards.
Lead Specialist, Mobile Data Engineering (Networks)
Lead the planning and architecture of mobile data platforms for 4G and 5G networks, ensuring scalability, automation, and security while aligning with business and operational goals.
Lead Specialist, Mobile Data Engineering (Networks)
Lead the planning and architecture of mobile data platforms for 4G/5G networks, including core, analytics, and automation, while managing budgets and vendor relationships.
Assistant Manager, Data & AI (AI Engineer)
Build and deploy AI applications and data pipelines for a Singapore government agency, ensuring security compliance and operational reliability.
Assistant Manager, Data & AI (AI Engineer)
Build and deploy AI applications (e.g., conversational assistants, RAG systems) and data pipelines for a Singapore government agency, ensuring security compliance and operational reliability.
Senior Software Engineer (React/Java)
Maintain and modernize enterprise Java applications with React frontends, handling bug fixes, performance tuning, and production support in a hybrid Singapore role.
Backend Engineer (Java, Spring Boot)
Build and maintain scalable Java/Spring Boot microservices for a client platform, focusing on performance, security, and CI/CD automation.
Databricks Infrastructure and DevOps Engineer
Design and maintain Databricks clusters on AWS GCC, automate CI/CD with GitLab and SHIP-HATS, and enforce security compliance for government data systems.
DevOps Engineer
Design and maintain secure CI/CD pipelines, automate cloud infrastructure with Terraform, and manage AWS services while embedding DevSecOps and SRE practices.
Fullstack Developer with Python
Builds and maintains Python-based REST APIs, data pipelines, and CI/CD workflows for a cybersecurity team that automates vulnerability detection and integrates third-party security tools.