Priority engineering and mission roles

Cryptography / PQC Engineer

Design and review key establishment, signatures, AEAD, KDFs, key lifecycle, crypto-agility and post-quantum migration. Strong applied cryptography, protocol analysis and secure implementation experience.

HELIX25AI SDK Engineer

Build a hardened cryptographic SDK/core in Rust/C/C++ with stable APIs and language bindings, test vectors, fuzzing, interoperability harnesses and secure memory handling.

Secure Systems Engineer

Rust/C++ systems engineering for high-assurance clients, services, networking, storage, update mechanisms, IPC, sandboxing and secure platform integration.

Cloud Backend / Distributed Systems Engineer

Design secure, resilient backend services in Rust/Go/Python with strong identity, messaging, data stores, observability, HA/DR and customer-controlled deployment patterns.

Android Security Engineer

Kotlin/Java Android development with secure storage, device attestation, networking, background services, media, notifications and Rust-core integration.

iOS / macOS Security Engineer

Swift/SwiftUI engineering with secure enclave/keychain integration, networking, media, app lifecycle, hardened storage and shared cryptographic-core integration.

Windows / Linux Client Engineer

Windows (.NET/WinUI/C++/Rust) and Linux/Ubuntu client engineering for secure communications, networking, policy, enterprise deployment and isolated environments.

Z3RO Collaboration Engineer

Real-time messaging, presence, conferencing, WebRTC/media, secure file transfer, synchronization, group/channel policy, offline workflows and enterprise identity integration.

GUARDA Networking / VPN Engineer

Low-level networking, tunnel interfaces, routing, NAT traversal, QUIC/TLS concepts, DNS security, multi-hop path logic, policy control and performance engineering.

AI Development Engineer

Python/PyTorch/JAX engineering for classification, anomaly detection, graph analytics, ranking, correlation and human-in-the-loop decision support with measurable evaluation.

SOC / Detection Engineer

Detection-as-code, SIEM/SOAR, EDR/NDR integration, Sigma/YARA-style content, threat hunting, telemetry engineering, incident playbooks and validation.

OSINT / Threat Intelligence Specialist

Lawful open-source collection, source validation, provenance, entity resolution, link analysis, disinformation/attribution discipline, reporting and analyst workflow design.

Predictive Analytics / Data Science Engineer

Time-series, graph, anomaly and risk models with calibrated uncertainty, false-positive control, operational metrics, explainability and reproducible evaluation.

DevSecOps / SRE Engineer

Kubernetes, containers, IaC, GitOps, hardened CI/CD, artifact signing, SBOM, secrets management, observability, HA/DR and support for disconnected build/deployment environments.

Security Verification / Test Engineer

Fuzzing, protocol testing, secure code review, penetration testing, cryptographic test vectors, performance testing, failure injection and requirement-to-test traceability.

Product Security / UX Engineer

Design secure, usable workflows for identity, key recovery, device trust, collaboration, incident response and privileged operations without trading away operator clarity.