Senior Information Systems Security Officer; ISSO

Senior Information Systems Security Officer (ISSO)

Full time | Jovian Concepts, Inc. | United States

Posted On 10/21/2025

23-394

Listing TTO/DO

820

Technology

Number of Positions

1

Clearance Required

Top Secret/SCI with Polygraph

City

Annapolis Junction

State/Province

MD

20701

Jovian Concepts, Inc is looking to hire a ISSO for a great opportunity in the Annapolis Junction area. A current and active TS/SCI Clearance with a MD Polygraph is required. No CCA's will be accepted at this time.

• Enhancing security posture by supporting the program, organization, system, or enclave’s information assurance initiatives and enforcing security policies, standards, and methodologies.
• Overseeing security operations for information systems, managing daily security aspects, evaluating security solutions for classified processing, and conducting vulnerability and risk assessments for accreditation.
• Managing configuration and system integrity by administering configuration management (CM) for security software, hardware, and firmware, ensuring compliance with security controls, and assessing the impact of system changes.
• Developing and maintaining security documentation, including System Security Plans (SSPs), Risk Assessment Reports, Certification & Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
• Ensuring compliance with security authorization activities following the Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF).
• Providing technical expertise in security policies and operations, supporting the implementation and maintenance of security measures, and collaborating with stakeholders to strengthen the security posture.
• Driving continuous improvement by assessing existing security processes, identifying vulnerabilities, and implementing proactive solutions to enhance system resilience.
• Provides support for a program, organization, system, or enclave's information assurance program.
• Provides support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.
• Maintains operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed.
• Assists with the management of security aspects of the information system and performs day-to-day security operations of the system.
• Evaluates security solutions to ensure they meet security requirements for processing classified information.
• Performs vulnerability/risk assessment analysis to support certification and accreditation.
• Provides 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) and DoD Risk Management Framework (RMF).
• Assists security authorization activities in compliance with Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF).

• Provides support for a program, organization, system, or enclave's information assurance program.
• Provides support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.
• Maintains operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed.
• Assists with the management of security aspects of the information system and performs day-to-day security operations of the system.
• Evaluates security solutions to ensure they meet security requirements for processing classified information.
• Performs vulnerability/risk assessment analysis to support certification and accreditation.
• Provides configuration…