Job Duties Include:Provide all preventative and corrective maintenance to ensure consistent, reliable, and secure service availability. This includes all actions required to return the service to full operational capability such as vendor RMA processes, removal and proper disposal of broken equipment/software, installation and testing of new equipment/software, and configuration of new equipment/software Maintain system availability and reliability with a threshold of 99.99% Detect and ticket degradations (volume/velocity) of all SIEM data flows within 60 minutes of the start of the degradation Perform day-to-day maintenance, and specific scheduled maintenance activities that result from manufacturers recommended service intervals, alerts, bulletins, available patches, and updates according to agency approved change management processes. This includes maintaining updated documentation, change logs, and service bulletin libraries for all supported equipment and software in the CSOC knowledge management platform Execute emergency maintenance actions with sufficient urgency to preclude unacceptable outage durations, approved by the Government prior to execution, and coordinated through and approved by CSOC and ESC government management Perform all development, engineering, testing, integration, and implementation actions necessary for major vendor revisions Perform continuous engineering assessments to improve the performance, effectiveness, coverage, and maturity of this service. Retain documentation regarding loss of event logs (e.g. June 5-7th DNS logs were not ingested from SBU and are lost) Configure all assets assigned to this service within the Government Furnished Information - Software Tools list in accordance with all Federal, DoD, IC, and NGA laws, directives, orders, polices, guidance, procedures etc. Perform all development, design, engineering, testing, integration, and implementation actions needed for the total integration and interoperability between all applicable assets in the Government Furnished Information - Software Tools list. This includes ensuing all data flows are properly parsed for ingestion/transmission to internal and external automated reporting systems (e.g. JFHQ DoDIN - Joint Incident Management System, DoD CIO - DoD Scorecard/Get to Green reporting, IC CIO - Cybersecurity Performance Evaluation Model reporting, etc.) Utilize agency approved ticketing systems to document, track, assign, update, and coordinate all engineering, integration, configuration, and maintenance actions Use various monitoring, analysis, and visualization tools to track effectiveness, status, performance metrics, and other information as needed or required by Government staff and contractors assigned Cybersecurity Operations Services and Cybersecurity Readiness ServicesRequired Skills: SIEM experience with one of the following ArcSight, Elasticsearch, Splunk, Event Broker, User Behavioral Analysis (UBA) Experience providing support to Cybersecurity Operations Cell (CSOC) in creating alerting rules Create SIEM playbooks Linux (RHEL) Expert (administration and engineering) Proficient in manipulating SIEM filters to better find and analyze potential malicious/atypical activity and reduce false positives Experience with content development within ArcSight and Kibana to facilitate Cyber Analysts ability to investigate malicious events Creation of ArcSight rules based on use cases of malicious events Tuning and aggregation of queries and filters Skilled in troubleshooting event flow through Enterprise Audit infrastructure Skilled in troubleshooting event format and parsing for ingest into data storage and into SIEM tools Active TS/SCI Clearance DoD 8570.01-M IAT Level II and CSSP Infrastructure Support certifications 3+ years' Experience with SIEM and Development Projects 3+ years' Experience with SIEM support for projects and technical exchange meetings 6+ years' Experience developing and maintaining enterprise audit projects.Desired Skills: Kibana Data AnalyticsInvestigates, analyzes, and responds to cyber incidents within a network environment or enclave.Uses data collected from a variety of cyber defense tools (e.g., IDS alerts, firewalls, network traffic logs) to analyze events that occur within their environments for the purposes of mitigating threats.Interprets, analyzes, and reports all events and anomalies in accordance with computer network directives, including initiating, responding, and reporting discovered events.Evaluates, tests, recommends, coordinates, monitors, and maintains cybersecurity policies, procedures, and systems, including access management for hardware, firmware, and software.Ensures that cybersecurity plans, controls, processes, standards, policies, and procedures are aligned with cybersecurity standards.Identifies security risks and exposures, determines the causes of security violations and suggests procedures to halt future incidents and improve securityDevelops techniques and procedures for conducting cybersecurity risk assessments and compliance audits, the evaluation and testing of hardware, firmware and software for possible impact on system security, and the investigation and resolution of security incidents such as intrusion, frauds, attacks or leaksMay coach and provide guidance to less experienced professionals.May serve as a team or task lead.EDUCATION AND EXPERIENCE: Technical Training, Certification(s) or Degree, 5+ years of experienceWork Requirements.cls-1{fill:none;stroke:#5b6670;stroke-miterlimit:10;stroke-width:2px} Years of Experience 3 + years of related experience* may vary based on technical training, certification(s), or degree.cls-2{fill:none;stroke:#5b6670;stroke-miterlimit:10;stroke-width:2px} CertificationTravel Required None.cls-3{fill:none;stroke:#5d666f;stroke-miterlimit:10} Citizenship U.S. Citizenship RequiredSalary and Benefit Information The likely salary range for this position is $60,549 - $101,109. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. View information about benefits and our total rewards program. About Our WorkWe are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.