Principal Information Systems Security Engineer

Leidos

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Quick summary

Work type
On-site
Location
Linthicum, MD
Salary
$154,050–$278,475 / yr
Employment
Full-time
Posted
120 days ago
Freshness
Confirmed live today

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $180k
This role $216k
$113k $296k
below market most similar roles pay here above market

This role pays more than 84% of similar roles. Most pay $151,264–$208,800 — the blue band above. At the midpoint, this role pays about $216k versus about $180k for comparable roles.

Based on 240 similar postings.

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 426 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 344 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Principal Information Systems Security Engineer

The Principal Information Systems Security Engineer joins a small team providing Information Assurance Architecture Analysis and Security Engineering Support for the National Leadership Command Capability. This role supports Nuclear Command, Control, and Communications, Continuity of Government, and Senior Leader communications. The engineer performs a consultant-like role, delivering threat-informed cybersecurity products including risk assessments, architecture reviews, and engineering guidance. Daily tasks involve designing and integrating security systems for networking, computing, and enclave environments with varying data classification requirements. The position requires expertise in the Risk Management Framework, NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500. Key skills include identifying security weaknesses in operating systems, software, and firmware, as well as experience with emerging technologies like Zero Trust and Cloud Computing.

What you'll do

  • Conduct cybersecurity risk assessments and provide prioritized risk mitigation recommendations for mission partners.
  • Support the design, implementation, and operation of real-time threat discovery and mitigation capabilities.
  • Analyze candidate architectures against security requirements to identify gaps and provide mitigation strategies.
  • Design, develop, and integrate IA and security systems for networking, computing, and enclave environments.
  • Validate and verify system security requirements definitions and establish system security designs.
  • Research and evaluate emerging technologies to determine their cybersecurity effectiveness.
  • Review C&A documentation to ensure content completeness and compliance with security standards.
  • Assist developers in implementing security functionality to ensure uniform application of Agency security policies.

What we're looking for

  • Active TS/SCI with polygraph.
  • 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 on programs and/or contracts with the customer.
  • Expertise in the Risk Management Framework (RMF) and conducting cybersecurity risk assessments.
  • Expertise in network technology and systems security engineering.
  • Knowledge of and practical experience with NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500.

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