Information Systems Security Engineer
LeidosHonolulu, Hawaii, United States
Posted March 26, 2026
107900 - 195050 USD
Full Time
About the Company
Leidos is a Fortune 500Ā® innovation company rapidly addressing the worldās most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customersā missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbesā Best Employers for Diversity, Forbesā Americaās Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Instituteās World's Most Ethical CompaniesĀ®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Job Description
Leidos is seeking a Cyber Security Engineer / Information Systems Security Engineer (ISSE) to support a high-visibility, mission-essential enterprise program. As a senior security engineer, you'll shape the security posture of mission-critical applications and lead the engineering of RMF artifacts across a large-scale enterprise environment.
Requirements
- Active DoD TS/SCI clearance
- Current DoD 8140-compliant security certification
- 10+ years of experience in software engineering, system design, configuration management, integration testing, or information system engineering
- 5+ years of experience in system security analysis, secure system design, or protocol/interface standards
- Experience with Assessment & Authorization (A&A) for multiple security applications
- Experience preparing SSPs, risk assessments, SOPs, and contingency plans
- Demonstrated experience creating and validating RMF security control evidence
- Experience hardening Windows and Linux systems
- Working knowledge of RHEL 9 and Windows Server 2019/2022
- Ability to work in an Agile environment using sprints and Jira boards
- Proficiency with enterprise scanning tools such as Tenable, Burp Suite, Defender for Endpoint, ACAS, ESS, and Tanium
- Strong communication skills for both technical and non-technical audiences
- Ability to manage multiple tasks in a dynamic environment
Benefits
- Paid Time Off
- 401k Matching
- Health Insurance
- Dental Insurance
- Vision Insurance