Leidos · 2 hours ago
Information Systems Security Manager (ISSM)
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. They are seeking an Information Systems Security Manager (ISSM) to oversee the cybersecurity posture of DoD information systems and ensure compliance with DoD security standards. The ISSM will develop security policies, conduct risk assessments, and manage incident response while collaborating with cross-functional teams.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
Responsibilities
Act as a Subject Matter Expert guiding and assisting teams through different phases of network connection processes from initial request to sustained network operations
Facilitate approval process for Authorization to Operate (ATO), Authority to Extend (ATE), Authorization to Connect (ATC), and Interconnection Security Agreement (ISA), working with the customer and stakeholders to receive SCA/AO endorsement
Develop, implement, and maintain security policies, procedures, and documentation to ensure compliance with DoD security standards and regulations (e.g., NIST, RMF, FISMA)
Oversee the security posture of DoD information systems, ensuring they meet cybersecurity requirements for confidentiality, integrity, and availability
Perform risk assessments, vulnerability assessments, and security audits to identify system vulnerabilities and provide remediation strategies
Manage and conduct continuous monitoring of security controls, ensuring the protection of classified and unclassified data
Coordinate with cross-functional teams (engineering, IT, operations) to implement and enforce security protocols and best practices
Ensure the accreditation process for DoD systems (e.g., RMF accreditation) is completed and maintained in compliance with all applicable requirements
Act as the primary point of contact for security-related issues, coordinating incident response and reporting to senior management and government customers
Provide security training and awareness programs for personnel involved in the operation of DoD systems
Maintain and track security documentation, including system security plans (SSPs), risk assessments, and Plan of Actions & Milestones (POA&Ms)
Stay current with emerging cybersecurity threats, vulnerabilities, and trends to ensure the program adapts to evolving security challenges
Qualification
Required
US Citizen with at least a Top Secret clearance and the ability to obtain a SCI prior to your start date. In addition the ability to maintain your clearance during your employment with Leidos
Bachelor's Degree with 8+ years of experience or Master's degree with 6+ years of experience. Additional experience may be considered in lieu of a degree
CISSP (Certified Information Systems Security Professional), CISM (Certified Information Security Manager), or similar cybersecurity certification
In-depth knowledge of DoD cybersecurity policies, frameworks, and compliance standards (e.g., NIST 800-53, RMF, FISMA, ICD 503)
Experience with system security engineering, risk management, and vulnerability assessments
Strong understanding of cloud security, network security, security controls, and common cybersecurity tools (e.g., firewalls, IDS/IPS, SIEM, endpoint protection)
Ability to work independently and collaborate effectively with cross-functional teams
Strong communication skills, including the ability to create and present detailed security reports to stakeholders
Preferred
Experience with Cloud Virtual Enclave (VE) approvals
Familiarity with cloud security practices and systems, particularly in a hybrid or government cloud environment
Experience in managing security for complex DoD programs or mission-critical systems
Experience with security tools for vulnerability scanning, penetration testing, and security auditing
Advanced security certifications (e.g., CISA, CEH, or CompTIA Security+)
Experience with configuration management and change management processes in a secure environment
Benefits
Health and Wellness programs
Income Protection
Paid Leave
Retirement
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Recent News
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2025-12-16
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