B4Corp
Position: Cyber Network Defense Analyst (Level 2 – Expert)
Company: B4Corp
Location: Herndon, VA
Salary: Up to $195,000.00 per year
Core Hours: 9am - 4pm
Description We are seeking a Cyber Network Defense Analyst to join our Herndon, VA team. The role requires a Top Secret (TS/SCI) clearance with a polygraph. The analyst will use expertise in Host Based Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), and specialized network defense to provide innovative solutions to challenging cyber security problems. Responsibilities include tuning rules, signatures, and custom content for CND applications, identifying conflicts with enterprise tools, and recommending remediation to advance the nation’s information security posture.
Responsibilities
11-15 years of experience in cyber security and network defense
Provide malicious code detection and intrusion detection tool development and integration
Utilize forensic analysis to identify malware, misuse, or unauthorized activity
Investigate and report on virus and malware alerts or incidents to determine root cause and risk
Analyze data from Internet, Intelligence Community reporting, security events, firewall logs, and other sources to identify potential threats
Track intelligence using open source and classified sources to identify malicious code threats and provide counter‑measures
Create, edit, and manage signatures, custom rules, and filters for network and host‑based IDS, IPS, firewalls, web application firewalls, SOAR, Proxy, and SIEM systems
Prepare data analytics and reporting
Qualifications Mandatory Requirements
Developmental: 0‑2 years’ experience
Full Performance: 3‑5 years’ experience
Senior: 6‑10 years’ experience
Expert: 11‑15 years’ experience
SME: 16+ years’ experience
2+ years of experience in Network Defense, Operations, Cybersecurity, Engineering, Security Engineering, Information Security, Systems Architecture, or Data Analysis
Programming experience with Python, JavaScript, Yara, or Snort
Experience using SIEM tools for case development and application
Experience with network security applications, protocols, and associated hardware
Knowledge of enterprise cyber defense technologies such as SIEM systems, SysMon, IDS/IPS, e‑detection & response (EDR/NDR), forensics tools, Web/Email gateway security, SOAR, and cloud platforms (Azure, AWS, or Google)
Experience with MITRE ATT&CK and Splunk (or Splunk Enterprise Security)
Optional Requirements
Interpersonal, organizational, written, and briefing communication skills
Analytical and problem‑solving skills
Logical use case development and tracking of engineering requirements
Identification of gaps in visibility or coverage of cyber defense systems
Benefits
Competitive salary up to $195,000.00
Full Vanguard 401k Plan with 100% employer match up to 6%
Phantom stock with two‑year vesting
Medical, Dental, Vision, Short‑term and Long‑term Disability, and Life insurance coverage
Seven weeks PTO (including federal holidays)
Educational benefits including free CBTNuggets and Linux Academy accounts
Employee referral bonus of $3,000 per year per referral
B4Corp is an EEO and e‑Verify employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, or national origin.
#J-18808-Ljbffr
Company: B4Corp
Location: Herndon, VA
Salary: Up to $195,000.00 per year
Core Hours: 9am - 4pm
Description We are seeking a Cyber Network Defense Analyst to join our Herndon, VA team. The role requires a Top Secret (TS/SCI) clearance with a polygraph. The analyst will use expertise in Host Based Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), and specialized network defense to provide innovative solutions to challenging cyber security problems. Responsibilities include tuning rules, signatures, and custom content for CND applications, identifying conflicts with enterprise tools, and recommending remediation to advance the nation’s information security posture.
Responsibilities
11-15 years of experience in cyber security and network defense
Provide malicious code detection and intrusion detection tool development and integration
Utilize forensic analysis to identify malware, misuse, or unauthorized activity
Investigate and report on virus and malware alerts or incidents to determine root cause and risk
Analyze data from Internet, Intelligence Community reporting, security events, firewall logs, and other sources to identify potential threats
Track intelligence using open source and classified sources to identify malicious code threats and provide counter‑measures
Create, edit, and manage signatures, custom rules, and filters for network and host‑based IDS, IPS, firewalls, web application firewalls, SOAR, Proxy, and SIEM systems
Prepare data analytics and reporting
Qualifications Mandatory Requirements
Developmental: 0‑2 years’ experience
Full Performance: 3‑5 years’ experience
Senior: 6‑10 years’ experience
Expert: 11‑15 years’ experience
SME: 16+ years’ experience
2+ years of experience in Network Defense, Operations, Cybersecurity, Engineering, Security Engineering, Information Security, Systems Architecture, or Data Analysis
Programming experience with Python, JavaScript, Yara, or Snort
Experience using SIEM tools for case development and application
Experience with network security applications, protocols, and associated hardware
Knowledge of enterprise cyber defense technologies such as SIEM systems, SysMon, IDS/IPS, e‑detection & response (EDR/NDR), forensics tools, Web/Email gateway security, SOAR, and cloud platforms (Azure, AWS, or Google)
Experience with MITRE ATT&CK and Splunk (or Splunk Enterprise Security)
Optional Requirements
Interpersonal, organizational, written, and briefing communication skills
Analytical and problem‑solving skills
Logical use case development and tracking of engineering requirements
Identification of gaps in visibility or coverage of cyber defense systems
Benefits
Competitive salary up to $195,000.00
Full Vanguard 401k Plan with 100% employer match up to 6%
Phantom stock with two‑year vesting
Medical, Dental, Vision, Short‑term and Long‑term Disability, and Life insurance coverage
Seven weeks PTO (including federal holidays)
Educational benefits including free CBTNuggets and Linux Academy accounts
Employee referral bonus of $3,000 per year per referral
B4Corp is an EEO and e‑Verify employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, or national origin.
#J-18808-Ljbffr