System Engineer - Mid-Level Skill Level 3

Work across all phases of the system engineering lifecycle: concept development, requirements analysis, design, integration, testing, deployment, operations, and sustainment Produce comprehensive technical documentation and drawing packages including system architectures, interface control documents (ICDs), test plans, and as-built configurations Translate user and mission requirements into actionable system designs; participate in requirements reviews, design reviews, and technical interchange meetings (TIMs) Serve as a senior technical authority within a small, mission-focused team; interact frequently with users, customers, and cross-functional teams across the program Support system trades analysis, configuration management, and technical baseline management throughout the lifecycle Linux Systems Administration and Engineering Perform advanced installation, configuration, hardening, and management of Red Hat Enterprise Linux (RHEL), CentOS, and Rocky Linux server environments Administer authentication and authorization infrastructure including FreeIPA identity management and Active Directory integration in classified environments Manage system performance, patch cycles, package management, and OS lifecycle operations across classified enclaves Configure and maintain system services, logging frameworks (rsyslog/journald/auditd), scheduled tasks, and security controls Provide expert-level Tier 2/3 troubleshooting across Linux-based systems; diagnose complex failure scenarios and drive resolution STE/STN Infrastructure Install, configure, and manage Secure Telephone Equipment (STE) and Secure Telephone Network (STN) infrastructure in both connected and disconnected/air-gapped classified environments Support STE/STN provisioning, moves, adds, and changes (MACs); coordinate with communications and security personnel Troubleshoot STE/STN connectivity, interoperability, and integration issues in complex classified facility environments Maintain accurate inventory and technical documentation for all STE/STN endpoints and associated infrastructure GOTS Software Support Install, configure, and maintain Government Off-the-Shelf (GOTS) software products in support of program requirements Perform routine maintenance, patching, and lifecycle management of GOTS applications within classified environments Coordinate with program stakeholders and developers on GOTS software integration, compatibility testing, and issue resolution Scripting and Automation Create, read, modify, and maintain automation scripts in Bash and Python to support system administration, deployment, and operational tasks Automate repetitive operational workflows including system monitoring, configuration enforcement, log analysis, and health checks Support team adoption of automation and scripting best practices Testing and Troubleshooting Design and execute system-level test plans, acceptance test procedures, and regression tests Lead troubleshooting efforts across complex, multi-component classified systems; document findings and remediation actions Participate in operational readiness reviews and system validation activities prior to deployment Qualifications

• Active TS/SCI Full Scope Polygraph
• Bash and/or Python scripting
• Connected and disconnected environment experience
• Fort Meade on-site SCIF experience
• FreeIPA / Active Directory authentication on Linux
• GOTS software installation and maintenance
• RHEL / CentOS / Rocky Linux administration
• SA (situational awareness) experience
• STE/STN installation and management
• Systems engineering lifecycle (concept to sustainment), Education: Bachelor's degree in Computer Science, Systems Engineering, Information Technology, Electrical Engineering, or a related technical field. Equivalent experience (4+ additional years of direct systems engineering experience in lieu of degree) may be considered. Experience: 8+ years of systems engineering experience in classified DoD/IC environments, with demonstrated expertise across the full system engineering lifecycle. Additional Required Qualifications: Active TS/SCI clearance with Full Scope Polygraph - no exceptions; must be active prior to start Strong, hands-on situational awareness (SA) experience in an IC program context Deep Linux proficiency across RHEL, CentOS, and Rocky Linux: installation, configuration, management, and security hardening Experience with authentication and authorization systems: FreeIPA identity management and/or Microsoft Active Directory integration on Linux Hands-on STE/STN installation, configuration, and management experience in both connected and disconnected classified environments Demonstrated GOTS software experience: installation, configuration, and ongoing maintenance of government-provided software products Proven ability to create, read, and modify automation scripts in Bash and/or Python Strong testing and troubleshooting skills across complex, multi-component systems Ability to produce technical documentation and drawing packages (system designs, ICDs, test plans, as-builts) Comfortable operating within a small, agile, mission-focused team that interfaces regularly with users, customers, and adjacent technical teams Strong written and verbal communication skills in a security-controlled environment Desired Skills Familiarity with shared storage solutions (NAS, SAN, distributed storage such as Ceph) Virtualization and containerization experience: VMware vSphere, KVM, Docker, Kubernetes, or Podman Data flow design experience in classified or sensitive network environments Familiarity with IT automation and configuration management tools: Ansible, SaltStack (SALT), or equivalent Familiarity with Helm Charts and YAML-based configuration management for containerized workloads DevOps experience including CI/CD pipeline design, GitOps workflows, and infrastructure-as-code practices Experience with air-gapped or disconnected network environments and offline software lifecycle management DoD 8140/8570 IAT Level II certification (Security+, CASP+, or equivalent)