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2027395 Network Engineer $195,000.00

B4Corp
Herndon, VA Contractor
POSTED ON 12/30/2025
AVAILABLE BEFORE 1/28/2026
Labor Category: Network Engineer

Position Title: Cyber Network Defense Analyst

Position Level: Level 2 – Expert

Salary: Up to $195,000.00 per year

Core Hours: 9am to 4pm

Location: Herndon VA

Description

Position Requires a Top Secret (TS/SCI) Clearance with a Polygraph.

B4Corp is seeking a Cyber Network Defense Analyst in Herndon, VA. As a Cyber Network Defense Analyst on a team, you will use your expertise in Host Based Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS) and specialized network defense to provide innovative and creative solutions to challenging cyber security problems. Manage and administer the tuning of rules, signatures, and custom content for CND applications and systems. Identify potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflicts. You will utilize the latest cyber tools available and assist with creating new ones while allowing you to advance the nation's information security posture.

Responsibilities Include, But Are Not Limited To

  • 11-15 years experience
  • Provide malicious code detection, intrusion detection, and information security tool development and integration.
  • Utilize forensic analysis to identify malware, misuse, and/or unauthorized activity.
  • Investigate and report on virus and malware alerts or incidents to determine root cause, entry point of code and damage risk.
  • Analyze all data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data sources to identify malware, misuse, unauthorized activity or other cyber security related concerns.
  • Track intelligence using open source and classified sources to identify malicious code threats and provide solutions to counteract that threat.
  • Create, edit, and manage signatures, custom rules and filters for specialized network defense systems including but not limited to, Network and host-based IDS, IPS, firewalls and web application firewalls, Security Orchestration, Automation and Response (SOAR), Proxy, and Security Information and Event Management (SIEM) systems
  • Prepare data analytics and reporting.

Details

Labor Category: Network Engineer

Position Title: Cyber Network Defense Analyst

Position Level: Level 2 – Expert

Salary: Up to $195,000.00 per year

Core Hours: 9am to 4pm

Location: Herndon VA

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, Network Operations, Cybersecurity, Network Engineering, Security Engineering, Information Security, Systems Architecture or Data Analysis
  • Experience writing script in programming languages such as 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, network and host based IDS and IPS, network and host-based malware detection and prevention, Endpoint Detection & Response (EDR) and Network Detection & Response (NDR), Network and Host malware detection and prevention (EDR/NDR) tools, forensics tools and applications, Web/Email gateway security technologies, Security Orchestration, Automation and Response (SOAR) and cloud based platforms such as Azure, AWS, or Google
  • Experience with MITRE ATT&CK
  • Experience with Splunk or Splunk Enterprise Security

Optional Requirements

  • Ability to demonstrate interpersonal, organizational, writing, communications, and briefing skills
  • Ability to effectively use analytical and problem-solving skills
  • Provide logical use case development.
  • Provide and track requirements to engineering partners.
  • Identify gaps in visibility or coverage of cyber defense systems.

B4CORP Company Information

B4Corp is a small defense contracting company that focuses on providing an optimum environment for mission-focused, highly skilled consultants to support the United States of America’s intelligence community and other defense organizations. B4Corp provides a low overhead, highly efficient, high salary environment that allows employees to excel at meeting the client’s needs. B4Corp is looking for information technology professionals that have a high sense of personal responsibility, self-motivation, and mission drive.

B4Corp’s dedication and care for its employees is reflected in our outstanding compensation and benefits package. B4Corp’s benefits reflect the company’s policy of putting the employees first. B4Corp’s maximum flexibility comp / makeup time policy, along with the company’s cafeteria-style benefit plan that allows employees to maximize their Benefit Dollars, reflects B4Corp’s commitment to its employees.

Compensation

  • Outstanding Salaries

Retirement

  • Full Vanguard 401k Plan – Featuring a full scope of investment options – 100% employer matched contribution up to 6% of employee's salary – Ability to max out 401k savings $57k ($63.5k if over 50)
  • Employees receive B4Corp phantom stock each year (2-year vesting period)

Insurance

  • Medical – United Health Care (UHC) (multiple plan options)
  • Dental – United Concordia (UC) Flex Plan
  • Vision – Vision Service Plan Insurance Co (VSP) Signature Plans
  • Mutual of Omaha short-term disability (60% of salary up to $2,000.00/week)
  • Mutual of Omaha long-term disability (60% of salary up to $10,000.00/month)
  • Mutual of Omaha life insurance ($200,000.00)

Employee Referral Bonus

  • Refer a friend or a coworker and receive $3,000 per year for every year the person works for B4CORP

Paid Time Off (PTO)

  • Seven weeks of leave per year (including ten federal holidays)
  • Flexible work schedule with comp time (with customer approval)

Tuition And Training

  • Free CBTNuggets Online Training Account – More than 200 online IT courses on a large variety of topics, including networking, security, virtualization, and the cloud – Cisco, Microsoft, and Google – Virtual Labs
  • Free L inux Academy Online Training Account

Internal Tracking -MJ-2

If You Would Like To Complete a Detailed B4Corp Employment Application, Please Do So Using This Form (You Only Need To Fill Out This Application Once For B4Corp Or If You Have Updates To The Information.)

https://b4corp.com/b4corp-employment-application/.

This form will help us find you the best position quicker.

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. Please take the time to review and complete these three voluntary identification forms if you choose to do so and email them to hr@b4corp.com.

Salary : $10,000 - $195,000

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