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540

Cybersecurity Engineer - Cloud Security

4w

540

Arlington, US · Full-time · $130,000 – $170,000

About this role

540 is seeking a Cybersecurity Engineer to support our partnership with Google and the Department of War in advancing mission-critical capabilities for a global data processing platform. This platform leverages Machine Learning, modern cloud and containerized technologies to ingest, process, and analyze high-volume, time-series data.

In this role, you will support the implementation and maintenance of cybersecurity controls across a complex cloud and platform environment. You will work closely with engineers, architects, and security stakeholders to ensure systems are secure, compliant, and resilient within highly regulated, high-impact environments.

Day-to-day work includes assisting with compliance frameworks like RMF and NIST 800-53, supporting vulnerability management and scanning, and helping implement identity and access management principles. You will also participate in security assessments, audits, and support incident response activities.

This role offers the opportunity to collaborate with cross-functional teams to promote secure development and operational practices. You will contribute to high-stakes national security missions while working with cutting-edge cloud and AI/ML technologies in a forward-thinking company culture.

Requirements

  • 5+ years of experience in cybersecurity, information assurance, or related roles
  • Experience working with cloud environments (AWS, Azure, or Google Cloud)
  • Experience completing the RMF process from start to finish, including required documentation
  • Experience creating and managing ATO packages in eMASS
  • Familiarity with DoD security frameworks and NIST 800-53 Rev. 5
  • Experience supporting vulnerability management and security assessments (including DISA STIG testing)
  • Familiarity with securing containerized environments and cloud-native applications
  • CompTIA Security+ certification required (or ability to obtain within 30 days of hire)

Responsibilities

  • Support implementation of security controls across cloud infrastructure, platforms, and applications
  • Assist in maintaining compliance with DoD security requirements and frameworks (RMF, NIST 800-53)
  • Collaborate with engineers and architects to integrate security into system design and development
  • Support vulnerability management, scanning, and remediation efforts
  • Help implement identity, access management, and least privilege principles
  • Support development and maintenance of security documentation, including SSPs and POA&Ms
  • Participate in security assessments, audits, and authorization activities
  • Support incident response activities and root cause analysis

Benefits

  • Work on mission-critical capabilities for a global data processing platform
  • Collaborate directly with Google and the Department of War
  • Opportunity to work with cutting-edge Machine Learning, cloud, and containerized technologies
  • Forward-thinking company culture focused on innovation and solving mission-critical problems