GDIT seeking a Cyber Network Security Analyst to join our team.
Must be local to the area; Some telecommuting allowed.
Perform technical analysis on a wide range of cybersecurity issues, with a focus on network activity and data; this includes, but is not limited to: network flow (i.e. netflow) or related forms of session summary data, signature-based IDS alert/event data, full packet capture (PCAP) data, proxy and application server logs (various types).
Triage IDS alerts, collect related data from various network analysis systems, review available open and closed source information on related threats & vulnerabilities, diagnose observed activity for likelihood of system infection, compromise or unintended/high-risk exposure. Prepare analysis reports detailing background, observables, analysis process & criteria, and conclusions.
Analyze large volumes of network flow data for specific patterns/characteristics or general anomalies, to trend network activity and to correlate flow data with other types of data or reporting regarding enterprise-wide network activity.
Leverage lightweight programming/scripting skills to automate data-parsing and simple analytics.
Document key event details and analytic findings in analysis reports and incident management systems.
Identify, extract and characterize network indicators from cyber threat intelligence sources, incident reporting and published technical advisories/bulletins.
Assess cyber indicators/observables for technical relevance, accuracy, and potential value/risk/reliability in monitoring systems.
Recommend detection and prevention/mitigation signatures and actions as part of a layered defensive strategy leveraging multiple capabilities and data types.
Develop IDS signatures, test and tune signature syntax, deploy signatures to operational sensors, and monitor and tune signature and sensor performance.
Fuse open-source threat & vulnerability information with data collected from sensors across the enterprise into cohesive and comprehensive analysis.
Provide technical assessments of cyber threats and vulnerabilities.
Communicate and collaborate with analysts from other SOC organizations to investigate cyber events.
Produce final reports and review incident reports from junior analysts.
Monitor and report on trends and activity on network sensor platforms.
Produce and update technical analysis documentation (processes, procedures, analysis criteria, report templates, etc.).
Basic Qualifications - To be considered for this position, you must minimally meet the knowledge, skills, and abilities listed below.
Bachelor’s Degree and a minimum of 9 years related technical experience or an additional 4 years of experience may be substituted in lieu of degree.
Active Top Secret Security Clearance with SCI eligibility is required. In addition, selected candidate must be able to obtain and maintain a favorably adjudicated DHS background investigation (EOD) for continued employment.
Working knowledge of security concepts, protocols, processes, architectures and tools (vulnerabilities, threats and exploitation, authentication & access control technologies, threat intelligence data and sources, WHOIS and DNS referential data and sources, intrusion detection/prevention capabilities, network traffic analysis, SIM technology, incident handling, media/malware analysis, etc).
Working knowledge of networking concepts, protocols and architectures (OSI-model, TCP/IP, major application protocols such as DNS/HTTP/SMTP, LAN/WANs, VPNs, routers/routing, addressing, etc).
Detailed knowledge of intrusion detection engines, capabilities and signature formats in general, with a specific focus on Snort/Sourcefire variations and regular expressions (REGEX).
Knowledge of cyber policy & issues, the global cyber community, roles of major organizations how they interrelate and interact, and challenges in these structures.
Awareness of the common cyber products and services, an understanding of their limitations, and a comprehensive understanding of the disciplines of cybersecurity.
Ability to produce results in a fast-paced environment with the ability to meet iterative deadlines.
This position requires being fully vaccinated against COVID-19 by December 8, 2021 or the start date, if after December 8.
We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.
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.