Reflexive Concepts is seeking a skilled Software Engineer III to join our team! The Software Engineer supports the engineering, implementation, integration, and sustainment of the Delinea Tools Suite in a Linux environment, ensuring secure credential management, privileged access controls, secrets management, and automation capabilities aligned with mission security and compliance requirements. The Software Engineer serves as the subject matter expert for all Delinea technologies running on Linux systems and collaborates closely with security, infrastructure, and DevOps teams. Qualifications:  Active TS/SCI + FS Polygraph Master's degree in Computer Science or related discipline from an accredited college or university, plus 5 years of experience as a Software Engineer, in programs and contracts of similar scope, type, and complexity OR Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus 7 years of experience as a Software Engineer, in programs and contracts of similar scope, type, and complexity OR 9 years of experience as a Software Engineer, in programs and contracts of similar scope, type, and complexity. Required Skills + Experience:  Experience using the Linux CLI and Linux Suite of Tools Experience developing scripts using Bash/Python Recent software development experience using Python and Java Strong background in Linux administration such as RHEL, CentOS, Rocky, Ubuntu Hands-on experience implementing or supporting at least one Delinea product (e.g., Secret Server, Privilege Manager, DevOps Secrets Vault) Experience integrating Delinea with directory services (LDAP, Active Directory, FreeIPA). Understanding of identity and access management (IAM), privileged access management (PAM), certificate-based authentication, and security best practices Experience troubleshooting system-level issues in distributed environments, including logs, services, networking, and authentication Familiarity with API-based integrations, RESTful services, and secrets automation in CI/CD pipelines Experience with IaC (Infrastructure as Code) principles and automation tools such as Ansible and SaltStack Experience with containerization technologies such as Docker, Podman, and associated secret-handling patterns Experience with the sustainment and support of large Linux clusters including day-to-day operations, monitoring and problem resolution Desired Skills + Experience Experience with the Atlassian Suite of Tools such as Jira and Confluence Experience supporting enterprise security tools or working in a cybersecurity-focused software engineering role