Cyber Defense Analyst
TexelTek Inc. - San Antonio, TX

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Position Summary

TexelTek , Inc. is seeking a Cyber Defense Analyst with 5+ years of experience in the Information Technology infrastructure industry to join our team in San Antonio, Texas. The analyst will have a current TS/SCI clearance and be able to perform analysis on complex datasets using various scripting languages, including Perl or Python. The analyst will need to leverage knowledge of routed and switched environments to evaluate a wide range of communication protocols within the TCP/IP protocol suite. They should possess a comprehension of advanced IP concepts, including VoIP, IPv6, VPNs, intrusion detection, firewalls, and various other computer network defense and cyber-related concepts.

Duties and Responsibilities

Evaluating and analyzing complex data and computer networks to enable Intelligence Analysis and Information Operations efforts

Analyzing target systems/networks and characterizing system capabilities, limitations and vulnerabilities from a technical perspective

Analyze packet data to discover system anomalies

Conduct signature analysis to protect sensitive government networks

Develop expertise on computer and network security tools for Microsoft® Windows™ and UNIX® based platforms

Possess a sound understanding of various Microsoft® operating systems, Microsoft® Office™ and UNIX®/Linux® operating systems

Well versed in common Cyber Threat terminology, methodologies, possess basic knowledge of cyber incident and response, and related current events

Recognize emergent patterns and linkages to visualize the larger picture of cyber-based attacks

Pro-actively develop and advocate computer and network security concepts to the customer


5+ years of experience with IT/network analysis

Current TS/SCI clearance with polygraph

Strong oral and written communication skills

Experience with usin g various tools for program and system analysis. Examples are Core Impact, IDA Pro, Metasploit , Nessus, Netcat , Nikto , Nmap , Ollydbg , PCAP tools, and WireShark

Ability to perform protocol and network analysis, including TCP/IP, UDP, FTP, HTTP, and IRC

Experience with advanced telecommunications, including LAN, WAN, routers, data communications, and connectivity

Must be Certified Information System Security Professional (CISSP) certified

Must also have at least THREE of the following certifications:

Certified Ethical Hacker (CEH)

Certified Network Defense (CNDA)

Cisco Certified Network Administrator (CCNA)

GIAC Certified Intrusion Analyst (GCIA)

GIAC Security Essentials (GSEC)

SANS Institute Network Penetration Testing and Ethical Hacking

SANS Institute Hacker Techniques, Exploits and Incident Handling

SANS Institute Forensics and Investigation

CompTIA Security+

CompTIA Network+

TexelTek is an EEO/AA Employer and Drug Free Workplace.

Disclaimer: The above job description has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications