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Gray Tier Technologies is seeking a Linux Engineer to support a Defense customer in Fort Belvoir, Virginia. The role requires a Secret clearance and involves a hybrid work setup. The ideal candidate should have experience with Red Hat Linux, LVM stack, SELinux, Windows desktops, Windows servers, STIGs, patching, and familiarity with Ansible, Jira, Atlassian products, BIND, ELK/SPLUNK/ArcSight, and databases.

The SIEM Engineer will lead SOAR activities within the Security Operations Center, ensuring SIEM availability and administrative oversight. Responsibilities include developing and implementing solutions for SOAR capabilities, enhancing operational processes, and coordinating with stakeholders to improve tool usage and governance.

As a Computer Exploitation Red Team Operator, you will test, configure, and maintain US Military critical operating systems. Collaborating with a team of experts, you will use your experience in red teaming to tackle challenges and enhance military readiness in information operations.

The Penetration Tester at Gray Tier Technologies will perform cloud pentests and act as an SME for the team, conduct internal and external assessments to identify vulnerabilities, manage web application pentests, conduct risk assessments, and respond to cyber incidents. The role emphasizes cloud security, particularly with AWS and related technologies.

The VAT Analyst Jr. assists in compliance validation and executes vulnerability scans on IT systems. Responsibilities include conducting vulnerability assessments, researching current vulnerabilities, supporting incident response, authoring security advisories, and preparing reports on vulnerabilities.

The Senior Penetration Tester at DHS is responsible for developing pen testing resources, supporting public facing sites, establishing a pen testing program, conducting hands-on pen testing, and communicating solutions for vulnerabilities identified during testing.

The Senior Windows Administrator/Engineer will provide subject matter expertise in Windows administration, manage applications and databases, oversee data migration, and support deployment activities, ensuring a secure operational capability for federal government services.