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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal/Sr. Principal Cyber Systems Engineer - **Company:** Northrop Grumman - **Location:** San Antonio, TX, United States - **Experience:** Expert - **Salary:** $113,900 - $170,900 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Bash Shell, Configuration Management, Computer Engineering, System Configuration, Python (Programming Language), Linux System Administration, Linux Servers, Scrum Methodology, Ansible, Systems Integration, Virtual Machines, Virtualization Technology, Scripting, Git, Information Technology, Devsecops - **Published:** November 5, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9293752/principalsr-principal-cyber-systems-engineer ## About the Role * Bachelor's degree in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, or Computer Science with 5 years of cyber systems engineering experience ; or Master's degree in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, of Computer Science with 3 years of cyber systems engineering experience; or a PhD in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, or Computer Science with 1 year of cyber systems engineering experience; or 9 years' experience in a cyber systems engineering related fields in lieu of a degree. * U.S. Citizenship is required. * Active Top Secret clearance required with SCI eligibility. * Security+ certification required. * Hands-on experience using Ansible for automation, configuration management, and deployment in operational or test environments. * Hands-on experience in Linux administration, including system configuration, troubleshooting, patching, and management of users and services. * Experience using Git for version control and collaborative development or configuration management workflows. * Experience supporting virtualized environments, including provisioning, configuration, troubleshooting, and maintenance of virtual machines. * Experience working in a SAFe Agile environment. * Experience troubleshooting system, infrastructure, or integration issues in secure or enterprise environments., * Bachelor's degree in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, or Computer Science with 8 years of cyber systems engineering experience ; or Master's degree in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, of Computer Science with 6 years of cyber systems engineering experience; or a PhD in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, or Computer Science with 3 year of cyber systems engineering experience; or 12 years' experience in a cyber systems engineering related fields in lieu of a degree. * U.S. Citizenship is required. * Active Top Secret clearance required with SCI eligibility. * Security+ certification required. * Hands-on experience using Ansible for automation, configuration management, and deployment in operational or test environments. * Hands-on experience in Linux administration, including system configuration, troubleshooting, patching, and management of users and services. * Experience using Git for version control and collaborative development or configuration management workflows. * Experience supporting virtualized environments, including provisioning, configuration, troubleshooting, and maintenance of virtual machines. * Experience working in a SAFe Agile environment. * Experience troubleshooting system, infrastructure, or integration issues in secure or enterprise environments., * Experience supporting classified or highly secure environments. * Familiarity with system hardening, STIG implementation, and secure configuration practices. * Experience with scripting or automation in Bash, Python, or similar languages. * Experience with system integration, test, and deployment in DevSecOps-style environments. * Experience supporting infrastructure across lab, integration, test, and operational environments. * Experience contributing to technical baselines, engineering documentation, and standard processes. * Experience in a systems engineering role supporting the planning, design, implementation, testing, and delivery of systems with Cyber or Information Assurance requirements. * Experience coordinating technical work across cross-functional teams. * Strong troubleshooting, written communication, and verbal communication skills. ## Description Northrop Grumman Mission Systems has an opening for a Principal or Sr. Principal Cyber Systems Engineer to join the K2 program. We are seeking a skilled and motivated engineer to support the development, integration, and sustainment of solutions operating in a multi-level security environment. The ideal candidate is a hands-on engineer who can independently execute across infrastructure, Linux system administration, automation, and virtualization in a secure environment. This individual should be self-motivated, detail-oriented, and effective in a fast-paced SAFe Agile team supporting mission-critical systems, with the ability to troubleshoot complex issues and contribute to technical direction within their assigned scope. The qualified applicant will become part of Northrop Grumman's Mission Systems support team in San Antonio, TX. This role is 100% onsite. Please note: This position is contingent upon customer approval and the ability to obtain and maintain final clearances prior to start. Essential Duties: * Engineer, integrate, configure, and maintain cyber systems in secure program environments. * Administer and harden Linux servers and supporting infrastructure. * Develop, maintain, and execute automation using Ansible for system configuration, deployment, and sustainment. * Support virtualized environments, including provisioning, configuration, troubleshooting, and lifecycle maintenance of virtual machines. * Use Git for version control, configuration management, and team collaboration. * Analyze, troubleshoot, and resolve complex system, infrastructure, and integration issues across development, test, and production-like environments. * Participate in SAFe Agile ceremonies and contribute to sprint planning, backlog refinement, execution, and retrospective activities. * Contribute to technical planning, implementation strategies, and engineering decisions within assigned areas of responsibility. * Support the definition and maintenance of technical baselines, installation procedures, and operational work instructions. * Collaborate with cybersecurity, engineering, and operations teams to ensure systems meet mission, security, and performance requirements. * Assist with continuous improvement efforts related to deployment processes, reliability, and maintainability. * Develop and document standard engineering processes and procedures as needed. * Provide technical guidance to team members within area of expertise as needed.