Information Systems Security Engineer Exopert

Leidos

Actively hiring
Chantilly, VA Posted 9 days ago $131,300–$237,350 / year
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At a glance

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TL;DR

Leidos seeks an experienced Information Systems Security Engineer (ISSE) to join a dynamic team supporting cloud-based applications on a secure network. This senior-level role involves participating in daily Agile meetings, conducting security assessments and scans, analyzing vulnerabilities, and collaborating with cross-functional teams including developers and system architects. The ISSE will implement NIST SP 800-53 controls, create secure configurations per DISA STIGs, and ensure continuous monitoring to meet A&A requirements. Essential skills include hands-on experience with Linux CLI, scripting in BASH and Python, networking expertise, and familiarity with RMF workflow tools. The ideal candidate has a TS/SCI clearance with polygraph and 12+ years of relevant experience or equivalent education. Additional desired qualifications are certifications like CISSP, AWS Cloud Security, and experience with Infrastructure as Code solutions such as Ansible or Terraform.

Skills

Python Linux BASH NIST_SP_800-53 AWS RMF Agile Terraform Ansible CI/CD NIST_SP_800-160 DISA_STIGs CIS_STIGs CVEs

What you'll do

  • Identify and implement NIST SP 800-53 security controls.
  • Develop secure configuration baselines per DISA STIGs and CIS benchmarks.
  • Perform continuous monitoring activities to support A&A requirements.
  • Conduct vulnerability scanning, analyze findings, and develop remediation plans.
  • Interface with ISSMs to develop and accredit cloud-based systems.

What we're looking for

  • Active TS/SCI with Polygraph clearance required.
  • 12+ years of experience in information systems security or equivalent combination of education and experience.
  • Hands-on experience with Linux (CLI) and scripting languages like BASH and Python.
  • Strong understanding of NIST SP 800-37, NIST SP 800-53, DISA/CIS STIGs, and CVEs.
  • Experience working on Agile teams and implementing secure configuration baselines.
  • Ability to perform security analysis, vulnerability scanning, and remediation in cloud environments.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 214 open roles on FindRole.

Listed pay typically runs $107,900–$195,050 across 204 roles with salary data.

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