Senior Information Systems Security Engineer

Description

This position is eligible for a 15k sign on bonus!

Job Summary:

Are you ready to take on a mission-critical role supporting complex programs for the Warfighter? This is an exciting opportunity to contribute to national security efforts with lasting impact. As an ISSE, you'll help shape secure systems and architectures that protect sensitive data across multiple environments.

Primary Responsibilities

• Participate as the primary security engineering representative on teams designing, developing, implementing, and integrating secure networking, computing, and enclave systems.
• Conduct technical security assessments to identify vulnerabilities, ensure compliance with IA regulations, and recommend mitigation strategies.
• Apply knowledge of IA policies and RMF processes to support security planning, risk analysis, and authorization activities.
• Support the enforcement of trusted relationships across external systems and architectures, ensuring consistent application of agency security policies.
• Develop and validate system security requirements, contributing to secure system design and implementation across multiple enclaves and classification levels.
• Review certification and accreditation (C&A) documentation for completeness and compliance, providing expert feedback to stakeholders.
• Recommend system-level security solutions and contribute to the development of enterprise-wide security architectures.

Basic Qualifications

• 14+ years of Information Security experience with a Bachelors Degree in Computer Science, Information Assurance, or related field OR 18+ years of directly related information security experience without a degree
• Active IASAE Level II certification (CISSP, CASP+ CE, or CSSLP)
• Clearance Requirement: Top Secret/SCI with Polygraph is required

Preferred Qualifications

• Experience with AWS environments and cloud security integration

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Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."

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.

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.