Network Engineer​/Analyst

Network Engineer/Analyst

Location:

Herndon, VA

Clearance: Active TS/SCI w/ Polygraph needed to apply.

Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end‑to‑end solutions to combat our nation’s toughest and most secure problems.

If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

• Medical, Dental and Vision Plans
• Generous PTO Policy
• 401(k)
• HSA and FSA options
• Life and Disability Insurance
• Tuition Reimbursement and Training
• Perks at Work Discount Program
• Referral Program
• Leads Generation Program
• College America 529
• Fitness Reimbursement Program
• Travel Assistance
• Norton Lifelock Benefit Solutions
• Life Planning Financial & Legal Services

We are seeking a Cyber Network Defense Analyst in Herndon, VA. As a Cyber Network Defense Analyst on our 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.
• Utilize the latest cyber tools available and assist with creating new ones to advance the nation’s information security posture.
• 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.

• 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.