Systems Integration & Support Engineer LeidosSystems Integration & Support EngineerBethesda, MarylandThe position requires a broad understanding of software, computing hardware, networking, virtualization, and system integration, with particular emphasis on: Virtualization: Familiarity with creating, configuring, and managing Virtual Machines. August 25, 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.
Sr. Security Engineer CoStar GroupSr. Security EngineerArlington, Virginia$115,000–$203,000 / yearWe are seeking a Senior Security Engineer with experience in Network, SaaS, and AI Security to help evolve and safeguard CoStar’s enterprise security posture across network infrastructure, cloud services, SaaS platforms, and emerging AI systems. Assess security risks associated with AI platforms, copilots, and agent-based systems, including model access controls, prompt/data leakage risks, and tool/plugin abuse.
Senior Cloud Platform Engineer Nightwing Intelligence SolutionsSenior Cloud Platform EngineerSterling, Virginia$99,000–$206,000 / yearUse and develop automation (Ansible roles,Terraformmodules, Packer, GitLab CI/CD pipelines, AWS CLI) to provision and configure servers, services, applications, and security controls, and drive best practices for automation across the team. Responsibilities include, but are not limited to, the following: Own the architecture and design of core cloud platform capabilities in AWS GovCloud and Azure, ensuring they meet security, availability, and performance requirements across three networks.