Security Engineer: Blockchain & Cloud Security (Onsite)

SFE; Atlanta (GA); On-site; USD 110,000 - 160,000; Full time

Job summary

SFE is seeking a Security Engineer in Atlanta, onsite, for a full-time role focused on driving security remediation, embedding security into SDLC, and designing secure blockchain architectures. The role collaborates with risk, engineering, and operations teams to protect systems, networks, and data.

You will proactively identify security gaps across cloud and on-prem environments, perform threat modeling and penetration testing, and lead incident response.

Qualifications

• Bachelor's degree in Computer Science, Engineering, Information Systems, or related field (or equivalent).
• Foundational knowledge of blockchain concepts (e.g., consensus mechanisms, smart contracts, tokens, cryptography).
• Familiarity with at least one blockchain platform (e.g., Ethereum, Hyperledger, Solana, Polygon).
• Experience with programming languages such as JavaScript, Python, or Solidity is a plus.
• Understanding of RESTful APIs and basic integration patterns.
• Strong analytical and problem-solving skills.

Responsibilities

• Identify, investigate, and assess security gaps in systems, applications, and cloud environments.
• Drive end-to-end security remediation, tracking and prioritizing issues.
• Design blockchain architectures with security baked in from ground up.
• Integrate blockchain components with systems and APIs securely.
• Maintain security controls across cloud and on-premise environments.
• Conduct threat modeling, reviews, and penetration testing.
• Integrate security into CI/CD pipelines (DevSecOps).
• Manage IAM, secrets management, and encryption practices.
• Monitor security events and lead incident response in a timely manner.
• Develop and enforce security policies and procedures across the organization.
• Evaluate security tools and frameworks; support compliance (SOC 2, ISO 27001, NIST, PCI-DSS).
• Provide security guidance and training to internal teams to promote a security-first culture.

Skills

Security Engineer

Education

Bachelor's degree in Computer Science, Engineering, Information Systems, or related field

Job description

SFE is seeking a Security Engineer in Atlanta, onsite, for a full-time role focused on driving security remediation, embedding security into SDLC, and designing secure blockchain architectures. The role collaborates with risk, engineering, and operations teams to protect systems, networks, and data.

You will proactively identify security gaps across cloud and on-prem environments, perform threat modeling and penetration testing, and lead incident response.