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From the employer's careers site First seen 8 Nov 2026

Principal Cyber Security Engineer

Leidos Linthicum, MD senior full-time

Salary

$154,050 - $278,475 per year

Apply on Leidos

Description

As a Principal Cyber Security Engineer, you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support. You will perform in a consultant-like role providing technical knowledge, expertise, and advice to customers.

The Principal Cyber Security Engineer shall deliver and lead threat-informed cybersecurity products, including:

  • Conducting cybersecurity risk assessments and providing prioritized risk mitigation recommendations
  • Supporting the design, implementation, and operation of real-time capabilities to discover, detect, analyze, and mitigate threats and vulnerabilities
  • Analyzing candidate architectures to identify security gaps and providing recommended mitigation strategies
  • Researching and evaluating emerging technologies to determine cybersecurity effectiveness
  • Aiding stakeholders through the development, refinement, delivery, and implementation of innovative solutions and capabilities
  • Engaging stakeholders to ensure security objectives, protection needs, security requirements, and associated validation methods are defined
  • Validating and verifying system security requirements definitions and analysis
  • Establishing system security design
  • Designing, developing, implementing, and integrating IA and security systems and system components
  • Assisting architects and systems developers in the identification and implementation of appropriate information security functionality
  • Contributing to security planning, assessment, risk analysis, risk management, certification, and awareness activities

CLEARANCE REQUIRED: Active TS/SCI with polygraph.

Qualifications

  • Bachelor of Science degree from an accredited university in Computer Science, Information Assurance, Information Security System Engineering, or a related field
  • Minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer
  • CISSP - ISSEP required
  • Strong writing skills
  • Confidence and ability to present briefings to senior-level DoD officials
  • Expertise in the Risk Management Framework (RMF) and conducting cybersecurity risk assessments
  • Expertise in network technology and systems security engineering
  • Experience with security monitoring and incident response capabilities
  • Experience with emerging technologies such as Zero Trust, Cloud Computing, etc.
  • Knowledge of NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500

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Skills

Required

  • CISSP - ISSEP
  • Risk Management Framework (RMF)
  • cybersecurity risk assessments
  • network technology
  • systems security engineering
  • security monitoring
  • incident response
  • Zero Trust
  • Cloud Computing
  • NIST Special Publications 800 Series
  • CNSSI 1253
  • DoD 8500

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Linthicum-MD/Principal-Cyber-Security-Engineer_R-00196226

Apply on Leidos