Senior Cloud Cybersecurity Engineer

Leidos Holding$131K — $237K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active Top Secret clearance with SCI eligibility and ability to obtain Polygraph
  • Bachelor’s degree in Cybersecurity or related field plus 12-15 years of experience, or Master's degree with 10-13 years of experience
  • At least one DoD 8570.01-M IAT or IAM Level II certification (e.g., CCNA Security, Security+ CE, CISSP)
  • Hands-on experience with Linux operating systems and scripting languages (Bash, Python, Perl)
  • Experience with cloud services, specifically AWS, and securing software applications

Responsibilities

  • Collect and review system cybersecurity artifacts, providing constructive feedback
  • Assess Body-of-Evidence results for DoD & IC RMF cybersecurity authorization
  • Conduct vulnerability assessments and compliance scanning for cloud systems
  • Implement security controls for containerized applications and cloud infrastructure
  • Collaborate with development teams to enforce secure coding practices
  • Develop scripts for STIG compliance and continuous monitoring solutions
  • Support the preparation of cybersecurity packages for government officials

Benefits

  • Comprehensive health, dental, and vision insurance
  • Flexible work hours and remote work opportunities
  • 401(k) plan with company match
  • Paid time off and sick leave
  • Career development and training opportunities
  • Access to wellness programs and resources
Full Job Description

Key Responsibilities include:

  • Collect, review, assess, and provide feedback on system cybersecurity, architecture, and engineering artifacts
  • Collect, review, assess, and provide feedback on system cybersecurity Body-of-Evidence (BOE) results required to support DoD & IC RMF cybersecurity authorization processes
  • Conduct periodic compliance scanning, vulnerability assessments, and risk analysis for cloud-based systems
  • Implement and manage security controls for containerized applications and the underlying cloud-based infrastructure
  • Collaborate with DevSecOps, infrastructure, and software development teams to ensure secure coding and engineering practices
  • Ensure integration of security measures into software development processes, CI/CD pipelines, and engineering tools
  • Develop, maintain, and execute shell commands, scripts, and automation code for STIG compliance and validation
  • Implement and manage continuous monitoring solutions of cloud-based architectures
  • Support Government cybersecurity officials & program personnel in preparing cybersecurity packages, including Interim Authority to Test (IATT) packages, Authority to Operate (ATO) packages, and Change Requests (CRs)
  • Stay current with emerging cloud security threats, technologies, and best practices

Basic Qualifications:

  • Clearance: Active or current Top Secret with SCI eligibility and the ability to obtain Polygraph
  • Education & Experience: Bachelor’s degree in Cybersecurity, Computer Science, Information Assurance, Engineering, or related technical discipline and 12-15 years of relevant experience OR Master’s degree with 10-13 years of relevant experience. Additional years of experience may be considered in lieu of a degree. ISSO experience must be supplemented with demonstrated technical expertise.
  • Certification: At least one DoD 8570.01-M IAT or IAM Level II or higher certification e.g., CCNA Security, CySA+, Security+ CE, CISSP (or Associate) and the ability to obtain Privileged User Account (PUA)/elevated access per DoD 8570 policy

To be successful in this role you will need:

  • Hands-on experience with Linux operating systems and scripting languages such as Bash, Python, Perl or similar
  • Experience with Commercial Cloud Services (C2S) and cloud-based enterprise services, preferably AWS
  • Experience securing software applications and infrastructure by implementing security controls
  • Experience supporting RMF processes such as authorization and continuous monitoring
  • Experience with NIST SP 800-37, SP 800-53 Rev4 or Rev5, CNSSI 1253, and applicable DoDI publications
  • Experience implementing and validating STIG compliance across operating system, database, server, and application tiers
  • Experience with RMF/GRC platforms such as Xacta or eMASS
  • Experience with performing compliance & vulnerability scans and related security tools for SIEM & event management, SAST, DAST
  • Demonstrated understanding of unique security threats in the cloud and the required corresponding system security posture
  • Demonstrated understanding of how to secure Kubernetes platforms and integrate security into CI/CD pipelines, containers, and platform orchestration tools.

You will wow us even more if you have these skills:

  • Active TS/SCI with polygraph
  • Experience supporting the Intelligence Community in RMF activities with ICD 503 and related compliance directives, policies, procedures
  • Multiple IAT/IAM II or III advanced certifications such as:
    • CISSP-ISSAP/ISSEP
    • CISM
    • CCSP
    • Security X/CASP+
  • Cloud certifications such as:
    • AWS Solutions Architect
    • AWS Security Specialty
    • Kubernetes and Cloud Native Associate (KCNA)
    • Certified Kubernetes Administrator (CKA)
    • Certified Kubernetes Security Specialist (CKS)
  • Linux certifications such as:
    • Linux+
    • Red Hat Certified System Administrator - Enterprise Linux (RHCSA)
    • Red Hat Certified Engineer - Enterprise Linux (RHCE)
    • Red Hat Certified Architect - Enterprise Linux (RHCA)
  • Prior network engineering experience with encryption and transport in the cloud
  • Experience applying DoW Zero Trust framework
  • Experience applying security controls to various AI implementations
  • Understanding of secure software development practices and code reviews in Agile and DevSecOps environments

  • NMECDTP-Leidos
Original Posting:
June 2, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

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Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

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Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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