• Type: Contract
  • Job #2729

Title: Expert Cyber Threat Hunter
Location: McLean, 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.

Join our Adversarial Pursuit team as a Cyber Threat Hunt Expert on this Cyber Security support contract. Help strengthen an established unit of elite cyber defense experts by advising strategic vision and tactical implementation to protect our customer's varied networks from all enemies.

Responsibilities include, but are not limited to:

Provide strategic and tactical direction to cyber hunters and leadership based on trends and actionable intelligence related to threat capabilities

Coordinate hunt activities between various internal and external hunt groups

Construct and exploit threat intelligence to detect, respond, and defeat advanced persistent threats (APTs)

Fully analyze network and host activity in successful and unsuccessful intrusions by advanced attackers

Build fly-away kits utilizing an agile approach to identify the appropriate tools and technologies necessary to conduct hunt missions

Conduct advanced threat hunt operations using known adversary tactics, techniques and procedures as well as indicators of attack in order to detect adversaries with persistent access to the enterprise

Create and add custom signatures, to mitigate highly dynamic threats to the enterprise using the latest threat information obtained from multiple sources. Perform malware analysis on samples obtained during an investigation or hunt operation to create custom signatures

Develop and produce reports on all activities and incidents to help maintain day to day status, develop and report on trends, and provide focus and situational awareness on all issues

Piece together intrusion campaigns, threat actors, and nation-state organizations

Manage, share, and receive intelligence on APT adversary groups

Generate intelligence from their own data sources and share it accordingly

Identify, extract, and leverage intelligence from APT intrusions

Expand upon existing intelligence to build profiles of adversary groups

Leverage intelligence to better defend against and respond to future intrusions

Correlate data from intrusion detection and prevention systems with data from other sources such as firewall, web server, and DNS logs

Notify the management team of significant changes in the security threat against the government networks in a timely manner and in writing via established reporting methods

Coordinate with appropriate organizations within the intelligence community regarding possible security incidents.  Conduct intra-office research to evaluate events as necessary, maintain the current list of coordination points of contact.

Review assembled data with firewall administrators, engineering, system administrators and other appropriate groups to determine the risk of a given event

Maintain knowledge of the current security threat level by monitoring related Internet postings, Intelligence reports, and other related documents as necessary

Ability to demonstrate effective interpersonal, organizational, writing, communications, and briefing skills

Ability to use advanced level analytical and problem-solving skills to solve complex issues

CISSP or CEH Certification

DoD 8570 IAT Level III or CSSP-SPM (can be obtained after hire)

Active TS/SCI with polygraph clearance

Bachelor’s Degree in Electrical Engineering, Computer Engineering, Computer Science, or other closely related Information Technology field of study

Equal Opportunity Employment
Cornerstone Defense is proud to be an Equal Opportunity Employer. We are committed to creating an inclusive working environment for all employees and to upholding diversity in our recruiting and hiring processes. All qualified applicants will receive equal consideration for employment without regard to sex, gender identity, sexual orientation, race, color, age, religion, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by law.

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