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Gray Tier Technologies, LLC

Senior Penetration Tester

Reposted 15 Days Ago

Ashburn, VA, USA

Senior level

Security • Software • Cybersecurity

The Senior Penetration Tester develops and supports pen testing resources, establishes programs throughout DHS, conducts hands-on testing, and recommends solutions.

Top Skills: AppdetectiveBurp SuiteCobalt StrikeKali LinuxMetasploitScubaTenable NessusWeb Inspect

Gray Tier Technologies, LLC

Cyber Threat Analyst

Reposted 15 Days Ago

Ashburn, VA, USA

Senior level

Security • Software • Cybersecurity

The Cyber Threat Analyst will lead incident response activities, conduct log analysis, mentor junior staff, and improve security measures using advanced technologies.

Top Skills: Endpoint Detection & ResponseNetwork ForensicsSplunk

Gray Tier Technologies, LLC

Penetration Tester (Cloud)

Reposted 15 Days Ago

Ashburn, VA, USA

Senior level

Security • Software • Cybersecurity

This role involves performing penetration tests on cloud systems, providing vulnerability assessments, and acting as a cloud pentesting SME. The candidate will also respond to cyber incidents and assess vulnerabilities across various formats.

Top Skills: AWSCloudDockerKubernetesPenetration TestingWeb Application Security

Gray Tier Technologies, LLC

Vulnerabilities Analysis Team (VAT) Analyst Jr.

Reposted 15 Days Ago

Ashburn, VA, USA

Junior

Security • Software • Cybersecurity

The VAT Analyst assists with vulnerability management compliance, conducts vulnerability scans and assessments, and supports Incident Response functions. Responsibilities include authoring security advisories and reporting vulnerabilities.

Top Skills: AppdetectiveBashBurp SuiteDhs Cdm ToolsPowershellPythonTenable Security CenterVisual BasicVulnerability Scanning ToolsWebinspect

Gray Tier Technologies, LLC

Detection Engineer

Reposted 15 Days Ago

Ashburn, VA, USA

Senior level

Security • Software • Cybersecurity

Identify gaps in detection capabilities, create and tune signatures, develop incident response playbooks, and support forensic operations.

Top Skills: Carbon BlackCrowdstrikeDhcpDnsFirewallsIntrusion Detection SystemsPowershellProxiesPythonSoar PlatformTaniumVpn

Gray Tier Technologies, LLC

Windows Systems Administrator

Reposted 15 Days Ago

Washington, DC, USA

Senior level

Security • Software • Cybersecurity

The Windows Systems Administrator will manage IT systems, direct system admin tasks, optimize resources, and train users while ensuring security compliance.

Top Skills: Active DirectoryIisJIRAMicrosoft 365AzureMicrosoft Hyper-VSharepointVMwareWindows

Gray Tier Technologies, LLC

Sr Applications and SharePoint Developer

Reposted 16 Days Ago

Washington, DC, USA

Senior level

Security • Software • Cybersecurity

Develop and maintain SharePoint applications, support IT functions for the National Security Council, and ensure compliance with security regulations. Collaborate in an Agile environment to deliver high-quality software solutions.

Top Skills: .NetBootstrapC#GitJavaScriptJqueryNode.jsReactRest ApiSharepoint 2019Sharepoint DesignerSpfxSvnVisual Studio

Gray Tier Technologies, LLC

Full Stack Developer

Reposted 16 Days Ago

Washington, DC, USA

Expert/Leader

Security • Software • Cybersecurity

The Full Stack Developer is responsible for application development, operational support, and maintaining systems, with expertise in C# and a TS/SCI clearance.

Top Skills: AgileC#CSSHTMLJavaScriptPostgresRestful Web ServicesSharepointTypescriptWeb Api

Gray Tier Technologies, LLC

SIEM Engineer - SOAR SME

Reposted 16 Days Ago

Leesburg, VA, USA

Senior level

Security • Software • Cybersecurity

The SIEM Engineer will oversee SOAR activities, provide engineering support to SOC, manage SIEM operations, and improve processes.

Top Skills: SIEMSoarSplunk

Gray Tier Technologies, LLC

All Source Intelligence Analyst

Reposted 19 Days Ago

Fort Belvoir, VA, USA

Senior level

Security • Software • Cybersecurity

The All Source Intelligence Analyst will conduct intelligence analysis, research open sources, and brief findings to senior officials, supporting operations at Fort Belvoir.