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Job #: TR-660505
Location: Columbia, MD
Category: Info Security
Schedule (FT/PT): Full time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret/SCI with Polygraph
Referral Eligibility: Yes
Group: Defense & Intel

Job Description:
The Information System Security Officer (ISSO) will provide configuration management (CM) for information system security software, hardware, and firmware. Manages changes to system and assesses the security impact of those changes. Prepares and reviews documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs). Supports security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP), DoD Information Assurance Certification and Accreditation Process (DIACAP).

Job duties include:
• Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information
• Assist with the CM for information system security software, hardware, and firmware
• Assist with preparation and maintenance of documentation
• Maintain records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades
• Evaluate security solutions to ensure they meet security requirements for processing classified information
• Propose, coordinate, implement, and enforce information systems security policies, standards, and methodologies
• Maintain operational security posture for an information system or program
• Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system, program, or enclave
• Develop and maintain documentation for C&A in accordance with ODNI and DoD policies
• Develop and update the system security plan and other IA documentation
• Provide CM for security-relevant information system software, hardware, and firmware
• Assist with the management of security aspects of the information system and perform day-today security operations of the system
• Plan and coordinate the IT security programs and policies
• Administer the user identification and authentication mechanism of the Information System (IS)
- Typically requires BS degree and 12+ years of prior relevant experience or Masters with 10 - 13 years of prior relevant experience. May possess a Doctorate in technical domain
- Current 8570 certification for IAM Level 1 or higher certification
- Knowledge of current security tools, hardware/software security implementation; communication protocols; and encryption techniques/tools.
- Understanding of the Risk Management Framework (RMF), NIST, and ICD standards
- Experience developing technical documentation for SSPs and successfully leading systems through achieving approvals for testing and operation (e.g. Interim Authority to Test (IATT) and Authority to Operate (ATO)). Experience with Computer/system security engineering
- Microsoft Windows and UNIX experience
- Must be able to work in a constantly changing regulatory environment with short, mid, and long term timelines for remediating any non-compliance
- Must be able to work well within a team environment and able to adapt quickly to change
- Good writing and verbal presentation skills
- Active TS/SCI with Polygraph Clearance

- Experience with virtual machines
- Information Assurance, Cyber Security, and Certification & Accreditation experience
- Security hardening scripting/automation experience

External Referral Bonus:

Potential for Telework:

Clearance Level Required:
Top Secret/SCI with Polygraph

Yes, 10% of the time

Scheduled Weekly Hours:


Requisition Category:

Job Family:
Info Security


Defense & Intel
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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