Senior Information Systems Security Officer with Active TS/SCI Poly

4 weeks ago


Annapolis Junction, Maryland, United States Leidos Full time

Leidos is seeking a highly skilled Information Systems Security Officer to join our team at our Annapolis Junction, MD location.

The selected candidate will act as an ISSO for a large software development program, providing support for implementing and enforcing information systems security policies, standards, and methodologies.

Key responsibilities include:

  • Providing support for implementing and enforcing information systems security policies, standards, and methodologies.
  • Assisting in the evaluation of security solutions to ensure they meet security requirements for processing multiple types of information.
  • Analyzing threats and developing and implementing best practice methodologies for incident detection, reporting, and vulnerability remediation.
  • Maintaining records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades.
  • Evaluating security solutions to ensure they meet security requirements for processing information.
  • Maintaining operational security posture for information systems.
  • Providing support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system/program/enclave.
  • Developing and maintaining documentation for Certification & Accreditation in accordance with specified policies.
  • Developing and updating system security plans and other IA documentation.
  • Providing CM for security-relevant information system software, hardware, and firmware.
  • Developing system security policy and ensuring compliance.
  • Administering the user identification and authentication mechanisms of the Information System.

Candidates must possess an active TS/SCI with Polygraph to be considered for this role.

Requirements include:

  • BS degree and 12 – 15 years of prior relevant experience.
  • Demonstrated knowledge of and experience with several of the following: current security tools; hardware/software security implementation; communication protocols; encryption techniques/tools.
  • Experience completing security evaluations of software systems or architectures to ensure they meet security requirements.
  • Experience preparing and maintaining SSPs and other security-related documentation.
  • Experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies, preferably on a large software or IT program.
  • Demonstrated experience performing day-to-day security operations of large, complicated information and information processing systems.
  • Must be committed to developing and adhering to best practices.
  • Must be a solutions-oriented team player and must possess a high level of self-initiative.
  • Must have excellent interpersonal skills.

Preferred qualifications include:

  • Extensive experience as an Information Systems Security Officer on large software development and integration programs.
  • DoD 8570 compliance with IAT Level I or higher.


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