Information Systems Security Engineer

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The Decision Advantage Business Area at Leidos is seeking an experienced Secret cleared Information Systems Security Engineer (ISSE) to join our team in support of the United States Space Force. This position will focus on securing and managing a hybrid Azure cloud environment, ensuring the highest levels of information security, compliance, and operational integrity. The ideal candidate will have a deep understanding of cybersecurity principles, cloud security best practices, and the specific security requirements of the Space Force.

Responsibilities:

• Security Design and Implementation: Design, implement, and maintain security solutions within a hybrid Azure cloud environment, ensuring compliance with DoD, NIST, and RMF standards.

• System Hardening: Apply security measures to harden systems, including network devices, servers, and cloud components to protect against threats and vulnerabilities.

• Risk Management: Conduct risk assessments, develop and update security policies, and implement security controls to mitigate identified risks.

• Compliance and Auditing: Ensure systems and processes adhere to federal and military standards, including FISMA, RMF, and DISA STIGs. Prepare for and assist with audits, including ATO processes.

• Incident Response: Participate in incident response planning and execution, including the detection, analysis, and resolution of security incidents in cloud environments.

• Documentation: Produce comprehensive security documentation, including system security plans, security impact analyses, and standard operating procedures.

• Collaboration: Work closely with cross-functional teams, including system administrators, network engineers, and software developers to integrate security into all aspects of IT operations.

• Continuous Monitoring: Implement and manage continuous monitoring strategies to detect and respond to security issues promptly.

Basic Qualifications:

• Bachelor's degree with 4-8 years of experience. Additional experience maybe considered in lieu of a degree.

• Must have an active DoD Secret clearance with the ability to obtain TS/SCI clearance.

• Minimum of 4 years of experience in cybersecurity, with at least 3 years specifically in cloud security, preferably Azure.

• Experience with the DoD Risk Management Framework (RMF) process.

• CISSP, CISM, or comparable security certification.

• Azure security certifications (e.g., Microsoft Certified: Azure Security Engineer Associate) are highly desirable.

• Proficiency in Azure security services including Azure Security Center, Azure Sentinel, Azure AD, and Azure Information Protection.

• Strong knowledge of network security, identity and access management, and encryption technologies.

• Experience with scripting (e.g., PowerShell) for automation and security tasks.

• Excellent problem-solving abilities, strong analytical skills, and the capability to work in a fast-paced environment. Good communication skills to interface with various stakeholders.

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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:

June 18, 2026

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 $87,100.00 - $157,450.00

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.