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Administer Linux systems and AWS cloud infrastructure in a mission-critical, security-controlled environment. Responsibilities include managing cloud resources, networking, authentication, compliance, vulnerability remediation, system logs, data flows, containerized and serverless technologies, configuration management, automation, and troubleshooting. The role supports large distributed environments, leads complex technical efforts, mentors junior staff, participates in on-call rotations, and requires an active TS/SCI clearance with polygraph.

Leads user endpoint management and systems engineering for a national intelligence program. Manages endpoint deployment, security, patching, configuration, and compliance while developing automation and installation scripts. Oversees software builds, source control, CI/CD pipelines, release procedures, environment configurations, and deployment rollbacks. Coordinates engineering, operations, and quality assurance teams, maintains technical documentation, tracks release metrics, mentors staff, and serves as the technical lead for endpoint management.

Coordinates mission-critical HPC systems test events across government teams, vendors, integrators, development, and testing organizations. Responsibilities include integrated test scheduling, test plan and case reviews, compliance matrix preparation, defect and issue tracking, stakeholder communications, risk mitigation, and documenting test results and lessons learned. The role monitors vendor testing requirements and represents HPC program interests throughout the full test lifecycle.

Supports enterprise network and endpoint infrastructure across Cisco switching, VDI, thin clients, Windows systems, PXE deployment, patching, vulnerability remediation, and Active Directory. Performs network and desktop troubleshooting, endpoint lifecycle management, STIG compliance, ticket handling, documentation, and customer support. Requires active TS/SCI clearance with current polygraph, system administration experience, classified VDI administration, Windows expertise, endpoint management, and familiarity with networking and security tools.

Secure complex federal systems through vulnerability management, technical security assessments, risk analysis, compliance reviews, and mitigation planning. Design secure systems spanning multiple enclaves and classification requirements, recommend system-level security solutions, and support trusted relationships among external systems and architectures. The role requires extensive ISSE experience, an active TS/SCI clearance with current polygraph, CISSP certification, and DoD IASAE Level 2 compliance.

Leads enterprise cybersecurity architecture for safety-critical aviation and national airspace systems. Defines Zero Trust, network, application, data, identity, endpoint, cloud, resilience, and integration security architectures across custom, commercial, government, and vendor systems. Governs security standards, reviews, threat modeling, compliance, risk assessments, and vendor deliverables. Ensures alignment with FedRAMP, RMF, NIST 800-53, FISMA, and FAA requirements while mentoring technical teams and advising executives and government customers.

Designs and maintains secure enterprise architectures aligned with NIST RMF, DoD STIGs, and cybersecurity policies. Performs security engineering throughout the SDLC, vulnerability management, compliance and accreditation support, incident response, forensic analysis, endpoint hardening, and continuous monitoring. Develops PowerShell, Bash, and Python automation, administers CyberArk and security tools, produces technical documentation and risk reports, and supports secure Windows, Linux, cloud, virtualization, and container environments. Leads projects, mentors junior engineers, and briefs leadership.

Develop and maintain Java-based web applications that automate data management and approvals for intelligence community data custodians. Design complex algorithms, ensure quality and performance, improve documentation and development processes, gather software requirements, and support installation and operational monitoring. The role uses Agile methods and technologies including Quarkus, PrimeFaces, SQL, PostgreSQL, and Elasticsearch.

Leads information assurance and ISSM activities for classified information systems. Manages RMF, ATO, authorization packages, POA&Ms, continuous monitoring, vulnerability remediation, security controls, compliance documentation, incident response, and system accreditation. Oversees Linux and Microsoft environments, applies DoD STIGs, tracks hardware and software, supports audits and inspections, and coordinates with system owners, program managers, and customers. Requires extensive cybersecurity compliance experience, CISSP or equivalent certification, Linux administration expertise, and an active TS clearance with SCI eligibility.

Design, develop, and optimize highly available cloud-native applications and infrastructure. Build Java or Python microservices, REST APIs, containerized applications, Kubernetes deployments, data pipelines, dashboards, and CI/CD workflows. Implement infrastructure as code, monitoring, testing, and reliability improvements while collaborating with architects, DevOps teams, and product managers. The role requires active TS/SCI clearance with polygraph and at least five years of related experience.