# Computer Network Defense Analyst **Company**: Leidos **Location**: Arlington, VA **Work arrangement**: onsite **Experience**: mid **Job type**: full-time **Salary**: $69,550.00 - $125,725.00 **Category**: Security **Industry**: Technology **Apply**: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Arlington-VA/Computer-Network-Defense-Analyst_R-00192831?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply **Canonical**: https://yubhub.co/jobs/job_f40db34b-383 ## Description We are currently seeking a Cyber Network Defense Analyst to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Our team supports CESO's mission to protect networked systems and services from cyber threats as CESO migrates to a high security cloud environment, operating as a 24x7, mission-critical function providing network defense, monitoring, and incident response services. We are looking for a self-starter capable of independently performing daily tasks while also working well within a team that requires significant coordination and communication. **Primary Responsibilities** - Perform computer network incident detection and response activities to detect, correlate, identify, and characterise anomalous activity indicative of threats to the CESO enterprise. - Monitor security tools and applications for possible malicious activity, investigate associated alerts or indicators, and develop recommendations for a course of action, including mitigation strategies as required. - Document each event and its associated analysis in a ticketing system with clear, accurate technical writing so it can be reviewed and acted on appropriately. - Maintain regular face-to-face interaction with the customer; handle issues when they are raised by the customer with little or no supervision. - Positively influence team performance by improving CESO processes and procedures. - Ensure system checks are performed in a timely manner and that documentation is complete and accurate. - Assist senior analysts and/or managers with forecasting and modelling current threats. - Develop a strong rapport with the customer and serve as a trustworthy network defense analyst. - Collaborate with infrastructure, storage, database, and application teams to align network defense monitoring with CESO's operational requirements as the program transitions to its secure cloud environment. **Basic Qualifications** - Bachelor's degree and 2+ years of related experience; additional experience, education, or training may be considered in lieu of degree. - Active TS/SCI security clearance required for this position. - DoDD 8140 IAT Level II (or Level III) certification (e.g., Security+ CE). - Strong computing systems knowledge with Windows, Red Hat, Cloud (AWS, Azure), and particularly networking, including communication protocols and familiarity with common security elements such as IDS/IPS systems and firewalls. - Experience with implementing application/hardware security settings using vendor and DISA best business practices. - Candidate may be asked to obtain a CI Polygraph in the future. **Preferred Qualifications** - Prior CND experience, ideally within a large enterprise or DoD/IC program environment. - Experience monitoring intrusion detection and computer network defense appliances, applications, and analysing associated alerts. - Experience documenting analysis and providing response recommendations in a ticketing/case management system. - Experience reviewing system logs manually and using automatic SIEMs tools (e.g., SPLUNK, Elastic) and performing network log analysis. - Prior experience with DISA and DISA's support to mission partners. - An understanding of disaster recovery and business continuity concepts as they apply to secure cloud migrations. The position is based in Arlington, VA and is 100% on-site. Requires a TS/SCI US Government Security Clearance to start. The pay range for this job is $69,550.00 - $125,725.00. ## Skills ### Required - Windows - Red Hat - Cloud - AWS - Azure - networking - IDS/IPS systems - firewalls - SIEMs - SPLUNK - Elastic ### Nice to have - CND experience - intrusion detection - computer network defense - DISA - disaster recovery - business continuity --- Source: [Apply at leidos.wd5.myworkdayjobs.com](https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Arlington-VA/Computer-Network-Defense-Analyst_R-00192831?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)