Jobs at Castalia Systems

Lead use-case identification, gather and document requirements, coordinate stakeholders, define measurable objectives, develop business cases, track pilot integrations, manage traceability, and support governance and continuous improvement for technology integration pilots.

Design and implement automated ML and integration solutions, including data pipelines, LLM/AI integrations (Amazon Bedrock, Databricks), malware analysis automation, API integrations, feature engineering automation, monitoring, and scaling pilot systems to production while collaborating with analysts and documenting solutions.

Manage and secure a 300+ VM Virtual Machine Operating Environment across multiple security classifications. Perform system administration, patching, backups, STIG compliance, PKI maintenance, log monitoring, ACAS scanning, ServiceNow ticketing, and collaborate with developers and DoD stakeholders.

Conduct capability-based research on commercial and open-source cyber technologies, evaluate and test solutions against customer requirements, manage pilots to production, maintain technology inventories, engage requestors to clarify needs, and oversee implementation and risk mitigation for mission-critical cyber capabilities.

Provide onsite incident response support for government agencies, design and maintain lab network infrastructure, assess topology and vulnerabilities, implement access controls and hardening, support VPNs and VDI (Citrix/VMware), troubleshoot complex network and storage issues (NetApp/FlexPod), configure routers/switches/firewalls, and develop SOPs and documentation to ensure secure, performant network operations.

Perform structural, substantive, and copy editing of analytical manuscripts and correspondence for clarity, style, accuracy, and compliance; provide quality control, mentor lower-level contractors, process and disseminate documents in multiple formats, support fast-paced tasking and crisis work, and liaise with subject matter experts and customers.

Senior Data Scientist to build Python-based data processing pipelines, apply statistical and ML techniques (including AI/ML for unstructured data), integrate diverse datasets, develop dashboards in Tableau/Power BI, perform data quality and validation, use ABI tools/tradecraft, and collaborate with analysts and engineers to deliver mission-focused intelligence products.

Edit, format, and review GEOINT text and graphics to meet agency and IC standards. Collaborate with analysts and leadership to ensure publication quality, troubleshoot production issues, provide classification guidance, and prepare briefing materials under time-sensitive, rotating-shift operations.

Conduct all-source analysis of foreign C4 and C4ISR/ISR capabilities (SIGINT, GEOINT, OSINT, HUMINT, ELINT); assess exercises, assets, networks, early warning, and modernization/acquisition trends; produce analytic products on naval, air, surface, undersea, and expeditionary forces; maintain situational awareness and relay intelligence in high-tempo operations.

Provide systems engineering and integration support for operational Intelligence Community systems, managing projects from concept through transition. Assess, plan, implement, test, and troubleshoot complex systems, develop technical documentation and plans, coordinate stakeholders, track risks and milestones, and ensure compliance with security and operational requirements in a SCIF environment.

Operate within an air-gapped DoD network to deploy and support security capabilities, perform Windows/Linux systems administration, manage identity and PKI, administer VMware virtualization, create and maintain system documentation, and coordinate cyber risk mitigation. Position is onsite with occasional travel (up to ~10%).

Develop and maintain object-oriented software for satellite ground systems, collaborate with engineers and architects in an Agile/SAFe environment, and apply multithreaded Java development practices. Support CI/CD, DevSecOps, and microservices-based deployments in cloud environments as needed.

Senior Network Engineer responsible for implementing and maintaining secure voice and collaboration infrastructure (CUCM, Unity, VoIP, SBCs), performing upgrades, DISA STIG hardening, vulnerability remediation, troubleshooting, documentation, and mentoring junior staff. Works onsite in a DoD environment, collaborates with cybersecurity and network stakeholders, and supports migration and modernization efforts while maintaining accreditation and compliance.

Onsite infrastructure engineer responsible for datacenter planning and sustainment of private cloud hardware/software. Administer Windows and Linux hosts, VMware ESXi/vCenter/vSphere environments, implement DISA STIGs, build HA clusters and virtual networks, perform backups and troubleshooting, document procedures, support security audits and remediation, and coordinate with facilities (HVAC/electrical) for power and cooling requirements.

Operate onsite in an air-gapped DoD network to deploy and support security capabilities, perform systems administration (Linux/Windows), manage identity/PKI and virtualization, document systems, assess and mitigate cyber risk, and integrate cybersecurity posture across enterprise services.

The role involves the administration and maintenance of a classified Azure environment, software management, system health monitoring, and supporting both Windows and Linux infrastructure.

The Enhancement Specialist is responsible for editing and producing intelligence documents, ensuring clarity and accuracy, and collaborating with analysts to enhance GEOINT products.

Perform in-depth analysis of foreign missile systems and related technologies, assess vulnerabilities and supply chains, collaborate with engineers and IC partners, produce concise defense intelligence products, and lead analytic teams.

Edit and reorganize intelligence and defense-related documents to meet tradecraft standards. Evaluate products for consistency, confer with authors, rewrite as needed, and support military policy, strategy, and readiness documentation.

Manage and administer TEN lab infrastructure: RHEL/Linux systems, Splunk, and Ansible automation. Perform deployments, patching, STIG compliance, storage troubleshooting, develop Ansible playbooks, create Splunk dashboards/alerts, and support incident response and lab SOPs to maintain mission continuity.