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Contract Security Engineer Ubuntu Jobs in Texas (NOW HIRING)

METECS

IT Security Engineer

Houston, TX · On-site

We are looking for an IT Security Engineer to lead security operations and assist with maintaining ... Hands-on experience with Linux (Ubuntu, Red Hat, or similar distributions). * Familiarity with ...

METECS

IT Security Engineer

Houston, TX · On-site

We are looking for an IT Security Engineer to lead security operations and assist with maintaining ... Hands-on experience with Linux (Ubuntu, Red Hat, or similar distributions). * Familiarity with ...

Cymertek

System Security Engineer

San Antonio, TX · On-site

System Security Engineer LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

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Contract Security Engineer Ubuntu information

What is the difference between Contract Security Engineer Ubuntu vs Contract Security Analyst?

AspectContract Security Engineer UbuntuContract Security Analyst
CertificationsCompTIA Security+, CISSP, CEHCompTIA Security+, CISSP, CISA
Work EnvironmentLinux-based systems, cybersecurity teams, technical rolesSecurity monitoring, risk assessment, policy development
Employer & IndustryTech companies, government agencies, cybersecurity firmsFinancial institutions, government, consulting firms

The Contract Security Engineer Ubuntu primarily focuses on securing Linux systems, especially Ubuntu, through technical implementation and system hardening. In contrast, the Contract Security Analyst emphasizes analyzing security risks, monitoring threats, and developing security policies. Both roles require similar certifications and often work within cybersecurity teams, but their daily tasks and focus areas differ significantly.

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Contract Security Engineer Ubuntu jobs near you

Senior Security Engineer Digital Assets

Purple Drive

Southlake, TX

$107K - $147K/yr

Contractor

Posted 24 days ago

Job description

Hi,

Senior Security Engineer, Digital Assets

Locations: Southlake, TX; Austin, TX

Role Summary

Design, build, and secure institutional-grade digital asset custody platforms. The posting frames this as a hands-on engineering role focused on crypto-native security capabilities and digital asset development, including secure wallet technologies, key management, cryptographic protocols, smart contract security, tokenization, custody policy enforcement, and advanced blockchain security solutions.

Key Responsibilities

  • Contribute to the design and implementation of secure wallet solutions spanning MPC, HSMs, cold, warm, and hot wallet architectures, and custodial versus non-custodial control models.
  • Implement distributed key generation and signing workflows and ensure secure handling of key lifecycle events such as generation, storage, usage, rotation, and recovery.
  • Design and implement security-critical components using modern cryptographic protocols, DeFi application security principles, and cross-chain and blockchain interoperability patterns.
  • Evaluate and integrate advanced technologies such as zero-knowledge proofs, decentralized identity frameworks, and applicable CBDC architectures.
  • Build and configure programmable custody policy engines with multi-approval workflows, spending thresholds, velocity limits, role-based access controls, and segregation of duties.
  • Work with engineering, cybersecurity, risk, compliance, and audit stakeholders on security reviews, threat modeling, architecture assessments, and incident analysis and remediation.
  • Assess blockchain architectures, smart-contract frameworks, tokenization approaches, and secure bridge or interoperability models for enterprise suitability.
  • Leverage GenAI and agentic AI tools to accelerate threat modeling, cryptographic design reviews, documentation, and validation.

Source-Supported Qualification Themes

  • 7+ years of software engineering experience with a strong focus on security or cryptography.
  • Hands-on experience with secure wallet technologies and key management systems such as MPC, HSMs, or equivalent.
  • Strong understanding of cryptographic primitives, secure protocol design, and distributed systems.
  • Experience building systems where security failures have material impact.
  • Ability to collaborate effectively across engineering, security, and risk teams.
  • Strongly preferred: experience with crypto custody platforms, digital assets, or blockchain infrastructure; hands-on work with ZKPs, DID frameworks, DeFi protocols, or CBDC-related systems; and experience implementing policy-driven transaction controls in high-risk systems.