Senior Information System Security Engineer job opportunity at Leidos.

Home Jobs In United States Of America Tag: Job Senior Information System Security Engineer position at Leidos


DatePosted 18 Days Ago bot
Leidos Senior Information System Security Engineer
Experience: 12-years
Pattern: full-time
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loacation Alexandria, VA, United States Of America
loacation Alexandria, VA....United States Of America

Join us in transforming how technology serves those who serve. At Leidos, we're not just delivering solutions – we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow. Shape the future of digital defense. Our Digital Modernization sector is at the forefront of next-generation technology, architecting cutting-edge solutions in cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure. Ready to engineer solutions that matter? Primary Responsibilities The Digital Modernization Sector at Leidos is seeking a dynamic Information Systems Security Engineer (ISSE) to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. This role is part of a high-impact program focused on delivering secure, scalable cloud solutions that enable operational agility and resilience across the USCG enterprise. As the ISSE, you will lead the design, implementation, and governance of cloud security solutions across our enterprise environments. This role is pivotal in ensuring the confidentiality, integrity, and availability of cloud-hosted assets while enabling secure innovation at scale by working closely with cloud engineers, cybersecurity analysts, and program leadership to drive continuous improvement and deliver value to the mission. Key Responsibilities Architect and implement secure cloud infrastructure across AWS and Azure platforms. Define and enforce cloud security policies, standards, and automation frameworks. Lead threat modeling, risk assessments, and incident response for cloud-native applications and services. Integrate security into CI/CD pipelines and DevOps workflows. Support cloud identity and access management (ICAM), encryption, and key management systems. Monitor cloud environments using SIEM, CSPM, CWPP, and other security tools. Collaborate with engineering, compliance, and operations teams to ensure secure cloud adoption. Stay ahead of emerging cloud threats and recommend proactive mitigation strategies. Support cross-functional coordination across engineering, cybersecurity, and program management teams Promote continuous improvement through feedback loops and process refinement Ensure alignment with USCG mission priorities and Leidos delivery standards  Basic Qualifications: Bachelor’s degree in a related field (e.g., Computer Science, Information Systems, Business) 8-12 years of experience in information security engineering. Deep expertise in AWS and Azure security services and architecture. Strong understanding of cloud-native security controls and shared responsibility models. ​Experience with configuration management and orchestration tools (e.g., Terraform, Ansible, Puppet).  ​Hands-on experience with containerization and orchestration (e.g., Docker, Kubernetes).  Certifications such as CCSP, AWS Certified Security – Specialty, or Azure Security Engineer required. Excellent facilitation, communication, and stakeholder engagement skills. Ability to work in a fast-paced, mission-driven environment. Must be a U.S. Citizen and able to obtain a Public Trust and DoD Secret Clearance. Preferred Qualifications Familiarity with zero trust principles and secure multi-cloud strategies. Experience with compliance frameworks (FedRAMP, SOC 2, HIPAA, PCI-DSS). Proficiency in scripting and automation (Python, Bash, PowerShell). Prior experience supporting DHS, USCG, or other federal cloud modernization efforts Experience working with technical teams in cloud, cybersecurity, or enterprise IT environments DoD 8570 Certification compliance related to level of position. This could include one or more of the following IAT II, IAM I, II or III or IASAE I, II or III: Other preferred certifications include one or more of this list -  Security+, CISSP, CASP+ CE, ISSEP 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: January 22, 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 $107,900.00 - $195,050.00 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.

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