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Subject matter expert providing testing expertise for complex software/hardware applications. Directs risk management assessments and software/hardware development, ensuring test design and documentation meet standards. Communicates testing status and deviations to project managers.

Expert Data Scientist/Imagery Analyst role supporting an Intelligence customer on a hybrid basis. Requires deep knowledge and experience in Geospatial Information Systems, analysis of imagery and spatial data, tasking strategies, and intelligence product dissemination.

Seeking a Red Team Cyber Operations Specialist to support Department of Energy initiatives. Responsibilities include penetration testing, web application and network security assessments. Basic qualifications include 8-12 years of experience, knowledge of cybersecurity methodologies and processes, and certifications such as GPEN, GWAPT, or CISSP. Must be a US Citizen with Q or TS Clearance.

Gray Tier Technologies is looking for a SIEM Support Engineer (Splunk) with a Secret clearance to support the DOI customer's Security Operation Center. Responsibilities include managing and maintaining the SIEM, designing and deploying SIEM solutions, optimizing SIEM processes, and coordinating with incident response teams.

The SIEM Content Developer will be responsible for creating and implementing custom IOCs and IOAs in Crowdstrike, triaging and investigating hosts using Crowdstrike, updating McAfee AV signatures, and maintaining custom Tanium packages for continuous monitoring. They will also analyze network traffic, utilize OSINT for identifying malicious activity, perform dynamic malware analysis, and contribute to SOP development. The ideal candidate should have hands-on experience with security methodologies, network security devices, and Splunk knowledge objects.

Gray Tier Technologies is looking for a Penetration Tester to join our team! We are seeking someone who has knowledge and experience in host identification, vulnerability exploitation, phishing procedures, script writing, database operations, and system/network administration. The ideal candidate should have in-depth knowledge of assessment tools such as Metasploit, Nmap, Burp Suite, Powersploit, and Cobalt Strike. Additionally, knowledge of FISMA and NIST 800 series standards, network mapping, vulnerability scanning, and web application testing is required. This is a mid-level position that requires 2-3 years of operational experience and at least one related industry certification (such as OSCP, OSCE, GPEN, GXPN, or equivalent).

The Mainframe Identity Access Management (IAM) SME will provide subject matter expertise on configuration and maintenance of the mainframe environment and perform engineering and operational activities. They will serve as the technical lead for IRS Cybersecurity identity access management and collaborate with other technology points of contact. The position is in support of the Internal Revenue Service (IRS) customer in New Carrollton MD.