Arsiem6mo ago

Network Based Systems Analyst II

United States·ArlingtonFull-timemid

OtherSystems AnalystBusiness Analysis & Process

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Overview

About ARSIEM Corporation At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government.

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pythoncybersecurity

About ARSIEM Corporation

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

ARSIEM is looking for a Cyber Network Defense Analyst (CNDA) to monitor network activity and analyze it for evidence of suspicious behavior. Monitoring and analysis are performed to identify and report events that occur, or might occur, within the network, in order to protect information, information systems, and networks from threats. This position will support one of our Government clients in Arlington, VA.

Characterize and analyze network traffic to identify anomalous activity and potential threats to network resources.

Coordinate with enterprise-wide cyber defense staff to validate network alerts.

Document and escalate incidents (including the event's history, status, and potential impact for further action) that may cause ongoing and immediate impact on the environment

Perform cyber defense trend analysis and reporting

Perform event correlation using information gathered from a variety of sources within the enterprise to gain situational awareness and determine the effectiveness of an observed attack

Provide daily summary reports of network events and activity relevant to cyber defense practices

Receive and analyze network alerts from various sources within the enterprise and determine possible causes of alerts

Provide timely detection, identification, and alerting of attacks/intrusions, anomalous activities, and misuse activities, and distinguish these incidents and events from benign activities

Use cyber defense tools for continual monitoring and analysis of system activity to identify malicious activity

Analyze identified malicious activity to determine weaknesses exploited, exploitation methods, effects on the system, and information

Identify and analyze anomalies in network traffic using metadata

Validate intrusion detection system (IDS) alerts against network traffic using packet analysis tools

Identify applications and operating systems of a network device based on network traffic

Reconstruct a malicious attack or activity based on network traffic

Identify network mapping and operating system (OS) fingerprinting activities

Assist in the construction of signatures that can be implemented on cyber defense network tools in response to new or observed threats within the network environment or enclave

BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 4+ years of network investigations experience.

2+ years of direct relevant experience in cyber defense analysis using leading-edge technologies and industry-standard cyber defense tools

Experience in successfully developing and deploying signatures

Experience detecting host and network-based intrusions via intrusion detection technologies (e.g., Snort)

Experience implementing incident handling methodologies

Experience implementing protocol analyzers

Experience collecting data from a variety of cyber defense resources

Experience reading and interpreting signatures (e.g., Snort)

Experience performing packet-level analysis

Experience conducting trend analysis

Python programming experience

Strong math and science background