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Job #: R-00005766
Location: Bethesda, MD
Category: Info Security
Schedule (FT/PT): Full time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: Public Trust
Referral Eligibility: Eligible
Group: Health

Job Description:

The Government Health and Safety Solutions Operation is seeking an Infrastructure Security Engineer in Bethesda, MD.

  • Responsible for identifying, monitoring, and defining the requirements for the overall security of infrastructure systems
  • Responsible for securing and monitoring Windows and Linux servers on-premise and in the AWS
  • Evaluate, design, and implement secure solutions for networking, authentication, and authorization with the latest security and infrastructure technologies
  • Perform infrastructure, network, and storage security scans. Interpret results and remediate security risks and vulnerabilities. Assess threat advisories to determine vulnerability and impact to the enterprise
  • Troubleshoot security related issues: firewalls, switches, physical and virtual servers
  • Recommend, document and implement policies and procedures to ensure adherence to security standards
  • Collaborate on multiple security-related projects and technologies, interfacing with team members within the organization as well as other developers and external customers/partners
  • Participate in the monthly on-call rotation to support the production environment 24/7
  • Manage projects and tasks in JIRA
  • Generate and maintain security dashboards, reports, and profiles to track the overall infrastructure health and status of the information systems



  • Bachelor's degree or equivalent work experience
  • Security certifications (CISSP, CEH, Security +)


  • 5+ years of Infrastructure Security experience and administering enterprise or government systems, storage and network in security practices, configurations, and standards. Demonstrated experience in finding and remediating vulnerabilities
  • Expert level knowledge of information security policies, controls, and processes as well as infrastructure (networks, servers), databases, and Internet technologies including security configurations, log analysis, intrusion detection and mitigation
  • Expert knowledge of cloud (AWS) cybersecurity concepts, including threats, vulnerabilities, security operations, encryption, boundary defense, auditing, authentication, and risk management
  • Strong understanding of common network protocols: UDP/TCP, DNS, SSL, TLS, HTTP/HTTPS, FTP, and SSH
  • Knowledge of information security control practices and frameworks (e.g., CIS CSC, OWASP, NIST, FISMA)
  • Experience working with security cools including Tenable, Tripwire, CarbonBlack, Splunk, Cylance and BigFix
  • Technical writing skills to develop and maintain security documentation
  • Excellent organizational, analytical and problem-solving abilities

  • Knowledge of Grants Management and Health Care related support activities, processes, and regulations are preferred

Citizen or Green Card Holder with the ability to obtain Public Trust Clearance.


Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company’s 31,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.17 billion for the fiscal year ended December 29, 2017. (NYSE: LDOS) All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

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