Cyber Systems Engineer

3 weeks ago

Arlington, Virginia, United States Leidos Full time

Job Summary:

We are seeking a highly skilled Senior Cyber Systems Engineer to join our team at Leidos. As a key member of our Electronic Warfare Division, you will be responsible for leading a team of engineers in threat hunting and tactical analysis of ongoing attacks to mission systems.

Key Responsibilities:

  • Lead small R&D projects as PI/ChEng.
  • Contribute to technical volume of cyber-related proposals.
  • Analyze network and host activity associated with both successful and unsuccessful intrusions by advanced attackers.
  • Perform network traffic analysis utilizing raw packet data, net flow, IDS, and custom sensor output.
  • Leverage understanding of tactics, techniques and procedures associated with advanced threats to create and add custom signatures that mitigate highly dynamic threats to the system.
  • Employ advanced forensic tools and techniques for attack reconstruction and intelligence gathering.
  • Proactively research emerging cyber threats. Apply analytical understanding of attacker methodologies and tactics, system vulnerabilities, and key indicators of attacks and exploits.
  • Contribute to threat intelligence reports and briefings that provide situational awareness of cyber threats impacting the company's global network infrastructure, to every level of the organization.
  • Participate in threat hunt operations using known adversary tactics, techniques and procedures, as well as indicators of attack, in order to detect advanced threats to the enterprise.
  • Collaborate using information and knowledge sharing networks and professional relationships to achieve common goals.

Requirements:

  • BS Degree and 15+ years relevant experience in cyber security or network defense.
  • Strong leadership skills for taking a team of engineers from multi-disciplinary domains and successfully completing R&D projects.
  • Strong technical execution experience as PI/ChEng, which includes technical planning and labor estimation.
  • Strong understanding of Linux-based operating systems, and network stack/routing/interconnectivity.
  • A deep understanding of advanced cyber threats targeting mission systems, along with the tools, tactics, and procedures used by those threats.
  • Experience performing intrusion analysis, digital forensics, and correlation of log data from multiple sources including PCAP and forensic artifacts.
  • Experience applying threat and data modeling, advanced data correlation, and statistical analysis to develop alerts, notable events, investigative dashboards, and metrics driven reports.
  • Working knowledge with AI/ML.
  • Working knowledge with Python and C++, and the Linux/Unix command line.
  • Must be eligible to obtain a Secret security clearance.

Preferred Qualifications:

  • Understanding of behavioral based threat models, including ATT&CK, Cyber Kill Chain, Diamond Model, etc.
  • Strong understanding of Mobile Operating Systems and Mobile Networks.
  • Previous experience as Threat Researcher and/or Intelligence Analyst.
  • Experience with dynamic malware analysis, and reverse engineering.
  • Experience in cryptography or cryptanalysis
  • Ability to create, modify, and implement both Snort and YARA signatures.
  • Working knowledge of Computer Network Exploitation (CNE), Computer Network Attack (CNA) and Computer Network Defense (CND) tools and techniques.
  • Relevant certifications such as CISSP, SANS GIAC, CEH, etc.
  • Capable and comfortable communicating actionable threat intelligence to both technical and executive-level stakeholders.
  • Published research papers at conferences or through other mediums (blogs, articles).

About Leidos:

Leidos is a leading provider of innovative technology, engineering, and cyber solutions to the US government and private sector. Our Electronic Warfare Division is a key part of our business, and we are seeking a highly skilled Senior Cyber Systems Engineer to join our team.

What We Offer:

Leidos offers a competitive salary and benefits package, as well as opportunities for professional growth and development. We are an equal opportunity employer and welcome applications from diverse candidates.

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