Cyber Security InfoSec Engineer

1 week ago

Chantilly, VA, United States Leidos Full time

Leidos is seeking a Cyber Security InfoSec Engineer will provide support for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Cyber Security Engineer will target, assess, exploit, and report risks and vulnerabilities of information systems to provide senior decision makers with actionable data. Cyber Security Engineers are responsible for IT security/vulnerability assessments and managing overall network security using network and security-related hardware and software.

Primary Responsibilities

  • Identify and define applicable security controls and responses for the project
  • Review responses, enter responses into the cyber risk management platform, and update risks
  • Identify common controls and draft common control language for the cyber risk management platform
  • Perform security maintenance duties, such as performing analyses of vulnerabilities and providing recommended resolutions
  • Maintain awareness of system level changes, ensure proper patch levels, and upload cyclic scans to the appropriate repositories
  • Achieve and maintain system accreditation, including providing guidance, plans, and evidence and maintaining documentation
  • Perform regular reviews, such as audits, and review security test results
  • Participate in or lead technical exchange meetings and application review boards and document action items and results
  • Brief management on status
Required Qualifications:
  • Active TS/SCI with Polygraph
  • Prior experience with programs of similar size and complexity
  • Experience with the Sponsor and the Sponsor's mission
  • Master's degree and 15+ years of prior relevant experience. Additional years of experience in lieu of degree
  • Demonstrated work experience in cyber security or related IT field
  • Demonstrated experience performing complex technical tasks with minimal direction
  • Demonstrated experience designing, testing, or implementing IT security architecture
  • Demonstrated experience performing network security analysis
  • Demonstrated experience developing risk management methodologies
  • Demonstrated experience analyzing test results to develop risk/threat mitigation plans
  • Demonstrated experience communicating vulnerability results and risk posture to senior executives
Desired Qualifications:
  • BS in Mechanical Engineering, Electrical Engineering, or Computer Sciences
  • Certified Information Systems Security Professional (CISSP)
  • Experience with the Sponsor's entitlement management programs
  • PMP, SAFe Agilist Certification, AWS certification


If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:
December 3, 2025

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 $148,850.00 - $269,075.00

The Leidos pay range for this job level is a general guideline only and 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.

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