Senior Lead Security Engineer

Leidos is hiring a Senior Lead Security Engineer to serve as the technical lead for a strategic cybersecurity task order. The role designs, integrates, and maintains enterprise security tools and architecture, leads compliance-focused security projects, and supports secure cloud, network, and system operations.

Responsibilities:

• Serve as the primary technical authority for the engineering team, setting technical standards and best practices and mentoring junior engineers
• Lead complex technical and compliance-focused security projects independently while managing multiple assignments and shifting priorities
• Define system security and design requirements to meet FISMA and FedRAMP compliance standards
• Develop, implement, and enforce security policies and processes for data, applications, and cloud infrastructure
• Oversee deployment and maintenance of Qualys and Wraithwatch agents and connectors to ensure full coverage, and integrate both platforms with SIEM/SOAR and other security tools using Python and PowerShell
• Optimize vulnerability management and AI solutions, including data refinement, automated workflows and playbooks, and integration with enterprise and SIEM platforms
• Configure cloud-hosted SaaS security solutions to manage policies, control reporting data, and respond to incidents
• Manage AWS network security resources, including AWS Network Firewall, Network ACLs, and security groups
• Install, upgrade, maintain, and tune Windows and Linux servers in a virtual infrastructure, and resolve Linux system errors, crashes, and disk and file system issues
• Collaborate with engineers, application owners, technical leads, and clients across DHS to resolve network-, system-, and application-level issues and assess the impact of change requests
• Produce technical documentation, Visio diagrams, root cause analyses, and briefings to support engineering assessments and process improvement

Requirements:

• Bachelor's degree in a STEM or related field with 10–12 years of relevant cybersecurity experience, or a Master's degree with 8–10 years
• At least one of the following certifications: CISSP, CCSP, CCNP, CCIE Security, CEH, RHCSA, RHCA, RHCE, MCSE, CompTIA Security+, or AWS Solutions Architect Expert
• Ability to obtain an Entry on Duty (EOD) Public Trust
• Extensive hands-on experience with the Qualys and Wraithwatch platforms
• Experience installing, configuring, securing, and troubleshooting Windows Server and Red Hat Enterprise Linux (or similar distributions)
• Proven experience deploying and supporting Red Hat OpenShift clusters on AWS
• Working knowledge of cloud architecture, provisioning, and monitoring, and of building and using CI/CD pipelines
• Experience reviewing vulnerability and compliance scans, recommending remediation, and managing POA&Ms
• Excellent written and verbal communication skills with strong attention to detail
• Experience automating management tasks with Ansible, Puppet, or Chef
• Experience with Wiz, Sepio, and Nucleus
• Experience with Wraithwatch is a plus