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Job Details

Cyber Security Engineer, Mid ( R-00073540 )

Law Enforcement and Security

Diplomatic Security



Chantilly, Virginia, United States


Job Description:

Leidos is seeking a Cyber Security Engineer with TS/SCI poly to work on a government (IT) contract in the Chantilly, VA, area. Candidate will be responsible for ensuring the security of critical computer systems and networks. The ideal candidate would have a solid understanding of cyber security methods and engineering best practices. Must be able to manage incident handling, incident analysis, processes/methodologies, and the development of best practices. Must have a strong understanding of adversary processes/methodologies/TTP to include emerging threats, and the ability to develop signatures and countermeasures.

Primary Responsibilities

  • Review and ensure compliance with customer security policies and requirements
  • Conduct reviews of vulnerability and generic security scan results of both systems and networks to identify and mitigate security vulnerabilities
  • Analyze and recommend measures to mitigate network-related risks
  • Develop security policies to address unauthorized access and malicious code insertion
  • Review new and existing system and network designs for compliance with security standards and best practices
  • Participate in vulnerability assessments on new and existing systems/networks
  • Provide support for security related issues
  • Participate in forensic analysis in response to system/network vulnerabilities
  • Provide architectural and technical guidance and recommendations for maintaining the security of systems and networks
  • Verify and validate securing and hardening measures
  • Ensure all systems/networks conform to security policies, standards, and best practices

Basic Qualifications

  • Active TS/SCI clearance with polygraph
  • Bachelor’s degree in Computer Science, Computer Forensics, Information Technology or related technical discipline and 4-6 years of relevant experience. Additional experience may be substituted in lieu of degree.
  • Experience implementing advanced cyber security methods to systems and networks in a complex environment
  • Experience with Juniper and Cisco based networks.
  • Experience working in Linux-based environments
  • Understanding of networking environments to include IPv6 networking technologies (routing, switching, VLANs, subnets, firewalls); TCP/IP stacks; common networking protocols; and common enterprise technologies
  • Knowledge of ICD-503 security model
  • Experience documenting the body of evidence to support security review and accreditation to include system security plans, configuration management plans, standard operating procedures, and TEM documentation
  • Understanding of IT security principals, technologies, and best practices to include access control; PKI and other encryption methods; network-based and host-based IDS/IPS; security configuration baselines (STIG, CIS, FISMA); auditing; vulnerability discovery and management, and computer logs
  • Ability to work independently to identify errors, pinpoint root causes, document cause and effect, and devise solutions with minimal oversight
  • Experience in testing and implementing network vulnerability and protection methods
  • Knowledge of information security concepts, policy frameworks, and best commercial practices
  • Experience with security scanning and evaluation tools (Nessus, Retina, Wireshark, NMAP, EnCASE, etc.)


  • Information Assurance Certifications (i.e. CISSP, CISA, GIAC, Security +, Certified Ethnical Hacker, etc.)

Pay Range: